/* Layout: a 3D-viewport hero (canvas + HUD + planner log) over a quiet 12-col reading column;
   every section is keyed to the paper's own section / figure / table numbers. */
:root {
  color-scheme: dark;
  /* color — taken from the project icon */
  --bg: #0b1220;          /* viewport navy */
  --bg-raised: #0f1a2e;   /* panels, chart surface */
  --bg-sunk: #08101c;
  --line: rgba(148, 170, 210, 0.16);
  --line-strong: rgba(148, 170, 210, 0.30);
  --ink: #e6ecf6;
  --ink-2: #aab6cb;
  --ink-3: #7d8aa3;
  --teal: #2dd4bf;        /* LaP Planner, "ours" */
  --teal-mark: #0fa697;   /* chart mark step (validated on --bg-raised) */
  --violet: #a78bfa;      /* Perceiver */
  --violet-mark: #8b5cf6;
  --amber: #f5a524;       /* actions */
  --amber-mark: #d97706;
  --bad: #f87171;         /* collisions / violations */
  --good: #34d399;
  --muted-mark: #475569;  /* de-emphasised baselines */
  --paper: #f8fafc;       /* plates behind paper figures */

  /* type */
  --f-display: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --f-body: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --f-mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  --fs-0: 0.8125rem;  /* 13 */
  --fs-1: 1rem;       /* 16 */
  --fs-2: 1.0625rem;  /* 17 body */
  --fs-3: 1.25rem;    /* 20 */
  --fs-4: clamp(1.75rem, 1.2rem + 2.2vw, 2.6rem);
  --fs-5: clamp(2.6rem, 1.4rem + 5.6vw, 5.6rem);

  --wrap: 1180px;
  --gutter: clamp(16px, 4vw, 40px);
  --radius: 12px;
  --topbar-h: 60px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--topbar-h) + 16px); -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 400 var(--fs-2)/1.65 var(--f-body);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, video, canvas, svg { max-width: 100%; display: block; }
a { color: var(--teal); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: #7ff0e0; }
:focus-visible { outline: 2px solid var(--amber); outline-offset: 3px; border-radius: 4px; }
::selection { background: rgba(45, 212, 191, 0.35); color: #fff; }
code, kbd, pre { font-family: var(--f-mono); }
[hidden] { display: none !important; }

.skip-link { position: absolute; left: -9999px; top: 8px; z-index: 100; background: var(--amber); color: #111; padding: 8px 12px; border-radius: 6px; }
.skip-link:focus { left: 12px; }

.wrap { width: 100%; max-width: calc(var(--wrap) + 2 * var(--gutter)); margin-inline: auto; padding-inline: var(--gutter); }

/* ───────────── top bar ───────────── */
.topbar {
  position: sticky; top: env(safe-area-inset-top, 0px); z-index: 50;
  background: rgba(11, 18, 32, 0.78);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid var(--line);
}
.topbar-inner { display: flex; align-items: center; gap: 24px; height: var(--topbar-h); }
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font: 700 15px/1 var(--f-display); font-stretch: 112%; letter-spacing: 0.01em; white-space: nowrap; }
.brand img { width: 28px; height: 28px; border-radius: 7px; }
.brand:hover { color: var(--ink); }
.nav { display: flex; gap: 2px; margin-left: auto; overflow-x: auto; scrollbar-width: none; }
.nav::-webkit-scrollbar { display: none; }
.nav a { color: var(--ink-2); text-decoration: none; font: 500 13px/1 var(--f-mono); padding: 8px 10px; border-radius: 6px; white-space: nowrap; }
.nav a:hover, .nav a.is-active { color: var(--ink); background: rgba(148, 170, 210, 0.10); }
.nav a.is-active { color: var(--teal); }
.topbar-cta { display: flex; gap: 8px; }
.progress { position: absolute; left: 0; bottom: -1px; height: 2px; width: 100%; transform-origin: 0 50%; transform: scaleX(0); background: linear-gradient(90deg, var(--violet), var(--teal) 55%, var(--amber)); }
@media (max-width: 1180px) { .nav { display: none; } .topbar-cta { margin-left: auto; } }
@media (max-width: 420px) { .brand span { display: none; } }

