/* ============================================================================
   PlaigLab — forensic dossier aesthetic, refined edition
   Editorial / investigative identity kept; elevated spacing, type rhythm,
   layered depth, restrained motion, full a11y.
   ========================================================================== */
:root {
  /* --- palette --- */
  --paper: #f4efe4;
  --paper-2: #efe8d8;
  --paper-deep: #e7dec9;
  --card: #fbf8f1;
  --ink: #1c1711;
  --ink-soft: #5c5343;
  --ink-faint: #8a7f6a;
  --crimson: #a4243b;
  --crimson-deep: #7c1228;
  --amber: #cf9a32;
  --amber-soft: #f0d9a6;
  --sage: #4f6f52;
  --sage-deep: #3c5a3f;
  --line: #cabd9f;
  --line-soft: #ddd2b8;

  /* --- type --- */
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  --serif: "Spectral", Georgia, serif;
  --display: "Fraunces", Georgia, serif;

  /* --- spacing scale (8pt) --- */
  --s1: 4px;  --s2: 8px;  --s3: 12px; --s4: 16px;
  --s5: 24px; --s6: 32px; --s7: 48px; --s8: 64px; --s9: 96px;

  /* --- depth: refined editorial shadows --- */
  --sh-1: 0 1px 2px rgba(28,23,17,.06), 0 2px 8px -4px rgba(28,23,17,.10);
  --sh-2: 0 2px 6px -2px rgba(28,23,17,.10), 0 12px 28px -16px rgba(28,23,17,.30);
  --sh-pop: 0 18px 44px -22px rgba(28,23,17,.48);
  --sh-edge: 4px 4px 0 rgba(28,23,17,.10);   /* subtle press-offset accent */

  --radius: 4px;
  --maxw: 1080px;
  --ease: cubic-bezier(.2,.7,.2,1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  background-color: var(--paper);
  background-image:
    radial-gradient(120% 80% at 50% -10%, rgba(255,252,244,.9), transparent 60%),
    radial-gradient(140% 120% at 50% 120%, rgba(28,23,17,.05), transparent 55%),
    linear-gradient(rgba(201,189,161,.13) 1px, transparent 1px);
  background-size: 100% 100%, 100% 100%, 100% 32px;
  background-attachment: fixed, fixed, scroll;
  color: var(--ink);
  font-family: var(--serif);
  font-size: 17px;
  line-height: 1.62;
  min-height: 100vh;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

::selection { background: rgba(164,36,59,.18); }

.grain {
  position: fixed; inset: 0; pointer-events: none; z-index: 50; opacity: .42;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3CfeColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.035 0'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* shared focus ring (accessibility) */
:where(a, button, [tabindex], summary, input):focus-visible {
  outline: 2.5px solid var(--crimson);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ---------------- masthead ---------------- */
.masthead { max-width: var(--maxw); margin: 0 auto; padding: var(--s8) var(--s5) var(--s2); position: relative; }
.case-no {
  font-family: var(--mono); font-size: 12px; letter-spacing: .18em;
  color: var(--crimson); border: 1.5px solid var(--crimson);
  display: inline-block; padding: 3px 10px; transform: rotate(-1.2deg);
  background: rgba(164,36,59,.05); box-shadow: var(--sh-1);
}
.masthead h1 {
  font-family: var(--display); font-weight: 900; font-size: clamp(54px, 9vw, 108px);
  letter-spacing: -.022em; line-height: .92; margin-top: var(--s4);
  font-variation-settings: "opsz" 144;
  background: linear-gradient(180deg, var(--ink), #38301f);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.masthead h1 .amp { -webkit-text-fill-color: var(--crimson); color: var(--crimson); }
.tagline {
  font-family: var(--mono); font-size: 11.5px; letter-spacing: .3em;
  color: var(--ink-soft); margin-top: var(--s3); text-transform: uppercase;
}
.byline {
  font-family: var(--mono); font-size: 11px; letter-spacing: .22em;
  color: var(--crimson); margin-top: var(--s2); text-transform: uppercase;
}
.rule-double { border-top: 3px solid var(--ink); border-bottom: 1px solid var(--ink);
  height: 7px; margin-top: var(--s5); position: relative; }
.rule-double::after { content: ""; position: absolute; right: 0; top: -3px;
  width: 64px; height: 3px; background: var(--crimson); }

main { max-width: var(--maxw); margin: 0 auto; padding: var(--s6) var(--s5) var(--s9); }

