:root{
  color-scheme:dark;
  --bg:#05080d;--panel:rgba(8,12,18,.92);--panel2:rgba(13,20,29,.94);
  --border:rgba(255,255,255,.12);--text:#f1f5f9;--muted:#9aa9bd;
  --accent:#30b8d8;--accent2:#7ddfee;--good:#57d8a3;--warn:#f5c35b;
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%;background:var(--bg);color:var(--text)}
body{min-height:100dvh}
button,input{font:inherit}
button{cursor:pointer}
.app{min-height:100dvh;background:
  radial-gradient(circle at 15% 0%,rgba(48,184,216,.08),transparent 28rem),
  linear-gradient(180deg,#07101a 0,#05080d 24rem,#05080d 100%);
}
.hud{
  position:sticky;top:0;z-index:20;display:flex;align-items:flex-start;justify-content:space-between;gap:18px;
  padding:max(18px,env(safe-area-inset-top)) max(22px,env(safe-area-inset-right)) 15px max(22px,env(safe-area-inset-left));
  background:linear-gradient(to bottom,rgba(3,6,10,.95),rgba(3,6,10,.72) 78%,transparent);
  backdrop-filter:blur(10px)
}
.hud-title{max-width:720px}.eyebrow{color:#b8c6d8;font-size:10px;letter-spacing:.15em;font-weight:850}
.hud-title h1{margin:4px 0 4px;font-size:clamp(30px,4vw,46px);line-height:1;letter-spacing:-.045em}
.hud-title p{margin:0;color:#c4cfdd;font-size:13px;line-height:1.4}
.hud-actions{display:flex;align-items:center}.labs-link-top{
  display:inline-flex;align-items:center;padding:9px 12px;border:1px solid var(--border);border-radius:11px;
  background:rgba(5,8,13,.72);color:var(--accent2);text-decoration:none;font-size:11px;font-weight:850
}
.shell{width:min(1240px,calc(100% - 28px));margin:0 auto;padding:6px 0 28px}
.control-card,.video-card,.results-card,.chart-card{
  border:1px solid var(--border);border-radius:18px;background:var(--panel);box-shadow:0 18px 50px rgba(0,0,0,.18)
}
.control-card{padding:14px}.controls{display:flex;align-items:end;gap:10px;flex-wrap:wrap}
.field label{display:block;margin-bottom:5px;color:#9eafc5;font-size:10px;font-weight:800;letter-spacing:.04em}
.field input{height:42px;border:1px solid var(--border);border-radius:11px;padding:9px 11px;background:#0a111a;color:var(--text)}
.field-file{min-width:min(360px,100%);flex:1}.field-file input{width:100%}.compact input{width:96px}
.primary-btn{height:42px;border:0;border-radius:11px;padding:0 17px;background:var(--accent);color:#041119;font-weight:900;box-shadow:0 8px 28px rgba(48,184,216,.15)}
.primary-btn:hover{filter:brightness(1.06)}.primary-btn:disabled{opacity:.42;cursor:not-allowed;filter:none}
.status-area{margin-left:auto;align-self:center;display:flex;align-items:center;gap:10px;flex-wrap:wrap;justify-content:flex-end}
.status{color:#8394a9;font-size:11px;font-weight:750}.status.good{color:var(--good)}.status.warn{color:var(--warn)}
.converter-link{display:inline-flex;align-items:center;height:30px;padding:0 10px;border:1px solid rgba(245,195,91,.28);border-radius:10px;background:rgba(245,195,91,.08);color:#f4ce79;text-decoration:none;font-size:10.5px;font-weight:850}
.converter-link:hover{background:rgba(245,195,91,.14)}
.converter-link[hidden]{display:none}

.workspace{display:grid;grid-template-columns:minmax(360px,1fr) minmax(410px,1.12fr);gap:14px;margin-top:14px}
.video-card,.results-card{padding:14px}.stage{position:relative;width:100%;aspect-ratio:4/3;overflow:hidden;border-radius:14px;background:#000}
.stage video,.stage canvas{position:absolute;inset:0;width:100%;height:100%;object-fit:contain}.overlay{pointer-events:none}
.tip{margin-top:9px;color:#7f8fa4;font-size:10.5px;line-height:1.45}
.results-head,.chart-title-row{display:flex;align-items:flex-start;justify-content:space-between;gap:14px;margin-bottom:12px}
.results-head h2,.chart-title-row h2{margin:4px 0 0;font-size:21px;letter-spacing:-.03em}
.prototype-pill{padding:5px 9px;border:1px solid rgba(245,195,91,.22);border-radius:999px;background:rgba(245,195,91,.08);color:#f4ce79;font-size:10px;font-weight:850}
.metrics{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}
.metric{padding:13px;border:1px solid var(--border);border-radius:13px;background:var(--panel2)}
.metric span{display:block;color:#b1bfd0;font-size:10.5px;font-weight:800}.metric b{display:block;margin:6px 0 2px;font-size:clamp(24px,3vw,31px);letter-spacing:-.04em}
.metric small{display:block;color:#718198;font-size:9.5px;line-height:1.35}
.notice{margin-top:10px;padding:11px 12px;border:1px solid rgba(48,184,216,.12);border-radius:12px;background:rgba(48,184,216,.055);color:#91a2b7;font-size:10.5px;line-height:1.55}
.notice strong{color:#c8d4e2}

.chart-card{margin-top:14px;padding:14px}.chart-hint{color:#728298;font-size:10px;font-weight:750}.chartWrap{overflow:auto;position:relative}
#chart{display:block;width:100%;min-width:660px;height:400px;border:1px solid var(--border);border-radius:13px;background:#fff;cursor:pointer}

.footer{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:14px 4px 0;color:#6f8095;font-size:10.5px}
.footer p{margin:0}.footer a{color:var(--accent2);text-decoration:none;font-weight:850}.footer a:hover{text-decoration:underline}

@media(max-width:900px){
  .workspace{grid-template-columns:1fr}.status-area{width:100%;margin-left:0;justify-content:flex-start}.field-file{min-width:100%}
}
@media(max-width:560px){
  .hud{padding-left:max(14px,env(safe-area-inset-left));padding-right:max(14px,env(safe-area-inset-right))}
  .hud-title p{font-size:11px}.shell{width:min(100% - 18px,1240px)}
  .controls{align-items:stretch}.field.compact{flex:1}.field.compact input{width:100%}.primary-btn{width:100%}
  .metrics{grid-template-columns:1fr 1fr}.results-head h2,.chart-title-row h2{font-size:18px}
  #chart{height:340px}
  .footer{align-items:flex-start;flex-direction:column}.labs-link-top{padding:8px 9px}
}