:root{color-scheme:dark;--bg:#050b10;--bg2:#0b151d;--panel:rgba(7,18,24,0.88);--panel-strong:rgba(8,21,28,0.96);--line:rgba(91,255,214,0.15);--line-strong:rgba(91,255,214,0.28);--ink:#e5fff5;--muted:#7fa3a0;--accent:#5bffd6;--accent-soft:rgba(91,255,214,0.12);--accent-glow:rgba(91,255,214,0.22);--ok:#65f4a7;--warn:#ffc857;--bad:#ff6f7d;--shadow:0 30px 90px rgba(0,0,0,0.42)}*{box-sizing:border-box}body,html{margin:0;min-height:100%}body{font-family:IBM Plex Sans,Segoe UI,sans-serif;color:var(--ink);background:radial-gradient(circle at top left,rgba(91,255,214,.09),transparent 28%),radial-gradient(circle at 85% 15%,rgba(83,161,255,.1),transparent 24%),linear-gradient(180deg,var(--bg),var(--bg2));position:relative}body:before{content:"";position:fixed;inset:0;pointer-events:none;opacity:.38;background:linear-gradient(rgba(91,255,214,.03) 1px,transparent 0),linear-gradient(90deg,rgba(91,255,214,.03) 1px,transparent 0);background-size:28px 28px;-webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.85),transparent 95%);mask-image:linear-gradient(180deg,rgba(0,0,0,.85),transparent 95%)}a{color:inherit;text-decoration:none}a:hover{color:var(--accent)}button,input,select,textarea{font:inherit}.page-shell{width:min(1200px,calc(100% - 32px));margin:0 auto;padding:40px 0 56px}.auth-shell{min-height:100vh;display:grid;place-items:center;padding:24px}.auth-card{width:min(360px,100%);display:grid;grid-gap:12px;gap:12px;background:linear-gradient(180deg,rgba(10,25,33,.98),rgba(6,16,22,.96));border:1px solid var(--line-strong);border-radius:24px;box-shadow:var(--shadow);padding:22px}.auth-input{width:100%;border:1px solid var(--line);background:rgba(10,20,27,.88);border-radius:14px;padding:12px 14px;color:var(--ink)}.auth-submit{width:100%;justify-content:center}.auth-error{color:var(--muted);text-align:center;font-size:.9rem}.hero-card,.panel{background:linear-gradient(180deg,rgba(9,21,28,.98),rgba(5,14,20,.94));border:1px solid 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pre{margin:0;white-space:pre-wrap}.small{font-size:.92rem}.measurement-strip{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px}.measurement-dot-wrap{position:relative}.measurement-dot{width:14px;height:14px;border-radius:3px;border:1px solid rgba(91,255,214,.08);box-shadow:0 0 16px rgba(0,0,0,.18)}.measurement-dot-ok{background:rgba(47,123,77,.88)}.measurement-dot-unexpected{background:rgba(167,101,24,.88)}.measurement-dot-error{background:rgba(174,63,50,.88)}.measurement-tooltip{position:absolute;left:0;top:calc(100% + 8px);z-index:10;min-width:min(420px,calc(100vw - 72px));max-width:min(520px,calc(100vw - 72px));border:1px solid var(--line);border-radius:16px;background:rgba(4,12,17,.98);color:#dffef4;box-shadow:0 18px 50px rgba(20,14,10,.22);padding:12px 14px;opacity:0;pointer-events:none;transform:translateY(6px);transition:opacity .12s ease,transform .12s ease}.measurement-dot-wrap:focus-within .measurement-tooltip,.measurement-dot-wrap:hover 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