/* ═══════════════════════════════════════════════════════════════
   WEDirector · THE CUTTING ROOM — visual system v2
   pro-NLE aesthetic: graphite, teal clips, coral playhead, amber timecode
   ═══════════════════════════════════════════════════════════════ */
:root{
  --bg:#0A0B0D; --panel:#121417; --panel-2:#181B1F; --panel-3:#1E2126;
  --ink:#F4F6F8; --dim:#A9B3BE; --faint:#6E7883;
  --teal:#3EE6C4; --teal-dim:rgba(62,230,196,.12); --teal-glow:rgba(62,230,196,.28);
  --coral:#FF5A45; --coral-glow:rgba(255,90,69,.3);
  --amber:#FFB454; --blue:#5B8DEF; --violet:#9B7BED;
  --line:rgba(255,255,255,.08); --line-2:rgba(255,255,255,.14);
  --fd:system-ui,-apple-system,"Segoe UI",Roboto,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  --fb:system-ui,-apple-system,"Segoe UI",Roboto,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  --fm:ui-monospace,"SF Mono","Cascadia Code",Menlo,Consolas,"Liberation Mono",monospace;
  --r:12px; --nav-h:62px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--ink);font-family:var(--fb);
  font-size:16.5px;line-height:1.68;overflow-x:hidden;-webkit-font-smoothing:antialiased}
::selection{background:var(--teal);color:#06231d}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
.mono{font-family:var(--fm)}
.dim{color:var(--dim)}

::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:var(--bg)}
::-webkit-scrollbar-thumb{background:#262b32;border-radius:6px;border:2px solid var(--bg)}
::-webkit-scrollbar-thumb:hover{background:#37404a}

/* film grain */
.grain{position:fixed;inset:-50%;z-index:90;pointer-events:none;opacity:.05;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  animation:grain 8s steps(10) infinite}
@keyframes grain{0%,100%{transform:translate(0,0)}20%{transform:translate(-3%,2%)}40%{transform:translate(2%,-3%)}60%{transform:translate(-2%,-2%)}80%{transform:translate(3%,3%)}}

/* reveal */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ═══════════════ NAV ═══════════════ */
.nav{position:fixed;inset:0 0 auto 0;z-index:100;height:var(--nav-h);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  background:rgba(10,11,13,.55);border-bottom:1px solid transparent;transition:.35s}
.nav.scrolled{background:rgba(10,11,13,.88);border-bottom-color:var(--line)}
.nav-inner{max-width:1340px;margin:0 auto;height:100%;padding:0 30px;display:flex;align-items:center;gap:34px}
.brand{display:inline-flex;align-items:center;font-family:var(--fd);font-weight:650;font-size:21px;letter-spacing:.01em}
.brand-mark{width:24px;height:24px;margin-right:9px;object-fit:contain}
.brand .accent,.accent{color:var(--teal)}
.nav-links{display:flex;gap:24px;margin-left:auto}
.nav-links a{font-family:var(--fm);font-size:11.5px;letter-spacing:.06em;color:var(--dim);
  position:relative;transition:color .25s}
.nav-links a::after{content:"";position:absolute;left:0;bottom:-5px;width:0;height:2px;background:var(--teal);transition:width .28s var(--ease)}
.nav-links a:hover{color:var(--ink)}
.nav-links a:hover::after{width:100%}
.nav-tc{font-size:11.5px;color:var(--amber);letter-spacing:.08em;opacity:.85;
  border:1px solid rgba(255,180,84,.25);padding:4px 10px;border-radius:6px;background:rgba(255,180,84,.05)}