.view { animation: rise .5s var(--ease) both; }
@keyframes rise { from { opacity: 0; transform: translateY(14px); } }

/* ---------------- upload ---------------- */
.dropzone {
  margin-top: var(--s7); border: 2px dashed var(--ink-soft); border-radius: var(--radius);
  padding: var(--s9) var(--s6); text-align: center; cursor: pointer;
  background:
    radial-gradient(120% 140% at 50% 0%, rgba(255,255,255,.5), rgba(255,255,255,.2));
  transition: border-color .25s var(--ease), background .25s var(--ease),
              transform .25s var(--ease), box-shadow .35s var(--ease);
  position: relative; overflow: hidden;
}
.dropzone::after {
  content: "EVIDENCE INTAKE"; position: absolute; top: 14px; right: 16px;
  font-family: var(--mono); font-size: 10px; letter-spacing: .22em; color: var(--ink-faint);
}
.dropzone:hover, .dropzone.drag {
  border-color: var(--crimson); border-style: solid;
  background: radial-gradient(120% 140% at 50% 0%, rgba(164,36,59,.08), rgba(255,255,255,.25));
  transform: translateY(-3px); box-shadow: var(--sh-pop);
}
.dropzone.drag { transform: translateY(-3px) scale(1.005); }
.bag-icon { width: 60px; color: var(--crimson); margin-bottom: var(--s3);
  transition: transform .3s var(--ease); }
.dropzone:hover .bag-icon { transform: translateY(-3px) rotate(-3deg); }
.dz-title { font-family: var(--display); font-weight: 700; font-size: clamp(28px, 4vw, 36px);
  letter-spacing: -.01em; }
.dz-sub { color: var(--ink-soft); margin-top: var(--s2); font-size: 15px; line-height: 1.7; }

.depth-toggle { display: flex; align-items: center; gap: var(--s3); margin-top: var(--s5);
  font-family: var(--mono); font-size: 12.5px; color: var(--ink-soft);
  cursor: pointer; border: 1px solid var(--line); border-radius: var(--radius);
  padding: var(--s3) var(--s4); background: rgba(255,255,255,.45);
  transition: border-color .2s, background .2s; }
.depth-toggle:hover { border-color: var(--ink-soft); background: rgba(255,255,255,.65); }
.depth-toggle b { color: var(--crimson-deep); letter-spacing: .1em; }
.depth-toggle input { accent-color: var(--crimson); width: 17px; height: 17px; flex: none; }

.upload-foot { display: flex; justify-content: space-between; align-items: center;
  margin-top: var(--s5); gap: var(--s4); flex-wrap: wrap; }
.sources-line { font-family: var(--mono); font-size: 10.5px; letter-spacing: .12em;
  color: var(--ink-faint); max-width: 52ch; line-height: 1.7; }

.ghost-btn {
  font-family: var(--mono); font-size: 12.5px; letter-spacing: .1em;
  background: rgba(255,255,255,.35); border: 1.5px solid var(--ink); color: var(--ink);
  padding: 10px 18px; border-radius: var(--radius); cursor: pointer;
  transition: background .2s var(--ease), color .2s var(--ease),
              transform .15s var(--ease), box-shadow .2s var(--ease);
  text-decoration: none; display: inline-block;
}
.ghost-btn:hover { background: var(--ink); color: var(--paper);
  transform: translateY(-2px); box-shadow: var(--sh-2); }
.ghost-btn:active { transform: translateY(0); }

/* ---------------- progress ---------------- */
.invest-head { display: flex; align-items: baseline; gap: var(--s4); margin-top: var(--s6); flex-wrap: wrap; }
.invest-head h2 { font-family: var(--display); font-weight: 700; font-size: clamp(26px, 4vw, 33px);
  letter-spacing: -.01em; }
.blink-dot { width: 11px; height: 11px; border-radius: 50%; background: var(--crimson);
  align-self: center; box-shadow: 0 0 0 0 rgba(164,36,59,.5); animation: pulse 1.4s infinite; }
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(164,36,59,.45); }
  70% { box-shadow: 0 0 0 9px rgba(164,36,59,0); }
  100% { box-shadow: 0 0 0 0 rgba(164,36,59,0); }
}
.invest-file { font-family: var(--mono); font-size: 13px; color: var(--ink-soft); }