/* ───────────── buttons ───────────── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  height: 40px; padding: 0 16px; border-radius: 9px;
  font: 600 14px/1 var(--f-body); text-decoration: none; white-space: nowrap;
  border: 1px solid var(--line-strong); color: var(--ink); background: rgba(148, 170, 210, 0.06);
  transition: background .2s, border-color .2s, transform .2s, color .2s;
  cursor: pointer;
}
.btn svg { width: 17px; height: 17px; flex: none; }
.btn:hover { color: #fff; border-color: rgba(148, 170, 210, 0.5); background: rgba(148, 170, 210, 0.12); transform: translateY(-1px); }
.btn--primary { background: var(--teal); color: #052421; border-color: transparent; }
.btn--primary:hover { background: #5eead4; color: #052421; border-color: transparent; }
.btn--sm { height: 34px; padding: 0 12px; font-size: 13px; }
.btn--ghost { background: transparent; }
@media (max-width: 560px) { .topbar-cta .btn--sm span { display: none; } .topbar-cta .btn--sm { padding: 0 10px; } }

/* ───────────── hero ───────────── */
.hero { position: relative; padding-block: clamp(36px, 6vw, 72px) clamp(32px, 5vw, 56px); isolation: isolate; }
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background:
    radial-gradient(900px 480px at 78% 20%, rgba(45, 212, 191, 0.10), transparent 70%),
    radial-gradient(700px 420px at 8% 0%, rgba(167, 139, 250, 0.10), transparent 70%),
    linear-gradient(var(--line) 1px, transparent 1px) 0 0 / 48px 48px,
    linear-gradient(90deg, var(--line) 1px, transparent 1px) 0 0 / 48px 48px;
  -webkit-mask-image: linear-gradient(#000 40%, transparent);
  mask-image: linear-gradient(#000 40%, transparent);
  opacity: .9;
}
.hero-grid { display: grid; grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr); gap: clamp(28px, 4vw, 56px); align-items: center; }
@media (max-width: 980px) { .hero-grid { grid-template-columns: minmax(0, 1fr); } }

.eyebrow { font: 500 12px/1.4 var(--f-mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-3); margin: 0 0 18px; display: flex; flex-wrap: wrap; gap: 6px 14px; }
.eyebrow b { color: var(--ink-2); font-weight: 500; }
.eyebrow { align-items: center; }
.venue { display: inline-flex; align-items: center; gap: 7px; padding: 6px 11px 6px 9px; border-radius: 999px; background: var(--teal); color: #06231f; font-weight: 600; letter-spacing: 0.06em; box-shadow: 0 0 0 4px rgba(45, 212, 191, 0.14); }
.venue i { width: 7px; height: 7px; border-radius: 50%; background: #06231f; }

.title { margin: 0; font-family: var(--f-display); font-weight: 800; font-stretch: 118%; font-size: var(--fs-5); line-height: 0.92; letter-spacing: -0.02em; text-wrap: balance; }
.title .t-perceive { color: var(--violet); }
.title .t-then { color: var(--ink-3); font-weight: 500; font-stretch: 100%; letter-spacing: -0.01em; }
.title .t-plan { color: var(--teal); }
.title .t-line { display: block; }
.subtitle { margin: 18px 0 0; font: 600 var(--fs-3)/1.35 var(--f-display); font-stretch: 105%; color: var(--ink); max-width: 30ch; text-wrap: balance; }
.subtitle em { font-style: normal; color: var(--amber); }