/* ═══════════════ HERO — paper header as title card ═══════════════ */
.hero{position:relative;min-height:100vh;display:flex;flex-direction:column;
  justify-content:center;overflow:hidden;background:var(--bg)}
.hero-bg-art{position:absolute;inset:0;z-index:0;overflow:hidden;
  background:linear-gradient(158deg,#0b0f14 0%,#0d1218 38%,#101319 62%,#0b0d11 100%)}
.orb{position:absolute;border-radius:50%;will-change:transform;mix-blend-mode:screen}
.orb-teal{width:72vw;height:62vh;left:-16vw;top:-14vh;filter:blur(70px);
  background:radial-gradient(ellipse at 42% 46%,rgba(62,230,196,.42),rgba(62,230,196,.10) 52%,transparent 72%);
  animation:flow1 24s ease-in-out infinite alternate}
.orb-amber{width:56vw;height:56vh;right:-14vw;bottom:-12vh;filter:blur(80px);
  background:radial-gradient(ellipse at 58% 54%,rgba(255,180,84,.34),rgba(255,140,90,.08) 55%,transparent 74%);
  animation:flow2 31s ease-in-out infinite alternate}
.orb-violet{width:52vw;height:52vh;left:22vw;top:26vh;filter:blur(95px);opacity:.8;
  background:radial-gradient(ellipse at 50% 50%,rgba(106,92,255,.20),rgba(106,92,255,.04) 58%,transparent 76%);
  animation:flow3 38s ease-in-out infinite alternate}
@keyframes flow1{
  0%{transform:translate(0,0) scale(1) rotate(0deg)}
  50%{transform:translate(10vw,6vh) scale(1.14) rotate(6deg)}
  100%{transform:translate(4vw,12vh) scale(.94) rotate(-4deg)}}
@keyframes flow2{
  0%{transform:translate(0,0) scale(1)}
  50%{transform:translate(-9vw,-7vh) scale(1.1)}
  100%{transform:translate(-4vw,-13vh) scale(1.18)}}
@keyframes flow3{
  0%{transform:translate(0,0) scale(1)}
  50%{transform:translate(-12vw,5vh) scale(1.2)}
  100%{transform:translate(8vw,-8vh) scale(.9)}}
.hero-wall{position:absolute;inset:-8%;display:flex;flex-direction:column;justify-content:center;
  gap:22px;filter:blur(5px) saturate(1.25);opacity:.46;transform:rotate(-3deg) scale(1.14)}
.wall-row{display:flex;gap:22px;width:max-content}
.wall-row img{width:310px;aspect-ratio:16/9;object-fit:cover;border-radius:10px;flex:none}
.wall-row.r1{animation:wallL 64s linear infinite}
.wall-row.r2{animation:wallR 82s linear infinite}
@keyframes wallL{to{transform:translateX(-50%)}}
@keyframes wallR{from{transform:translateX(-50%)}to{transform:translateX(0)}}
.hero-flow{position:absolute;inset:0;width:100%;height:100%}
.hero-gridlines{position:absolute;inset:0;
  background:
    linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:56px 56px;
  -webkit-mask-image:radial-gradient(ellipse at 50% 45%,#000 20%,transparent 75%);
  mask-image:radial-gradient(ellipse at 50% 45%,#000 20%,transparent 75%)}
.hero-grain{position:absolute;inset:0;opacity:.055;mix-blend-mode:overlay;
  background-image:url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="180" height="180"><filter id="n"><feTurbulence type="fractalNoise" baseFrequency="0.85" numOctaves="2" stitchTiles="stitch"/></filter><rect width="180" height="180" filter="url(%23n)"/></svg>');
  background-size:180px 180px}
.hero-mask{position:absolute;inset:0;z-index:1;
  background:radial-gradient(ellipse at 50% 44%,rgba(10,11,13,.26) 0%,rgba(10,11,13,.55) 78%,rgba(10,11,13,.75) 100%)}
.hero-mask::after{content:"";position:absolute;inset:auto 0 0 0;height:34%;
  background:linear-gradient(180deg,transparent,var(--bg))}
.hero-content{flex:1;display:flex;flex-direction:column;justify-content:center;
  align-items:center;text-align:center;padding:110px 24px 60px;position:relative;z-index:2}
.hero-kicker{font-size:clamp(11px,1.3vw,13.5px);letter-spacing:.14em;color:var(--teal);margin-bottom:30px}
.hero h1{font-family:var(--fd);font-weight:700;font-size:clamp(64px,11.5vw,150px);
  line-height:.95;letter-spacing:-.028em}
.hero h1 em{font-style:normal;color:var(--teal);position:relative}
.hero h1 em::after{content:"";position:absolute;left:2%;right:2%;bottom:.02em;height:3px;
  background:var(--teal);box-shadow:0 0 18px var(--teal-glow)}
.hero-title{margin-top:26px;font-size:clamp(16px,2.3vw,23px);color:var(--ink);
  font-weight:500;line-height:1.5;letter-spacing:.01em}
.hero-authors{margin-top:30px;font-size:clamp(15px,1.8vw,18px);color:var(--ink)}
.hero-authors sup{color:var(--teal)}
.authors-note{font-size:.75em;color:var(--faint);font-style:italic}
.hero-affil{margin-top:6px;font-size:14px;color:var(--dim)}
.hero-affil sup{color:var(--teal)}
.hero-abstract{margin-top:30px;max-width:760px;font-size:clamp(14.5px,1.7vw,16.5px);
  color:var(--dim);line-height:1.75}
.hero-abstract b{color:var(--teal);font-weight:600}
.hero-res{display:flex;gap:14px;justify-content:center;margin-top:42px;flex-wrap:wrap}
.res-btn{display:inline-flex;align-items:center;gap:10px;padding:11px 24px;border-radius:999px;
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  color:var(--ink);font-family:var(--fm);font-size:12.5px;font-weight:600;letter-spacing:.14em;
  transition:.3s var(--ease)}
.res-btn svg{width:19px;height:19px;flex:none}
.res-btn:hover{transform:translateY(-2px)}
.res-hf{border:1px solid rgba(255,157,11,.45);background:rgba(255,157,11,.10)}
.res-hf:hover{border-color:rgba(255,157,11,.8);background:rgba(255,157,11,.18);
  box-shadow:0 8px 26px rgba(255,157,11,.18)}
.res-traj{border:1px solid rgba(62,230,196,.4);background:rgba(62,230,196,.07)}
.res-traj:hover{border-color:rgba(62,230,196,.75);background:rgba(62,230,196,.14);
  box-shadow:0 8px 26px rgba(62,230,196,.16)}
.res-arxiv{border:1px solid rgba(179,27,27,.5);background:rgba(179,27,27,.12)}
.res-arxiv:hover{border-color:rgba(220,60,60,.85);background:rgba(179,27,27,.2);
  box-shadow:0 8px 26px rgba(179,27,27,.2)}
.hero-cta{display:flex;gap:14px;justify-content:center;margin-top:18px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:10px;font-family:var(--fm);
  font-weight:600;font-size:13px;letter-spacing:.12em;border-radius:9px;
  padding:15px 26px;cursor:pointer;border:1px solid transparent;
  transition:transform .25s var(--ease),box-shadow .25s,background .25s,border-color .25s,color .25s}
.btn:active{transform:scale(.97)}
.btn-primary{background:var(--teal);color:#05231c;box-shadow:0 6px 26px rgba(62,230,196,.25)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 36px rgba(62,230,196,.4)}
.rec-dot{width:8px;height:8px;border-radius:50%;background:var(--coral);
  box-shadow:0 0 10px var(--coral-glow);animation:pulse 1.4s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.3}}
.btn-ghost{border-color:var(--line-2);color:var(--dim);background:rgba(255,255,255,.02)}
.btn-ghost:hover{color:var(--ink);border-color:var(--teal);transform:translateY(-2px)}