.custody { list-style: none; display: flex; flex-wrap: wrap; gap: var(--s1) 6px; margin: var(--s5) 0 var(--s4); }
.custody li {
  font-family: var(--mono); font-size: 11px; letter-spacing: .05em;
  padding: 7px 12px; border: 1px solid var(--line); border-radius: 3px; color: var(--ink-faint);
  background: rgba(255,255,255,.4); position: relative; margin-bottom: 6px;
  transition: border-color .3s, color .3s, background .3s, transform .3s var(--ease);
}
.custody li.active {
  border-color: var(--crimson); color: var(--crimson-deep);
  background: rgba(164,36,59,.08); font-weight: 600; transform: translateY(-1px);
  box-shadow: var(--sh-1);
}
.custody li.active::after { content: ""; position: absolute; left: 8px; right: 8px; bottom: -1px;
  height: 2px; background: var(--crimson); animation: scanline 1.1s var(--ease) infinite; }
@keyframes scanline { 0%,100% { opacity: .3; } 50% { opacity: 1; } }
.custody li.done { border-color: var(--sage); color: var(--sage); background: rgba(79,111,82,.06); }
.custody li.done::before { content: "✓ "; }

.console {
  background: linear-gradient(180deg, #221c14, #1a150f); color: #ddd2b8;
  font-family: var(--mono); font-size: 13px; padding: var(--s5) var(--s5);
  min-height: 260px; max-height: 380px; overflow-y: auto; border-radius: var(--radius);
  box-shadow: inset 0 0 70px rgba(0,0,0,.55), var(--sh-2);
  border: 1px solid #000;
}
.console div { animation: typeline .25s ease both; padding: 2px 0; }
.console div::before { content: "▸ "; color: var(--amber); }
@keyframes typeline { from { opacity: 0; transform: translateX(-6px); } }
.console::-webkit-scrollbar { width: 10px; }
.console::-webkit-scrollbar-thumb { background: #443c2c; border-radius: 6px; }

/* ---------------- report ---------------- */
.report-head { display: flex; justify-content: space-between; gap: var(--s5);
  align-items: flex-start; margin-top: var(--s6); flex-wrap: wrap; }
.exhibit-label { font-family: var(--mono); font-size: 11px; letter-spacing: .24em;
  color: var(--crimson); }
.rpt-title { font-family: var(--display); font-weight: 700; font-size: clamp(27px, 4.4vw, 36px);
  line-height: 1.12; letter-spacing: -.012em; max-width: 660px; margin-top: var(--s2); }
.rpt-meta { font-family: var(--mono); font-size: 12px; color: var(--ink-soft); margin-top: var(--s2);
  line-height: 1.7; }

.stamp {
  border: 4px solid var(--crimson); color: var(--crimson);
  font-family: var(--display); font-weight: 900; font-size: clamp(22px, 3vw, 30px);
  letter-spacing: .08em; padding: 10px 24px; border-radius: 6px;
  transform: rotate(5deg) scale(2.2); opacity: 0;
  text-transform: uppercase; white-space: nowrap; align-self: center;
  box-shadow: inset 0 0 14px rgba(164,36,59,.25);
  mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='80' height='80'%3E%3Cfilter id='r'%3E%3CfeTurbulence baseFrequency='0.55' numOctaves='2'/%3E%3CfeColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 .55 .45'/%3E%3C/filter%3E%3Crect width='80' height='80' filter='url(%23r)'/%3E%3C/svg%3E");
  animation: slam .45s cubic-bezier(.2,1.6,.4,1) .45s forwards;
}
.stamp.ok { border-color: var(--sage); color: var(--sage);
  box-shadow: inset 0 0 14px rgba(79,111,82,.25); }
.stamp.warn { border-color: #b06b1f; color: #b06b1f;
  box-shadow: inset 0 0 14px rgba(176,107,31,.25); }
@keyframes slam { to { transform: rotate(-4deg) scale(1); opacity: 1; } }