.authors { list-style: none; padding: 0; margin: 26px 0 0; display: flex; flex-wrap: wrap; gap: 4px 20px; font-size: var(--fs-3); font-weight: 500; }
.authors a { color: var(--ink); text-decoration: none; border-bottom: 1px solid var(--line-strong); }
.authors a:hover { color: var(--teal); border-color: var(--teal); }
.affil { margin: 6px 0 0; color: var(--ink-2); font-size: var(--fs-1); display: flex; align-items: center; gap: 8px; }
.affil::before { content: ""; width: 8px; height: 8px; border-radius: 2px; background: #00693e; box-shadow: 0 0 0 2px rgba(0, 105, 62, 0.35); }
.cta { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }

/* viewport: refinement video on a paper plate, input photo inset */
.viewport { margin: 0; min-width: 0; }
.vp-frame {
  position: relative; aspect-ratio: 1 / 1; width: 100%; max-width: 600px; margin-inline: auto;
  border-radius: 18px; overflow: hidden; background: var(--paper);
  border: 1px solid var(--line-strong);
  box-shadow: 0 0 0 6px rgba(15, 26, 46, 0.9), 0 0 0 7px var(--line), 0 40px 90px -30px rgba(0, 0, 0, 0.85);
}
.vp-frame video { width: 100%; height: 100%; object-fit: contain; }
.vp-inset {
  position: absolute; left: 12px; bottom: 12px; width: 36%; margin: 0;
  border-radius: 10px; overflow: hidden; border: 3px solid var(--bg);
  box-shadow: 0 14px 30px -10px rgba(0, 0, 0, 0.6);
}
.vp-inset img { width: 100%; height: auto; aspect-ratio: 730 / 530; object-fit: cover; }
.vp-tag {
  position: absolute; display: inline-flex; align-items: center; gap: 7px;
  padding: 6px 9px; border-radius: 8px; background: rgba(11, 18, 32, 0.86); color: var(--ink);
  font: 500 10.5px/1 var(--f-mono); letter-spacing: 0.08em; text-transform: uppercase; pointer-events: none;
}
.vp-tag--tl { left: 12px; top: 12px; }
.vp-tag--tr { right: 12px; top: 12px; color: var(--ink-2); }
.vp-tag i { width: 6px; height: 6px; border-radius: 50%; background: var(--teal); box-shadow: 0 0 8px var(--teal); }
.vp-tag.is-paused i { background: var(--ink-3); box-shadow: none; }
.vp-inset .vp-tag { left: 6px; top: 6px; padding: 4px 6px; font-size: 9.5px; }
.vp-objs { position: absolute; right: 12px; bottom: 12px; max-width: 55%; display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 4px; pointer-events: none; }
.vp-objs span { padding: 4px 7px; border-radius: 6px; background: rgba(11, 18, 32, 0.78); color: var(--ink-2); font: 500 10.5px/1 var(--f-mono); }
@media (max-width: 560px) { .vp-objs { display: none; } .vp-inset { width: 42%; } }

.vp-controls { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 8px; margin-top: 18px; }
.seg { display: inline-flex; padding: 3px; border-radius: 10px; background: var(--bg-raised); border: 1px solid var(--line); gap: 2px; flex-wrap: wrap; }
.seg button {
  font: 500 12px/1 var(--f-mono); color: var(--ink-2); background: transparent; border: 0; border-radius: 7px;
  padding: 9px 11px; cursor: pointer; white-space: nowrap;
}
.seg button:hover { color: var(--ink); background: rgba(148, 170, 210, 0.08); }
.seg button[aria-pressed="true"], .seg button[aria-selected="true"] { color: #06231f; background: var(--teal); }
.iconbtn { width: 36px; height: 36px; display: inline-grid; place-items: center; border-radius: 9px; border: 1px solid var(--line); background: var(--bg-raised); color: var(--ink); cursor: pointer; }
.iconbtn:hover { border-color: var(--line-strong); }
.iconbtn svg { width: 16px; height: 16px; }
.vp-caption { margin: 12px auto 0; max-width: 600px; text-align: center; font-size: var(--fs-0); color: var(--ink-3); line-height: 1.5; }
.vp-caption b { color: var(--ink-2); font-weight: 500; }