/* decorative hero film strips — full bleed top & bottom */
.film-edge{position:relative;flex:none;z-index:2}
.film-edge .film{border-radius:0;border-left:none;border-right:none}
.film{position:relative;background:#08090B;border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);overflow:hidden}
.film-holes{height:13px;
  background-image:repeating-linear-gradient(90deg,transparent 0 7px,rgba(255,255,255,.13) 7px 15px,transparent 15px 26px);
  background-size:26px 5px;background-repeat:repeat-x;background-position:center}
.film-frames{display:flex;gap:5px;padding:5px 7px;height:44px}
.ff{flex:1;border-radius:3px;border:1px solid rgba(62,230,196,.28);
  background:linear-gradient(180deg,rgba(62,230,196,.16),rgba(62,230,196,.04))}
.ff.c2{flex:1.6}.ff.c3{flex:.7;border-color:rgba(91,141,239,.3);background:linear-gradient(180deg,rgba(91,141,239,.16),rgba(91,141,239,.04))}
.ff.c4{flex:1.2}.ff.c5{flex:.8;border-color:rgba(155,123,237,.3);background:linear-gradient(180deg,rgba(155,123,237,.16),rgba(155,123,237,.04))}
.ff.c6{flex:1.5}.ff.c7{flex:.9;border-color:rgba(255,180,84,.3);background:linear-gradient(180deg,rgba(255,180,84,.14),rgba(255,180,84,.04))}
.ff.c8{flex:1.3}.ff.c9{flex:.8}

/* ═══════════════ SECTIONS ═══════════════ */
.section{max-width:1340px;margin:0 auto;padding:110px 30px 26px}
.section-head{text-align:center;max-width:820px;margin:0 auto 54px}
.tag{display:inline-block;font-size:11px;letter-spacing:.2em;color:var(--teal);
  border:1px solid rgba(62,230,196,.35);border-radius:99px;padding:7px 15px;
  background:var(--teal-dim);margin-bottom:20px}
.section-head h2{font-family:var(--fd);font-size:clamp(30px,4.6vw,48px);
  font-weight:650;letter-spacing:-.015em;line-height:1.16}
.cn-sub{display:block;font-size:.4em;color:var(--faint);font-weight:500;letter-spacing:.16em;margin-top:10px}
.section-head p{margin-top:18px;color:var(--dim);font-size:15.5px}

/* figure card with viewfinder corners */
.fig-card{position:relative;border:1px solid var(--line-2);border-radius:var(--r);
  overflow:hidden;background:var(--panel);transition:transform .35s var(--ease),border-color .35s,box-shadow .35s}
.fig-card:hover{transform:translateY(-4px);border-color:rgba(62,230,196,.4);
  box-shadow:0 20px 50px rgba(0,0,0,.5)}
.vf::before,.vf::after{content:"";position:absolute;width:18px;height:18px;z-index:2;
  border:2px solid var(--teal);opacity:.7;transition:opacity .3s}
.vf::before{top:10px;left:10px;border-right:none;border-bottom:none}
.vf::after{bottom:10px;right:10px;border-left:none;border-top:none}
.fig-card img{width:100%;background:#fff}
.fig-card figcaption{padding:12px 18px;font-size:11px;color:var(--faint);
  border-top:1px solid var(--line);letter-spacing:.06em}
.fig-wide{max-width:1150px;margin:0 auto}

/* ═══════════════ DECK (agent console) ═══════════════ */
.deck{border:1px solid var(--line-2);border-radius:18px;overflow:hidden;
  background:var(--panel);box-shadow:0 30px 80px rgba(0,0,0,.55)}
.deck-bar{display:flex;align-items:center;gap:14px;padding:12px 18px;
  background:var(--panel-2);border-bottom:1px solid var(--line)}
.rec{display:inline-flex;align-items:center;gap:7px;font-family:var(--fm);
  font-size:11px;letter-spacing:.14em;color:var(--coral)}
.rec i{width:8px;height:8px;border-radius:50%;background:var(--coral);
  box-shadow:0 0 10px var(--coral-glow);animation:pulse 1.2s infinite}
.deck-title{font-size:11px;letter-spacing:.16em;color:var(--dim)}
.deck-session{margin-left:auto;font-size:11px;color:var(--faint);letter-spacing:.1em}
.deck-clock{font-size:12px;color:var(--amber);letter-spacing:.06em;
  background:rgba(255,180,84,.06);border:1px solid rgba(255,180,84,.22);
  padding:3px 10px;border-radius:6px}
.deck-body{display:grid;grid-template-columns:1fr 1.12fr;min-height:640px}
.col-label{font-size:10px;letter-spacing:.18em;color:var(--faint);
  padding:12px 18px 10px;border-bottom:1px solid var(--line)}

