:root{--bg:#0a0c12;--panel:#10131c;--panel-2:#151926;--border:#232a3d;--text:#e9ecf5;--muted:#8b93aa;--holo-a:#5ee7df;--holo-b:#66a6ff;--holo-c:#b490ca;--holo-d:#ff7eb3;--holo:linear-gradient(120deg,var(--holo-a),var(--holo-b) 38%,var(--holo-c) 70%,var(--holo-d));--danger:#ff6b81}*{box-sizing:border-box;margin:0;padding:0}body,html{background:var(--bg);color:var(--text);font-family:system-ui,Segoe UI,Roboto,sans-serif;min-height:100%}body{background-image:radial-gradient(1200px 600px at 70% -10%,rgba(102,166,255,.08),transparent 60%),radial-gradient(900px 500px at 10% 110%,rgba(255,126,179,.06),transparent 60%)}.display{font-family:Avenir Next,Segoe UI Variable Display,Segoe UI,system-ui,sans-serif;letter-spacing:.01em}.holo-text{background:var(--holo);-webkit-background-clip:text;background-clip:text;color:transparent}.shell{min-height:100vh;min-height:100dvh;display:flex;align-items:center;justify-content:center;padding:24px}.card{width:100%;max-width:400px;background:var(--panel);border:1px solid var(--border);border-radius:16px;padding:36px 32px}.logo-lockup{display:flex;flex-direction:column;align-items:center;gap:14px;margin-bottom:32px}.wordmark{display:inline-block;border:1.5px solid var(--text);padding:8px 18px;letter-spacing:.28em;font-weight:600;font-size:15px}.wordmark,label{text-transform:uppercase}label{display:block;font-size:12px;letter-spacing:.08em;color:var(--muted);margin:18px 0 6px}input{width:100%;background:var(--panel-2);border:1px solid var(--border);border-radius:10px;color:var(--text);font-size:15px;padding:12px 14px;outline:none}input:focus{border-color:var(--holo-b);box-shadow:0 0 0 3px rgba(102,166,255,.18)}button{width:100%;margin-top:26px;padding:13px 16px;border:none;border-radius:10px;background:var(--holo);color:#0a0c12;font-weight:700;font-size:15px;letter-spacing:.02em;cursor:pointer}button:disabled{opacity:.6;cursor:wait}button:focus-visible{outline:2px solid var(--text);outline-offset:2px}.error{margin-top:16px;color:var(--danger);font-size:14px}.topbar{display:flex;align-items:center;justify-content:space-between;padding:16px 24px;border-bottom:1px solid var(--border)}.topbar .wordmark{font-size:12px;padding:5px 12px;letter-spacing:.24em}.signout{width:auto;margin:0;padding:8px 14px;background:transparent;border:1px solid var(--border);color:var(--muted);font-weight:500;font-size:13px}.main{max-width:960px;margin:0 auto;padding:40px 24px}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));grid-gap:16px;gap:16px;margin-top:28px}.stat{background:var(--panel);border:1px solid var(--border);border-radius:14px;padding:22px}.stat .num{font-size:34px;font-weight:700}.stat .lbl{font-size:13px;margin-top:6px}.note,.stat .lbl{color:var(--muted)}.note{font-size:14px;margin-top:32px;line-height:1.6}@media (prefers-reduced-motion:no-preference){.card,.stat{animation:rise .4s ease both}@keyframes rise{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}}.panel{background:var(--panel);border:1px solid var(--border);border-radius:14px;padding:20px;margin-top:18px}select{width:100%;background:var(--panel-2);border:1px solid var(--border);border-radius:10px;color:var(--text);font-size:15px;padding:12px 14px;outline:none}select:focus{border-color:var(--holo-b)}.pills{display:flex;gap:8px;flex-wrap:wrap}.pill{width:auto;margin:0;padding:9px 16px;border-radius:999px;background:var(--panel-2);border:1px solid var(--border);color:var(--muted);font-weight:600;font-size:13px}.pill.active{background:var(--holo);color:#0a0c12;border-color:transparent}.btn-quiet{width:auto;margin-top:12px;padding:10px 16px;background:transparent;border:1px solid var(--border);color:var(--muted);font-weight:500;font-size:14px}.scan-video{width:100%;border-radius:12px;margin-bottom:12px;max-height:320px;object-fit:cover}.mathbox,.scan-video{border:1px solid var(--border)}.mathbox{margin-top:18px;border-radius:12px;padding:14px 16px;background:var(--panel-2);font-size:14px}.mathbox div{display:flex;justify-content:space-between;padding:4px 0;color:var(--muted)}.mathbox div span:last-child{color:var(--text);font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.mathbox .total{margin-top:6px;padding-top:10px;color:var(--text);font-weight:700}.mathbox .total,.session-row{border-top:1px solid var(--border)}.session-row{display:flex;justify-content:space-between;gap:12px;padding:8px 0;font-size:14px;color:var(--muted)}.session-row:first-of-type{border-top:none}.inv-table{width:100%;border-collapse:collapse;font-size:14px}.inv-table td,.inv-table th{padding:12px 16px;text-align:left;border-bottom:1px solid var(--border)}.inv-table th{color:var(--muted);font-size:12px;letter-spacing:.08em;text-transform:uppercase}.inv-table .r{text-align:right;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.inv-table tfoot td{border-bottom:none;font-size:15px}.quick-links{display:flex;gap:12px;margin-top:24px;flex-wrap:wrap}.quick-links a{display:inline-block;padding:12px 20px;border-radius:10px;background:var(--holo);color:#0a0c12;font-weight:700;font-size:14px;text-decoration:none}.quick-links a.quiet{background:var(--panel);border:1px solid var(--border);color:var(--text)}