/* ───────────── headline numbers ───────────── */
.headline { border-block: 1px solid var(--line); background: linear-gradient(180deg, rgba(15, 26, 46, 0.6), rgba(11, 18, 32, 0)); }
.headline-inner { display: grid; grid-template-columns: minmax(0, 1.1fr) repeat(4, minmax(0, 1fr)); gap: 0; }
.tldr { padding: 26px 28px 26px 0; margin: 0; font-size: var(--fs-1); color: var(--ink-2); line-height: 1.55; }
.tldr strong { color: var(--ink); font-weight: 600; }
.tldr .k { display: block; font: 500 11px/1 var(--f-mono); letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 10px; }
.stat { padding: 26px 22px; border-left: 1px solid var(--line); display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.stat-v { font: 800 clamp(2rem, 1.4rem + 1.6vw, 2.75rem)/1 var(--f-display); font-stretch: 112%; letter-spacing: -0.02em; color: var(--ink); }
.stat-v small { font-size: 0.5em; font-weight: 700; color: var(--ink-2); margin-left: 2px; }
.stat-l { font: 600 13px/1.3 var(--f-body); color: var(--ink); }
.stat-d { font-size: 12.5px; color: var(--ink-3); line-height: 1.45; }
.stat-d b { color: var(--ink-2); font-weight: 500; font-variant-numeric: tabular-nums; }
.stat .bar { height: 3px; border-radius: 2px; background: rgba(148, 170, 210, 0.14); overflow: hidden; margin-top: 4px; }
.stat .bar span { display: block; height: 100%; border-radius: 2px; background: var(--teal); }
.stat--perc .bar span { background: var(--violet); }
@media (max-width: 1080px) {
  .headline-inner { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .tldr { grid-column: 1 / -1; padding: 24px 0 8px; }
  .stat { border-left: 0; border-top: 1px solid var(--line); padding: 20px 16px 20px 0; }
  .stat:nth-of-type(even) { padding-left: 16px; border-left: 1px solid var(--line); }
}

/* ───────────── sections ───────────── */
.section { padding-block: clamp(56px, 8vw, 104px) 0; }
.section:last-of-type { padding-bottom: clamp(56px, 8vw, 104px); }
.sec-head { display: grid; grid-template-columns: minmax(0, 220px) minmax(0, 1fr); gap: 12px clamp(20px, 4vw, 48px); margin-bottom: clamp(24px, 3.5vw, 40px); }
.sec-ref { font: 500 12px/1.5 var(--f-mono); letter-spacing: 0.06em; color: var(--ink-3); text-transform: uppercase; padding-top: 10px; }
.sec-ref span { display: block; color: var(--ink-2); }
.sec-title { margin: 0; font: 750 var(--fs-4)/1.08 var(--f-display); font-stretch: 112%; letter-spacing: -0.015em; text-wrap: balance; }
.sec-lead { margin: 14px 0 0; color: var(--ink-2); max-width: 68ch; }
.sec-lead strong { color: var(--ink); font-weight: 600; }
@media (max-width: 820px) { .sec-head { grid-template-columns: minmax(0, 1fr); } .sec-ref { padding-top: 0; } }

.prose { max-width: 70ch; color: var(--ink-2); }
.prose p { margin: 0 0 1em; }
.prose strong { color: var(--ink); font-weight: 600; }
.hl-p { color: var(--violet); font-weight: 600; }
.hl-l { color: var(--teal); font-weight: 600; }
.hl-a { color: var(--amber); font-weight: 600; }

