/* ==== styles.css ==== */
:root,
html[data-theme="light"] {
  color-scheme: light;
  --bg: #ebeff3;
  --bg-deep: #dde3ea;
  --ink: #0a1018;
  --ink-soft: #3a4556;
  --muted: #6b7585;
  --line: rgba(10, 16, 24, 0.12);
  --accent: #0d5c4b;
  --accent-soft: rgba(13, 92, 75, 0.12);
  --warn: #c45c26;
  --paper: #f6f8fa;
  --top-bg: rgba(235, 239, 243, 0.88);
  --drawer-bg: #f4f6f8;
  --card: rgba(255, 255, 255, 0.55);
  --card-solid: #ffffff;
  --glow-a: rgba(13, 92, 75, 0.09);
  --glow-b: rgba(196, 92, 38, 0.07);
  --shadow: rgba(10, 16, 24, 0.08);
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  --sans: "IBM Plex Sans", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --display: "Fraunces", "Syne", "PingFang SC", "Microsoft YaHei", Georgia, serif;
}

html[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0c1016;
  --bg-deep: #070a0e;
  --ink: #e8eef4;
  --ink-soft: #b0bac6;
  --muted: #8a93a3;
  --line: rgba(232, 238, 244, 0.12);
  --accent: #5ec9a8;
  --accent-soft: rgba(94, 201, 168, 0.14);
  --warn: #e0894f;
  --paper: #121820;
  --top-bg: rgba(12, 16, 22, 0.9);
  --drawer-bg: #0e141c;
  --card: rgba(18, 24, 32, 0.72);
  --card-solid: #151c26;
  --glow-a: rgba(94, 201, 168, 0.12);
  --glow-b: rgba(224, 137, 79, 0.08);
  --shadow: rgba(0, 0, 0, 0.35);
}

*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(1100px 520px at 8% -8%, var(--glow-a), transparent 55%),
    radial-gradient(900px 480px at 100% 0%, var(--glow-b), transparent 50%),
    linear-gradient(180deg, var(--bg), var(--bg-deep));
  font-family: var(--sans);
  font-size: 1.05rem;
  line-height: 1.55;
  cursor: none;
  transition: background 0.35s ease, color 0.25s ease;
}

body.touch { cursor: auto; }
body.touch .cursor,
body.touch .cursor-dot { display: none !important; }

.progress {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  width: 0%;
  background: linear-gradient(90deg, var(--accent), var(--warn));
  z-index: 100;
  transform-origin: left;
}

.cursor,
.cursor-dot {
  position: fixed;
  top: 0; left: 0;
  pointer-events: none;
  z-index: 99;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  mix-blend-mode: multiply;
}
.cursor {
  width: 34px; height: 34px;
  border: 1px solid rgba(10, 16, 24, 0.45);
  transition: width 0.2s, height 0.2s, background 0.2s, border-color 0.2s;
}
.cursor.on-link {
  width: 52px; height: 52px;
  background: rgba(13, 92, 75, 0.12);
  border-color: var(--accent);
}
.cursor-dot {
  width: 5px; height: 5px;
  background: var(--ink);
}

.grain {
  pointer-events: none;
  position: fixed;
  inset: 0;
  opacity: 0.03;
  z-index: 50;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

a { color: var(--accent); text-underline-offset: 3px; }

.top {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 1.25rem;
  backdrop-filter: blur(12px);
  background: var(--top-bg);
  border-bottom: 1px solid var(--line);
}

.mark {
  font-family: var(--display);
  font-weight: 800;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: 0.04em;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  justify-content: center;
}
nav a {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 0.84rem;
  font-weight: 500;
}
nav a:hover { color: var(--ink); }

.cmd-hint {
  font-family: var(--mono);
  font-size: 0.75rem;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.5);
  padding: 0.25rem 0.5rem;
  border-radius: 3px;
  cursor: none;
}

main {
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
  padding-bottom: 4rem;
}

.hero { padding: 3.5rem 0 1.5rem; }

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--mono);
  font-size: 0.74rem;
  color: var(--muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.pulse {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 0 rgba(13, 92, 75, 0.5);
  animation: pulse 1.8s infinite;
}
@keyframes pulse {
  70% { box-shadow: 0 0 0 10px transparent; }
  100% { box-shadow: 0 0 0 0 transparent; }
}
.sep { opacity: 0.5; }

.brand {
  margin: 0.85rem 0 0;
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(3rem, 9vw, 6.4rem);
  line-height: 0.94;
  letter-spacing: -0.035em;
  animation: brandIn 0.7s cubic-bezier(0.22, 1, 0.36, 1) both;
}
@keyframes brandIn {
  from { opacity: 0; transform: translateY(12px); filter: blur(4px); }
  to { opacity: 1; transform: none; filter: none; }
}

.lede-sub {
  margin: 0.75rem 0 0;
  max-width: 42rem;
  font-size: 0.98rem;
  color: var(--muted);
}
.chip {
  display: inline-flex;
  align-items: center;
  padding: 0.15rem 0.45rem;
  border: 1px solid rgba(13, 92, 75, 0.35);
  background: rgba(13, 92, 75, 0.1);
  color: var(--accent);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.chip-alt {
  border-color: rgba(44, 95, 124, 0.4);
  background: rgba(44, 95, 124, 0.1);
  color: #2c5f7c;
}

nav a.active {
  color: var(--ink);
  box-shadow: inset 0 -2px 0 var(--accent);
}

.beats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
  margin: 1.75rem 0 1.5rem;
}
.beats article {
  padding: 0.95rem 1rem;
  background: rgba(255,255,255,0.5);
  border: 1px solid var(--line);
  transition: transform 0.2s, border-color 0.2s;
}
.beats article:hover {
  transform: translateY(-2px);
  border-color: rgba(13,92,75,0.35);
}
.beats span {
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--muted);
}
.beats h3 {
  margin: 0.35rem 0 0.35rem;
  font-family: var(--display);
  font-size: 1rem;
}
.beats p {
  margin: 0;
  font-size: 0.88rem;
  color: var(--ink-soft);
}

.venue-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 1.75rem;
}
.venue {
  background: rgba(255,255,255,0.55);
  border: 1px solid var(--line);
  padding: 1.2rem 1.25rem;
}
.venue.jf { border-top: 3px solid var(--accent); }
.venue.efa { border-top: 3px solid #2c5f7c; }
.venue header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.35rem;
}
.venue h3 {
  margin: 0;
  font-family: var(--display);
  font-size: 1.25rem;
}
.badge {
  font-family: var(--mono);
  font-size: 0.68rem;
  padding: 0.2rem 0.45rem;
  border-radius: 2px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.badge.live {
  background: rgba(13,92,75,0.15);
  color: var(--accent);
}
.badge.pending {
  background: rgba(44,95,124,0.12);
  color: #2c5f7c;
}
.venue-meta {
  margin: 0 0 0.75rem;
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--muted);
}
.venue ul {
  margin: 0;
  padding-left: 1.05rem;
  color: var(--ink-soft);
  font-size: 0.92rem;
}
.venue-note {
  margin: 1rem 0 0;
  font-size: 0.9rem;
  color: var(--muted);
}

.cred-bars {
  margin-top: 1.5rem;
  display: grid;
  gap: 0.65rem;
}
.cred-row {
  display: grid;
  grid-template-columns: 1.4fr 1fr auto;
  gap: 0.75rem;
  align-items: center;
  font-size: 0.88rem;
}
.cred-row .bar {
  height: 8px;
  background: rgba(10,16,24,0.08);
  border-radius: 99px;
  overflow: hidden;
}
.cred-row .bar i {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--accent), #2c5f7c);
  border-radius: 99px;
  transition: width 1.1s cubic-bezier(0.22, 1, 0.36, 1);
}
.cred-row.in .bar i { width: var(--p); }
.cred-row b { font-family: var(--mono); font-size: 0.8rem; }

.edge-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 1rem;
  margin-top: 1.75rem;
}
.edge-grid article {
  padding: 1.15rem 1.2rem;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.5);
}
.edge-you {
  background: rgba(13,92,75,0.08) !important;
  border-color: rgba(13,92,75,0.3) !important;
}
.edge-grid h3 {
  margin: 0 0 0.65rem;
  font-family: var(--display);
}
.edge-grid ul {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

@media (max-width: 960px) {
  .beats,
  .venue-grid,
  .edge-grid {
    grid-template-columns: 1fr;
  }
  .cred-row {
    grid-template-columns: 1fr;
    gap: 0.25rem;
  }
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.72rem 1.15rem;
  border-radius: 2px;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.2s ease, background 0.2s;
}
.btn.primary { background: var(--ink); color: #f4f6f8; }
.btn.ghost {
  border: 1px solid var(--line);
  color: var(--ink);
  background: rgba(255,255,255,0.45);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 0.75rem;
  margin-top: 2.25rem;
  padding: 1rem 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.hero-stats b {
  display: block;
  font-family: var(--display);
  font-size: clamp(1.35rem, 2.4vw, 1.9rem);
  letter-spacing: -0.03em;
}
.hero-stats span {
  display: block;
  margin-top: 0.15rem;
  font-size: 0.72rem;
  color: var(--muted);
}

.hero-acts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.9rem;
  margin-top: 1.6rem;
}
.act-card {
  position: relative;
  padding: 1rem 1.05rem 1.05rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: linear-gradient(180deg, rgba(246,248,250,0.7), rgba(255,255,255,0.4));
  overflow: hidden;
}
.act-card .act-no {
  font-family: var(--display);
  font-size: 1.5rem;
  line-height: 1;
  color: var(--accent, #2e7d32);
  letter-spacing: -0.03em;
}
.act-card h3 {
  margin: 0.3rem 0 0.4rem;
  font-size: 1.02rem;
  letter-spacing: -0.01em;
}
.act-card p {
  margin: 0;
  font-size: 0.82rem;
  line-height: 1.45;
  color: var(--muted);
}
.act-card .act-tag {
  display: inline-block;
  margin-top: 0.6rem;
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--accent, #2e7d32);
  opacity: 0.85;
}
@media (max-width: 760px) {
  .hero-acts { grid-template-columns: 1fr; }
}

.hero-stage { margin-top: 2.2rem; position: relative; }
#regime-canvas {
  width: 100%;
  height: auto;
  display: block;
  background: linear-gradient(180deg, rgba(246,248,250,0.96), rgba(221,227,234,0.92));
  border: 1px solid var(--line);
}
.stage-ui {
  position: absolute;
  top: 14px; left: 0; right: 0;
  display: flex;
  justify-content: space-between;
  padding: 0 22px;
  pointer-events: none;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  color: var(--muted);
}
.stage-caption {
  margin: 0.5rem 0 0;
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--muted);
}

.marquee {
  overflow: hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  margin: 2rem calc(50% - 50vw);
  width: 100vw;
  background: rgba(255,255,255,0.35);
}
.marquee-track {
  display: flex;
  gap: 2.5rem;
  width: max-content;
  padding: 0.85rem 0;
  animation: marquee 42s linear infinite;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--ink-soft);
}
.marquee-track span::after {
  content: "✦";
  margin-left: 2.5rem;
  color: var(--accent);
  opacity: 0.5;
}
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

.section {
  padding: 3.75rem 0 1.25rem;
  border-top: 1px solid var(--line);
}
.section-kicker {
  margin: 0 0 0.35rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}
.section h2 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(1.75rem, 4vw, 2.7rem);
  letter-spacing: -0.025em;
  line-height: 1.08;
}
.section-lede {
  margin: 0.85rem 0 0;
  max-width: 44rem;
  color: var(--ink-soft);
}
.mono { font-family: var(--mono); font-size: 0.92em; }

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.in {
  opacity: 1;
  transform: none;
}

.claim-tiers {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}
.tier {
  background: rgba(255,255,255,0.55);
  border: 1px solid var(--line);
  padding: 1.1rem 1.15rem;
  transition: transform 0.25s ease, border-color 0.25s;
}
.tier:hover { transform: translateY(-3px); border-color: rgba(13,92,75,0.35); }
.tier header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 0.55rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--muted);
}
.tier header strong { color: var(--ink); font-size: 0.9rem; font-family: var(--display); }
.tier p { margin: 0 0 0.7rem; font-size: 0.95rem; color: var(--ink-soft); }
.tier ul { margin: 0; padding-left: 1.05rem; font-size: 0.88rem; color: var(--ink-soft); }
.tier.load { border-top: 3px solid var(--accent); }
.tier.id { border-top: 3px solid #2c5f7c; }
.tier.sug { border-top: 3px solid var(--muted); }

.math-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.75rem;
}
.math-card {
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 1.1rem;
}
.math-card h3 {
  margin: 0 0 0.75rem;
  font-family: var(--display);
  font-size: 1rem;
}
.math-card .tex {
  min-height: 2.4rem;
  margin-bottom: 0.75rem;
  overflow-x: auto;
}
.math-card p { margin: 0; font-size: 0.9rem; color: var(--ink-soft); }

/* research-arc / results-arc connective lines */
.research-arc, .results-arc {
  margin: 0.6rem 0 0;
  padding: 0.7rem 0.9rem;
  border-left: 2px solid var(--accent, #0d5c4b);
  background: rgba(13,92,75,0.05);
  font-size: 0.9rem;
  color: var(--ink-soft);
  line-height: 1.5;
}

/* LIMIT · resolution wall */
.limit-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.75rem;
}
@media (max-width: 980px) {
  .limit-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
.limit-card {
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 1.1rem;
}
.limit-card .limit-tag {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.5rem;
}
.limit-card h3 { margin: 0 0 0.7rem; font-family: var(--display); font-size: 1rem; }
.limit-card .tex { min-height: 2.2rem; margin-bottom: 0.7rem; overflow-x: auto; }
.limit-card p { margin: 0; font-size: 0.9rem; color: var(--ink-soft); line-height: 1.5; }
.limit-lab {
  margin-top: 2rem;
  padding: 1.25rem;
  background: rgba(255,255,255,0.5);
  border: 1px solid var(--line);
}
.limit-lab-head h3 { margin: 0 0 0.35rem; font-family: var(--display); }
.limit-lab-head p { margin: 0 0 1rem; color: var(--ink-soft); font-size: 0.95rem; }
.limit-controls label {
  display: block;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--muted);
  margin-bottom: 0.6rem;
}
.limit-controls input[type="range"] { width: 100%; margin-top: 0.3rem; }
.limit-readout {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  font-family: var(--mono);
  font-size: 0.8rem;
  margin: 0.4rem 0 0.9rem;
}
.limit-readout div { display: flex; flex-direction: column; }
.limit-readout span { color: var(--muted); font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.04em; }
.limit-readout b { font-size: 1.05rem; }
#limit-canvas { width: 100%; height: auto; display: block; border: 1px solid var(--line); border-radius: 4px; }

.pi-lab {
  margin-top: 2rem;
  padding: 1.25rem;
  background: rgba(255,255,255,0.5);
  border: 1px solid var(--line);
}
.pi-lab-head h3 {
  margin: 0 0 0.35rem;
  font-family: var(--display);
}
.pi-lab-head p { margin: 0 0 1rem; color: var(--ink-soft); font-size: 0.95rem; }
.pi-controls label {
  display: block;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--muted);
}
#pi-range { width: 100%; margin: 0.55rem 0 1rem; accent-color: var(--accent); }
.pi-readout {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.75rem;
  margin-bottom: 1rem;
}
.pi-readout div {
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 0.65rem 0.75rem;
}
.pi-readout span {
  display: block;
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--muted);
}
.pi-readout b {
  font-family: var(--display);
  font-size: 1.35rem;
}
#pi-canvas { width: 100%; height: auto; display: block; background: #0a1018; }

.table-wrap { overflow-x: auto; margin-top: 1.75rem; }
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
  background: rgba(255,255,255,0.55);
}
.data-table th,
.data-table td {
  padding: 0.7rem 0.75rem;
  border-bottom: 1px solid var(--line);
  text-align: right;
  white-space: nowrap;
}
.data-table th:first-child,
.data-table td:first-child { text-align: left; }
.data-table thead th {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 500;
}
.data-table tr.hl { background: var(--accent-soft); }
.data-table tr:hover { background: rgba(13, 92, 75, 0.06); }

.result-notes {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}
.result-notes h4 {
  margin: 0 0 0.35rem;
  font-family: var(--display);
  font-size: 1rem;
}
.result-notes p { margin: 0; font-size: 0.9rem; color: var(--ink-soft); }

.funnel { margin-top: 1.75rem; display: grid; gap: 0.65rem; }
.funnel-step {
  width: var(--w);
  margin-inline: auto;
  padding: 0.95rem 1.1rem;
  background: linear-gradient(90deg, rgba(13,92,75,0.16), rgba(255,255,255,0.55));
  border: 1px solid rgba(13,92,75,0.25);
  display: grid;
  grid-template-columns: 5.5rem 1fr auto;
  gap: 0.75rem;
  align-items: center;
  transition: transform 0.25s;
}
.funnel-step:hover { transform: scale(1.01); }
.funnel-step b {
  font-family: var(--display);
  font-size: 1.35rem;
}
.funnel-step span { font-weight: 500; }
.funnel-step i {
  font-style: normal;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--muted);
}
.funnel-anchor {
  margin-top: 0.5rem;
  padding: 1rem 1.15rem;
  border: 1px dashed rgba(196, 92, 38, 0.5);
  background: rgba(196, 92, 38, 0.08);
  display: flex;
  gap: 1rem;
  align-items: baseline;
}
.funnel-anchor b {
  font-family: var(--display);
  font-size: 1.8rem;
  color: var(--warn);
}

.expert-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1.4fr;
  gap: 1rem;
  margin-top: 1.5rem;
}
.expert {
  background: rgba(255,255,255,0.55);
  border: 1px solid var(--line);
  padding: 1rem;
}
.expert h4 { margin: 0; font-family: var(--mono); font-size: 0.78rem; color: var(--muted); }
.expert .big {
  margin: 0.35rem 0;
  font-family: var(--display);
  font-size: 2.2rem;
  letter-spacing: -0.03em;
}
.expert span, .expert p { font-size: 0.9rem; color: var(--ink-soft); margin: 0; }

.pipeline {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 0.45rem;
  margin: 1.6rem 0 1.25rem;
}
.pipe-step {
  padding: 0.7rem 0.5rem;
  background: rgba(255,255,255,0.55);
  border: 1px solid var(--line);
  font-size: 0.8rem;
  font-weight: 500;
  min-height: 4.2rem;
}
.pipe-step span {
  display: block;
  font-family: var(--mono);
  font-size: 0.66rem;
  color: var(--muted);
  margin-bottom: 0.3rem;
}
.pipe-step.accent {
  background: var(--accent-soft);
  border-color: rgba(13,92,75,0.35);
}

.factor-panel {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 1rem;
  min-height: 300px;
}
.factor-list {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  max-height: 360px;
  overflow: auto;
}
.factor-btn {
  text-align: left;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.55);
  padding: 0.65rem 0.75rem;
  cursor: none;
  font-family: var(--mono);
  font-size: 0.76rem;
  color: var(--ink);
}
.factor-btn:hover,
.factor-btn.active {
  background: var(--accent-soft);
  border-color: rgba(13,92,75,0.4);
}
.factor-detail {
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 1rem 1.1rem;
}
.factor-detail h3 {
  margin: 0 0 0.45rem;
  font-family: var(--mono);
  font-size: 0.92rem;
}
.factor-detail .rationale {
  margin: 0 0 0.85rem;
  color: var(--ink-soft);
  font-size: 0.94rem;
}
.factor-detail pre {
  margin: 0;
  padding: 0.75rem;
  overflow: auto;
  background: #0a1018;
  color: #d7e0ea;
  font-family: var(--mono);
  font-size: 0.7rem;
  line-height: 1.45;
}
.hint { margin: 0; color: var(--muted); font-family: var(--mono); font-size: 0.85rem; }