/* sticky report navigator */
.report-nav {
  position: sticky; top: 0; z-index: 30; margin: var(--s5) 0 0;
  display: flex; align-items: center; gap: var(--s3); flex-wrap: wrap;
  padding: 10px var(--s4); border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(244,239,228,.82); backdrop-filter: blur(10px) saturate(1.2);
  -webkit-backdrop-filter: blur(10px) saturate(1.2);
  box-shadow: var(--sh-1);
}
.rn-verdict { font-family: var(--mono); font-size: 11px; font-weight: 600; letter-spacing: .12em;
  padding: 3px 10px; border: 1.5px solid var(--ink-soft); border-radius: 3px; color: var(--ink-soft); }
.rn-verdict.v-plagiarized { color: #fff; background: var(--crimson); border-color: var(--crimson); }
.rn-verdict.v-suspicious, .rn-verdict.v-review { color: var(--crimson-deep); border-color: #b06b1f; background: rgba(207,154,50,.16); }
.rn-verdict.v-clean { color: #fff; background: var(--sage); border-color: var(--sage); }
.rn-links { display: flex; gap: var(--s1); flex-wrap: wrap; margin-right: auto; }
.rn-links a { font-family: var(--mono); font-size: 11.5px; letter-spacing: .06em;
  color: var(--ink-soft); text-decoration: none; padding: 5px 10px; border-radius: 3px;
  transition: background .18s, color .18s; }
.rn-links a:hover { background: rgba(28,23,17,.07); color: var(--ink); }
.rn-links a.active { color: var(--crimson-deep); background: rgba(164,36,59,.1); font-weight: 600; }
.rn-pdf { padding: 6px 12px; font-size: 11.5px; }
@media (max-width: 640px) { .rn-links { width: 100%; order: 3; } }

/* anchored sections clear the sticky bar */
.dials, .sec-head, .coverage-block { scroll-margin-top: 72px; }

/* dials */
.dials { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: var(--s4);
  margin-top: var(--s6); }
@media (max-width: 880px) { .dials { grid-template-columns: 1fr; } }
.dial-card {
  border: 1px solid var(--line); border-radius: var(--radius);
  background: linear-gradient(180deg, var(--card), rgba(251,248,241,.7));
  padding: var(--s5) var(--s5) var(--s4); text-align: center; position: relative;
  box-shadow: var(--sh-edge), var(--sh-1);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.dial-card:hover { transform: translateY(-3px); box-shadow: var(--sh-edge), var(--sh-2); }
.dial-label { font-family: var(--mono); font-size: 10.5px; letter-spacing: .22em;
  color: var(--ink-soft); }
.dial { width: 100%; max-width: 230px; margin: var(--s2) auto 0; display: block; }
.dial-track { fill: none; stroke: var(--paper-deep); stroke-width: 13; stroke-linecap: round; }
.dial-fill { fill: none; stroke: var(--crimson); stroke-width: 13; stroke-linecap: round;
  stroke-dasharray: 251.3; stroke-dashoffset: 251.3;
  transition: stroke-dashoffset 1.4s cubic-bezier(.3,.9,.3,1) .35s;
  filter: drop-shadow(0 2px 3px rgba(164,36,59,.25)); }
.dial-fill.ai { stroke: var(--amber); filter: drop-shadow(0 2px 3px rgba(207,154,50,.3)); }
.needle { stroke: var(--ink); stroke-width: 2.5;
  transform-origin: 100px 110px; transform: rotate(-90deg);
  transition: transform 1.4s cubic-bezier(.3,.9,.3,1) .35s; }
.needle-hub { fill: var(--ink); }
.dial-value { font-family: var(--mono); font-weight: 600; font-size: 42px; margin-top: -8px;
  font-variant-numeric: tabular-nums; }
.dial-value small { font-size: 20px; color: var(--ink-soft); }
.dial-sub { font-family: var(--mono); font-size: 11px; letter-spacing: .1em;
  color: var(--crimson-deep); margin-top: var(--s1); min-height: 17px; }