/* chat stream */
.stream-col{display:flex;flex-direction:column;border-right:1px solid var(--line);min-width:0}
.stream{flex:1;padding:18px;font-family:var(--fb);font-size:13.5px;line-height:1.7;
  overflow-y:auto;max-height:640px;scrollbar-width:thin}
.msg{margin-bottom:14px;display:flex;flex-direction:column;opacity:0;animation:tin .35s forwards}
.msg.user{align-items:flex-end}
.msg.user .msg-body{max-width:86%;background:rgba(62,230,196,.1);border:1px solid rgba(62,230,196,.35);
  color:#d8f5ec;border-radius:14px 14px 4px 14px;padding:10px 15px;font-size:13.5px}
.msg.agent{align-items:flex-start}
.msg.agent .msg-body{width:100%;max-width:100%;background:var(--panel-2);
  border:1px solid var(--line);border-radius:4px 14px 14px 14px;padding:12px 15px}
.msg-who{font-size:9.5px;letter-spacing:.2em;color:var(--teal);margin-bottom:7px}
.msg-who .turn-no{color:var(--faint);letter-spacing:.08em}
.st-line{white-space:pre-wrap;word-break:break-word;font-family:var(--fm);font-size:12.3px;line-height:1.75}
.st-think{color:#93A0B0;font-style:italic;font-family:var(--fb);font-size:13px;margin:4px 0}
.st-think::before{content:"think › ";color:#57626e;font-style:normal;font-family:var(--fm);font-size:10.5px}
.st-call{color:var(--teal);font-weight:600}
.st-call::before{content:"→ ";color:var(--teal);opacity:.7}
.st-arg{color:#7ea6d8;padding-left:16px;font-size:11.5px}
.st-ok{color:#7ee2a8}
.st-ok::before{content:"✓ ";color:#3f9e68}
.st-warn{color:var(--amber)}
.st-warn::before{content:"⚠ ";color:#a97b2e}
.st-say{font-family:var(--fb);font-size:13.5px;color:var(--ink);margin-top:8px;
  padding-top:8px;border-top:1px dashed rgba(255,255,255,.1)}
.st-sys{color:var(--faint);font-size:11px;letter-spacing:.06em;text-align:center;margin:12px 0;font-family:var(--fm)}
.st-cursor{display:inline-block;width:8px;height:14px;background:var(--teal);
  vertical-align:-2px;animation:blink .9s steps(1) infinite;margin-left:2px}
@keyframes blink{50%{opacity:0}}
@keyframes tin{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}
.run-progress{height:3px;background:rgba(255,255,255,.06)}
.run-progress-fill{height:100%;width:0;background:linear-gradient(90deg,var(--teal),#7ef0d8);
  box-shadow:0 0 8px var(--teal-glow);transition:width .45s ease}

/* preview panel */
.preview{position:relative;margin:16px 18px 4px;border-radius:12px;overflow:hidden;
  border:1px solid var(--line-2);background:#000;aspect-ratio:16/9;flex:none}
.preview video{width:100%;height:100%;object-fit:cover;display:block;opacity:0;transition:opacity .6s}
.preview.live video{opacity:1}
.preview-slate{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;gap:10px;
  font-family:var(--fm);font-size:11px;letter-spacing:.22em;color:var(--faint);
  background:repeating-linear-gradient(45deg,#101215 0 14px,#0c0e10 14px 28px);
  transition:opacity .5s;z-index:2}
.preview.live .preview-slate{opacity:0;pointer-events:none}
.pv-badge{position:absolute;top:10px;left:10px;z-index:3;font-size:10.5px;letter-spacing:.14em;
  color:var(--teal);background:rgba(10,11,13,.78);border:1px solid rgba(62,230,196,.45);
  padding:4px 10px;border-radius:6px;opacity:0;transition:opacity .4s}
.preview.live .pv-badge{opacity:1}
.pv-badge.bump{animation:pvbump .55s var(--ease)}
@keyframes pvbump{35%{transform:scale(1.18);box-shadow:0 0 18px var(--teal-glow)}}

/* NLE timeline */
.tl-col{display:flex;flex-direction:column;position:relative;min-width:0}
.nle{position:relative;margin:12px 18px 10px;border:1px solid var(--line);
  border-radius:10px;background:var(--bg);overflow:hidden;flex:none}
.nle-ruler{height:22px;border-bottom:1px solid var(--line);margin-left:46px;
  background:repeating-linear-gradient(90deg,rgba(255,255,255,.18) 0 1px,transparent 1px 10%),
             repeating-linear-gradient(90deg,rgba(255,255,255,.34) 0 1px,transparent 1px 25%);
  background-size:auto 7px,auto 14px;background-repeat:repeat-x;background-position:bottom left}
.nle-track{display:flex;align-items:stretch;height:52px;border-bottom:1px solid var(--line)}
.nle-track[data-track="t"]{height:38px}
.nle-track[data-track="a1"]{height:42px}
.nle-track[data-track="a2"]{height:34px;border-bottom:none}
.trk{flex:none;width:46px;display:grid;place-items:center;font-size:10px;
  letter-spacing:.1em;color:var(--faint);background:var(--panel-2);border-right:1px solid var(--line)}
.trk-lane{position:relative;flex:1}
.clip{position:absolute;top:5px;bottom:5px;border-radius:4px;
  display:flex;align-items:center;padding:0 7px;font-family:var(--fm);font-size:9.5px;
  letter-spacing:.04em;color:rgba(4,20,16,.85);white-space:nowrap;overflow:hidden;
  opacity:0;transform:scaleX(.6);transform-origin:left;
  transition:opacity .45s var(--ease),transform .45s var(--ease),box-shadow .3s,filter .3s}
.clip.on{opacity:1;transform:none}
.clip.ghost{border:1px dashed rgba(62,230,196,.5);background:rgba(62,230,196,.05);color:var(--teal)}
.clip.solid{background:linear-gradient(180deg,#4fe8c9,#2bb79a);border:1px solid #6ff0d6}
.clip.txt{background:linear-gradient(180deg,#ffc06a,#e89b3c);border:1px solid #ffd08f;color:#3a2404}
.clip.aud{background:repeating-linear-gradient(90deg,#3b7fd4 0 2px,#2a5ea3 2px 4px);border:1px solid #6ea5ec;color:#eaf3ff}
.clip.bgm{background:linear-gradient(180deg,#8f6fe0,#6c4fc4);border:1px solid #a98cf0;color:#f0eaff}
.clip.broken{filter:saturate(.2) brightness(.75);border:1px solid var(--coral);
  box-shadow:inset 0 0 0 1px var(--coral),0 0 14px var(--coral-glow);animation:clipshake .5s 2}
@keyframes clipshake{0%,100%{transform:translateX(0)}25%{transform:translateX(-2px)}75%{transform:translateX(2px)}}
.clip.fixed{box-shadow:0 0 16px rgba(126,226,168,.5);border-color:#7ee2a8}
.clip.solid.alt{background:linear-gradient(180deg,#6ea5ec,#3b6fd4);border-color:#9cc0f0}
.clip.txt.minimal{background:linear-gradient(180deg,#e8e6df,#b9b5a8);border-color:#f2f0e9;color:#222}
.clip.swapping{animation:swapflash .5s 3}
@keyframes swapflash{50%{filter:brightness(1.7)}}
.nle-playhead{position:absolute;top:0;bottom:0;width:2px;background:var(--coral);
  box-shadow:0 0 10px var(--coral-glow);left:46px;opacity:0;transition:left .7s var(--ease),opacity .4s}
.nle-playhead::before{content:"";position:absolute;top:0;left:-5px;
  border:6px solid transparent;border-top:7px solid var(--coral)}