.letter-layout {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 1rem;
  margin-top: 1.75rem;
}
.letter-metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.65rem;
  grid-column: 1 / -1;
}
.letter-metrics div {
  background: rgba(255,255,255,0.55);
  border: 1px solid var(--line);
  padding: 0.9rem 1rem;
}
.letter-metrics b {
  display: block;
  font-family: var(--display);
  font-size: 1.7rem;
}
.letter-metrics span { font-size: 0.8rem; color: var(--muted); }

.scale-metrics {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem;
}
@media (max-width: 720px) {
  .scale-metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
.letter-quote {
  margin: 0;
  padding: 1.15rem;
  background: var(--paper);
  border-left: 3px solid var(--accent);
  font-size: 1.02rem;
  color: var(--ink-soft);
}
.letter-quote footer {
  margin-top: 0.85rem;
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--muted);
}
.letter-fig {
  margin: 0;
  border: 1px solid var(--line);
  background: #fff;
  overflow: hidden;
}
.letter-fig img {
  display: block;
  width: 100%;
  height: auto;
  filter: contrast(1.02);
}
.letter-fig figcaption {
  padding: 0.55rem 0.75rem;
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--muted);
  background: var(--paper);
}
.letter-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: 1rem;
}
.letter-tags span {
  font-family: var(--mono);
  font-size: 0.72rem;
  padding: 0.35rem 0.55rem;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.5);
}

.letter-detail {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
  margin: 1.75rem 0 0.5rem;
}
.letter-detail article {
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}
.letter-detail h3 {
  font-family: var(--display);
  font-size: 1rem;
  margin: 0 0 0.7rem;
}
.letter-detail ul {
  margin: 0;
  padding-left: 1.15rem;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.55;
}
.letter-detail li { margin: 0.4rem 0; }
@media (max-width: 900px) {
  .letter-detail { grid-template-columns: 1fr; }
}

.terminal-block {
  margin-top: 1.5rem;
  border: 1px solid var(--line);
  overflow: hidden;
  background: #0a1018;
}
.terminal-bar {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.55rem 0.75rem;
  background: #151b24;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.terminal-bar span {
  width: 9px; height: 9px;
  border-radius: 50%;
  background: #3a4556;
}
.terminal-bar span:nth-child(1) { background: #c45c26; }
.terminal-bar span:nth-child(2) { background: #c4a026; }
.terminal-bar span:nth-child(3) { background: #0d5c4b; }
.terminal-bar i {
  margin-left: 0.5rem;
  font-style: normal;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: #8a93a3;
}
.terminal {
  margin: 0;
  padding: 1.1rem 1.2rem;
  color: #d7e0ea;
  font-family: var(--mono);
  font-size: 0.84rem;
  line-height: 1.55;
  min-height: 9rem;
}
.terminal .ok { color: #6dcea8; }
.terminal .cmd { color: #9ecbff; }

.proof-list {
  margin: 1.1rem 0 0;
  padding-left: 1.1rem;
  color: var(--ink-soft);
}

.about p { max-width: 42rem; color: var(--ink-soft); }
.note { font-size: 0.9rem; color: var(--muted) !important; }

.link-rows { list-style: none; margin: 1.4rem 0 0; padding: 0; }
.link-rows li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: baseline;
  padding: 0.95rem 0;
  border-bottom: 1px solid var(--line);
}
.link-rows span:first-child { font-weight: 600; }
.muted { color: var(--muted); font-size: 0.92rem; }

footer {
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto 2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.85rem;
}
kbd {
  font-family: var(--mono);
  font-size: 0.75rem;
  border: 1px solid var(--line);
  padding: 0.05rem 0.35rem;
  border-radius: 3px;
  background: rgba(255,255,255,0.5);
}

.palette {
  position: fixed;
  inset: 18vh auto auto 50%;
  transform: translateX(-50%);
  width: min(420px, calc(100% - 2rem));
  z-index: 120;
  background: rgba(246, 248, 250, 0.96);
  border: 1px solid var(--line);
  box-shadow: 0 20px 60px rgba(10,16,24,0.18);
  backdrop-filter: blur(10px);
}
.palette[hidden] { display: none; }
.palette input {
  width: 100%;
  border: 0;
  border-bottom: 1px solid var(--line);
  padding: 0.9rem 1rem;
  font-family: var(--mono);
  font-size: 0.9rem;
  background: transparent;
  outline: none;
}
.palette ul { list-style: none; margin: 0; padding: 0.35rem; }
.palette li button {
  width: 100%;
  text-align: left;
  border: 0;
  background: transparent;
  padding: 0.65rem 0.75rem;
  font-family: var(--sans);
  cursor: none;
}
.palette li button:hover,
.palette li button.active { background: var(--accent-soft); }

@media (max-width: 960px) {
  body { cursor: auto; }
  .cursor, .cursor-dot { display: none; }
  .hero-stats,
  .claim-tiers,
  .math-grid,
  .limit-grid,
  .result-notes,
  .expert-row,
  .pipeline,
  .factor-panel,
  .letter-layout,
  .pi-readout {
    grid-template-columns: 1fr 1fr;
  }
  .pipeline { grid-template-columns: repeat(3, 1fr); }
  nav { display: none; }
}

@media (max-width: 640px) {
  .hero-stats,
  .claim-tiers,
  .math-grid,
  .limit-grid,
  .result-notes,
  .expert-row,
  .factor-panel,
  .letter-layout,
  .pi-readout,
  .letter-metrics,
  .funnel-step {
    grid-template-columns: 1fr;
  }
  .funnel-step { width: 100% !important; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }
  .reveal { opacity: 1; transform: none; }
}

/* --- v3 additions --- */
.lede-sub {
  margin: 0.75rem 0 0;
  max-width: 42rem;
  font-size: 0.98rem;
  color: var(--muted);
}
.lede em { font-style: normal; color: var(--accent); font-weight: 600; }
.chip {
  display: inline-flex;
  align-items: center;
  padding: 0.15rem 0.45rem;
  border: 1px solid rgba(13, 92, 75, 0.35);
  background: rgba(13, 92, 75, 0.1);
  color: var(--accent);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.chip-alt {
  border-color: rgba(44, 95, 124, 0.4);
  background: rgba(44, 95, 124, 0.1);
  color: #2c5f7c;
}
nav a.active {
  color: var(--ink);
  box-shadow: inset 0 -2px 0 var(--accent);
}
.beats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
  margin: 1.75rem 0 1.5rem;
}
.beats article {
  padding: 0.95rem 1rem;
  background: rgba(255,255,255,0.5);
  border: 1px solid var(--line);
  transition: transform 0.2s, border-color 0.2s;
}
.beats article:hover {
  transform: translateY(-2px);
  border-color: rgba(13,92,75,0.35);
}
.beats span {
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--muted);
}
.beats h3 {
  margin: 0.35rem 0;
  font-family: var(--display);
  font-size: 1rem;
}
.beats p {
  margin: 0;
  font-size: 0.88rem;
  color: var(--ink-soft);
}
.venue-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 1.75rem;
}
@media (max-width: 960px) {
  .venue-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .venue-grid { grid-template-columns: 1fr; }
}
.venue {
  background: rgba(255,255,255,0.55);
  border: 1px solid var(--line);
  padding: 1.2rem 1.25rem;
}
.venue.jf { border-top: 3px solid var(--accent); }
.venue.efa { border-top: 3px solid #2c5f7c; }
.venue.wfa { border-top: 3px solid #8b4513; }
.venue.sfs { border-top: 3px solid #5a6b7c; }
.venue.eufa { border-top: 3px solid #3d5a80; }
.venue.ssrn { border-top: 3px solid #1a5276; }
.venue header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.35rem;
}
.venue h3 {
  margin: 0;
  font-family: var(--display);
  font-size: 1.15rem;
}
.venue-region {
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--muted);
}
.badge {
  font-family: var(--mono);
  font-size: 0.68rem;
  padding: 0.2rem 0.45rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  white-space: nowrap;
}
.badge.live { background: rgba(13,92,75,0.15); color: var(--accent); }
.badge.pending { background: rgba(44,95,124,0.12); color: #2c5f7c; }
.badge.prep { background: rgba(90,107,124,0.12); color: #5a6b7c; }
.venue-meta {
  margin: 0 0 0.75rem;
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--muted);
}
.venue ul {
  margin: 0;
  padding-left: 1.05rem;
  color: var(--ink-soft);
  font-size: 0.92rem;
}
.venue-cta {
  display: inline-block;
  margin-top: 0.75rem;
  margin-right: 0.75rem;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}
.venue-cta:hover { opacity: 0.85; }
.venue-evidence {
  margin-top: 1.75rem;
}
.venue-evidence-head {
  margin: 0 0 0.75rem;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--muted);
  letter-spacing: 0.02em;
}
.venue-shots {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
@media (max-width: 720px) {
  .venue-shots { grid-template-columns: 1fr; }
}
.venue-shots .term-fig {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  padding: 0;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.4);
  cursor: zoom-in;
  text-align: left;
  overflow: hidden;
}
.venue-shots .term-fig img {
  width: 100%;
  height: auto;
  display: block;
  max-height: 220px;
  object-fit: cover;
  object-position: top left;
}
.venue-shots .term-fig span {
  padding: 0.55rem 0.75rem 0.7rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--ink-soft);
}
.venue-note {
  margin: 1rem 0 0;
  font-size: 0.9rem;
  color: var(--muted);
}
.cred-bars {
  margin-top: 1.5rem;
  display: grid;
  gap: 0.65rem;
}
.cred-row {
  display: grid;
  grid-template-columns: 1.4fr 1fr auto;
  gap: 0.75rem;
  align-items: center;
  font-size: 0.88rem;
}
.cred-row .bar {
  height: 8px;
  background: rgba(10,16,24,0.08);
  border-radius: 99px;
  overflow: hidden;
}
.cred-row .bar i {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--accent), #2c5f7c);
  border-radius: 99px;
  transition: width 1.1s cubic-bezier(0.22, 1, 0.36, 1);
}
.cred-row.in .bar i { width: var(--p); }
.cred-row b { font-family: var(--mono); font-size: 0.8rem; }
.edge-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 1rem;
  margin-top: 1.75rem;
}
.edge-grid article {
  padding: 1.15rem 1.2rem;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.5);
}
.edge-you {
  background: rgba(13,92,75,0.08) !important;
  border-color: rgba(13,92,75,0.3) !important;
}
.edge-grid h3 {
  margin: 0 0 0.65rem;
  font-family: var(--display);
}
.edge-grid ul {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--ink-soft);
  font-size: 0.95rem;
}
.craft-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem;
  margin-top: 1.75rem;
}
.craft-grid article {
  padding: 1.05rem 1.15rem;
  background: rgba(255,255,255,0.55);
  border: 1px solid var(--line);
}
.craft-grid h3 {
  margin: 0 0 0.4rem;
  font-family: var(--display);
  font-size: 1.05rem;
}
.craft-grid p {
  margin: 0;
  font-size: 0.92rem;
  color: var(--ink-soft);
}
@media (max-width: 640px) {
  .craft-grid { grid-template-columns: 1fr; }
}

/* ===== Interactive paper / labs (2026 deepen) ===== */
.paper-lab {
  display: grid;
  grid-template-columns: minmax(200px, 0.9fr) 1.6fr;
  gap: 1.25rem;
  margin-top: 1.75rem;
  align-items: stretch;
}
.paper-rail { display: flex; flex-direction: column; gap: 0.45rem; }
.paper-tab {
  text-align: left;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.45);
  padding: 0.85rem 0.95rem;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s, transform 0.2s;
  font: inherit;
  color: inherit;
}
.paper-tab:hover { border-color: rgba(13,92,75,0.45); }
.paper-tab.active {
  background: rgba(13,92,75,0.1);
  border-color: rgba(13,92,75,0.55);
}
.paper-tab .tier {
  display: block;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.25rem;
}
.paper-tab b { display: block; font-family: var(--display); font-size: 1.02rem; }
.paper-tab em { display: block; font-style: normal; font-size: 0.82rem; color: var(--muted); margin-top: 0.2rem; }
.paper-stage {
  border: 1px solid var(--line);
  background: linear-gradient(145deg, rgba(13,92,75,0.07), transparent 42%), rgba(255,255,255,0.55);
  padding: 1.35rem 1.45rem 1.5rem;
  min-height: 320px;
}
.paper-badge {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  padding: 0.28rem 0.55rem;
  border: 1px solid rgba(13,92,75,0.35);
  color: var(--accent);
  margin-bottom: 0.85rem;
}
.paper-stage h3 {
  margin: 0 0 0.55rem;
  font-family: var(--display);
  font-size: clamp(1.25rem, 2vw, 1.65rem);
}
.paper-lead { color: var(--ink-soft); margin: 0 0 1rem; max-width: 52ch; }
.paper-tex { margin: 0.75rem 0 1.1rem; overflow-x: auto; }
.paper-stage ul { margin: 0; padding-left: 1.15rem; color: var(--ink-soft); font-size: 0.95rem; line-height: 1.55; }
.paper-stage li { margin: 0.4rem 0; }
.paper-jump {
  margin-top: 1.15rem;
  border: 1px solid var(--accent);
  background: transparent;
  color: var(--accent);
  font: inherit;
  padding: 0.55rem 0.9rem;
  cursor: pointer;
}
.paper-jump:hover { background: rgba(13,92,75,0.1); }
.paper-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.75rem;
  margin-top: 1.25rem;
}
.paper-strip div { border-top: 1px solid var(--line); padding-top: 0.7rem; }
.paper-strip span {
  display: block;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--muted);
}
.paper-strip b { display: block; margin-top: 0.25rem; font-size: 0.92rem; }
.pi-lab.deluxe { margin-top: 2rem; }
.pi-controls.deluxe {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem 1.1rem;
  margin: 1rem 0 1.1rem;
}
.pi-controls.deluxe .pi-readout {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 0.55rem;
}
.lab-split {
  display: grid;
  grid-template-columns: 1.55fr 0.95fr;
  gap: 1rem;
  align-items: stretch;
}
#pi-canvas { width: 100%; height: auto; display: block; border: 1px solid rgba(255,255,255,0.06); }
.gate-vs-tilt { display: grid; grid-template-rows: 1fr 1fr; gap: 0.75rem; }
.gvt-col {
  border: 1px solid var(--line);
  background: rgba(10,16,24,0.92);
  color: #d7e0ea;
  padding: 1rem;
}
.gvt-col.accent { border-color: rgba(109,206,168,0.35); }
.gvt-col h4 { margin: 0 0 0.45rem; font-family: var(--display); font-size: 1rem; color: #fff; }
.gvt-status { margin: 0; font-family: var(--mono); font-size: 1.35rem; letter-spacing: 0.04em; }
.gvt-meter { height: 6px; background: rgba(255,255,255,0.08); margin: 0.75rem 0; overflow: hidden; }
.gvt-meter i {
  display: block; height: 100%; width: 20%;
  background: linear-gradient(90deg, #0d5c4b, #6dcea8);
  transition: width 0.25s ease;
}
.gvt-note { margin: 0; font-size: 0.8rem; color: #8a93a3; line-height: 1.45; }
.results-lab {
  display: grid;
  grid-template-columns: 1.35fr 0.9fr;
  gap: 1.1rem;
  margin-top: 1.5rem;
  align-items: start;
}
.data-table.interactive tbody tr { cursor: pointer; transition: background 0.15s; }
.data-table.interactive tbody tr:hover,
.data-table.interactive tbody tr.active { background: rgba(13,92,75,0.1); }
.panel-inspect {
  border: 1px solid var(--line);
  background: #0a1018;
  color: #d7e0ea;
  padding: 1rem 1.05rem 1.15rem;
  position: sticky;
  top: 5.5rem;
}
.inspect-kicker { margin: 0 0 0.65rem; font-family: var(--display); font-size: 1.15rem; color: #fff; }
#panel-canvas { width: 100%; height: auto; display: block; }
.inspect-facts { list-style: none; margin: 0.85rem 0 0; padding: 0; }
.inspect-facts li {
  display: flex; justify-content: space-between; gap: 0.75rem;
  padding: 0.35rem 0; border-top: 1px solid rgba(255,255,255,0.08); font-size: 0.86rem;
}
.inspect-facts li.note { display: block; color: #8a93a3; border-top: none; padding-top: 0.65rem; }
.inspect-facts span { color: #8a93a3; }
.inspect-facts b { color: #d7e0ea; font-family: var(--mono); font-weight: 500; }
.inspect-note { margin: 0.85rem 0 0; font-size: 0.78rem; color: #8a93a3; }
.funnel.interactive .funnel-step,
.pipeline.interactive .pipe-step {
  cursor: pointer; border: 0; font: inherit; text-align: left; color: inherit;
  transition: transform 0.15s, box-shadow 0.15s, background 0.15s;
}
.funnel.interactive .funnel-step.active,
.pipeline.interactive .pipe-step.active {
  outline: 1px solid rgba(13,92,75,0.55);
  box-shadow: 0 0 0 3px rgba(13,92,75,0.12);
}
.funnel-detail, .pipe-detail {
  margin-top: 1rem; padding: 1rem 1.15rem;
  border: 1px solid var(--line); background: rgba(255,255,255,0.55);
}
.funnel-detail h4, .pipe-detail h4 { margin: 0 0 0.4rem; font-family: var(--display); }
.funnel-detail p, .pipe-detail p {
  margin: 0; color: var(--ink-soft); font-size: 0.95rem; line-height: 1.55; max-width: 68ch;
}
@media (max-width: 980px) {
  .paper-lab, .lab-split, .results-lab, .pi-controls.deluxe { grid-template-columns: 1fr; }
  .paper-strip, .pi-controls.deluxe .pi-readout { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .panel-inspect { position: static; }
}
@media (max-width: 640px) {
  .paper-strip, .pi-controls.deluxe .pi-readout { grid-template-columns: 1fr; }
}

/* Thesis + Academy fit */
.thesis-banner {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 1.1rem;
  margin: 1.5rem 0 1.75rem;
}
.thesis-core, .thesis-agenda {
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.55);
  padding: 1.15rem 1.25rem;
}
.thesis-core {
  background: linear-gradient(145deg, rgba(13,92,75,0.1), rgba(255,255,255,0.55) 55%);
}
.thesis-label {
  display: block;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.55rem;
}
.thesis-core p {
  margin: 0;
  font-size: 1.08rem;
  line-height: 1.55;
  max-width: 42ch;
}
.thesis-agenda ol {
  margin: 0;
  padding-left: 1.15rem;
  color: var(--ink-soft);
  font-size: 0.95rem;
  line-height: 1.55;
}
.thesis-agenda li { margin: 0.4rem 0; }