.stat-stack { display: flex; flex-direction: column; gap: var(--s2); }
.stat-row { border: 1px solid var(--line-soft); border-radius: 3px; background: rgba(255,255,255,.5);
  padding: 10px var(--s4); display: flex; justify-content: space-between; align-items: center;
  font-family: var(--mono); font-size: 12.5px; color: var(--ink-soft);
  transition: border-color .2s, background .2s; }
.stat-row:hover { border-color: var(--line); background: rgba(255,255,255,.7); }
.stat-row b { font-size: 15px; color: var(--ink); font-variant-numeric: tabular-nums; }

/* section headings */
.sec-head { font-family: var(--display); font-weight: 700; font-size: clamp(21px, 3vw, 25px);
  letter-spacing: -.01em; margin: var(--s7) 0 var(--s4); padding-bottom: var(--s2);
  border-bottom: 1px solid var(--line-soft); }
.sec-head::before { content: "§ "; color: var(--crimson); }

/* sources */
.source-list { display: flex; flex-direction: column; gap: var(--s3); }
.source-card {
  border: 1px solid var(--line); border-radius: var(--radius);
  background: linear-gradient(180deg, var(--card), rgba(251,248,241,.65));
  padding: var(--s4) var(--s5); display: grid; gap: var(--s1) var(--s5);
  grid-template-columns: 56px 1fr 130px; align-items: center;
  box-shadow: var(--sh-1); animation: rise .5s var(--ease) both;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), border-color .25s;
}
.source-card:hover { transform: translateY(-2px); border-color: var(--ink-soft);
  box-shadow: var(--sh-2); }
@media (max-width: 700px) { .source-card { grid-template-columns: 44px 1fr; } }
.exhibit-tag {
  font-family: var(--display); font-weight: 900; font-size: 28px;
  color: var(--crimson); border: 2px solid var(--crimson); border-radius: 3px;
  width: 48px; height: 48px; display: flex; align-items: center;
  justify-content: center; transform: rotate(-3deg); grid-row: span 2;
  background: rgba(164,36,59,.04);
}
.src-title { font-weight: 600; font-size: 17px; line-height: 1.35; }
.src-title a { color: var(--ink); text-decoration-color: var(--crimson);
  text-underline-offset: 2px; }
.src-title a:hover { color: var(--crimson-deep); }
.src-meta { font-family: var(--mono); font-size: 11.5px; color: var(--ink-soft); margin-top: 3px; }
.src-meta .badge { border: 1px solid var(--line); border-radius: 2px; padding: 1px 6px; margin-right: 6px; }
.src-meta .deep { color: var(--crimson-deep); border-color: var(--crimson); background: rgba(164,36,59,.05); }
.src-meta .ai-src { font-weight: 600; letter-spacing: .04em; }
.src-meta .ai-src.ok { color: var(--sage-deep); border-color: var(--sage); background: rgba(79,111,82,.1); }
.src-meta .ai-src.warm { color: #8a5418; border-color: var(--amber); background: rgba(207,154,50,.14); }
.src-meta .ai-src.hot { color: #fff; border-color: var(--crimson); background: var(--crimson); }
.max-toggle { border-color: var(--crimson); background: rgba(164,36,59,.04); }
.max-toggle b { color: var(--crimson-deep); }
.src-pct { font-family: var(--mono); font-weight: 600; font-size: 30px;
  text-align: right; grid-row: span 2; font-variant-numeric: tabular-nums; }
.src-pct small { font-size: 15px; color: var(--ink-soft); }
@media (max-width: 700px) { .src-pct { grid-column: 2; text-align: left; } }
.src-bar { grid-column: 2; height: 8px; background: var(--paper-deep);
  border: 1px solid var(--line); border-radius: 4px; margin-top: 6px; overflow: hidden; }
.src-bar i { display: block; height: 100%; background:
  repeating-linear-gradient(-45deg, var(--crimson), var(--crimson) 5px,
  var(--crimson-deep) 5px, var(--crimson-deep) 10px); width: 0;
  transition: width 1s var(--ease) .3s; }
.src-pairs { grid-column: 1 / -1; margin-top: var(--s2); }
.src-pairs summary { font-family: var(--mono); font-size: 12px; cursor: pointer;
  color: var(--crimson-deep); }
.pair-row { border-left: 3px solid var(--crimson); background: rgba(164,36,59,.05);
  border-radius: 0 3px 3px 0; margin: var(--s2) 0; padding: var(--s2) var(--s3); font-size: 14.5px; }
.pair-row .who { font-family: var(--mono); font-size: 10.5px; letter-spacing: .14em;
  color: var(--ink-faint); }