/* state chips */
.state-chips{display:flex;gap:10px;flex-wrap:wrap;padding:6px 18px 16px}
.chip{flex:1;min-width:104px;border:1px solid var(--line);border-radius:9px;
  padding:8px 12px;background:var(--panel-2);transition:border-color .3s,background .3s}
.chip label{display:block;font-size:9px;letter-spacing:.16em;color:var(--faint);text-transform:uppercase}
.chip b{font-size:15px;color:var(--ink);font-weight:600;transition:color .3s}
.chip.warn-chip.hot{border-color:rgba(255,180,84,.5);background:rgba(255,180,84,.07)}
.chip.warn-chip.hot b{color:var(--amber)}
.chip.bump b{animation:bump .5s var(--ease)}
@keyframes bump{30%{transform:scale(1.22);color:var(--teal)}}


.deck-foot{display:flex;align-items:center;gap:18px;padding:12px 18px;
  border-top:1px solid var(--line);background:var(--panel-2)}
.btn-mini{font-size:11px;letter-spacing:.1em;padding:8px 16px;border-radius:8px;
  border:1px solid var(--line-2);color:var(--dim);background:transparent;
  font-family:var(--fm);cursor:pointer;transition:.25s}
.btn-mini:hover{color:var(--teal);border-color:var(--teal)}
.foot-note{font-size:11px;color:var(--faint);font-family:var(--fm);letter-spacing:.03em}

/* ═══════════════ METHOD ═══════════════ */
.method-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:24px;align-items:start;margin-top:26px}
.roles{display:flex;flex-direction:column;gap:11px}
.role{display:flex;gap:16px;border:1px solid var(--line);border-radius:var(--r);
  padding:15px 18px;background:var(--panel);transition:border-color .3s,background .3s,transform .3s var(--ease)}
.role:hover{border-color:rgba(62,230,196,.45);background:var(--panel-2);transform:translateX(6px)}
.role-no{color:var(--teal);font-size:12px;padding-top:3px;opacity:.9}
.role b{font-family:var(--fd);font-size:16px;letter-spacing:.02em}
.role p{font-size:13px;color:var(--dim);margin-top:2px}
.role-cn{font-size:11.5px;color:var(--faint);letter-spacing:.08em}

/* data stats */
.data-stats{display:flex;gap:16px;justify-content:center;margin-top:30px;flex-wrap:wrap}
.dstat{text-align:center;border:1px solid var(--line);border-radius:var(--r);
  padding:20px 34px;background:var(--panel)}
.dstat b{display:block;font-size:clamp(26px,3vw,36px);font-weight:650;color:var(--teal)}
.dstat span{font-size:12px;color:var(--faint);letter-spacing:.06em}

/* ═══════════════ GALLERY — film strip ═══════════════ */
.film{position:relative;background:#0d0e11;border:1px solid var(--line-2);border-radius:16px;overflow:hidden}
.sprocket{height:22px;background-image:radial-gradient(rgba(255,255,255,.16) 3.5px,transparent 4px);
  background-size:26px 12px;background-position:center;background-repeat:repeat-x}
.sprocket.top{border-bottom:1px solid var(--line)}
.sprocket.bottom{border-top:1px solid var(--line)}
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;padding:26px}
.card{border:1px solid var(--line-2);border-radius:12px;overflow:hidden;
  background:var(--panel);cursor:pointer;
  transition:transform .4s var(--ease),border-color .4s,box-shadow .4s}
.card:hover{transform:translateY(-7px);border-color:rgba(62,230,196,.5);
  box-shadow:0 24px 55px rgba(0,0,0,.55),0 0 40px rgba(62,230,196,.08)}
.card-media{position:relative;overflow:hidden;aspect-ratio:16/9}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease)}
.card:hover .card-media img{transform:scale(1.06)}
.card-media::after{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 50%,rgba(10,11,13,.8) 100%)}
.card-play{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:56px;height:56px;border-radius:50%;display:grid;place-items:center;
  background:rgba(62,230,196,.14);border:1px solid rgba(62,230,196,.55);color:var(--teal);
  font-size:16px;padding-left:4px;backdrop-filter:blur(6px);z-index:2;
  transition:background .3s,transform .3s var(--ease),box-shadow .3s}
.card:hover .card-play{background:rgba(62,230,196,.28);transform:translate(-50%,-50%) scale(1.12);
  box-shadow:0 0 28px var(--teal-glow)}
.card-tc{position:absolute;right:10px;bottom:9px;z-index:2;font-size:10.5px;
  color:var(--amber);background:rgba(10,11,13,.72);border:1px solid rgba(255,180,84,.3);
  padding:2px 8px;border-radius:5px;letter-spacing:.06em}
.card-body{padding:14px 16px 16px}
.card-body h3{font-family:var(--fd);font-size:16.5px;font-weight:600}
.card-body .cn{font-size:12px;color:var(--faint);margin-top:3px;letter-spacing:.05em}
.card.mini .card-body h3{font-size:14.5px}
.card.mini .card-body{padding:11px 14px 13px}