/* figure plates */
.plate { margin: 0; }
.plate-img {
  position: relative; display: block; width: 100%; padding: clamp(10px, 1.6vw, 20px);
  background: var(--paper); border-radius: var(--radius); border: 0; cursor: zoom-in;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.06), 0 24px 60px -32px rgba(0, 0, 0, 0.9);
}
.plate-img img { width: 100%; height: auto; margin: 0 auto; }
.plate-img .zoom { position: absolute; right: 10px; top: 10px; width: 30px; height: 30px; border-radius: 8px; display: grid; place-items: center; background: rgba(11, 18, 32, 0.78); color: #fff; opacity: 0; transition: opacity .2s; }
.plate-img:hover .zoom, .plate-img:focus-visible .zoom { opacity: 1; }
.plate-img .zoom svg { width: 15px; height: 15px; }
figcaption, .caption { margin-top: 12px; font-size: 14px; color: var(--ink-3); line-height: 1.55; max-width: 92ch; }
figcaption .fig-no, .caption .fig-no { font: 600 11.5px/1 var(--f-mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-2); margin-right: 8px; }

/* overview */
.overview-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(24px, 4vw, 56px); align-items: start; }
@media (max-width: 900px) { .overview-grid { grid-template-columns: minmax(0, 1fr); } }
.abstract p { margin: 0 0 1em; }
@media (min-width: 901px) { .overview-grid > .plate { position: sticky; top: calc(var(--topbar-h) + 28px); } }
.abstract p:first-child::first-line { color: var(--ink); }

/* ───────────── method: stage tabs + highlighted pipeline ───────────── */
.stages { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; margin-bottom: 18px; }
@media (max-width: 760px) { .stages { grid-template-columns: minmax(0, 1fr); } }
.stage-tab {
  text-align: left; display: flex; flex-direction: column; gap: 6px;
  padding: 16px 18px; border-radius: var(--radius); cursor: pointer;
  background: var(--bg-raised); border: 1px solid var(--line); color: var(--ink-2);
  font: inherit; transition: border-color .2s, background .2s;
}
.stage-tab:hover { border-color: var(--line-strong); }
.stage-tab .st-k { font: 500 11px/1 var(--f-mono); letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-3); }
.stage-tab .st-t { font: 700 18px/1.2 var(--f-display); font-stretch: 108%; color: var(--ink); }
.stage-tab .st-s { font-size: 13.5px; line-height: 1.45; }
.stage-tab[aria-selected="true"] { border-color: var(--stage-c, var(--teal)); background: color-mix(in srgb, var(--stage-c, var(--teal)) 9%, var(--bg-raised)); }
.stage-tab[aria-selected="true"] .st-k { color: var(--stage-c, var(--teal)); }
.stage-tab[data-stage="perceive"] { --stage-c: var(--violet); }
.stage-tab[data-stage="plan"] { --stage-c: var(--teal); }
.stage-tab[data-stage="assemble"] { --stage-c: var(--amber); }

.pipeline { position: relative; }
.pipeline .plate-img { padding: clamp(8px, 1.2vw, 14px); }
.pipe-mask { position: absolute; inset: 0; pointer-events: none; border-radius: var(--radius); overflow: hidden; }
.pipe-mask span { position: absolute; top: 0; bottom: 0; background: rgba(11, 18, 32, 0.55); transition: opacity .35s ease; }
.pipe-focus { position: absolute; top: 6px; bottom: 6px; border: 2px solid var(--stage-c, var(--teal)); border-radius: 10px; transition: left .45s cubic-bezier(.2, .8, .2, 1), width .45s cubic-bezier(.2, .8, .2, 1), border-color .3s; pointer-events: none; }