/* manuscript heatmap */
.legend { display: flex; gap: var(--s5); font-family: var(--mono); font-size: 11.5px;
  color: var(--ink-soft); margin-bottom: var(--s3); flex-wrap: wrap; }
.sw { display: inline-block; width: 14px; height: 14px; margin-right: 6px;
  vertical-align: -2px; border: 1px solid var(--line); border-radius: 2px; }
.sw-exact { background: rgba(124,18,40,.65); }
.sw-high { background: rgba(164,36,59,.4); }
.sw-mid { background: rgba(217,164,59,.45); }
.sw-sem { background: rgba(79,111,82,.35); }
.sw-none { background: rgba(255,255,255,.6); }
.manuscript {
  border: 1px solid var(--line); border-radius: var(--radius); background: var(--card);
  padding: var(--s6) var(--s7); font-size: 16.5px; line-height: 2.0;
  box-shadow: var(--sh-edge), var(--sh-1); max-height: 480px; overflow-y: auto;
}
.manuscript span { padding: 2px 3px; border-radius: 2px; transition: background .2s; }
.m-exact { background: rgba(124,18,40,.45); color: #fff; box-shadow: 0 1px 0 var(--crimson-deep); cursor: help; }
.m-high { background: rgba(164,36,59,.32); box-shadow: 0 1px 0 var(--crimson); cursor: help; }
.m-mid { background: rgba(217,164,59,.4); cursor: help; }
.m-high:hover, .m-mid:hover { background: rgba(164,36,59,.5); }
.m-sem { box-shadow: inset 0 -3px 0 rgba(79,111,82,.8); }

/* AI strip */
.ai-strip { display: flex; height: 34px; border: 1px solid var(--ink); border-radius: 3px;
  overflow: hidden; box-shadow: var(--sh-1); }
.ai-strip i { flex: 1; transition: transform .2s var(--ease); position: relative; }
.ai-strip i:hover { transform: scaleY(1.18); z-index: 1; }
.ai-strip-labels { display: flex; justify-content: space-between;
  font-family: var(--mono); font-size: 11px; color: var(--ink-faint); margin-top: 6px; }

.warrants { margin-top: var(--s7); font-family: var(--mono); font-size: 13px; }
.warrants summary { cursor: pointer; letter-spacing: .06em; color: var(--ink-soft);
  padding: var(--s2) 0; }
.warrants summary:hover { color: var(--ink); }
.warrants div span { display: inline-block; border: 1px solid var(--line); border-radius: 2px;
  background: rgba(255,255,255,.5); padding: 4px 10px; margin: 6px 6px 0 0; font-size: 12px; }

.report-foot { margin-top: var(--s8); display: flex; gap: var(--s3); justify-content: center;
  flex-wrap: wrap; }

.colophon { max-width: var(--maxw); margin: 0 auto; padding: var(--s5) var(--s5) var(--s7);
  font-family: var(--mono); font-size: 11px; letter-spacing: .05em; line-height: 1.8;
  color: var(--ink-faint); border-top: 1px solid var(--line); }
.colophon .credits { display: block; margin-top: var(--s3); color: var(--ink-soft);
  letter-spacing: .12em; text-transform: uppercase; }

/* ---- verdict basis, evasion, ensemble, coverage ---- */
.verdict-basis { font-family: var(--mono); font-size: 12.5px; color: var(--ink-soft);
  margin: var(--s4) 0 0; letter-spacing: .02em; line-height: 1.8; }
.verdict-basis b { color: var(--ink); letter-spacing: .1em; }