/* lightbox */
.lightbox{position:fixed;inset:0;z-index:300;display:grid;place-items:center;
  background:rgba(4,5,6,.92);backdrop-filter:blur(10px);
  opacity:0;pointer-events:none;transition:opacity .35s}
.lightbox.open{opacity:1;pointer-events:auto}
.lightbox video{width:min(1080px,92vw);max-height:82vh;border-radius:12px;
  border:1px solid var(--line-2);box-shadow:0 40px 120px rgba(0,0,0,.85);background:#000}
.lightbox-close{position:absolute;top:24px;right:30px;width:44px;height:44px;border-radius:50%;
  border:1px solid var(--line-2);background:var(--panel-2);color:var(--dim);
  font-size:16px;cursor:pointer;transition:.25s}
.lightbox-close:hover{color:var(--ink);border-color:var(--teal);transform:rotate(90deg)}

/* ═══════════════ RESULTS ═══════════════ */
.tbl-wrap{border:1px solid var(--line-2);border-radius:14px;overflow:hidden;
  background:var(--panel);margin-bottom:26px}
.tbl{width:100%;border-collapse:collapse;font-size:12.5px}
.tbl th{font-size:10px;letter-spacing:.14em;color:var(--faint);font-weight:500;
  padding:13px 12px;border-bottom:1px solid var(--line-2);background:var(--panel-2);text-align:center}
.tbl td{padding:10.5px 12px;text-align:center;color:var(--dim);border-bottom:1px solid var(--line)}
.tbl .l{text-align:left;color:var(--ink);font-weight:500}
.tbl tbody tr{transition:background .2s}
.tbl tbody tr:hover td{background:rgba(62,230,196,.04)}
.tbl tr.grp td{background:rgba(255,255,255,.025);color:var(--faint);font-size:10px;
  letter-spacing:.2em;text-align:left;padding:7px 12px;border-bottom:1px solid var(--line)}
.tbl tr.ours td{background:var(--teal-dim);color:var(--ink);border-bottom:1px solid rgba(62,230,196,.3)}
.tbl tr.ours td.l{color:var(--teal);font-weight:700}
.tbl b{color:var(--ink)}
.tbl tr.ours b{color:var(--teal)}
.tbl-note{padding:11px 16px;font-size:11.5px;color:var(--faint);border-top:1px solid var(--line)}
.results-split{display:grid;grid-template-columns:1.25fr 1fr;gap:24px}
.results-split .tbl-wrap{margin-bottom:0;display:flex;flex-direction:column}
.results-split .tbl{flex:1}
.tbl-wrap{overflow-x:auto}

/* results: figure stacked above conclusion — no side whitespace */
.results-stack{display:flex;flex-direction:column;gap:24px;margin-top:26px}
.results-stack .fig-card{max-width:1020px;width:100%;margin:0 auto}
.results-stack .conclusion{display:grid;grid-template-columns:1fr 1fr;gap:6px 30px}
.results-stack .conclusion h3{grid-column:1/-1}
.conclusion{border:1px solid var(--line-2);border-radius:14px;background:var(--panel);padding:26px 26px 20px}
.conclusion h3{font-size:13px;letter-spacing:.2em;color:var(--teal);margin-bottom:18px}
.cn-sub2{font-size:.8em;color:var(--faint);letter-spacing:.1em}
.c-item{display:flex;gap:14px;margin-bottom:15px}
.c-key{color:var(--teal);font-size:15px;line-height:1.5}
.c-item p{font-size:13.8px;color:var(--dim);line-height:1.7}
.c-item b{color:var(--ink);font-weight:600}