.fusion-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1.15fr;
  gap: 0.9rem;
  margin-top: 1.5rem;
}
.fusion-grid article {
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.55);
  padding: 1.1rem 1.2rem;
}
.fusion-grid h3 {
  margin: 0 0 0.65rem;
  font-family: var(--display);
}
.fusion-grid ul {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--ink-soft);
  font-size: 0.92rem;
  line-height: 1.5;
}
.fusion-join {
  background: linear-gradient(160deg, rgba(13,92,75,0.12), rgba(255,255,255,0.55)) !important;
  border-color: rgba(13,92,75,0.35) !important;
}
.fusion-join p { margin: 0 0 0.75rem; color: var(--ink-soft); line-height: 1.55; font-size: 0.95rem; }
.fusion-cta { margin: 0 !important; font-size: 0.9rem !important; color: var(--accent) !important; }

.academy-fit .academy-lede {
  max-width: 62ch;
  font-size: 1.05rem;
}
.agency-map {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 1.35rem 0 0.85rem;
}
.agency-tab {
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.5);
  font: inherit;
  padding: 0.55rem 0.85rem;
  cursor: pointer;
  color: inherit;
}
.agency-tab.active {
  border-color: rgba(13,92,75,0.55);
  background: rgba(13,92,75,0.12);
}
.agency-panel {
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.6);
  padding: 1.25rem 1.35rem;
  min-height: 140px;
}
.agency-panel h3 {
  margin: 0 0 0.5rem;
  font-family: var(--display);
}
.agency-panel p {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.6;
  max-width: 68ch;
}
.agency-foot {
  margin-top: 1.15rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}
.agency-foot p { margin: 0 0 0.65rem; color: var(--ink-soft); max-width: 70ch; }

@media (max-width: 980px) {
  .thesis-banner, .fusion-grid { grid-template-columns: 1fr; }
}

/* Tour + fusion focus + font polish */
:root { font-synthesis: none; }
h1, h2, h3, .brand, .paper-tab b, .tour-stage h3, .agency-panel h3 {
  font-family: var(--display);
  font-optical-sizing: auto;
}
.tour-shell {
  margin-top: 1.5rem;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.55);
  padding: 1rem 1.1rem 1.2rem;
}
.tour-steps {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 0.4rem;
  margin-bottom: 1rem;
}
.tour-step {
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.65);
  font: inherit;
  text-align: left;
  padding: 0.65rem 0.7rem;
  cursor: pointer;
  color: inherit;
}
.tour-step span {
  display: block;
  font-family: var(--mono);
  font-size: 0.65rem;
  color: var(--muted);
  letter-spacing: 0.04em;
}
.tour-step b { display: block; margin-top: 0.2rem; font-size: 0.92rem; }
.tour-step.active {
  border-color: rgba(13,92,75,0.55);
  background: rgba(13,92,75,0.1);
}
.tour-stage { min-height: 160px; padding: 0.35rem 0.25rem 0.85rem; }
.tour-metric {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  border: 1px solid rgba(13,92,75,0.35);
  color: var(--accent);
  padding: 0.25rem 0.5rem;
  margin-bottom: 0.65rem;
}
.tour-stage h3 { margin: 0 0 0.45rem; font-size: clamp(1.2rem, 2vw, 1.55rem); }
.tour-stage p { margin: 0; color: var(--ink-soft); max-width: 62ch; line-height: 1.55; }
.tour-jump, .tour-nav button {
  margin-top: 0.9rem;
  border: 1px solid var(--accent);
  background: transparent;
  color: var(--accent);
  font: inherit;
  padding: 0.5rem 0.85rem;
  cursor: pointer;
}
.tour-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  border-top: 1px solid var(--line);
  padding-top: 0.85rem;
}
.tour-nav button { margin-top: 0; }
#tour-index { font-family: var(--mono); font-size: 0.85rem; color: var(--muted); }

.fusion-lab { margin-top: 1.5rem; }
.fusion-lab-head h3 { margin: 0 0 0.35rem; font-family: var(--display); }
.fusion-lab-head p { margin: 0 0 0.85rem; color: var(--ink-soft); }
.fusion-toggles { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-bottom: 0.85rem; }
.fusion-tog {
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.55);
  font: inherit;
  padding: 0.45rem 0.75rem;
  cursor: pointer;
  color: inherit;
}
.fusion-tog.active {
  border-color: rgba(13,92,75,0.55);
  background: rgba(13,92,75,0.12);
}
.fusion-flow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  padding: 1rem;
  border: 1px solid var(--line);
  background: #0a1018;
}
.fusion-node {
  border: 1px solid rgba(255,255,255,0.12);
  color: #d7e0ea;
  padding: 0.55rem 0.7rem;
  font-size: 0.85rem;
  transition: opacity 0.2s, border-color 0.2s;
}
.fusion-node.on { border-color: rgba(109,206,168,0.55); color: #fff; }
.fusion-node.dim { opacity: 0.28; }
.fusion-arrow { color: #8a93a3; font-family: var(--mono); }

@media (max-width: 900px) {
  .tour-steps { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 560px) {
  .tour-steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* Header lang + field/stack */
.header-tools { display: flex; align-items: center; gap: 0.45rem; }
.lang-toggle {
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.7);
  font-family: var(--mono);
  font-size: 0.78rem;
  padding: 0.4rem 0.65rem;
  cursor: pointer;
  color: inherit;
}
.lang-toggle:hover { border-color: rgba(13,92,75,0.45); }

.field-meta {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.75rem;
  margin: 1.35rem 0 1.25rem;
}
.field-meta div { border-top: 1px solid var(--line); padding-top: 0.65rem; }
.field-meta span {
  display: block;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--muted);
}
.field-meta b { display: block; margin-top: 0.25rem; font-size: 0.95rem; }

.wiki-gallery { margin-top: 0.5rem; }
.wiki-hero {
  margin: 0;
  border: 1px solid var(--line);
  background: #0a1018;
  overflow: hidden;
}
.wiki-hero img {
  display: block;
  width: 100%;
  max-height: 420px;
  object-fit: cover;
  cursor: zoom-in;
}
.wiki-hero figcaption {
  padding: 0.65rem 0.85rem;
  color: #8a93a3;
  font-size: 0.82rem;
  font-family: var(--mono);
}
.wiki-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.55rem;
  margin-top: 0.55rem;
}
.wiki-thumb {
  border: 1px solid var(--line);
  padding: 0;
  background: #0a1018;
  cursor: zoom-in;
  overflow: hidden;
}
.wiki-thumb img {
  display: block;
  width: 100%;
  height: 110px;
  object-fit: cover;
  transition: transform 0.25s ease;
}
.wiki-thumb:hover img { transform: scale(1.04); }

.field-notes {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.9rem;
  margin-top: 1.35rem;
}
.field-notes article {
  border-top: 1px solid var(--line);
  padding-top: 0.85rem;
}
.field-notes h3 { margin: 0 0 0.4rem; font-family: var(--display); font-size: 1.02rem; }
.field-notes p { margin: 0; color: var(--ink-soft); font-size: 0.92rem; line-height: 1.55; }

.stack-lab {
  display: grid;
  grid-template-columns: 0.95fr 1.35fr;
  gap: 1rem;
  margin-top: 1.5rem;
}
.stack-rail {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  max-height: 420px;
  overflow: auto;
}
.stack-rail button {
  text-align: left;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.5);
  font-family: var(--mono);
  font-size: 0.82rem;
  padding: 0.55rem 0.7rem;
  cursor: pointer;
  color: inherit;
}
.stack-rail button.active {
  border-color: rgba(13,92,75,0.55);
  background: rgba(13,92,75,0.1);
}
.stack-stage {
  border: 1px solid var(--line);
  background: linear-gradient(145deg, rgba(13,92,75,0.08), rgba(255,255,255,0.55) 50%);
  padding: 1.25rem 1.35rem;
  min-height: 240px;
}
.stack-k {
  margin: 0 0 0.35rem;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--muted);
}
.stack-stage h3 { margin: 0 0 0.55rem; font-family: var(--display); }
.stack-stage p { margin: 0 0 0.75rem; color: var(--ink-soft); line-height: 1.55; max-width: 52ch; }
.stack-note { font-size: 0.85rem !important; color: var(--muted) !important; }
.stack-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.75rem;
  margin-top: 1.15rem;
}
.stack-strip div { border-top: 1px solid var(--line); padding-top: 0.65rem; }
.stack-strip span {
  display: block;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--muted);
}
.stack-strip b { display: block; margin-top: 0.25rem; font-size: 0.95rem; }

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 80;
  background: rgba(6,10,14,0.88);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}
.lightbox[hidden] { display: none !important; }
.lightbox img {
  max-width: min(1100px, 94vw);
  max-height: 88vh;
  object-fit: contain;
  border: 1px solid rgba(255,255,255,0.12);
}
.lightbox-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  border: 0;
  background: transparent;
  color: #fff;
  font-size: 2rem;
  cursor: pointer;
  line-height: 1;
}

@media (max-width: 980px) {
  .field-meta, .field-notes, .wiki-grid, .stack-lab, .stack-strip { grid-template-columns: 1fr 1fr; }
  .stack-lab { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .field-meta, .field-notes, .wiki-grid, .stack-strip { grid-template-columns: 1fr; }
}

/* --- v2: CJK + Field/Stack deluxe --- */
:root {
  --sans: "IBM Plex Sans", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --display: "Fraunces", "Syne", "PingFang SC", "Microsoft YaHei", Georgia, serif;
}
body.lang-zh {
  letter-spacing: 0.01em;
  font-feature-settings: "kern" 1;
}
body.lang-zh h1.brand,
body.lang-zh h2,
body.lang-zh .section-kicker {
  letter-spacing: 0.02em;
}

.lang-toggle {
  min-width: 3.2rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  background: rgba(13, 92, 75, 0.08);
}
.lang-toggle[aria-pressed="true"] {
  background: var(--accent);
  color: #f4f7f5;
  border-color: var(--accent);
}

.field-deluxe .field-lab {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 1.25rem;
  margin: 1.5rem 0 1.75rem;
}
.field-chapters {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}
.field-chapters button {
  text-align: left;
  border: 1px solid var(--line);
  background: rgba(246, 248, 250, 0.7);
  padding: 0.65rem 0.75rem;
  font-family: var(--mono);
  font-size: 0.78rem;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s, transform 0.15s;
}
.field-chapters button:hover { border-color: rgba(13,92,75,0.45); transform: translateX(2px); }
.field-chapters button.active {
  background: rgba(13, 92, 75, 0.12);
  border-color: var(--accent);
  color: var(--accent);
  font-weight: 600;
}
.field-stage {
  border: 1px solid var(--line);
  background:
    linear-gradient(145deg, rgba(13,92,75,0.05), transparent 45%),
    var(--paper);
  padding: 1rem;
  min-height: 280px;
}
.field-stage-grid {
  display: grid;
  grid-template-columns: minmax(180px, 0.9fr) 1.2fr;
  gap: 1rem;
  align-items: start;
}
.field-shot {
  border: 0;
  padding: 0;
  background: transparent;
  cursor: zoom-in;
  overflow: hidden;
}
.field-shot img {
  width: 100%;
  height: 100%;
  max-height: 320px;
  object-fit: cover;
  display: block;
  filter: contrast(1.04) saturate(0.95);
  transition: transform 0.45s ease;
}
.field-shot:hover img { transform: scale(1.03); }
.field-k {
  margin: 0 0 0.35rem;
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--accent);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.field-copy h3 {
  margin: 0 0 0.55rem;
  font-family: var(--display);
  font-size: 1.35rem;
  line-height: 1.25;
}
.field-copy p {
  margin: 0 0 0.85rem;
  color: var(--ink-soft);
  font-size: 0.95rem;
  line-height: 1.6;
}
.field-facts {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.35rem;
}
.field-facts li {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--muted);
  border-left: 2px solid var(--accent);
  padding-left: 0.55rem;
}

.wiki-thumb {
  position: relative;
}
.wiki-thumb span {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 0.45rem 0.5rem;
  background: linear-gradient(transparent, rgba(10,16,24,0.72));
  color: #f2f5f8;
  font-size: 0.68rem;
  font-family: var(--mono);
  text-align: left;
}

.stack-layers {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 0.5rem 0 1rem;
}
.stack-layers button {
  border: 1px solid var(--line);
  background: transparent;
  padding: 0.45rem 0.8rem;
  font-family: var(--mono);
  font-size: 0.78rem;
  cursor: pointer;
  transition: all 0.18s;
}
.stack-layers button.active,
.stack-layers button:hover {
  background: rgba(13, 92, 75, 0.12);
  border-color: var(--accent);
  color: var(--accent);
}
.stack-layer-tag {
  color: var(--accent);
  font-weight: 600;
}
.stack-deps {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--muted);
}
.stack-deps span {
  color: var(--accent);
  margin-right: 0.4rem;
}
.stack-actions { margin-top: 0.75rem; }
.stack-public {
  margin-top: 1rem;
  color: var(--muted);
  font-size: 0.88rem;
  max-width: 62ch;
}

.tour-shell, .paper-lab, .pi-lab.deluxe, .stack-lab, .field-lab {
  box-shadow: 0 18px 50px rgba(10, 16, 24, 0.06);
}

@media (max-width: 900px) {
  .field-deluxe .field-lab,
  .field-stage-grid { grid-template-columns: 1fr; }
  .field-chapters { flex-direction: row; flex-wrap: wrap; }
}

.pi-scenarios {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0.75rem 0 0.85rem;
}
.pi-scenarios button {
  border: 1px solid var(--line);
  background: rgba(246,248,250,0.85);
  padding: 0.4rem 0.7rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  cursor: pointer;
  transition: all 0.15s;
}
.pi-scenarios button:hover,
.pi-scenarios button.active {
  border-color: var(--accent);
  background: rgba(13,92,75,0.12);
  color: var(--accent);
}

/* --- v3 deluxe --- */
.lang-switch {
  display: inline-flex;
  border: 1px solid var(--line);
  background: rgba(246,248,250,0.9);
  overflow: hidden;
}
.lang-switch button {
  border: 0;
  background: transparent;
  padding: 0.35rem 0.7rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  cursor: pointer;
  color: var(--muted);
}
.lang-switch button.active {
  background: var(--accent);
  color: #f4f7f5;
}
.lang-toggle[hidden] { display: none !important; }

.field-dossier {
  margin: 1.75rem 0 1.5rem;
  padding: 1.25rem 1.35rem;
  border: 1px solid var(--line);
  background:
    linear-gradient(135deg, rgba(13,92,75,0.07), transparent 42%),
    var(--paper);
}
.field-dossier header h3 {
  margin: 0 0 0.35rem;
  font-family: var(--display);
  font-size: 1.25rem;
}
.field-dossier header p {
  margin: 0 0 1rem;
  color: var(--muted);
  font-size: 0.9rem;
}
.dossier-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.dossier-grid article {
  border-top: 1px solid var(--line);
  padding-top: 0.75rem;
}
.dossier-grid h4 {
  margin: 0 0 0.4rem;
  font-family: var(--display);
  font-size: 1.02rem;
}
.dossier-grid p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.9rem;
  line-height: 1.65;
}

.atlas-shell {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 1.1rem;
  margin-top: 1rem;
}
.atlas-graph {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.atlas-node {
  text-align: left;
  border: 1px solid var(--line);
  background: rgba(246,248,250,0.75);
  padding: 0.65rem 0.75rem;
  cursor: pointer;
  font-family: var(--mono);
  font-size: 0.78rem;
  transition: all 0.15s;
}
.atlas-node span { color: var(--muted); margin-right: 0.45rem; }
.atlas-node.active,
.atlas-node:hover {
  border-color: var(--accent);
  background: rgba(13,92,75,0.12);
  color: var(--accent);
}
.atlas-panel {
  border: 1px solid var(--line);
  background: var(--paper);
  padding: 1.1rem 1.2rem;
  min-height: 220px;
  box-shadow: 0 18px 50px rgba(10,16,24,0.06);
}
.atlas-k {
  margin: 0 0 0.35rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}
.atlas-panel h3 {
  margin: 0 0 0.55rem;
  font-family: var(--display);
  font-size: 1.35rem;
}
.atlas-panel p {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.65;
  font-size: 0.95rem;
}
.atlas-meters {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
  margin-top: 1rem;
}
.atlas-meters div {
  border-top: 1px solid var(--line);
  padding-top: 0.55rem;
}
.atlas-meters span {
  display: block;
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.atlas-meters b {
  display: block;
  margin-top: 0.25rem;
  font-size: 0.95rem;
}

@media (max-width: 900px) {
  .dossier-grid, .atlas-shell, .atlas-meters { grid-template-columns: 1fr 1fr; }
  .atlas-shell { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .dossier-grid, .atlas-meters { grid-template-columns: 1fr; }
}

/* --- hero portraits --- */
.hero-top {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(220px, 0.72fr);
  gap: 2rem 2.5rem;
  align-items: end;
  margin-bottom: 0.5rem;
}
.hero-portrait {
  position: relative;
  justify-self: end;
  width: min(100%, 340px);
  aspect-ratio: 4 / 5;
  margin: 0;
}
.portrait-main,
.portrait-alt {
  border: 0;
  padding: 0;
  background: transparent;
  cursor: zoom-in;
  display: block;
  overflow: hidden;
}
.portrait-main {
  position: absolute;
  inset: 0;
  z-index: 1;
}
.portrait-main img,
.portrait-alt img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
  filter: contrast(1.03) saturate(0.92);
  transition: transform 0.55s ease, filter 0.35s ease;
}
.portrait-main:hover img,
.portrait-alt:hover img {
  transform: scale(1.03);
  filter: contrast(1.06) saturate(1);
}
.portrait-alt {
  position: absolute;
  width: 42%;
  aspect-ratio: 4 / 5;
  right: -8%;
  bottom: -6%;
  z-index: 2;
  box-shadow: 0 18px 40px rgba(10, 16, 24, 0.22);
  outline: 3px solid var(--bg);
}
.portrait-cap {
  position: absolute;
  left: 0;
  right: 18%;
  bottom: -1.85rem;
  margin: 0;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  z-index: 3;
}
@media (max-width: 900px) {
  .hero-top {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  .hero-portrait {
    width: min(280px, 70vw);
    justify-self: start;
    margin-bottom: 1.5rem;
  }
}

/* --- mobile perf v3c --- */
@media (max-width: 720px) {
  .hero-top {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }
  .hero-portrait {
    position: relative;
    width: min(100%, 280px);
    aspect-ratio: 4 / 5;
    justify-self: start;
    margin: 0 0 2rem;
  }
  .portrait-alt {
    display: none; /* single-column: show primary only on small phones */
  }
  .portrait-cap {
    right: 0;
    bottom: -1.6rem;
  }
  .hero-stage canvas {
    max-height: 280px;
  }
  .wiki-hero img,
  .wiki-thumb img,
  .field-shot img {
    max-height: 240px;
  }
}

@media (max-width: 900px) and (min-width: 721px) {
  .hero-portrait {
    width: min(260px, 55vw);
  }
  .portrait-alt {
    width: 38%;
    right: -4%;
    bottom: -4%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .portrait-main img,
  .portrait-alt img,
  .wiki-thumb img,
  .field-shot img {
    transition: none !important;
  }
  .marquee-track {
    animation: none !important;
  }
}

/* --- hkex camp --- */
#hkex-gallery .wiki-hero,
#camp-gallery .wiki-hero { max-width: 720px; }
#camp-gallery .wiki-grid { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 720px) {
  #camp-gallery .wiki-grid { grid-template-columns: 1fr; }
}