.evasion-panel { margin: var(--s4) 0 0; border: 1px solid var(--crimson); border-radius: var(--radius);
  background: rgba(164,36,59,.07); padding: var(--s3) var(--s4); font-family: var(--mono);
  font-size: 12.5px; line-height: 1.9; box-shadow: var(--sh-1); }
.evasion-panel b { color: var(--crimson-deep); display: block; letter-spacing: .06em; }
.evasion-panel code { border: 1px solid var(--line); border-radius: 2px; background: rgba(255,255,255,.6);
  padding: 1px 6px; margin-right: 4px; }

.near-misses { border: 1px dashed var(--line); border-radius: var(--radius);
  background: rgba(255,255,255,.4); padding: var(--s3) var(--s4); }
.near-row { font-family: var(--mono); font-size: 12.5px; padding: 6px 0;
  border-bottom: 1px dotted var(--line); display: flex; gap: var(--s3);
  align-items: baseline; flex-wrap: wrap; }
.near-row:last-child { border-bottom: 0; }
.near-row a { color: var(--ink); }
.near-row b { margin-left: auto; color: var(--ink-soft); font-weight: 500; }
.near-row .badge { border: 1px solid var(--line); border-radius: 2px; padding: 1px 6px; }
.near-row .deep { color: var(--crimson-deep); border-color: var(--crimson); }

.ai-detectors { border: 1px solid var(--line); border-radius: var(--radius); background: var(--card);
  padding: var(--s4) var(--s5); box-shadow: var(--sh-1); }
.det-row { display: grid; grid-template-columns: 220px 1fr 48px; gap: var(--s4);
  align-items: center; font-family: var(--mono); font-size: 13px; padding: 6px 0; }
@media (max-width: 560px) { .det-row { grid-template-columns: 130px 1fr 40px; gap: var(--s3); } }
.det-name i { color: var(--ink-faint); font-style: normal; font-size: 11px; display: block; }
.det-bar { height: 12px; border: 1px solid var(--ink); border-radius: 6px;
  background: rgba(255,255,255,.6); overflow: hidden; }
.det-bar i { display: block; height: 100%; background: var(--sage);
  transition: width .9s var(--ease); border-radius: 6px; }
.det-bar i.warm { background: var(--amber); }
.det-bar i.hot { background: var(--crimson); }
.det-row b { text-align: right; font-variant-numeric: tabular-nums; }
.lm-metrics { font-family: var(--mono); font-size: 11.5px; color: var(--ink-soft);
  margin-top: var(--s2); letter-spacing: .03em; }

.coverage-block summary { color: var(--crimson-deep); font-weight: 600; }
.cov-chips { margin: var(--s3) 0; }
.cov-chips .chip { display: inline-block; border: 1px solid var(--line); border-radius: 2px;
  background: rgba(255,255,255,.55); padding: 4px 10px; margin: 0 6px 6px 0; font-size: 12px; }
.cov-chips .chip.total { border-color: var(--ink); font-weight: 600; }
.cov-pdfs { margin: var(--s3) 0 var(--s4); font-size: 12.5px; }
.cov-pdfs > b { letter-spacing: .05em; }
.cov-note { color: var(--ink-soft); font-size: 12px; }
.cov-tablewrap { max-height: 420px; overflow: auto; border: 1px solid var(--ink);
  border-radius: var(--radius); background: var(--card); }
.cov-table { width: 100%; border-collapse: collapse; font-size: 12px; }
.cov-table th { position: sticky; top: 0; background: var(--paper-deep);
  text-align: left; padding: 8px 10px; border-bottom: 1.5px solid var(--ink);
  letter-spacing: .06em; }
.cov-table td { padding: 6px 10px; border-bottom: 1px dotted var(--line); vertical-align: top; }
.cov-table tr:hover td { background: rgba(164,36,59,.04); }
.cov-table td a { color: var(--ink); text-decoration: none; }
.cov-table td a:hover { text-decoration: underline; }
.cov-table .deep-row { background: rgba(164,36,59,.06); }
.cov-dl { display: inline-block; margin-top: var(--s3); }
.cand-venue { font-style: italic; color: var(--ink-soft); font-size: 11px; margin-top: 1px; }
.cand-doi { font-size: 10.5px; color: var(--ink-faint); margin-top: 1px; }
.cand-doi a { color: var(--steel, var(--crimson-deep)); }
.acc { display: inline-block; border-radius: 2px; padding: 1px 6px; font-size: 10.5px;
  letter-spacing: .03em; white-space: nowrap; border: 1px solid var(--line); }
.acc-read { color: #fff; background: var(--sage); border-color: var(--sage); }
.acc-oa { color: var(--sage-deep); background: rgba(79,111,82,.12); border-color: var(--sage); }
.acc-meta { color: var(--crimson-deep); background: rgba(164,36,59,.07); border-color: var(--crimson); }