.stage-detail { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) minmax(0, 1fr); gap: 14px; margin-top: 18px; }
@media (max-width: 900px) { .stage-detail { grid-template-columns: minmax(0, 1fr); } }
.kcard { padding: 18px 18px 16px; border-radius: var(--radius); background: var(--bg-raised); border: 1px solid var(--line); min-width: 0; }
.kcard h4 { margin: 0 0 8px; font: 650 15.5px/1.3 var(--f-body); color: var(--ink); }
.kcard p { margin: 0; font-size: 14.5px; line-height: 1.55; color: var(--ink-2); }
.kcard .eq { display: block; margin-top: 10px; padding: 8px 10px; border-radius: 8px; background: var(--bg-sunk); border: 1px solid var(--line); font: 12.5px/1.5 var(--f-mono); color: var(--ink); overflow-x: auto; white-space: pre; }
.kcard .tag { display: inline-block; margin-top: 10px; font: 500 11.5px/1.4 var(--f-mono); color: var(--ink-3); }
.kcard .tag b { color: var(--good); font-weight: 600; }

/* ───────────── policy: action vocabulary + recipe ───────────── */
.policy-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(20px, 3vw, 36px); align-items: start; }
@media (max-width: 900px) { .policy-grid { grid-template-columns: minmax(0, 1fr); } }
.term { border-radius: var(--radius); background: var(--bg-sunk); border: 1px solid var(--line-strong); overflow: hidden; }
.term-head { display: flex; align-items: center; gap: 8px; padding: 10px 14px; border-bottom: 1px solid var(--line); font: 500 11.5px/1 var(--f-mono); color: var(--ink-3); letter-spacing: 0.06em; }
.term-head i { width: 9px; height: 9px; border-radius: 50%; background: rgba(148, 170, 210, 0.25); }
.term-head span { margin-left: 6px; }
.acts { list-style: none; margin: 0; padding: 6px 0; }
.acts li { display: grid; grid-template-columns: minmax(0, 1fr); gap: 2px; padding: 11px 16px; border-left: 2px solid transparent; transition: background .2s, border-color .2s; }
.acts li:hover { background: rgba(245, 165, 36, 0.06); border-left-color: var(--amber); }
.acts code { font: 600 14px/1.4 var(--f-mono); color: var(--amber); }
.acts code .arg { color: var(--ink); font-weight: 400; }
.acts code.stop { color: var(--teal); }
.acts p { margin: 0; font-size: 14px; color: var(--ink-2); line-height: 1.5; }
.term-foot { padding: 12px 16px; border-top: 1px solid var(--line); font: 12px/1.5 var(--f-mono); color: var(--ink-3); }

.recipe { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; counter-reset: step; }
.recipe > li { position: relative; padding: 16px 18px 16px 58px; border-radius: var(--radius); background: var(--bg-raised); border: 1px solid var(--line); counter-increment: step; }
.recipe > li::before { content: counter(step); position: absolute; left: 16px; top: 15px; width: 28px; height: 28px; border-radius: 8px; display: grid; place-items: center; font: 700 14px/1 var(--f-mono); color: var(--bg); background: var(--teal); }
.recipe h4 { margin: 0 0 4px; font: 650 15.5px/1.3 var(--f-body); color: var(--ink); }
.recipe p { margin: 0; font-size: 14.5px; color: var(--ink-2); line-height: 1.55; }
.degrade { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; margin-top: 12px; }
@media (max-width: 520px) { .degrade { grid-template-columns: minmax(0, 1fr); } }
.degrade div { padding: 9px 11px; border-radius: 8px; background: var(--bg-sunk); border: 1px solid var(--line); font-size: 13px; line-height: 1.45; color: var(--ink-2); }
.degrade b { display: block; font: 600 12px/1.3 var(--f-mono); color: var(--bad); margin-bottom: 2px; }

.mix { margin-top: 22px; }
.mix-k { font: 500 11.5px/1 var(--f-mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 10px; }
.mix-bar { display: flex; height: 14px; gap: 2px; }
.mix-bar span { display: block; height: 100%; }
.mix-bar span:first-child { border-radius: 4px 0 0 4px; }
.mix-bar span:last-child { border-radius: 0 4px 4px 0; }
.mix-legend { list-style: none; padding: 0; margin: 10px 0 0; display: flex; flex-wrap: wrap; gap: 6px 18px; font-size: 13px; color: var(--ink-2); }
.mix-legend li { display: flex; align-items: center; gap: 7px; }
.mix-legend i { width: 10px; height: 10px; border-radius: 2px; flex: none; }
.mix-legend b { color: var(--ink); font-weight: 600; font-variant-numeric: tabular-nums; }