/* === MOBILE SYSTEM m1 (desktop-first overrides only) === */

/* —— Burger hidden on desktop —— */
.nav-burger,
.nav-scrim,
.nav-drawer-head {
  display: none;
}

@media (max-width: 980px) {
  :root {
    --mobile-pad: max(1rem, env(safe-area-inset-left));
    --mobile-pad-r: max(1rem, env(safe-area-inset-right));
    --header-h: 56px;
  }

  html {
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
  }

  body {
    overflow-x: hidden;
    cursor: auto;
  }
  body.touch .cursor,
  body.touch .cursor-dot,
  .cursor,
  .cursor-dot {
    display: none !important;
  }

  /* Sticky compact header */
  .top {
    position: sticky;
    top: 0;
    z-index: 60;
    min-height: calc(var(--header-h) + env(safe-area-inset-top));
    padding: calc(env(safe-area-inset-top) + 0.35rem) var(--mobile-pad-r) 0.35rem var(--mobile-pad);
    display: flex;
    flex-wrap: nowrap;
    align-items: center;
    gap: 0.45rem;
    background: var(--top-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
  }
  .nav-burger {
    order: 0;
    flex: 0 0 auto;
  }
  .mark {
    order: 1;
    font-size: 1.15rem;
    z-index: 2;
    flex: 0 0 auto;
  }
  .header-tools {
    order: 2;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    z-index: 2;
    margin-left: auto;
    flex: 0 0 auto;
  }
  .cmd-hint {
    display: none; /* / palette less useful on phone */
  }
  .lang-switch button {
    min-height: 36px;
    min-width: 40px;
    padding: 0.35rem 0.55rem;
    font-size: 0.75rem;
  }

  /* Burger */
  .nav-burger {
    display: inline-flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    padding: 10px;
    border: 1px solid var(--line);
    background: rgba(255,255,255,0.65);
    cursor: pointer;
    z-index: 2;
  }
  .nav-burger span {
    display: block;
    height: 2px;
    width: 100%;
    background: var(--ink);
    transition: transform 0.22s, opacity 0.22s;
  }
  body.nav-open .nav-burger span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }
  body.nav-open .nav-burger span:nth-child(2) {
    opacity: 0;
  }
  body.nav-open .nav-burger span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  /* Scrim */
  .nav-scrim {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 55;
    background: rgba(10, 16, 24, 0.45);
    backdrop-filter: blur(2px);
  }
  .nav-scrim[hidden] {
    display: none !important;
  }

  /* Drawer nav */
  .nav-drawer-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.25rem 0 0.85rem;
    margin-bottom: 0.35rem;
    border-bottom: 1px solid var(--line);
    width: 100%;
  }
  .nav-drawer-title {
    font-family: var(--mono);
    font-size: 0.72rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--muted);
  }
  .nav-close {
    width: 44px;
    height: 44px;
    border: 0;
    background: transparent;
    font-size: 1.6rem;
    line-height: 1;
    color: var(--ink);
    cursor: pointer;
  }

  #spy-nav {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: min(86vw, 320px);
    z-index: 70;
    display: flex;
    flex-direction: column;
    flex-wrap: nowrap;
    align-items: stretch;
    gap: 0;
    padding: calc(env(safe-area-inset-top) + 1rem) 1.1rem calc(env(safe-area-inset-bottom) + 1.5rem);
    background: var(--drawer-bg);
    border-right: 1px solid var(--line);
    box-shadow: 18px 0 40px rgba(10, 16, 24, 0.18);
    transform: translateX(-105%);
    transition: transform 0.28s cubic-bezier(0.22, 1, 0.36, 1);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
  }
  body.nav-open #spy-nav {
    transform: translateX(0);
  }
  #spy-nav a {
    display: flex;
    align-items: center;
    min-height: 48px;
    padding: 0.65rem 0.35rem;
    font-size: 1.05rem;
    font-weight: 600;
    border-bottom: 1px solid rgba(10, 16, 24, 0.06);
    color: var(--ink);
  }
  #spy-nav a.active {
    color: var(--accent);
    box-shadow: inset 3px 0 0 var(--accent);
    padding-left: 0.55rem;
  }

  /* Page chrome */
  main {
    width: 100%;
    max-width: 100%;
    margin: 0;
    padding: 0 var(--mobile-pad-r) calc(3rem + env(safe-area-inset-bottom)) var(--mobile-pad);
    box-sizing: border-box;
  }

  .section {
    padding-top: 2.25rem;
    padding-bottom: 1.5rem;
    scroll-margin-top: calc(var(--header-h) + env(safe-area-inset-top) + 8px);
  }
  .section-kicker {
    font-size: 0.72rem;
  }
  h2 {
    font-size: clamp(1.55rem, 7vw, 2.1rem) !important;
    line-height: 1.15;
    max-width: 20ch;
  }
  .section-lede {
    font-size: 0.98rem;
    line-height: 1.6;
    max-width: none;
  }

  /* HERO — mobile composition */
  .hero {
    padding: 1.25rem 0 1rem;
  }
  .hero-top {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
  }
  .hero-portrait {
    order: -1; /* face first on phone */
    width: min(72vw, 260px);
    aspect-ratio: 4 / 5;
    justify-self: start;
    margin: 0 auto 0.25rem;
  }
  .portrait-alt {
    display: none;
  }
  .portrait-cap {
    left: 0;
    right: 0;
    bottom: -1.55rem;
    text-align: center;
    font-size: 0.62rem;
  }
  .hero-copy {
    order: 1;
  }
  .hero-meta {
    gap: 0.4rem;
    font-size: 0.65rem;
  }
  .hero-meta .sep,
  .hero-meta [data-i18n="hero.role"] {
    display: none; /* reduce chip noise */
  }
  .brand {
    font-size: clamp(2.4rem, 12vw, 3.4rem);
    margin-top: 0.55rem;
    text-align: left;
  }
  .lede {
    font-size: 1.02rem;
    line-height: 1.55;
    max-width: none;
  }
  .lede-sub {
    font-size: 0.88rem;
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
  .cta-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.55rem;
    margin-top: 1rem;
  }
  .cta-row .btn {
    min-height: 48px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    font-size: 0.84rem;
    padding: 0.65rem 0.5rem;
    transform: none !important; /* kill magnetic on mobile */
  }
  .cta-row .btn.primary {
    grid-column: 1 / -1;
  }
  /* hide tertiary CTAs on narrow phones — keep primary + repro + academy */
  .cta-row .btn[href="#venues"],
  .cta-row .btn[href="#letter"],
  .cta-row .btn[href="#tour"] {
    display: none;
  }

  .hero-stats {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.65rem 0.75rem;
    margin-top: 1.75rem;
  }
  .hero-stats b {
    font-size: 1.35rem;
  }
  .hero-stats span {
    font-size: 0.68rem;
    line-height: 1.3;
  }

  .hero-stage {
    margin-top: 1.25rem;
  }
  .hero-stage canvas {
    width: 100% !important;
    height: 240px !important;
    max-height: 240px;
  }
  .stage-ui {
    font-size: 0.62rem;
    gap: 0.35rem;
  }
  .stage-caption {
    font-size: 0.78rem;
  }

  .marquee {
    margin: 1rem calc(-1 * var(--mobile-pad)) 0;
    width: calc(100% + var(--mobile-pad) + var(--mobile-pad-r));
  }
  .marquee-track span {
    font-size: 0.72rem;
  }

  /* Grids → single column */
  .beats,
  .venue-grid,
  .claim-tiers,
  .edge-grid,
  .fusion-grid,
  .craft-grid,
  .letter-detail,
  .dossier-grid,
  .field-meta,
  .field-notes,
  .wiki-grid,
  .stack-strip,
  .atlas-meters,
  .paper-strip,
  .letter-metrics,
  .scale-metrics,
  .expert-row,
  .result-notes,
  .cred-bars {
    grid-template-columns: 1fr !important;
  }

  .letter-layout {
    grid-template-columns: 1fr !important;
  }

  /* Horizontal snap rails for dense controls */
  .tour-steps,
  .agency-map,
  .stack-layers,
  .field-chapters,
  .pi-scenarios,
  .fusion-toggles,
  .pipeline.interactive,
  .atlas-graph,
  .paper-rail {
    display: flex !important;
    flex-direction: row !important;
    flex-wrap: nowrap !important;
    gap: 0.45rem;
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    scroll-snap-type: x mandatory;
    padding-bottom: 0.35rem;
    margin-left: calc(-1 * var(--mobile-pad));
    margin-right: calc(-1 * var(--mobile-pad-r));
    padding-left: var(--mobile-pad);
    padding-right: var(--mobile-pad-r);
    scrollbar-width: none;
  }
  .tour-steps::-webkit-scrollbar,
  .agency-map::-webkit-scrollbar,
  .stack-layers::-webkit-scrollbar,
  .field-chapters::-webkit-scrollbar,
  .pi-scenarios::-webkit-scrollbar,
  .pipeline.interactive::-webkit-scrollbar,
  .atlas-graph::-webkit-scrollbar,
  .paper-rail::-webkit-scrollbar {
    display: none;
  }

  .tour-step,
  .agency-tab,
  .stack-layers button,
  .field-chapters button,
  .pi-scenarios button,
  .fusion-tog,
  .pipe-step,
  .atlas-node,
  .paper-tab {
    flex: 0 0 auto;
    scroll-snap-align: start;
    min-height: 44px;
    white-space: nowrap;
  }
  .paper-tab {
    min-width: 160px;
    text-align: left;
  }
  .paper-tab em {
    white-space: normal;
  }
  .pipe-step {
    min-width: 120px;
  }

  .tour-shell,
  .paper-lab,
  .atlas-shell,
  .field-deluxe .field-lab,
  .field-stage-grid,
  .stack-lab,
  .results-lab,
  .lab-split,
  .pi-controls.deluxe {
    grid-template-columns: 1fr !important;
  }

  .tour-nav {
    position: sticky;
    bottom: calc(env(safe-area-inset-bottom) + 0.5rem);
    z-index: 20;
    background: var(--top-bg);
    backdrop-filter: blur(10px);
    padding: 0.55rem;
    border: 1px solid var(--line);
    gap: 0.5rem;
  }
  .tour-nav button {
    min-height: 44px;
    flex: 1;
  }

  /* Tables */
  .table-wrap {
    margin-left: calc(-1 * var(--mobile-pad));
    margin-right: calc(-1 * var(--mobile-pad-r));
    padding: 0 var(--mobile-pad-r) 0 var(--mobile-pad);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  .data-table {
    min-width: 640px;
    font-size: 0.82rem;
  }
  .data-table th,
  .data-table td {
    padding: 0.55rem 0.45rem;
  }
  .data-table th:first-child,
  .data-table td:first-child {
    position: sticky;
    left: 0;
    background: var(--paper);
    z-index: 1;
    box-shadow: 4px 0 8px rgba(10, 16, 24, 0.06);
  }

  /* Funnel / factors */
  .funnel.interactive,
  .funnel {
    gap: 0.55rem;
  }
  .funnel-step {
    min-height: 56px;
    padding: 0.75rem;
  }
  .factor-panel {
    grid-template-columns: 1fr !important;
  }
  .factor-list {
    display: flex;
    flex-direction: row;
    overflow-x: auto;
    gap: 0.4rem;
    max-height: none;
    padding-bottom: 0.35rem;
  }
  .factor-btn {
    flex: 0 0 auto;
    min-height: 44px;
    white-space: nowrap;
  }

  /* Images */
  .wiki-hero,
  #hkex-gallery .wiki-hero,
  #camp-gallery .wiki-hero {
    max-width: 100%;
  }
  .wiki-hero img,
  .field-shot img,
  .letter-fig img {
    max-height: 52vh;
    width: 100%;
    object-fit: cover;
  }
  #camp-gallery .wiki-grid {
    grid-template-columns: 1fr 1fr !important;
  }

  /* Stack rail horizontal */
  .stack-rail {
    display: flex;
    flex-direction: row;
    overflow-x: auto;
    max-height: none;
    gap: 0.4rem;
    padding-bottom: 0.35rem;
  }
  .stack-rail button {
    flex: 0 0 auto;
    min-height: 44px;
    white-space: nowrap;
  }

  /* Lightbox */
  .lightbox {
    padding: env(safe-area-inset-top) var(--mobile-pad) env(safe-area-inset-bottom);
  }
  .lightbox img {
    max-width: 100%;
    max-height: 78vh;
    object-fit: contain;
  }
  .lightbox-close {
    top: calc(env(safe-area-inset-top) + 0.5rem);
    right: var(--mobile-pad-r);
    width: 48px;
    height: 48px;
    font-size: 1.8rem;
  }

  /* Palette full sheet on mobile */
  .palette {
    width: 100%;
    max-width: 100%;
    left: 0;
    right: 0;
    top: auto;
    bottom: 0;
    transform: none;
    border-radius: 16px 16px 0 0;
    max-height: 70vh;
  }
  .palette input {
    min-height: 52px;
    font-size: 16px; /* prevent iOS zoom */
  }

  /* Forms / ranges */
  input[type="range"] {
    min-height: 44px;
  }
  .pi-controls.deluxe label {
    font-size: 0.88rem;
  }
  .pi-readout {
    grid-template-columns: 1fr 1fr !important;
  }

  /* Magnetic off */
  [data-magnetic] {
    transform: none !important;
  }

  /* Footer */
  footer {
    padding: 1.5rem var(--mobile-pad) calc(1.5rem + env(safe-area-inset-bottom));
    font-size: 0.8rem;
  }

  /* Grain quieter */
  .grain {
    opacity: 0.015;
  }
}

/* Extra-narrow phones */
@media (max-width: 400px) {
  .cta-row {
    grid-template-columns: 1fr;
  }
  .cta-row .btn[href="#agency"] {
    display: none;
  }
  .hero-stats {
    grid-template-columns: 1fr 1fr;
  }
  .brand {
    font-size: 2.2rem;
  }
  #camp-gallery .wiki-grid {
    grid-template-columns: 1fr !important;
  }
}

/* Landscape phones: don't force portrait-first huge */
@media (max-width: 980px) and (orientation: landscape) {
  .hero-portrait {
    order: 0;
    width: min(34vw, 180px);
    margin: 0;
  }
  .hero-top {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: end;
  }
  .hero-stage canvas {
    height: 180px !important;
  }
}

/* === theme switch === */
.theme-switch {
  display: inline-flex;
  border: 1px solid var(--line);
  background: var(--card);
  overflow: hidden;
}
.theme-switch button {
  border: 0;
  background: transparent;
  padding: 0.35rem 0.65rem;
  font-size: 0.85rem;
  line-height: 1;
  cursor: pointer;
  color: var(--muted);
  min-width: 2.2rem;
  min-height: 2rem;
}
.theme-switch button.active {
  background: var(--accent);
  color: #f4f7f5;
}
html[data-theme="dark"] .theme-switch button.active {
  color: #0a1018;
}

html[data-theme="dark"] .top {
  background: var(--top-bg);
  border-bottom-color: var(--line);
}
html[data-theme="dark"] .mark { color: var(--ink); }
html[data-theme="dark"] nav a { color: var(--ink-soft); }
html[data-theme="dark"] nav a:hover,
html[data-theme="dark"] nav a.active { color: var(--ink); }

html[data-theme="dark"] .beats article,
html[data-theme="dark"] .venue,
html[data-theme="dark"] .tier,
html[data-theme="dark"] .math-card,
html[data-theme="dark"] .expert,
html[data-theme="dark"] .craft-grid article,
html[data-theme="dark"] .edge-grid article,
html[data-theme="dark"] .fusion-grid article,
html[data-theme="dark"] .field-notes article,
html[data-theme="dark"] .letter-quote,
html[data-theme="dark"] .paper-stage,
html[data-theme="dark"] .atlas-panel,
html[data-theme="dark"] .stack-stage,
html[data-theme="dark"] .field-stage,
html[data-theme="dark"] .tour-shell,
html[data-theme="dark"] .pi-lab.deluxe,
html[data-theme="dark"] .limit-lab,
html[data-theme="dark"] .limit-card,
html[data-theme="dark"] .panel-inspect,
html[data-theme="dark"] .agency-panel,
html[data-theme="dark"] .field-dossier {
  background: var(--card);
  border-color: var(--line);
  color: var(--ink);
}

html[data-theme="dark"] .btn.ghost {
  border-color: var(--line);
  color: var(--ink);
  background: transparent;
}
html[data-theme="dark"] .btn.primary {
  background: var(--accent);
  color: #0a1018;
  border-color: var(--accent);
}
html[data-theme="dark"] .chip {
  border-color: rgba(94, 201, 168, 0.35);
  background: var(--accent-soft);
  color: var(--accent);
}
html[data-theme="dark"] .chip-alt {
  border-color: rgba(126, 182, 255, 0.35);
  background: rgba(126, 182, 255, 0.1);
  color: #9ec4ff;
}

html[data-theme="dark"] .lang-switch,
html[data-theme="dark"] .cmd-hint,
html[data-theme="dark"] .nav-burger {
  background: var(--card);
  border-color: var(--line);
  color: var(--ink);
}
html[data-theme="dark"] .lang-switch button { color: var(--muted); }
html[data-theme="dark"] .lang-switch button.active {
  background: var(--accent);
  color: #0a1018;
}
html[data-theme="dark"] .nav-burger span { background: var(--ink); }

html[data-theme="dark"] #spy-nav {
  background: var(--drawer-bg);
  border-color: var(--line);
  color: var(--ink);
}
html[data-theme="dark"] .data-table th:first-child,
html[data-theme="dark"] .data-table td:first-child {
  background: var(--paper);
}
html[data-theme="dark"] .marquee {
  border-color: var(--line);
  color: var(--muted);
}
html[data-theme="dark"] .terminal-block,
html[data-theme="dark"] .terminal {
  background: #0a1018;
  color: #d7e0ea;
}
html[data-theme="dark"] .lightbox {
  background: rgba(0, 0, 0, 0.88);
}
html[data-theme="dark"] .palette {
  background: var(--drawer-bg);
  color: var(--ink);
  border-color: var(--line);
}
html[data-theme="dark"] .palette input {
  background: var(--paper);
  color: var(--ink);
  border-color: var(--line);
}
html[data-theme="dark"] .grain { opacity: 0.045; }
html[data-theme="dark"] .cursor {
  border-color: rgba(232, 238, 244, 0.45);
  mix-blend-mode: difference;
}
html[data-theme="dark"] .cursor-dot { background: var(--ink); }

html[data-theme="dark"] .paper-tab,
html[data-theme="dark"] .tour-step,
html[data-theme="dark"] .agency-tab,
html[data-theme="dark"] .stack-rail button,
html[data-theme="dark"] .stack-layers button,
html[data-theme="dark"] .field-chapters button,
html[data-theme="dark"] .pi-scenarios button,
html[data-theme="dark"] .atlas-node,
html[data-theme="dark"] .fusion-tog,
html[data-theme="dark"] .funnel-step,
html[data-theme="dark"] .pipe-step,
html[data-theme="dark"] .factor-btn {
  background: var(--card);
  border-color: var(--line);
  color: var(--ink-soft);
}
html[data-theme="dark"] .paper-tab.active,
html[data-theme="dark"] .tour-step.active,
html[data-theme="dark"] .agency-tab.active,
html[data-theme="dark"] .stack-rail button.active,
html[data-theme="dark"] .stack-layers button.active,
html[data-theme="dark"] .field-chapters button.active,
html[data-theme="dark"] .pi-scenarios button.active,
html[data-theme="dark"] .atlas-node.active,
html[data-theme="dark"] .fusion-tog.active {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent);
}