/* ═══════════════ EVAL SANDBOX ═══════════════ */
.eval{border:1px solid var(--line-2);border-radius:18px;overflow:hidden;
  background:var(--panel);box-shadow:0 30px 80px rgba(0,0,0,.55)}
.eval-body{display:grid;grid-template-columns:1fr 1.15fr;min-height:420px}
.eval-left{border-right:1px solid var(--line);display:flex;flex-direction:column;min-width:0}
.eval-video{position:relative;margin:14px 16px 10px;border-radius:10px;overflow:hidden;
  border:1px solid var(--line-2);background:#000;flex:none}
.eval-video video{width:100%;aspect-ratio:16/9;object-fit:cover;display:block;opacity:.92}
.eval-vtag{position:absolute;left:10px;bottom:9px;font-size:10px;letter-spacing:.1em;
  color:var(--amber);background:rgba(10,11,13,.78);border:1px solid rgba(255,180,84,.3);
  padding:2px 8px;border-radius:5px}
.eval-strip{display:grid;grid-template-columns:repeat(8,1fr);gap:6px;padding:4px 16px 6px}
.eval-strip .sframe{position:relative;aspect-ratio:16/9;border-radius:5px;overflow:hidden;
  border:1px solid var(--line);opacity:0;transform:translateY(8px) scale(.92);
  transition:opacity .4s var(--ease),transform .4s var(--ease),border-color .3s,box-shadow .3s}
.eval-strip .sframe.on{opacity:1;transform:none}
.eval-strip .sframe img{width:100%;height:100%;object-fit:cover}
.eval-strip .sframe .fts{position:absolute;left:3px;bottom:2px;font-family:var(--fm);
  font-size:7.5px;color:var(--amber);background:rgba(10,11,13,.8);padding:0 3px;border-radius:2px}
.eval-strip .sframe.flash{border-color:var(--teal);box-shadow:0 0 12px var(--teal-glow)}
.eval-strip-label{padding:0 16px 14px;font-size:9px;letter-spacing:.2em;color:var(--faint)}
.eval-right{display:flex;flex-direction:column;min-width:0}
.eval-term{flex:1;padding:14px 16px;font-family:var(--fm);font-size:12.2px;line-height:1.75;
  overflow-y:auto;max-height:330px;scrollbar-width:thin}
.ev-line{white-space:pre-wrap;word-break:break-word;opacity:0;animation:tin .25s forwards}
.ev-call{color:var(--teal);font-weight:600}
.ev-call::before{content:"→ ";opacity:.7}
.ev-arg{color:#7ea6d8;padding-left:16px;font-size:11.3px}
.ev-ok{color:#7ee2a8}
.ev-ok::before{content:"✓ ";color:#3f9e68}
.ev-obs{color:#c8b08a}
.ev-obs::before{content:"◉ ";color:var(--amber)}
.ev-obs b{color:var(--amber);font-weight:600}
.ev-json{color:#c9d4e3;padding-left:8px;border-left:2px solid rgba(62,230,196,.35);margin:6px 0 4px 4px}
.ev-json .k{color:var(--teal)}
.ev-sys{color:var(--faint);font-size:10.5px;letter-spacing:.08em;text-align:center;margin:8px 0}
.ev-cursor{display:inline-block;width:7px;height:13px;background:var(--amber);
  vertical-align:-2px;animation:blink .9s steps(1) infinite;margin-left:2px}
.eval-tiles{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;padding:10px 16px 16px}
.etile{position:relative;aspect-ratio:16/9;border-radius:7px;overflow:hidden;
  border:1px solid var(--line-2);opacity:0;transform:scale(.9);
  transition:opacity .45s var(--ease),transform .45s var(--ease),border-color .3s,box-shadow .3s}
.etile.on{opacity:1;transform:none}
.etile img{width:100%;height:100%;object-fit:cover}
.etile .ett{position:absolute;left:5px;bottom:4px;font-family:var(--fm);font-size:8.5px;
  color:var(--amber);background:rgba(10,11,13,.82);padding:1px 5px;border-radius:3px}
.etile .tid{position:absolute;top:4px;left:5px;font-family:var(--fm);font-size:8.5px;
  color:var(--teal);background:rgba(10,11,13,.82);padding:1px 5px;border-radius:3px}
.etile.cited{border-color:var(--amber);box-shadow:0 0 14px rgba(255,180,84,.45)}
.eval-scores{display:grid;grid-template-columns:1fr 1fr;gap:16px;
  padding:16px 18px 18px;border-top:1px solid var(--line);background:var(--panel-2)}
.edim{border:1px solid var(--line);border-radius:12px;padding:16px 18px;background:var(--panel);
  opacity:.3;transform:translateY(6px);transition:opacity .6s var(--ease),transform .6s var(--ease),border-color .6s}
.edim.show{opacity:1;transform:none;border-color:rgba(62,230,196,.35)}
.ed-head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px}
.ed-name h4{font-family:var(--fm);font-size:13px;letter-spacing:.16em;color:var(--teal);margin-bottom:3px}
.ed-name span{font-size:10.5px;color:var(--faint);letter-spacing:.04em}
.ed-score{flex:none;font-family:var(--fm)}
.ed-score b{font-size:30px;color:var(--amber);letter-spacing:0}
.ed-score span{font-size:11px;color:var(--faint)}
.es-bar{height:5px;border-radius:3px;background:rgba(255,255,255,.07);margin:11px 0;overflow:hidden}
.es-bar i{display:block;height:100%;width:0;border-radius:3px;
  background:linear-gradient(90deg,#2bb79a,var(--teal));box-shadow:0 0 8px var(--teal-glow);
  transition:width 1.2s var(--ease)}
.edim.show .es-bar i{width:var(--w)}
.ed-reason{font-size:12.3px;color:var(--dim);line-height:1.7;margin-bottom:12px}
.ed-evi{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.ed-evi figure{margin:0}
.ed-evi img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:6px;
  border:1px solid var(--line-2);display:block}
.ed-evi figcaption{font-size:8.5px;letter-spacing:.1em;color:var(--faint);margin-top:4px}