/* fusion note + style seam map */
.fusion-note { font-family: var(--mono); font-size: 11.5px; color: var(--ink-soft);
  margin-top: var(--s2); letter-spacing: .02em; }
.fusion-note b { color: var(--ink); }
.warn-text { color: var(--crimson-deep); }

.seam-strip { display: flex; height: 40px; border: 1px solid var(--ink); border-radius: 3px;
  overflow: hidden; box-shadow: var(--sh-1); }
.seam-strip i { display: block; height: 100%; border-right: 1px solid rgba(29,24,18,.3); }
.seam-strip i:last-child { border-right: 0; }
.seam-legend { font-family: var(--mono); font-size: 12px; color: var(--ink-soft);
  margin-top: var(--s2); line-height: 1.7; }
.seam-legend b { letter-spacing: .04em; }

/* LLM summary, data fraud, figures */
.llm-summary { margin: var(--s4) 0 0; border-left: 3px solid var(--sage); border-radius: 0 3px 3px 0;
  background: rgba(79,111,82,.07); padding: var(--s3) var(--s4); font-family: var(--serif);
  font-size: 15px; line-height: 1.6; }
.llm-summary b { display: block; font-family: var(--mono); font-size: 11px;
  letter-spacing: .1em; color: var(--sage-deep); margin-bottom: 6px; }

.fraud-panel, .figure-panel { margin: var(--s4) 0 0; border: 1px solid var(--line);
  border-radius: var(--radius); background: rgba(255,255,255,.4); padding: var(--s3) var(--s4);
  font-family: var(--mono); font-size: 12.5px; line-height: 1.8; }
.fraud-panel.hot, .figure-panel.hot { border-color: var(--crimson);
  background: rgba(164,36,59,.07); box-shadow: var(--sh-1); }
.fraud-panel b, .figure-panel b { display: block; letter-spacing: .05em; }
.fraud-panel.hot b, .figure-panel.hot b { color: var(--crimson-deep); }
.fraud-panel span, .figure-panel span { color: var(--ink-soft); }

/* case history */
.case-history { margin-top: var(--s5); }
.hist-row { display: flex; gap: var(--s3); align-items: baseline; padding: 9px 10px;
  border-bottom: 1px dotted var(--line); font-family: var(--mono); font-size: 12.5px;
  cursor: pointer; border-radius: 3px; transition: background .18s; }
.hist-row:hover { background: rgba(255,255,255,.6); }
.hist-verdict { font-weight: 600; padding: 1px 7px; border: 1px solid var(--line); border-radius: 2px;
  letter-spacing: .05em; min-width: 90px; text-align: center; }
.hist-verdict.v-plagiarized { color: #fff; background: var(--crimson); border-color: var(--crimson); }
.hist-verdict.v-suspicious, .hist-verdict.v-review { color: var(--ink); background: var(--amber-soft); }
.hist-verdict.v-clean { color: #fff; background: var(--sage); border-color: var(--sage); }
.hist-title { flex: 1; color: var(--ink); }
.hist-meta { color: var(--ink-soft); }
#pdfBtn { margin-right: 0; text-decoration: none; }

/* ---------------- motion / responsive guards ---------------- */
@media (max-width: 560px) {
  .masthead { padding-top: var(--s7); }
  main { padding-left: var(--s4); padding-right: var(--s4); }
  .manuscript { padding: var(--s4) var(--s4); }
  .report-head { gap: var(--s3); }
  .stamp { transform: rotate(-3deg) scale(1); opacity: 1; animation: none; align-self: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important; animation-iteration-count: 1 !important;
    transition-duration: .01ms !important; scroll-behavior: auto !important;
  }
  .stamp { opacity: 1; transform: rotate(-4deg) scale(1); }
}