@media (max-width: 980px) {
  html[data-theme="dark"] .top {
    background: var(--top-bg);
  }
  html[data-theme="dark"] #spy-nav {
    background: var(--drawer-bg);
  }
  html[data-theme="dark"] .tour-nav {
    background: var(--top-bg);
  }
}

/* header-tools-theme-fix */
.header-tools {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 0.45rem;
  z-index: 45;
  position: relative;
}
.theme-switch {
  display: inline-flex !important;
  flex-shrink: 0;
  border: 1px solid var(--line);
  background: var(--paper);
  box-shadow: 0 1px 0 var(--shadow);
}
.theme-switch button {
  border: 0;
  background: transparent;
  padding: 0.4rem 0.7rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  cursor: pointer;
  color: var(--muted);
  min-width: 3.2rem;
  min-height: 2.15rem;
}
.theme-switch button.active {
  background: var(--accent);
  color: #f4f7f5;
}
html[data-theme="dark"] .theme-switch button.active {
  color: #0a1018;
}
.top {
  overflow: visible;
}
@media (min-width: 981px) {
  .top {
    flex-wrap: nowrap;
    gap: 0.75rem;
  }
  #spy-nav {
    flex: 1 1 auto;
    min-width: 0;
    justify-content: flex-end;
    flex-wrap: nowrap;
    overflow-x: auto;
    scrollbar-width: none;
    max-width: calc(100vw - 280px);
  }
  #spy-nav::-webkit-scrollbar { display: none; }
  .header-tools {
    margin-left: 0.25rem;
  }
}

/* === boat terminal parliament · deep desk === */
#terminal {
  scroll-margin-top: calc(var(--header-h, 64px) + env(safe-area-inset-top) + 16px);
}
.terminal-showcase {
  margin-top: 0.25rem;
  position: relative;
}
.term-beacon {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  margin-bottom: 0.85rem;
  padding: 0.35rem 0.75rem;
  border: 1px solid color-mix(in srgb, var(--accent) 45%, var(--line));
  background: color-mix(in srgb, var(--accent) 10%, transparent);
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
}
.term-beacon-live {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 0 color-mix(in srgb, var(--accent) 55%, transparent);
  animation: pulse 1.6s infinite;
}
.term-ticker {
  display: grid;
  grid-template-columns: repeat(8, minmax(0, 1fr));
  gap: 0.5rem;
  margin: 1.1rem 0 1.25rem;
  padding: 0.75rem 0.85rem;
  border: 1px solid var(--line);
  background:
    linear-gradient(90deg, color-mix(in srgb, var(--accent) 8%, transparent), transparent 40%),
    var(--card);
  overflow-x: auto;
}
.term-tick span {
  display: block;
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.08em;
  color: var(--muted);
  text-transform: uppercase;
}
.term-tick b {
  display: block;
  margin-top: 0.2rem;
  font-family: var(--mono);
  font-size: 0.92rem;
  font-weight: 600;
}
.term-tick em {
  font-style: normal;
  font-family: var(--mono);
  font-size: 0.65rem;
  margin-left: 0.25rem;
}
.term-tick em.up { color: #f87171; }
.term-tick em.hot { color: #fb923c; }
.term-meta {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.85rem;
  margin: 0 0 1.25rem;
}
.term-meta div { border-top: 1px solid var(--line); padding-top: 0.65rem; }
.term-meta span {
  display: block;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}
.term-meta b { display: block; margin-top: 0.3rem; font-size: 0.95rem; }
.term-caps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.85rem;
  margin-bottom: 1.15rem;
}
.term-caps article {
  border: 1px solid var(--line);
  background: var(--card);
  padding: 0.95rem 1rem;
  position: relative;
  overflow: hidden;
}
.term-caps article::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: var(--accent);
}
.term-cap-k {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
}
.term-caps h3 {
  margin: 0.35rem 0 0.4rem;
  font-family: var(--display);
  font-size: 1.05rem;
}
.term-caps p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.88rem;
  line-height: 1.5;
}
.term-pitch {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.term-pitch article {
  background: var(--card);
  border: 1px solid var(--line);
  padding: 1rem 1.05rem;
}
.term-pitch h3 { margin: 0 0 0.4rem; font-family: var(--display); font-size: 1.05rem; }
.term-pitch p { margin: 0; color: var(--ink-soft); font-size: 0.92rem; line-height: 1.55; }

.term-figures { margin-top: 1.85rem; }
.term-fig-head { margin-bottom: 0.85rem; }
.term-fig-head h3 { margin: 0 0 0.25rem; font-family: var(--display); }
.term-fig-head p { margin: 0; color: var(--muted); font-size: 0.88rem; }
.term-fig-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
}
.term-fig {
  border: 1px solid var(--line);
  background: var(--card);
  padding: 0;
  cursor: zoom-in;
  text-align: left;
  overflow: hidden;
  transition: border-color 0.15s, transform 0.15s;
}
.term-fig:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}
.term-fig-hero {
  grid-column: 1 / -1;
}
.term-fig img {
  width: 100%;
  height: 148px;
  object-fit: cover;
  object-position: top;
  display: block;
}
.term-fig-hero img { height: 260px; }
.term-fig span {
  display: block;
  padding: 0.55rem 0.7rem;
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--muted);
}
.term-details {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.25rem;
}
.term-details article {
  border-top: 1px solid var(--line);
  padding-top: 0.75rem;
}
.term-details h3 { margin: 0 0 0.4rem; font-family: var(--display); font-size: 1.02rem; }
.term-details p { margin: 0; color: var(--ink-soft); font-size: 0.9rem; line-height: 1.55; }

.cta-row .btn[href="#terminal"] {
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--accent) 40%, transparent);
}

@media (max-width: 1100px) {
  .term-ticker { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .term-caps { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 980px) {
  .term-meta, .term-pitch, .term-fig-grid, .term-details { grid-template-columns: 1fr 1fr; }
  .term-fig-hero { grid-column: auto; }
  .term-fig-hero img { height: 180px; }
}
@media (max-width: 640px) {
  .term-ticker { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .term-meta, .term-pitch, .term-fig-grid, .term-details, .term-caps { grid-template-columns: 1fr; }
  .term-fig img, .term-fig-hero img { height: 170px; }
}

/* ==== viz.css ==== */
/* viz.css — signature interactives (diffraction limit, Sharpe ladder, factor zoo).
   Scoped under .viz to avoid colliding with styles.css. Theme-aware via CSS vars. */

.viz {
  --viz-ink: var(--ink, #d7e0ea);
  --viz-muted: #8a93a3;
  --viz-good: #6dcea8;
  --viz-warn: #c45c26;
  --viz-line: rgba(215, 224, 234, 0.18);
  --viz-panel: #0b1118;
  position: relative;
  margin-top: 1.1rem;
}
:root[data-theme="light"] .viz {
  --viz-ink: #1a2230;
  --viz-muted: #5a6676;
  --viz-good: #0d7a5f;
  --viz-warn: #b24a1c;
  --viz-line: rgba(26, 34, 48, 0.16);
  --viz-panel: #f3f6fb;
}

.viz-card {
  border: 1px solid var(--viz-line);
  border-radius: 14px;
  background: var(--viz-panel);
  padding: 1.1rem 1.2rem 1.25rem;
  overflow: hidden;
}

.viz-head {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}
.viz-title {
  font: 600 0.95rem/1.3 "IBM Plex Sans", system-ui, sans-serif;
  color: var(--viz-ink);
  letter-spacing: 0.01em;
}
.viz-sub {
  font: 400 0.78rem/1.4 "IBM Plex Mono", ui-monospace, monospace;
  color: var(--viz-muted);
}

.viz-canvas-wrap {
  position: relative;
  width: 100%;
}
.viz canvas {
  display: block;
  width: 100%;
  border-radius: 10px;
  touch-action: pan-y;
}
.viz svg {
  display: block;
  width: 100%;
  height: auto;
}

/* controls */
.viz-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1.1rem;
  align-items: center;
  margin-top: 0.85rem;
}
.viz-control {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font: 500 0.78rem/1 "IBM Plex Mono", ui-monospace, monospace;
  color: var(--viz-muted);
}
.viz-control input[type="range"] {
  width: clamp(140px, 32vw, 280px);
  accent-color: var(--viz-good);
  cursor: pointer;
}
.viz-readout {
  font: 500 0.82rem/1 "IBM Plex Mono", ui-monospace, monospace;
  color: var(--viz-ink);
}
.viz-readout b { color: var(--viz-good); }

/* segmented toggle */
.viz-toggle {
  display: inline-flex;
  border: 1px solid var(--viz-line);
  border-radius: 999px;
  overflow: hidden;
}
.viz-toggle button {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--viz-muted);
  font: 500 0.76rem/1 "IBM Plex Mono", ui-monospace, monospace;
  padding: 0.42rem 0.85rem;
  cursor: pointer;
  transition: background 0.18s ease, color 0.18s ease;
}
.viz-toggle button[aria-pressed="true"] {
  background: var(--viz-good);
  color: #06120d;
}
.viz-toggle button:focus-visible {
  outline: 2px solid var(--viz-good);
  outline-offset: -2px;
}

/* tooltip */
.viz-tip {
  position: absolute;
  pointer-events: none;
  z-index: 5;
  min-width: 120px;
  max-width: 240px;
  padding: 0.5rem 0.6rem;
  border-radius: 8px;
  border: 1px solid var(--viz-line);
  background: rgba(8, 12, 18, 0.94);
  color: #e7edf5;
  font: 500 0.72rem/1.35 "IBM Plex Mono", ui-monospace, monospace;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 0.12s ease, transform 0.12s ease;
}
.viz-tip.show { opacity: 1; transform: translateY(0); }
.viz-tip b { color: var(--viz-good); }

.viz-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1rem;
  margin-top: 0.7rem;
  font: 400 0.72rem/1.3 "IBM Plex Mono", ui-monospace, monospace;
  color: var(--viz-muted);
}
.viz-legend span { display: inline-flex; align-items: center; gap: 0.35rem; }
.viz-swatch {
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 2px;
  display: inline-block;
}

.viz-caption {
  margin-top: 0.75rem;
  font: 400 0.74rem/1.45 "IBM Plex Mono", ui-monospace, monospace;
  color: var(--viz-muted);
}

/* fallback when JS/motion disabled */
.viz-fallback {
  display: none;
  color: var(--viz-muted);
  font: 400 0.8rem/1.5 "IBM Plex Sans", system-ui, sans-serif;
}
.viz[data-fallback="true"] .viz-canvas-wrap,
.viz[data-fallback="true"] .viz-controls { display: none; }
.viz[data-fallback="true"] .viz-fallback { display: block; }

/* three-act narrative dividers */
.act-divider {
  max-width: var(--maxw, 1200px);
  margin: 4.5rem auto 1rem;
  padding: 0 clamp(1rem, 4vw, 3rem);
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  border-left: 2px solid var(--viz-good, #6dcea8);
  padding-left: 1rem;
  opacity: 0.35;
  transform: translateX(-6px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.act-divider.act-live { opacity: 1; transform: translateX(0); }
.act-num {
  font: 700 0.72rem/1 "IBM Plex Mono", ui-monospace, monospace;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--viz-good, #6dcea8);
}
.act-title {
  font: 600 clamp(1.3rem, 3vw, 2rem)/1.1 "Fraunces", Georgia, serif;
  color: var(--ink, #d7e0ea);
}
.act-sub {
  font: 400 0.9rem/1.45 "IBM Plex Sans", system-ui, sans-serif;
  color: var(--viz-muted, #8a93a3);
  max-width: 54ch;
}

@media (prefers-reduced-motion: reduce) {
  .act-divider { transition: none; opacity: 1; transform: none; }
}

/* ==== bench.css ==== */
/* ==========================================================================
   BOAT · 04b Autopsy bench
   A device, not a form: paste a return series or a t-stat, get the paper's
   own identity applied to your numbers, computed in the tab.
   Tokens only — no new palette, no new type ramp.
   ========================================================================== */

.bench {
  margin-top: 2.75rem;
  padding-top: 2rem;
  border-top: 1px solid var(--line);
}
.bench-kicker {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 0.6rem;
}
.bench-title {
  font-family: var(--display);
  font-size: clamp(1.5rem, 3.2vw, 2.05rem);
  line-height: 1.1;
  letter-spacing: -0.015em;
  margin: 0 0 0.5rem;
}
.bench-lede {
  margin: 0 0 1.4rem;
  max-width: 62ch;
  color: var(--ink-soft);
  font-size: 0.95rem;
  line-height: 1.6;
}
.bench-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
  gap: 1.1rem;
  align-items: stretch;
}
@media (max-width: 980px) {
  .bench-grid { grid-template-columns: 1fr; }
}

/* ---------------------------------------------------------------- inputs */
.bench-input {
  border: 1px solid var(--line);
  background: var(--card);
  padding: 1rem 1rem 1.15rem;
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.bench-tabs {
  display: flex;
  gap: 0.35rem;
  margin-bottom: 0.9rem;
  flex-wrap: wrap;
}
.bench-tab {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  padding: 0.38rem 0.6rem;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  transition: color 0.18s, border-color 0.18s, background 0.18s;
}
.bench-tab:hover { color: var(--ink); }
.bench-tab.active {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--accent-soft);
}
.bench-pane[hidden] { display: none; }
.bench-label {
  display: block;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.4rem;
}
.bench-textarea,
.bench-num {
  width: 100%;
  font-family: var(--mono);
  font-size: 0.78rem;
  line-height: 1.55;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 0.6rem 0.7rem;
  outline: none;
  transition: border-color 0.18s;
}
.bench-textarea:focus,
.bench-num:focus { border-color: var(--accent); }
.bench-textarea {
  min-height: 7.5rem;
  resize: vertical;
}
.bench-row {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-top: 0.55rem;
  flex-wrap: wrap;
}
.bench-btn {
  font-family: var(--mono);
  font-size: 0.7rem;
  padding: 0.36rem 0.65rem;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  transition: border-color 0.18s, color 0.18s;
}
.bench-btn:hover { border-color: var(--accent); color: var(--accent); }
.bench-btn.primary {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-soft);
}
.bench-hint {
  font-family: var(--mono);
  font-size: 0.66rem;
  color: var(--muted);
}
.bench-stat-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem;
}
@media (max-width: 520px) {
  .bench-stat-row { grid-template-columns: 1fr; }
}

.bench-controls {
  margin-top: 1rem;
  padding-top: 0.9rem;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 0.9rem;
}
.bench-ctl-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.6rem;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  color: var(--muted);
}
.bench-ctl-head output {
  color: var(--ink);
  font-size: 0.76rem;
}
/* The site lifts every range input to a 44px touch target on mobile
   (styles.css:3111). Keep that target, draw a 2px track inside it. */
.bench .bench-range {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 44px;
  margin: 0;
  padding: 0;
  border: 0;
  outline: none;
  cursor: pointer;
  background-color: transparent;
  background-image: linear-gradient(var(--line), var(--line));
  background-size: 100% 2px;
  background-position: center;
  background-repeat: no-repeat;
}
.bench .bench-range::-webkit-slider-runnable-track {
  height: 2px;
  background: transparent;
}
.bench .bench-range::-moz-range-track {
  height: 2px;
  background: var(--line);
}
.bench .bench-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 14px;
  height: 14px;
  margin-top: -6px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid var(--bg);
  box-shadow: 0 0 0 1px var(--accent);
  cursor: pointer;
}
.bench .bench-range::-moz-range-thumb {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid var(--bg);
  cursor: pointer;
}

/* ---------------------------------------------------------------- output */
.bench-out {
  border: 1px solid var(--line);
  background: var(--card-solid);
  padding: 1rem 1.05rem 0.9rem;
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.bench-verdict {
  border-left: 3px solid var(--muted);
  padding: 0.1rem 0 0.1rem 0.75rem;
  margin-bottom: 0.95rem;
}
.bench-verdict .bv-k {
  display: block;
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.15rem;
}
.bench-verdict b {
  display: block;
  font-family: var(--mono);
  font-size: clamp(1.05rem, 2.2vw, 1.3rem);
  letter-spacing: 0.06em;
  line-height: 1.2;
}
.bench-verdict p {
  margin: 0.35rem 0 0;
  font-size: 0.85rem;
  line-height: 1.5;
  color: var(--ink-soft);
}
.bench-verdict[data-verdict="pass"] { border-left-color: var(--accent); }
.bench-verdict[data-verdict="pass"] b { color: var(--accent); }
.bench-verdict[data-verdict="miskill"] { border-left-color: var(--warn); }
.bench-verdict[data-verdict="miskill"] b { color: var(--warn); }
.bench-verdict[data-verdict="weak"] { border-left-color: var(--muted); }
.bench-verdict[data-verdict="weak"] b { color: var(--ink-soft); }

.bench-read {
  display: grid;
  gap: 0.3rem;
  margin: 0 0 0.9rem;
}
.bench-read > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem;
  border-bottom: 1px dotted var(--line);
  padding-bottom: 0.28rem;
}
.bench-read dt {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.03em;
  color: var(--muted);
}
.bench-read dd {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--ink);
  text-align: right;
}
.bench-read dd.hot { color: var(--warn); }
.bench-read dd.ok { color: var(--accent); }

.bench-curve {
  width: 100%;
  height: auto;
  display: block;
  margin: 0.2rem 0 0.6rem;
}
.bench-curve text {
  font-family: var(--mono);
  font-size: 8.5px;
  fill: var(--muted);
}
.bench-foot {
  margin-top: auto;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
  padding-top: 0.6rem;
  border-top: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 0.64rem;
  color: var(--muted);
}
.bench-foot .spacer { margin-left: auto; }

/* batch output */
.bench-batch-bar {
  display: flex;
  height: 12px;
  border: 1px solid var(--line);
  margin: 0.2rem 0 0.55rem;
  overflow: hidden;
}
.bench-batch-bar i { display: block; height: 100%; }
.bench-batch-bar .s-pass { background: var(--accent); }
.bench-batch-bar .s-mis { background: var(--warn); }
.bench-batch-bar .s-weak { background: var(--muted); opacity: 0.55; }
.bench-batch-legend {
  display: flex;
  gap: 0.9rem;
  flex-wrap: wrap;
  font-family: var(--mono);
  font-size: 0.66rem;
  color: var(--muted);
  margin-bottom: 0.7rem;
}
.bench-batch-legend b { color: var(--ink); }
.bench-list {
  max-height: 9.5rem;
  overflow-y: auto;
  border-top: 1px solid var(--line);
  margin-top: 0.2rem;
}
.bench-list div {
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
  font-family: var(--mono);
  font-size: 0.7rem;
  padding: 0.26rem 0;
  border-bottom: 1px dotted var(--line);
  color: var(--ink-soft);
}
.bench-list div span:last-child { color: var(--warn); }
.bench-empty {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--muted);
  padding: 0.6rem 0;
}