/* ═══════════════ VERSUS ═══════════════ */
.vs-tabs{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-bottom:22px}
.vs-tab{display:flex;flex-direction:column;align-items:center;gap:2px;padding:11px 22px;
  border:1px solid var(--line-2);border-radius:11px;background:var(--panel);color:var(--dim);
  font-family:var(--fm);font-size:13px;letter-spacing:.05em;cursor:pointer;
  transition:.28s var(--ease)}
.vs-tab span{font-size:9.5px;letter-spacing:.14em;color:var(--faint);text-transform:uppercase}
.vs-tab:hover{border-color:rgba(62,230,196,.4);color:var(--ink);transform:translateY(-2px)}
.vs-tab.on{border-color:var(--teal);color:var(--teal);background:var(--teal-dim);
  box-shadow:0 6px 22px rgba(62,230,196,.14)}
.vs-tab.on span{color:rgba(62,230,196,.7)}
.vs-stage{display:grid;grid-template-columns:1fr auto 1fr;gap:18px;align-items:center}
.vs-frame video{transition:opacity .35s}
.vs-frame.fading video{opacity:0}
.vs-caption{text-align:center;margin-top:16px;font-size:11px;letter-spacing:.16em;color:var(--faint)}
.vs-side{display:flex;flex-direction:column;gap:10px}
.vs-tag{display:flex;align-items:center;gap:9px;font-size:11px;letter-spacing:.18em;color:var(--dim)}
.vs-dot{width:9px;height:9px;border-radius:50%}
.vs-dot.teal{background:var(--teal);box-shadow:0 0 10px var(--teal-glow)}
.vs-dot.gray{background:#6a7178}
.vs-frame{border:1px solid rgba(62,230,196,.4);border-radius:14px;overflow:hidden;
  background:#000;box-shadow:0 18px 50px rgba(0,0,0,.5)}
.vs-frame.dim-frame{border-color:var(--line-2)}
.vs-frame video{width:100%;aspect-ratio:16/9;display:block;cursor:pointer}
.vs-mid{display:flex;flex-direction:column;align-items:center;gap:10px}
.vs-play{width:66px;height:66px;border-radius:50%;border:1px solid rgba(62,230,196,.55);
  background:rgba(62,230,196,.1);color:var(--teal);font-size:19px;padding-left:5px;cursor:pointer;
  transition:.3s var(--ease);backdrop-filter:blur(6px)}
.vs-play:hover{background:rgba(62,230,196,.22);transform:scale(1.08);box-shadow:0 0 30px var(--teal-glow)}
.vs-play.playing{background:var(--teal);color:#05231c}
.vs-label{font-size:9.5px;letter-spacing:.24em;color:var(--faint)}
.album{border:1px solid var(--line-2);border-radius:14px;background:var(--panel);overflow:hidden}
.album-head{padding:13px 18px;font-size:11px;letter-spacing:.2em;color:var(--teal);
  border-bottom:1px solid var(--line);background:var(--panel-2)}
.album-head span{color:var(--faint);margin-left:12px;letter-spacing:.12em}
.album-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;padding:18px}

/* ═══════════════ BIBTEX ═══════════════ */
.bib{max-width:820px;margin:0 auto;border:1px solid var(--line-2);border-radius:14px;
  overflow:hidden;background:var(--panel)}
.bib-bar{display:flex;align-items:center;justify-content:space-between;
  padding:11px 16px;background:var(--panel-2);border-bottom:1px solid var(--line)}
.bib-bar .mono{font-size:10.5px;letter-spacing:.2em;color:var(--faint)}
.bib pre{padding:20px 22px;font-size:13px;line-height:1.75;color:#c9d4e3;overflow-x:auto}
.bib pre .hl{color:var(--teal)}
.bib.copied .bib-bar .btn-mini{color:var(--teal);border-color:var(--teal)}

/* ═══════════════ FOOTER ═══════════════ */
.footer{margin-top:130px;border-top:1px solid var(--line);background:#070809;overflow:hidden}
.footer-inner{max-width:1340px;margin:0 auto;padding:34px 30px;
  display:flex;align-items:center;gap:26px;flex-wrap:wrap;justify-content:space-between}
.footer-brand{display:inline-flex;align-items:center;font-family:var(--fd);font-weight:650;font-size:18px}
.footer-note{font-size:10.5px;letter-spacing:.18em;color:var(--faint)}

/* ═══════════════ RESPONSIVE ═══════════════ */
@media (max-width:1080px){
  .deck-body{grid-template-columns:1fr}
  .stream-col{border-right:none;border-bottom:1px solid var(--line)}
  .stream{max-height:420px}
  .method-grid,.results-split{grid-template-columns:1fr}
  .results-stack .conclusion{grid-template-columns:1fr}
  .eval-body{grid-template-columns:1fr}
  .eval-left{border-right:none;border-bottom:1px solid var(--line)}
  .eval-scores{grid-template-columns:1fr}
  .vs-stage{grid-template-columns:1fr}
  .vs-mid{flex-direction:row;justify-content:center}
  .nav-links{display:none}
}
@media (max-width:640px){
  .gallery{grid-template-columns:1fr}
  .album-strip{grid-template-columns:1fr}
  .hero-cta .btn{padding:13px 18px;font-size:12px}
  .state-chips{padding-bottom:12px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001s!important;transition-duration:.001s!important}
  html{scroll-behavior:auto}
}

/* footer gradient fade — pure color, no text */
.footer-fade{height:200px;margin-top:34px;pointer-events:none;
  background:linear-gradient(90deg,#3ee6c4,#4fd8d0,#59c2ff,#4f8dff,#7a5cff);
  filter:blur(70px);opacity:.5;
  -webkit-mask-image:linear-gradient(180deg,transparent 0%,#000 62%);
  mask-image:linear-gradient(180deg,transparent 0%,#000 62%);
  transform:translateY(46%)}