.policy-fig { margin-top: clamp(24px, 3vw, 36px); display: grid; grid-template-columns: minmax(0, 300px) minmax(0, 1fr); gap: clamp(20px, 3vw, 36px); align-items: center; }
@media (max-width: 760px) { .policy-fig { grid-template-columns: minmax(0, 1fr); } .policy-fig .plate { max-width: 360px; } }

/* ───────────── 360° turntables ───────────── */
.spins { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
@media (max-width: 1100px) { .spins { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.spin { margin: 0; min-width: 0; }
.spin-frame {
  position: relative; width: 100%; aspect-ratio: 1 / 1; max-width: 100%;
  border-radius: 14px; overflow: hidden; background: var(--paper); border: 1px solid var(--line-strong);
  box-shadow: 0 24px 60px -34px rgba(0, 0, 0, 0.9);
}
.spin-frame video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; }
.spin-toggle { position: absolute; inset: 0; z-index: 2; width: 100%; height: 100%; padding: 0; margin: 0; border: 0; background: transparent; cursor: pointer; border-radius: inherit; }
.spin-toggle:focus-visible { outline: 2px solid var(--amber); outline-offset: -3px; }
.spin-frame .vp-tag { left: 10px; top: 10px; }
.spin-frame .vp-inset { left: 8px; bottom: 8px; width: 40%; border-width: 2px; border-radius: 8px; }
.spin-frame.is-paused .vp-tag i { background: var(--ink-3); box-shadow: none; }
.spin figcaption { margin-top: 10px; font: 12.5px/1.45 var(--f-mono); color: var(--ink-3); }
.spin figcaption b { display: block; font: 600 14.5px/1.3 var(--f-body); color: var(--ink); margin-bottom: 2px; }
@media (max-width: 560px) { .spins { gap: 12px; } .spin-frame .vp-inset { width: 46%; } .spin-frame .vp-tag { font-size: 9.5px; padding: 4px 6px; } }

/* ───────────── results tables ───────────── */
.panel { padding: clamp(16px, 2.4vw, 26px); border-radius: 16px; background: var(--bg-raised); border: 1px solid var(--line); min-width: 0; }

/* tables */
.tbl-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
table.t { width: 100%; border-collapse: collapse; font-size: 13.5px; font-variant-numeric: tabular-nums; min-width: 520px; }
table.t caption { text-align: left; caption-side: top; padding-bottom: 8px; font-size: 13px; color: var(--ink-3); }
table.t caption b { font: 600 11.5px/1 var(--f-mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-2); margin-right: 8px; }
table.t th, table.t td { padding: 8px 10px; text-align: right; border-bottom: 1px solid var(--line); white-space: nowrap; }
table.t th:first-child, table.t td:first-child, table.t th.l, table.t td.l { text-align: left; }
table.t thead th { font: 500 11.5px/1.3 var(--f-mono); color: var(--ink-3); letter-spacing: 0.04em; border-bottom-color: var(--line-strong); }
table.t td { color: var(--ink-2); }
table.t tr.ours td { color: var(--ink); background: rgba(45, 212, 191, 0.06); }
table.t tr.grp td { color: var(--ink-3); font: 500 11px/1 var(--f-mono); letter-spacing: 0.08em; text-transform: uppercase; padding-top: 14px; background: transparent; }
table.t .best, .t caption .best { color: var(--ink); font-weight: 700; }
table.t .second, .t caption .second { color: var(--ink); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; }
table.t td[rowspan] { vertical-align: middle; }
.t caption .d { margin: 0; font-family: var(--f-body); font-size: 13px; }
table.t .d { font: 500 11px var(--f-mono); margin-left: 5px; }
table.t--compact { min-width: 0; font-size: 13px; }
table.t--compact th, table.t--compact td { padding: 8px 6px; vertical-align: top; }
table.t--compact .d { display: block; margin: 2px 0 0; }
table.t .d.up { color: var(--good); }
table.t .d.dn { color: var(--bad); }
table.t .d.eq { color: var(--ink-3); }