/* pooling block — the √n that makes the paper work */
.bench-pool {
  border: 1px solid var(--line);
  border-left: 2px solid var(--accent);
  padding: 0.6rem 0.75rem 0.65rem;
  margin: 0 0 0.7rem;
  background: transparent;
}
.bench-pool .bp-head {
  margin: 0 0 0.45rem;
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}
.bench-pool .bp-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.35rem 0.6rem;
}
.bench-pool .bp-grid div { display: flex; flex-direction: column; gap: 0.1rem; }
.bench-pool .bp-grid span {
  font-family: var(--mono);
  font-size: 0.6rem;
  color: var(--muted);
}
.bench-pool .bp-grid b {
  font-family: var(--mono);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--ink);
}
.bench-pool .bp-grid .bp-key b { color: var(--accent); }
.bench-pool .bp-grid b.ok { color: #2f8f6b; }
.bench-pool .bp-grid b.hot { color: var(--warn); }
.bench-pool .bp-note {
  margin: 0.5rem 0 0;
  font-size: 0.76rem;
  line-height: 1.5;
  color: var(--ink-soft);
}
.bench-pool .bp-caveat {
  margin: 0.3rem 0 0;
  font-family: var(--mono);
  font-size: 0.62rem;
  line-height: 1.5;
  color: var(--muted);
}
@media (max-width: 560px) {
  .bench-pool .bp-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
.bp-curve { margin: 0.5rem 0 0.2rem; }
.bp-curve svg { width: 100%; height: auto; display: block; color: var(--ink-soft); }
.bp-curve text { font-family: var(--mono); font-size: 9px; fill: currentColor; opacity: 0.75; }

/* library simulator row */
.sim-row { flex-wrap: wrap; align-items: center; }
.bench-num.small {
  width: 3.4rem;
  padding: 0.26rem 0.35rem;
  font-size: 0.72rem;
  text-align: center;
}

/* a quiet entry point from the zoo chart */
.bench-jump {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 0.9rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--ink);
  border: 1px solid var(--line);
  padding: 0.4rem 0.7rem;
  background: transparent;
  cursor: pointer;
  text-decoration: none;
}
.bench-jump:hover { border-color: var(--accent); color: var(--accent); }

@media (prefers-reduced-motion: reduce) {
  .bench-tab, .bench-btn, .bench-jump, .bench-textarea { transition: none; }
}

/* a reviewer may print the verdict — give them the verdict, not the UI */
@media print {
  .bench-input, .bench-tabs, .bench-foot, .bench-list { display: none !important; }
  .bench-grid { display: block !important; }
  .bench-pool, .bench-verdict, .bench-read { break-inside: avoid; }
  .bench { border-color: #bbb; }
}

/* ==== upgrade.css ==== */
/* ==========================================================================
   BOAT · in-place upgrade layer
   Loaded AFTER styles.css / viz.css, BEFORE app.js.
   Nothing here replaces an existing rule — it only adds new components in the
   same token system (--mono / --display / --accent / --line / --paper).
   ========================================================================== */

/* ---------------------------------------------------------------- 1. HAA gate */
/* The original hero lets the secondary portrait hang 8% past its column, which
   pushed an 11px horizontal scrollbar at 1200-1400px. Clip at the viewport
   instead of at the section, so the overhang still reads as intentional. */
html { overflow-x: clip; }

.haa-gate {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem 0.6rem;
  margin: 0;
  padding: 0.5rem clamp(1rem, 4vw, 3rem);
  border-bottom: 1px solid var(--line);
  background: var(--paper);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.02em;
  color: var(--ink-soft);
}
.haa-gate b {
  color: var(--ink);
  font-weight: 600;
  letter-spacing: 0.08em;
}
.haa-gate .haa-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
  animation: haaPulse 2.4s ease-in-out infinite;
}
@keyframes haaPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}
.haa-gate .haa-sep { color: var(--muted); }
.haa-gate .haa-note { color: var(--muted); }
.haa-gate .haa-note-short { display: none; color: var(--muted); }
.haa-gate .haa-actions {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}
.haa-gate button,
.haa-gate a {
  font: inherit;
  color: var(--ink);
  background: transparent;
  border: 1px solid var(--line);
  padding: 0.3rem 0.6rem;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.18s ease, border-color 0.18s ease, color 0.18s ease;
}
.haa-gate button:hover,
.haa-gate a:hover {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--ink);
}
.haa-gate .haa-primary {
  border-color: var(--accent);
  color: var(--accent);
}
@media (max-width: 720px) {
  .haa-gate { font-size: 0.66rem; padding: 0.45rem 1rem; }
  .haa-gate .haa-note { display: none; }
  .haa-gate .haa-note-short { display: inline; }
  .haa-gate .haa-sep { display: none; }
  .haa-gate .haa-actions { margin-left: 0; width: 100%; }
}

/* ------------------------------------------------------- 2. live console */
.terminal-block .term-badge {
  margin-left: auto;
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  color: #6dcea8;
  border: 1px solid rgba(109, 206, 168, 0.35);
  padding: 0.1rem 0.4rem;
  line-height: 1.4;
}
.term-shell {
  background: #0a1018;
  display: flex;
  flex-direction: column;
}
.term-out {
  padding: 1rem 1.15rem 0.25rem;
  min-height: 7rem;
  max-height: min(34rem, 68vh);
  overflow-y: auto;
  overscroll-behavior: contain;
  font-family: var(--mono);
  font-size: 0.82rem;
  line-height: 1.6;
  color: #d7e0ea;
  scrollbar-width: thin;
}
.term-out::-webkit-scrollbar { width: 8px; }
.term-out::-webkit-scrollbar-thumb { background: #2a333f; }
.term-line { margin: 0; white-space: pre-wrap; word-break: break-word; }
.term-line.cmd { color: #9ecbff; }
.term-line.ok { color: #6dcea8; }
.term-line.warn { color: #e0894f; }
.term-line.dim { color: #7f8a99; }
.term-line.head { color: #e8eef4; font-weight: 600; }
.term-line a.term-link {
  color: #9ecbff;
  text-decoration: underline;
  text-underline-offset: 2px;
  text-decoration-thickness: 1px;
}
.term-line a.term-link:hover { color: #cfe4ff; }
.term-line.gap { height: 0.55rem; }

/* staggered reveal for an agent run — CSS only, so the whole trace is in the
   DOM the instant it is printed. A JS timer chain would make it unquotable.
   Deliberately transform-only: an opacity ramp would leave the whole run
   invisible wherever animations do not tick (headless, some webviews, a
   stripped stylesheet). Text that can never be hidden is the only safe kind. */
.term-line.term-stage {
  animation: termRise 0.34s cubic-bezier(0.2, 0.7, 0.3, 1) both;
  animation-delay: var(--d, 0ms);
}
@keyframes termRise {
  from { transform: translateY(4px); }
  to { transform: none; }
}
@media (prefers-reduced-motion: reduce) {
  .term-line.term-stage { animation: none; }
}
/* the console is allowed to hand you the next move */
.term-act {
  margin-left: 0.5rem;
  font-family: var(--mono);
  font-size: 0.7rem;
  color: #9ecbff;
  background: rgba(158, 203, 255, 0.08);
  border: 1px solid rgba(158, 203, 255, 0.24);
  border-radius: 3px;
  padding: 0.1rem 0.42rem;
  cursor: pointer;
  vertical-align: baseline;
  transition: background 0.15s ease, border-color 0.15s ease;
}
.term-act:hover { background: rgba(158, 203, 255, 0.18); border-color: rgba(158, 203, 255, 0.5); }
.term-act:focus-visible { outline: 2px solid #9ecbff; outline-offset: 2px; }
.term-form {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 1.15rem 0.8rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  background: #0a1018;
}
.term-ps {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: #6dcea8;
  white-space: nowrap;
  user-select: none;
}
.term-in {
  flex: 1 1 auto;
  min-width: 0;
  background: transparent;
  border: 0;
  outline: 0;
  color: #e8eef4;
  font-family: var(--mono);
  font-size: 0.82rem;
  caret-color: #6dcea8;
}
.term-in::placeholder { color: #5c6675; }
.term-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  padding: 0 1.15rem 0.85rem;
  background: #0a1018;
}
.term-chips button {
  font-family: var(--mono);
  font-size: 0.68rem;
  color: #9ecbff;
  background: rgba(158, 203, 255, 0.07);
  border: 1px solid rgba(158, 203, 255, 0.22);
  padding: 0.22rem 0.5rem;
  cursor: pointer;
  transition: background 0.15s ease;
}
.term-chips button:hover { background: rgba(158, 203, 255, 0.16); }
.term-foot {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  padding: 0 1.15rem 0.75rem;
  font-family: var(--mono);
  font-size: 0.66rem;
  color: #5c6675;
  background: #0a1018;
}
.term-foot .tf-share {
  margin-left: auto;
  font-family: var(--mono);
  font-size: 0.64rem;
  color: #9ecbff;
  background: transparent;
  border: 1px solid rgba(158, 203, 255, 0.28);
  padding: 0.16rem 0.45rem;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease;
}
.term-foot .tf-share:hover { background: rgba(158, 203, 255, 0.14); border-color: rgba(158, 203, 255, 0.55); }

/* the bar has to stay one line on a phone, and the badge is the part that
   carries information — the path label is allowed to ellipsize instead */
@media (max-width: 600px) {
  .terminal-block .terminal-bar { flex-wrap: nowrap; }
  .terminal-block .term-out { font-size: 0.78rem; }
  .terminal-block .term-in { font-size: 0.78rem; }
  .terminal-block .terminal-bar i {
    min-width: 0;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
  }
  .terminal-block .term-badge {
    flex: 0 0 auto;
    white-space: nowrap;
    font-size: 0.56rem;
    letter-spacing: 0.06em;
    padding: 0.1rem 0.35rem;
  }
  .term-foot { gap: 0.35rem; }
  .term-foot .tf-share { margin-left: 0; }
}
.term-foot kbd {
  font-family: var(--mono);
  border: 1px solid #2a333f;
  padding: 0 0.25rem;
  color: #8a93a3;
}

/* a one-line bridge inside the #terminal showcase */
.term-bridge {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1rem;
  padding: 0.7rem 0.9rem;
  border: 1px solid var(--line);
  background: var(--card);
  font-family: var(--mono);
  font-size: 0.76rem;
  color: var(--ink-soft);
}
.term-bridge .tb-prompt { color: var(--accent); }
.term-bridge a {
  margin-left: auto;
  color: var(--ink);
  border-bottom: 1px solid var(--accent);
  text-decoration: none;
  white-space: nowrap;
}
.term-bridge a:hover { color: var(--accent); }

/* --------------------------------------------------- 3. reviewer 60s path */
.path-modal {
  position: fixed;
  inset: 0;
  z-index: 120;
  display: grid;
  place-items: center;
  padding: 1rem;
  background: rgba(6, 9, 13, 0.72);
  backdrop-filter: blur(6px);
}
.path-modal[hidden] { display: none; }
.path-shell {
  width: min(640px, 100%);
  background: var(--paper);
  border: 1px solid var(--line);
  box-shadow: 0 24px 80px var(--shadow);
  display: flex;
  flex-direction: column;
  max-height: min(84vh, 640px);
}
.path-head {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.8rem 1rem;
  border-bottom: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  color: var(--muted);
  text-transform: uppercase;
}
.path-head .ph-count { color: var(--ink); }
.path-close {
  margin-left: auto;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--ink);
  width: 1.9rem;
  height: 1.9rem;
  cursor: pointer;
  font-size: 1rem;
  line-height: 1;
}
.path-close:hover { border-color: var(--accent); color: var(--accent); }
.path-body {
  padding: 1.4rem 1.4rem 0.6rem;
  overflow-y: auto;
}
.path-k {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}
.path-body h3 {
  font-family: var(--display);
  font-size: clamp(1.35rem, 3vw, 1.85rem);
  line-height: 1.15;
  margin: 0.5rem 0 0.6rem;
  letter-spacing: -0.01em;
}
.path-body p {
  margin: 0 0 0.9rem;
  color: var(--ink-soft);
  font-size: 0.95rem;
  line-height: 1.6;
}
.path-body .path-metric {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--muted);
  border-left: 2px solid var(--accent);
  padding-left: 0.6rem;
  margin-bottom: 1rem;
}
.path-jump {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.74rem;
  color: var(--ink);
  border: 1px solid var(--line);
  padding: 0.4rem 0.7rem;
  text-decoration: none;
  cursor: pointer;
  background: transparent;
}
.path-jump:hover { border-color: var(--accent); color: var(--accent); }
.path-foot {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.9rem 1.4rem 1.1rem;
  border-top: 1px solid var(--line);
}
.path-foot button {
  font-family: var(--mono);
  font-size: 0.74rem;
  padding: 0.4rem 0.8rem;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--ink);
  cursor: pointer;
}
.path-foot button:hover { border-color: var(--accent); color: var(--accent); }
.path-dots {
  display: flex;
  gap: 0.3rem;
  margin: 0 auto;
}
.path-dots i {
  width: 6px;
  height: 6px;
  background: var(--line);
  display: block;
}
.path-dots i.on { background: var(--accent); }
@media (max-width: 560px) {
  .path-body { padding: 1.1rem 1rem 0.4rem; }
  .path-foot { padding: 0.8rem 1rem 1rem; }
}

@media (prefers-reduced-motion: reduce) {
  .haa-gate .haa-dot { animation: none; }
}

/* ==== gate.css ==== */
/* ==========================================================================
   05b · Constitution gate — a compiler you can watch run
   Reuses the page tokens; no new palette.
   ========================================================================== */
.gate {
  margin-top: 2.2rem;
  padding-top: 1.6rem;
  border-top: 1px solid var(--line);
}
.gate-head { max-width: 62ch; }
.gate-kicker {
  margin: 0 0 0.5rem;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}
.gate-title {
  margin: 0 0 0.6rem;
  font-family: var(--display);
  font-size: clamp(1.3rem, 2.4vw, 1.75rem);
  line-height: 1.2;
  color: var(--ink);
}
.gate-lede {
  margin: 0 0 1.2rem;
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--ink-soft);
}

.gate-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  gap: 1.2rem;
  align-items: start;
}
.gate-in {
  min-width: 0;
  border: 1px solid var(--line);
  padding: 0.9rem 1rem 1rem;
}
.gate-label {
  display: block;
  margin: 0 0 0.35rem;
  font-family: var(--mono);
  font-size: 0.64rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}
.gate-label + .gate-input { margin-bottom: 0.7rem; }
.gate-input {
  width: 100%;
  box-sizing: border-box;
  font-family: var(--mono);
  font-size: 0.86rem;
  padding: 0.5rem 0.6rem;
  color: var(--ink);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 0;
  outline: 0;
}
.gate-input:focus { border-color: var(--accent); }
.gate-input::placeholder { color: var(--muted); opacity: 0.7; }
.gate-vocab {
  margin: 0 0 0.75rem;
  font-family: var(--mono);
  font-size: 0.6rem;
  line-height: 1.7;
  color: var(--muted);
  word-break: break-word;
}
.gate-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.9rem;
}
.gate-btn {
  font-family: var(--mono);
  font-size: 0.68rem;
  padding: 0.42rem 0.6rem;
  color: var(--ink);
  background: transparent;
  border: 1px solid var(--line);
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease;
}
.gate-btn:hover { border-color: var(--accent); }
.gate-btn.primary {
  border-color: var(--accent);
  background: var(--accent);
  color: var(--paper);
}
.gate-btn.primary:hover { filter: brightness(1.06); }

.gate-out {
  min-width: 0;
  border: 1px solid var(--line);
  padding: 0.9rem 1rem 1rem;
  min-height: 18rem;
}
.gate-verdict {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.15rem 0.7rem;
  align-items: baseline;
  padding: 0.55rem 0.7rem;
  border-left: 2px solid var(--line);
  margin-bottom: 0.8rem;
}
.gate-verdict .gv-k {
  grid-column: 1 / -1;
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}
.gate-verdict b {
  font-family: var(--mono);
  font-size: 0.9rem;
  letter-spacing: 0.02em;
}
.gate-verdict p {
  margin: 0;
  font-size: 0.78rem;
  line-height: 1.5;
  color: var(--ink-soft);
}
.gate-verdict[data-v="admit"] { border-left-color: #2f8f6b; }
.gate-verdict[data-v="admit"] b { color: #2f8f6b; }
.gate-verdict[data-v="flag"] { border-left-color: #b8862b; }
.gate-verdict[data-v="flag"] b { color: #b8862b; }
.gate-verdict[data-v="reject"] { border-left-color: var(--warn); }
.gate-verdict[data-v="reject"] b { color: var(--warn); }

.gate-checks {
  list-style: none;
  margin: 0 0 0.8rem;
  padding: 0;
  font-family: var(--mono);
  font-size: 0.68rem;
}
.gate-checks li {
  display: grid;
  grid-template-columns: 2.1rem 8.5rem minmax(0, 1fr);
  gap: 0.5rem;
  padding: 0.24rem 0;
  border-bottom: 1px dotted var(--line);
  color: var(--ink-soft);
}
.gate-checks li:last-child { border-bottom: 0; }
.gate-checks .gc-id { color: var(--muted); }
.gate-checks .gc-name { color: var(--ink); }
.gate-checks li[data-ok="0"] .gc-id,
.gate-checks li[data-ok="0"] .gc-name { color: var(--warn); }
.gate-checks li[data-flag="1"] .gc-id { color: #b8862b; }
.gate-checks .gc-note { color: var(--muted); word-break: break-word; }

.gate-astlabel {
  margin: 0 0 0.3rem;
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}
.gate-ast {
  margin: 0;
  padding: 0.6rem 0.7rem;
  background: rgba(127, 138, 153, 0.07);
  border: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 0.68rem;
  line-height: 1.5;
  color: var(--ink-soft);
  overflow: auto;
  max-height: 16rem;
}

.gate-funnel { margin-top: 0.9rem; }
.gf-bar {
  display: flex;
  height: 12px;
  border: 1px solid var(--line);
  overflow: hidden;
  margin-bottom: 0.5rem;
}
.gf-bar i { display: block; height: 100%; }
.gf-bar .s-admit { background: #2f8f6b; }
.gf-bar .s-flag { background: #b8862b; }
.gf-bar .s-reject { background: var(--warn); }
.gf-legend {
  display: flex;
  gap: 0.9rem;
  flex-wrap: wrap;
  font-family: var(--mono);
  font-size: 0.64rem;
  color: var(--muted);
  margin-bottom: 0.6rem;
}
.gf-legend b { color: var(--ink); }
.gf-reasons {
  font-family: var(--mono);
  font-size: 0.66rem;
  border-top: 1px solid var(--line);
}
.gf-reasons div {
  display: flex;
  justify-content: space-between;
  gap: 0.6rem;
  padding: 0.22rem 0;
  border-bottom: 1px dotted var(--line);
  color: var(--ink-soft);
}
.gf-reasons b { color: var(--warn); }
.gf-note {
  margin: 0.6rem 0 0;
  font-family: var(--mono);
  font-size: 0.6rem;
  line-height: 1.6;
  color: var(--muted);
}

@media (max-width: 900px) {
  .gate-grid { grid-template-columns: minmax(0, 1fr); }
  .gate-checks li { grid-template-columns: 2.1rem minmax(0, 1fr); }
  .gate-checks .gc-note { grid-column: 2; }
}
@media print {
  .gate-in { display: none; }
}

/* ==== agent.css ==== */
/* ==========================================================================
   BOAT · 00b boat-1 research agent
   --------------------------------------------------------------------------
   A Grok/Meta-class agent surface that runs entirely in this tab. It is not
   a replay: a free-text router extracts parameters and calls the site's own
   instruments (HJ_GATE / HJ_BENCH / the paper's math). Every number it prints
   is either computed here or already printed elsewhere on this page.

   Surfaces consume styles.css tokens only. The trace panel is the one
   deliberate exception: it reuses the theme-independent instrument dark
   (#0a1018 / #d7e0ea / #6dcea8 / #9ecbff) that .terminal already uses.
   ========================================================================== */

.ag-shell {
  position: relative;
  margin-top: 2.2rem;
  background:
    radial-gradient(900px 380px at 12% -10%, var(--accent-soft), transparent 60%),
    var(--paper);
  border: 1px solid var(--line);
  box-shadow: 0 28px 70px var(--shadow);
  overflow: hidden;
}

/* ------------------------------------------------------------------ top bar */
.ag-bar {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: .5rem .7rem;
  padding: .8rem 1.1rem;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--paper) 86%, transparent);
  backdrop-filter: blur(8px);
}

.ag-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft);
  animation: ag-pulse 2.4s ease-in-out infinite;
}

.ag-brand {
  font-family: var(--mono);
  font-size: .92rem;
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--ink);
}

.ag-ver,
.ag-ctx2 {
  font-family: var(--mono);
  font-size: .68rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--muted);
}

.ag-sep {
  width: 1px;
  height: 14px;
  background: var(--line);
}

.ag-ctx {
  font-size: .72rem;
  color: var(--ink-soft);
}

.ag-grow { flex: 1 1 auto; }

.ag-modes {
  display: flex;
  gap: 2px;
  padding: 2px;
  border: 1px solid var(--line);
  background: var(--card);
}

.ag-mode {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--muted);
  font-family: var(--mono);
  font-size: .68rem;
  letter-spacing: .05em;
  text-transform: uppercase;
  padding: .3rem .55rem;
  cursor: pointer;
  transition: color .15s ease, background .15s ease;
}

.ag-mode:hover { color: var(--ink); }

.ag-mode.is-on {
  background: var(--accent-soft);
  color: var(--accent);
}

.ag-think {
  appearance: none;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--muted);
  font-family: var(--mono);
  font-size: .68rem;
  letter-spacing: .05em;
  padding: .32rem .6rem;
  cursor: pointer;
  transition: color .15s ease, border-color .15s ease;
}

.ag-think:hover { color: var(--ink); border-color: var(--accent); }

.ag-think.is-on { color: var(--accent); border-color: color-mix(in srgb, var(--accent) 45%, transparent); }

.ag-status {
  font-family: var(--mono);
  font-size: .68rem;
  letter-spacing: .05em;
  text-transform: uppercase;
  color: var(--muted);
  white-space: nowrap;
}

.ag-status.is-busy { color: var(--accent); }

/* -------------------------------------------------------------- body layout */
.ag-body {
  display: grid;
  grid-template-columns: 208px minmax(0, 1fr) 216px;
  align-items: stretch;
}

.ag-roster {
  border-right: 1px solid var(--line);
  padding: .95rem .85rem 1.1rem;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.ag-roster-h,
.ag-panel-h {
  font-family: var(--mono);
  font-size: .64rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 .55rem;
}

.ag-tool {
  appearance: none;
  border: 0;
  border-left: 3px solid var(--ac, var(--accent));
  background: transparent;
  text-align: left;
  padding: .45rem .55rem;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 1px;
  transition: background .15s ease;
}

.ag-tool:hover { background: var(--accent-soft); }

.ag-tool b {
  font-family: var(--mono);
  font-size: .74rem;
  font-weight: 600;
  color: var(--ink);
}

.ag-tool span {
  font-size: .68rem;
  line-height: 1.35;
  color: var(--muted);
}

.ag-roster-f {
  margin: auto 0 0;
  padding-top: .8rem;
  font-size: .66rem;
  line-height: 1.4;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

/* ------------------------------------------------------------ main + stream */
.ag-main {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.ag-stream {
  flex: 1 1 auto;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 1.1rem 1.15rem 1.3rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  min-height: 340px;
  max-height: clamp(420px, 54vh, 660px);
  scroll-behavior: auto;
}

/* before the first answer the stream is dead space — let the empty state
   and the composer sit at the top of the panel instead of below a gap */
.ag-stream:empty { flex: 0 0 auto; min-height: 0; padding-top: 0; padding-bottom: 0; }

.ag-empty {
  padding: 2.6rem 1.4rem 2.2rem;
  text-align: center;
}

.ag-empty-k {
  font-family: var(--mono);
  font-size: .68rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 .7rem;
}

.ag-empty-t {
  font-family: var(--display);
  font-size: clamp(1.5rem, 3.2vw, 2.1rem);
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0 0 .6rem;
  color: var(--ink);
}

.ag-empty-s {
  max-width: 56ch;
  margin: 0 auto;
  font-size: .92rem;
  line-height: 1.6;
  color: var(--ink-soft);
}

.ag-sugg {
  margin-top: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: .45rem;
}

.ag-sugg-chip {
  appearance: none;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: .72rem;
  padding: .42rem .7rem;
  cursor: pointer;
  text-align: left;
  transition: border-color .15s ease, color .15s ease, background .15s ease;
}

.ag-sugg-chip:hover {
  border-color: var(--accent);
  color: var(--ink);
  background: var(--accent-soft);
}

/* ----------------------------------------------------------------- messages */
.ag-msg {
  display: flex;
  flex-direction: column;
  gap: .5rem;
  max-width: 100%;
  animation: ag-in .35s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.ag-msg-user { align-items: flex-end; }

.ag-msg-who {
  display: flex;
  align-items: center;
  gap: .45rem;
  font-family: var(--mono);
  font-size: .66rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--muted);
}

.ag-msg-who i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--ac, var(--accent));
}

.ag-bubble {
  border: 1px solid var(--line);
  border-left: 3px solid var(--ac, var(--accent));
  background: var(--card);
  padding: .7rem .85rem;
  font-size: .92rem;
  line-height: 1.62;
  color: var(--ink);
  max-width: 62ch;
  overflow-wrap: break-word;
}

.ag-msg-user .ag-bubble {
  border-left: 1px solid var(--line);
  border-right: 3px solid var(--accent);
  background: var(--accent-soft);
}

.ag-sys {
  align-self: center;
  font-family: var(--mono);
  font-size: .68rem;
  letter-spacing: .06em;
  color: var(--muted);
  padding: .2rem .6rem;
  border: 1px dashed var(--line);
}

/* --------------------------------------------------------------- tool trail */
.ag-trace {
  border: 1px solid rgba(215, 224, 234, 0.14);
  background: #0a1018;
  color: #d7e0ea;
  font-family: var(--mono);
  font-size: .74rem;
  max-width: 72ch;
}

.ag-trace-summary {
  display: flex;
  align-items: center;
  gap: .5rem;
  padding: .45rem .7rem;
  cursor: pointer;
  list-style: none;
  color: #9ecbff;
  letter-spacing: .04em;
}

.ag-trace-summary::-webkit-details-marker { display: none; }

.ag-trace-summary::before {
  content: "▸";
  font-size: .68rem;
  color: #6dcea8;
  transition: transform .15s ease;
}

.ag-trace[open] > .ag-trace-summary::before { transform: rotate(90deg); }

.ag-trace-ms { margin-left: auto; color: rgba(215, 224, 234, .55); }

.ag-trace-steps {
  margin: 0;
  padding: 0 0 .45rem;
  list-style: none;
  border-top: 1px solid rgba(215, 224, 234, 0.1);
}

.ag-step {
  display: grid;
  grid-template-columns: 18px minmax(0, 1fr) auto;
  align-items: baseline;
  gap: .5rem;
  padding: .38rem .7rem;
  border-bottom: 1px solid rgba(215, 224, 234, 0.06);
}

.ag-step:last-child { border-bottom: 0; }

.ag-step-ico { color: #6dcea8; font-size: .72rem; }

.ag-step.is-running .ag-step-ico {
  color: #fbbf24;
  animation: ag-blink 1s steps(1) infinite;
}

.ag-step.is-fail .ag-step-ico { color: #e0894f; }

.ag-step-name { color: #d7e0ea; overflow-wrap: break-word; }

.ag-step-name em {
  font-style: normal;
  color: #9ecbff;
}

.ag-step-ms { color: rgba(215, 224, 234, .5); font-size: .68rem; white-space: nowrap; }

.ag-step-detail {
  grid-column: 1 / -1;
  margin: .3rem 0 .1rem;
  padding: .4rem .55rem;
  background: #151b24;
  border-left: 2px solid rgba(215, 224, 234, 0.14);
  color: rgba(215, 224, 234, .82);
  font-size: .7rem;
  line-height: 1.55;
  white-space: pre-wrap;
  overflow-wrap: break-word;
}

/* ----------------------------------------------------------- answer blocks */
.ag-blocks {
  display: flex;
  flex-direction: column;
  gap: .6rem;
  max-width: 72ch;
}

.ag-prose {
  font-size: .92rem;
  line-height: 1.66;
  color: var(--ink);
  overflow-wrap: break-word;
}

.ag-math {
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  background: var(--card-solid);
  padding: .65rem .8rem;
  font-family: var(--mono);
  font-size: .8rem;
  line-height: 1.75;
  color: var(--ink);
  overflow-x: auto;
  white-space: pre;
}

.ag-math b { color: var(--accent); font-weight: 600; }
.ag-math .ag-dim { color: var(--muted); }

.ag-table-wrap {
  border: 1px solid var(--line);
  background: var(--card-solid);
  overflow-x: auto;
}

.ag-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .78rem;
}

.ag-table th {
  font-family: var(--mono);
  font-size: .64rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--muted);
  text-align: left;
  padding: .45rem .6rem;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}

.ag-table td {
  padding: .4rem .6rem;
  border-bottom: 1px solid var(--line);
  color: var(--ink-soft);
  vertical-align: top;
}

.ag-table tr:last-child td { border-bottom: 0; }

.ag-table td.num,
.ag-table th.num {
  font-family: var(--mono);
  text-align: right;
  white-space: nowrap;
}

.ag-table td b { color: var(--ink); font-weight: 600; }
.ag-table .ag-ok { color: #2f8f6b; font-weight: 600; }
.ag-table .ag-flag { color: #b8862b; font-weight: 600; }
.ag-table .ag-no { color: var(--warn); font-weight: 600; }

.ag-kv {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
}

.ag-kv-chip {
  border: 1px solid var(--line);
  background: var(--card-solid);
  padding: .3rem .55rem;
  font-family: var(--mono);
  font-size: .72rem;
  color: var(--ink-soft);
}

.ag-kv-chip b { color: var(--ink); font-weight: 600; }
.ag-kv-chip.is-ok b { color: #2f8f6b; }
.ag-kv-chip.is-warn b { color: #b8862b; }
.ag-kv-chip.is-no b { color: var(--warn); }

.ag-bars {
  display: flex;
  flex-direction: column;
  gap: .3rem;
  border: 1px solid var(--line);
  background: var(--card-solid);
  padding: .65rem .75rem;
}

.ag-bar-row {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr) 52px;
  align-items: center;
  gap: .55rem;
  font-family: var(--mono);
  font-size: .72rem;
  color: var(--ink-soft);
}

.ag-bar-track {
  height: 9px;
  background: color-mix(in srgb, var(--ink) 8%, transparent);
  position: relative;
}

.ag-bar-fill {
  position: absolute;
  inset: 0 auto 0 0;
  background: linear-gradient(90deg, var(--accent), color-mix(in srgb, var(--accent) 55%, transparent));
  width: 0;
  transition: width .5s cubic-bezier(0.22, 1, 0.36, 1);
}

.ag-bar-row.is-cut .ag-bar-fill {
  background: linear-gradient(90deg, var(--warn), color-mix(in srgb, var(--warn) 55%, transparent));
}

.ag-bar-row .ag-bar-n { text-align: right; color: var(--ink); }
.ag-bar-row .ag-bar-d { color: var(--warn); }

.ag-verdict {
  border: 1px solid var(--line);
  border-left: 3px solid #2f8f6b;
  background: var(--accent-soft);
  padding: .6rem .8rem;
  max-width: 72ch;
}

.ag-verdict[data-tone="warn"] { border-left-color: #b8862b; }
.ag-verdict[data-tone="no"] { border-left-color: var(--warn); }

.ag-verdict-h {
  font-family: var(--display);
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--ink);
  margin: 0 0 .2rem;
}

.ag-verdict[data-tone="ok"] .ag-verdict-h { color: #2f8f6b; }
.ag-verdict[data-tone="warn"] .ag-verdict-h { color: #b8862b; }
.ag-verdict[data-tone="no"] .ag-verdict-h { color: var(--warn); }

.ag-verdict-b {
  margin: 0;
  font-size: .86rem;
  line-height: 1.55;
  color: var(--ink-soft);
}

.ag-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
}

.ag-act {
  appearance: none;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: .7rem;
  letter-spacing: .03em;
  padding: .34rem .6rem;
  cursor: pointer;
  transition: border-color .15s ease, color .15s ease, background .15s ease;
}

.ag-act:hover {
  border-color: var(--accent);
  color: var(--ink);
  background: var(--accent-soft);
}

.ag-prov {
  font-family: var(--mono);
  font-size: .66rem;
  letter-spacing: .03em;
  color: var(--muted);
  border-top: 1px dashed var(--line);
  padding-top: .4rem;
  max-width: 72ch;
}

.ag-caret {
  display: inline-block;
  width: 2px;
  height: 1em;
  margin-left: 1px;
  vertical-align: text-bottom;
  background: var(--accent);
  animation: ag-blink 1.06s steps(1) infinite;
}

/* ----------------------------------------------------------------- composer */
.ag-form {
  border-top: 1px solid var(--line);
  background: var(--card);
  padding: .8rem 1.15rem .9rem;
}

.ag-parse {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .35rem;
  margin-bottom: .5rem;
  font-family: var(--mono);
  font-size: .68rem;
  color: var(--muted);
}

.ag-parse-k {
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--accent);
}

.ag-parse-chip {
  border: 1px solid color-mix(in srgb, var(--accent) 40%, transparent);
  background: var(--accent-soft);
  color: var(--ink);
  padding: .18rem .45rem;
}

.ag-parse-chip.is-no {
  border-color: color-mix(in srgb, var(--warn) 45%, transparent);
  color: var(--warn);
}

.ag-row {
  display: flex;
  align-items: flex-end;
  gap: .5rem;
}

.ag-input {
  flex: 1 1 auto;
  min-width: 0;
  resize: none;
  border: 1px solid var(--line);
  background: var(--card-solid);
  color: var(--ink);
  font-family: var(--sans);
  font-size: .92rem;
  line-height: 1.5;
  padding: .6rem .7rem;
  max-height: 8.4em;
  overflow-y: auto;
}

.ag-input:focus {
  outline: none;
  border-color: var(--accent);
}

.ag-input::placeholder { color: var(--muted); opacity: .8; }

.ag-send,
.ag-stop {
  flex: 0 0 auto;
  min-height: 40px;
  padding: .55rem .95rem;
  font-family: var(--mono);
  font-size: .74rem;
  letter-spacing: .04em;
}

.ag-note {
  margin: .55rem 0 0;
  font-family: var(--mono);
  font-size: .66rem;
  letter-spacing: .03em;
  color: var(--muted);
}

/* --------------------------------------------------------------------- rail */
.ag-rail {
  border-left: 1px solid var(--line);
  padding: .95rem .9rem 1.1rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.ag-panel {
  border: 1px solid var(--line);
  background: var(--card);
  padding: .7rem .75rem .75rem;
}

.ag-kv {
  display: flex;
  flex-direction: column;
  gap: .28rem;
}

.ag-kv-row {
  display: flex;
  justify-content: space-between;
  gap: .5rem;
  font-family: var(--mono);
  font-size: .7rem;
  color: var(--muted);
}

.ag-kv-row b { color: var(--ink); font-weight: 600; text-align: right; }
.ag-kv-row.is-ok b { color: #2f8f6b; }

.ag-canon {
  display: flex;
  flex-direction: column;
  gap: .22rem;
  font-family: var(--mono);
  font-size: .7rem;
  color: var(--ink-soft);
}

.ag-canon-row {
  display: flex;
  justify-content: space-between;
  gap: .5rem;
}

.ag-canon-row b { color: var(--ink); font-weight: 600; }
.ag-canon-note {
  margin: .45rem 0 0;
  font-size: .66rem;
  line-height: 1.45;
  color: var(--muted);
}

.ag-jumps {
  display: flex;
  flex-direction: column;
  gap: .35rem;
}

.ag-jumps button {
  appearance: none;
  border: 1px solid var(--line);
  background: var(--card-solid);
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: .7rem;
  text-align: left;
  padding: .42rem .6rem;
  cursor: pointer;
  transition: border-color .15s ease, color .15s ease, background .15s ease;
}

.ag-jumps button:hover {
  border-color: var(--accent);
  color: var(--ink);
  background: var(--accent-soft);
}

.ag-jumps button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

/* --------------------------------------------------------------- animations */
@keyframes ag-in {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: none; }
}

@keyframes ag-pulse {
  0%, 100% { box-shadow: 0 0 0 3px var(--accent-soft); }
  50% { box-shadow: 0 0 0 6px transparent; }
}

@keyframes ag-blink {
  50% { opacity: 0; }
}

.ag-live {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* -------------------------------------------------------------- breakpoints */
@media (max-width: 1180px) {
  .ag-body { grid-template-columns: 180px minmax(0, 1fr) 190px; }
}

@media (max-width: 980px) {
  .ag-body { grid-template-columns: minmax(0, 1fr); }

  .ag-roster {
    border-right: 0;
    border-bottom: 1px solid var(--line);
    flex-direction: row;
    flex-wrap: nowrap;
    overflow-x: auto;
    padding: .7rem .8rem;
    gap: .4rem;
  }

  .ag-roster-h,
  .ag-roster-f { display: none; }

  .ag-tool {
    flex: 0 0 auto;
    min-width: 150px;
    border-left: 0;
    border-top: 3px solid var(--ac, var(--accent));
    border-bottom: 1px solid var(--line);
  }

  .ag-rail {
    border-left: 0;
    border-top: 1px solid var(--line);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: .8rem;
  }

  .ag-rail .ag-panel:last-child { grid-column: 1 / -1; }

  .ag-stream { min-height: 320px; max-height: 400px; }
}

@media (max-width: 640px) {
  .ag-bar { gap: .4rem .55rem; padding: .7rem .8rem; }

  .ag-modes { order: 3; width: 100%; overflow-x: auto; }

  .ag-mode { flex: 0 0 auto; }

  .ag-rail { grid-template-columns: 1fr; }

  .ag-row { flex-wrap: wrap; }

  .ag-input { flex: 1 1 100%; }

  .ag-send,
  .ag-stop { flex: 1 1 auto; }

  .ag-empty { padding: 1.8rem 1rem 1.5rem; }

  .ag-bubble,
  .ag-blocks,
  .ag-verdict,
  .ag-trace,
  .ag-prov { max-width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  .ag-dot,
  .ag-caret,
  .ag-step.is-running .ag-step-ico { animation: none; }