.ablate { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 18px; margin-top: 18px; }
@media (max-width: 980px) { .ablate { grid-template-columns: minmax(0, 1fr); } }
.ablate .panel { margin-top: 0; }
.ablate p.note { margin: 12px 0 0; font-size: 13.5px; color: var(--ink-3); line-height: 1.55; }

/* ───────────── gallery ───────────── */
.tabs { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 16px; }
.tabs button { font: 500 13px/1 var(--f-mono); color: var(--ink-2); background: var(--bg-raised); border: 1px solid var(--line); border-radius: 999px; padding: 10px 14px; cursor: pointer; }
.tabs button:hover { color: var(--ink); border-color: var(--line-strong); }
.tabs button[aria-selected="true"] { color: #06231f; background: var(--teal); border-color: transparent; }
.tabpanel[hidden] { display: none; }

/* ───────────── applications ───────────── */
.apps { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 18px; }
@media (max-width: 900px) { .apps { grid-template-columns: minmax(0, 1fr); } }
.app { display: flex; flex-direction: column; gap: 14px; padding: clamp(16px, 2.2vw, 24px); border-radius: 16px; background: var(--bg-raised); border: 1px solid var(--line); min-width: 0; }
.app h3 { margin: 0; font: 700 19px/1.25 var(--f-display); font-stretch: 106%; }
.app > p { margin: 0; color: var(--ink-2); font-size: 15px; }
.chat { display: grid; gap: 8px; }
.bubble { margin: 0; justify-self: start; max-width: 100%; padding: 10px 14px; border-radius: 14px 14px 14px 4px; background: rgba(167, 139, 250, 0.12); border: 1px solid rgba(167, 139, 250, 0.32); color: var(--ink); font-size: 14.5px; }
.bubble .who { display: block; font: 500 10.5px/1 var(--f-mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--violet); margin-bottom: 6px; }
.bubble--plan { justify-self: end; border-radius: 14px 14px 4px 14px; background: rgba(245, 165, 36, 0.08); border-color: rgba(245, 165, 36, 0.3); font: 13px/1.55 var(--f-mono); color: var(--ink); white-space: pre-wrap; }
.bubble--plan .who { color: var(--amber); font-family: var(--f-mono); }
.app .plate { margin-top: auto; }
.app .plate-img img { max-height: 520px; width: auto; }

/* ───────────── bibtex + footer ───────────── */
.bib { position: relative; border-radius: var(--radius); background: var(--bg-sunk); border: 1px solid var(--line-strong); }
.bib pre { margin: 0; padding: 20px 22px; overflow-x: auto; font: 13px/1.65 var(--f-mono); color: var(--ink-2); }
.bib pre .k { color: var(--amber); }
.bib pre .f { color: var(--teal); }
.bib .copy { position: absolute; right: 10px; top: 10px; }
.footer { border-top: 1px solid var(--line); padding-block: 28px 40px; color: var(--ink-3); font-size: 13.5px; }
.footer-inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; }
.footer a { color: var(--ink-2); }

/* ───────────── lightbox ───────────── */
.lightbox { position: fixed; inset: 0; z-index: 90; display: grid; place-items: center; padding: 24px; background: rgba(5, 9, 17, 0.92); -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); }
.lightbox[hidden] { display: none; }
.lightbox-inner { max-width: min(1600px, 100%); max-height: 100%; overflow: auto; background: var(--paper); border-radius: 12px; padding: 14px; }
.lightbox img { max-width: 100%; height: auto; }
.lightbox .close { position: fixed; top: 16px; right: 16px; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}