  .ag-msg { animation: none; }

  .ag-bar-fill { transition: none; }
}

/* ------------------------------------------------- BOAT-2 · narration layer */
/* the model's two or three sentences on top of the computed result — it
   interprets what is already on screen, it never adds a number */
.ag-narr {
  margin: 10px 0 0;
  padding: 10px 12px;
  border-left: 2px solid var(--accent);
  background: var(--accent-soft);
  border-radius: 0 8px 8px 0;
}
.ag-narr-t {
  margin: 0;
  font-size: .84rem;
  line-height: 1.75;
  color: var(--ink-2);
}

/* ---------------------------------------------- BOAT-2 · factor workbench */
.ag-wb {
  margin-top: 18px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--paper-2, rgba(255, 255, 255, .02));
}
.ag-wb summary {
  cursor: pointer;
  padding: 12px 14px;
  font: 600 .76rem/1.4 var(--mono);
  letter-spacing: .02em;
  color: var(--ink-2);
  list-style: none;
}
.ag-wb summary::-webkit-details-marker { display: none; }
.ag-wb summary::before {
  content: "+";
  display: inline-block;
  width: 14px;
  color: var(--accent);
  font-weight: 700;
}
.ag-wb[open] summary::before { content: "–"; }
.ag-wb[open] summary { border-bottom: 1px solid var(--line); }
.ag-wb-p {
  margin: 12px 14px 8px;
  font-size: .78rem;
  color: var(--ink-3);
  line-height: 1.65;
}
.ag-wb-ta {
  display: block;
  width: calc(100% - 28px);
  margin: 0 14px;
  background: var(--bg, #0d1420);
  color: var(--ink-1);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 12px;
  font: .76rem/1.6 var(--mono);
  resize: vertical;
}
.ag-wb-ta:focus { outline: 1px solid var(--accent); }
.ag-wb-row {
  display: flex;
  gap: 10px;
  align-items: center;
  padding: 10px 14px 14px;
  flex-wrap: wrap;
}
.ag-wb-note {
  font: .68rem/1.4 var(--mono);
  color: var(--ink-3);
}

/* ==== ml.css ==== */
/* ==========================================================================
   BOAT · 04c learning bench charts
   --------------------------------------------------------------------------
   Inline SVG charts the agent streams into its answers: the factor series,
   the logistic loss curve, and the placebo null distribution. Everything
   consumes styles.css tokens and the message's own --ac lane colour, so the
   charts follow light/dark and the intent that produced them.
   ========================================================================== */

.agc-chart {
  margin: .55rem 0 .2rem;
  padding: .5rem .65rem .3rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: color-mix(in srgb, var(--ink) 3%, transparent);
  overflow: hidden;
}

.agc-cap {
  margin: 0 0 .3rem;
  font-family: var(--mono);
  font-size: .64rem;
  letter-spacing: .02em;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.agc-svg {
  display: block;
  width: 100%;
  height: auto;
}

/* line chart ------------------------------------------------------------- */
.agc-grid {
  stroke: var(--line);
  stroke-width: 1;
}
.agc-area {
  fill: color-mix(in srgb, var(--ac, var(--accent)) 12%, transparent);
  stroke: none;
}
.agc-line {
  fill: none;
  stroke: var(--ac, var(--accent));
  stroke-width: 1.6;
  stroke-linejoin: round;
  stroke-linecap: round;
}
.agc-pt {
  fill: var(--ac, var(--accent));
}

/* histogram -------------------------------------------------------------- */
.agc-axisline {
  stroke: var(--line);
  stroke-width: 1;
}
.agc-bar {
  fill: color-mix(in srgb, var(--ac, var(--accent)) 52%, transparent);
  stroke: none;
}
.agc-screen {
  stroke: var(--muted);
  stroke-width: 1;
  stroke-dasharray: 3 3;
}
.agc-real {
  stroke: var(--warn);
  stroke-width: 1.6;
}
.agc-axis {
  fill: var(--muted);
  font-family: var(--mono);
  font-size: 9px;
}
.agc-real-t {
  fill: var(--warn);
  font-weight: 600;
}

/* narrow screens: the charts keep their aspect, they just get shorter */
@media (max-width: 640px) {
  .agc-chart { padding: .45rem .5rem .25rem; }
  .agc-cap { font-size: .6rem; }
}

/* ==== llm.css ==== */
/* ==========================================================================
   BOAT · 00b the brain — chip, settings panel, streamed markdown answers
   --------------------------------------------------------------------------
   Consumes styles.css tokens only. The panel is a dropdown anchored inside
   the agent shell (position: relative), so it overlays the stream without
   disturbing layout. The markdown answer area reuses the agent's prose
   metrics so a model answer and an instrument answer read as one voice.
   ========================================================================== */

/* ------------------------------------------------------------------- chip */
.ag-brain {
  appearance: none;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--muted);
  font-family: var(--mono);
  font-size: .68rem;
  letter-spacing: .05em;
  padding: .32rem .6rem;
  cursor: pointer;
  white-space: nowrap;
  transition: color .15s ease, border-color .15s ease, background .15s ease;
}

.ag-brain:hover { color: var(--ink); border-color: var(--accent); }

.ag-brain.is-on {
  color: var(--accent);
  border-color: color-mix(in srgb, var(--accent) 55%, transparent);
  background: var(--accent-soft);
}

.ag-brain.is-on::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-right: .45em;
  border-radius: 50%;
  background: var(--accent);
  vertical-align: 1px;
}

/* ------------------------------------------------------------------ panel */
.ag-brain-panel {
  position: absolute;
  top: 3.4rem;
  right: 1.1rem;
  z-index: 40;
  width: min(24rem, calc(100% - 2.2rem));
  max-height: min(32rem, 70vh);
  overflow-y: auto;
  padding: 1rem 1.1rem 1.1rem;
  background: var(--paper);
  border: 1px solid var(--line);
  box-shadow: 0 24px 60px var(--shadow);
  display: flex;
  flex-direction: column;
  gap: .8rem;
}

.ag-brain-panel[hidden] { display: none; }

.ag-bp-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.ag-bp-head strong {
  font-family: var(--mono);
  font-size: .82rem;
  letter-spacing: .04em;
  color: var(--ink);
}

.ag-bp-x {
  appearance: none;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--muted);
  font-family: var(--mono);
  font-size: .66rem;
  letter-spacing: .05em;
  padding: .22rem .5rem;
  cursor: pointer;
}

.ag-bp-x:hover { color: var(--ink); border-color: var(--accent); }

.ag-bp-lead,
.ag-bp-note,
.ag-bp-gpu,
.ag-bp-weights {
  font-size: .78rem;
  line-height: 1.55;
  color: var(--muted);
  margin: 0;
}
.ag-bp-weights {
  margin-top: .4rem;
  padding-top: .4rem;
  border-top: 1px dashed var(--line);
}

.ag-bp-note {
  padding-top: .7rem;
  border-top: 1px dashed var(--line);
}

/* ------------------------------------------------------------ providers */
.ag-bp-provs {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.ag-bp-prov {
  display: flex;
  align-items: center;
  gap: .55rem;
  padding: .38rem .5rem;
  font-size: .8rem;
  color: var(--ink-soft);
  cursor: pointer;
  border: 1px solid transparent;
}

.ag-bp-prov:hover { background: var(--accent-soft); color: var(--ink); }

.ag-bp-prov input { accent-color: var(--accent); margin: 0; }

.ag-bp-prov:has(input:checked) {
  border-color: color-mix(in srgb, var(--accent) 45%, transparent);
  background: var(--accent-soft);
  color: var(--ink);
}

.ag-bp-byok,
.ag-bp-local {
  display: flex;
  flex-direction: column;
  gap: .6rem;
  padding: .7rem .75rem;
  border: 1px solid var(--line);
  background: var(--card);
}

.ag-bp-byok[hidden], .ag-bp-local[hidden] { display: none; }

.ag-bp-custom {
  display: flex;
  flex-direction: column;
  gap: .6rem;
}

.ag-bp-custom[hidden] { display: none; }

.ag-bp-field {
  display: flex;
  flex-direction: column;
  gap: .3rem;
  font-size: .72rem;
  color: var(--muted);
  font-family: var(--mono);
  letter-spacing: .04em;
}

.ag-bp-field input,
.ag-bp-field select {
  appearance: none;
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--mono);
  font-size: .78rem;
  padding: .42rem .55rem;
  border-radius: 0;
}

.ag-bp-field input:focus,
.ag-bp-field select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

/* --------------------------------------------------------------- loading */
.ag-bp-loadrow {
  display: flex;
  align-items: center;
  gap: .6rem;
  flex-wrap: wrap;
}

.ag-bp-load {
  appearance: none;
  border: 1px solid var(--accent);
  background: var(--accent-soft);
  color: var(--accent);
  font-family: var(--mono);
  font-size: .7rem;
  letter-spacing: .05em;
  padding: .35rem .7rem;
  cursor: pointer;
}

.ag-bp-load:disabled { opacity: .55; cursor: wait; }

.ag-bp-prog {
  flex: 1 1 6rem;
  height: 6px;
  min-width: 4rem;
  background: var(--line);
  overflow: hidden;
}

.ag-bp-prog[hidden] { display: none; }

.ag-bp-prog-fill {
  height: 100%;
  width: 0;
  background: var(--accent);
  transition: width .25s ease;
}

.ag-bp-prog-t {
  font-family: var(--mono);
  font-size: .68rem;
  color: var(--muted);
}

.ag-bp-clear {
  appearance: none;
  align-self: flex-start;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  font-family: var(--mono);
  font-size: .68rem;
  letter-spacing: .05em;
  padding: .32rem .6rem;
  cursor: pointer;
}

.ag-bp-clear:hover { color: var(--warn); border-color: var(--warn); }

/* ------------------------------------------------- streamed md answers */
.ag-md p { margin: 0 0 .55em; }
.ag-md p:last-child { margin-bottom: 0; }

.ag-md-p { color: var(--ink-soft); }

.ag-md-h {
  font-family: var(--mono);
  font-size: .76rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--accent);
  margin: .7em 0 .35em;
}

.ag-md-ul {
  margin: 0 0 .55em;
  padding-left: 1.1rem;
  color: var(--ink-soft);
}

.ag-md-ul li { margin: 0 0 .25em; }

.ag-md code {
  font-family: var(--mono);
  font-size: .86em;
  padding: .08em .32em;
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  color: var(--ink);
  word-break: break-all;
}

.ag-md b { color: var(--ink); }

/* the model's badge next to boat-1 — which brain answered */
.ag-msg-tag {
  margin-left: .5rem;
  padding: .1rem .4rem;
  font-family: var(--mono);
  font-size: .62rem;
  letter-spacing: .05em;
  text-transform: uppercase;
  color: var(--muted);
  border: 1px solid var(--line);
  background: var(--card);
  vertical-align: 1px;
}

/* parse echo chip for "→ the model" */
.ag-parse-chip.is-brain {
  color: var(--accent);
  border-color: color-mix(in srgb, var(--accent) 45%, transparent);
  background: var(--accent-soft);
}

/* ------------------------------------------------------------- narrow */
@media (max-width: 640px) {
  .ag-brain-panel {
    top: auto;
    right: .6rem;
    left: .6rem;
    width: auto;
    margin-top: .5rem;
  }
  .ag-msg-tag { display: none; }
}

/* ==== council.css ==== */
/* ==========================================================================
   BOAT · 00b council — the parliament card
   Terminal-dark by design, same surface language as .ag-trace: the council
   is a panel of the engine, not a page section. Persona accent comes from
   the inline --ac each row carries; stance colors are fixed terminal hues.
   ========================================================================== */
.ag-council {
  --c-bg: #0a1018;
  --c-ink: #d7e0ea;
  --c-dim: rgba(215, 224, 234, .55);
  --c-line: rgba(215, 224, 234, .14);
  --c-ok: #6dcea8;
  --c-warn: #f0b429;
  --c-no: #e26d5a;
  --c-revive: #a78bfa;
  --c-idle: #7c8a9c;
  border: 1px solid var(--c-line);
  background: var(--c-bg);
  color: var(--c-ink);
  font-family: var(--mono);
  border-radius: 10px;
  max-width: 76ch;
  overflow: hidden;
}

.ag-council-h {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: .45rem .7rem;
  padding: .6rem .8rem;
  border-bottom: 1px solid var(--c-line);
  background: rgba(215, 224, 234, .03);
}
.ag-council-t {
  font-size: .68rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--c-ok);
}
.ag-council-q {
  font-size: .78rem;
  color: var(--c-ink);
  word-break: break-all;
}
.ag-council-n {
  margin-left: auto;
  font-size: .66rem;
  color: var(--c-dim);
}

.ag-council-rows { padding: .35rem .8rem .5rem; }

.ag-c-persona {
  border-left: 2px solid var(--ac, var(--c-idle));
  padding: .5rem 0 .5rem .7rem;
  border-bottom: 1px dashed rgba(215, 224, 234, .08);
}
.ag-c-persona:last-child { border-bottom: 0; }

.ag-c-p-top {
  display: flex;
  align-items: baseline;
  gap: .5rem;
  flex-wrap: wrap;
}
.ag-c-p-name { font-size: .8rem; font-weight: 600; }
.ag-c-p-role { font-size: .66rem; color: var(--c-dim); }
.ag-c-p-chip {
  font-size: .62rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: .1rem .4rem;
  border-radius: 999px;
  border: 1px solid currentColor;
}
.ag-c-p-chip.is-admit, .ag-c-p-chip.is-adjudicates { color: var(--c-ok); }
.ag-c-p-chip.is-revive { color: var(--c-revive); }
.ag-c-p-chip.is-watch { color: var(--c-warn); }
.ag-c-p-chip.is-reject { color: var(--c-no); }
.ag-c-p-chip.is-abstain { color: var(--c-idle); }
.ag-c-p-score {
  margin-left: auto;
  font-size: .82rem;
  font-variant-numeric: tabular-nums;
  color: var(--c-ink);
}

.ag-c-p-bar {
  height: 3px;
  margin: .35rem 0 .4rem;
  background: rgba(215, 224, 234, .1);
  border-radius: 2px;
  overflow: hidden;
}
.ag-c-p-fill {
  height: 100%;
  width: 0;
  background: var(--ac, var(--c-idle));
  transition: width .5s cubic-bezier(.2, .7, .2, 1);
}

.ag-c-p-reason {
  font-size: .74rem;
  line-height: 1.55;
  color: rgba(215, 224, 234, .82);
}

.ag-c-p-speech {
  margin-top: .4rem;
  padding: .4rem .55rem;
  border-left: 2px solid var(--c-revive);
  background: rgba(167, 139, 250, .06);
  border-radius: 0 6px 6px 0;
  font-size: .74rem;
  line-height: 1.6;
}
.ag-c-p-speech[hidden] { display: none; }
.ag-c-p-tag {
  display: none;
  font-size: .6rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--c-revive);
  margin-bottom: .2rem;
}
.ag-c-p-speech.is-model .ag-c-p-tag { display: block; }
.ag-c-p-speech.is-live .ag-c-p-tag {
  display: block;
  color: var(--c-dim);
}
.ag-c-p-speech.is-live .ag-c-p-speech-b::after {
  content: "▌";
  color: var(--c-revive);
  animation: ag-c-blink 1s steps(2) infinite;
}
@keyframes ag-c-blink { 50% { opacity: 0; } }

.ag-c-verdict {
  display: flex;
  gap: .8rem;
  align-items: flex-start;
  padding: .7rem .8rem;
  border-top: 1px solid var(--c-line);
  background: rgba(215, 224, 234, .03);
}
.ag-c-verdict.is-admit { box-shadow: inset 3px 0 0 var(--c-ok); }
.ag-c-verdict.is-revive { box-shadow: inset 3px 0 0 var(--c-revive); }
.ag-c-verdict.is-watch { box-shadow: inset 3px 0 0 var(--c-warn); }
.ag-c-verdict.is-reject { box-shadow: inset 3px 0 0 var(--c-no); }
.ag-c-v-score {
  font-size: 1.9rem;
  font-weight: 600;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  color: var(--c-ink);
}
.ag-c-v-text { min-width: 0; }
.ag-c-v-h { font-size: .82rem; font-weight: 600; }
.ag-c-v-b { font-size: .74rem; line-height: 1.55; color: rgba(215, 224, 234, .82); margin-top: .2rem; }
.ag-c-v-plain {
  font-size: .74rem;
  line-height: 1.5;
  color: var(--c-ok);
  margin-top: .35rem;
  padding-top: .35rem;
  border-top: 1px dashed rgba(215, 224, 234, .12);
}
.ag-c-v-cap { font-size: .66rem; color: var(--c-dim); margin-top: .35rem; }

/* the captain's speech lives in the verdict bar */
.ag-c-v-speech {
  margin-top: .45rem;
  padding: .4rem .55rem;
  border-left: 2px solid var(--c-ok);
  background: rgba(109, 206, 168, .06);
  border-radius: 0 6px 6px 0;
  font-size: .74rem;
  line-height: 1.6;
}
.ag-c-v-speech[hidden] { display: none; }
.ag-c-v-speech .ag-c-p-tag { color: var(--c-ok); }
.ag-c-v-speech.is-model .ag-c-p-tag { display: block; }
.ag-c-v-speech.is-live .ag-c-p-tag { display: block; color: var(--c-dim); }
.ag-c-v-speech.is-live .ag-c-p-speech-b::after {
  content: "▌";
  color: var(--c-ok);
  animation: ag-c-blink 1s steps(2) infinite;
}

/* the plain-language line every verdict carries when 说人话 is on */
.ag-verdict-plain {
  font-size: .78rem;
  line-height: 1.5;
  color: var(--accent);
  margin-top: .35rem;
  padding-top: .35rem;
  border-top: 1px dashed var(--line);
}

@media (max-width: 640px) {
  .ag-council { max-width: 100%; }
  .ag-council-n { margin-left: 0; width: 100%; }
  .ag-c-v-score { font-size: 1.5rem; }
}

@media (prefers-reduced-motion: reduce) {
  .ag-c-p-fill { transition: none; }
  .ag-c-p-speech.is-live .ag-c-p-speech-b::after { animation: none; }
}

/* --------------------------------------------------- 00a · Why H panel */
.whyh-cta { box-shadow: 0 0 0 1px var(--accent) inset, 0 10px 30px -12px var(--accent); }
.whyh-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.1rem;
  margin: 1.6rem 0 1.2rem;
}
.whyh-card {
  position: relative;
  padding: 1.15rem 1.15rem 1rem;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 12px;
}
.whyh-no {
  display: inline-block;
  font: 700 .72rem/1 var(--mono);
  letter-spacing: .12em;
  color: var(--accent);
  margin-bottom: .55rem;
}
.whyh-card h3 { margin: 0 0 .5rem; font: 600 1.02rem/1.3 var(--display); }
.whyh-card p { margin: 0 0 .6rem; font-size: .84rem; line-height: 1.65; color: var(--ink-2); }
.whyh-card code { font: .78rem/1 var(--mono); color: var(--accent); }
.whyh-joke {
  padding-top: .55rem;
  border-top: 1px dashed var(--line);
  font-style: italic;
  color: var(--ink-3) !important;
  font-size: .8rem !important;
}
.whyh-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem .9rem;
  padding: .85rem 1rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--accent-soft);
  font: .78rem/1.4 var(--mono);
  color: var(--ink-2);
}
.whyh-strip a { color: var(--accent); text-decoration: none; border-bottom: 1px solid currentColor; }
.whyh-strip-l { font-weight: 700; letter-spacing: .02em; }
.whyh-strip-end { margin-left: auto; color: var(--ink-3); }