:root{--navy:#102a43;--blue:#1769aa;--cyan:#e8f4fc;--ink:#172b4d;--muted:#718096;--line:#e5edf5;--green:#12805c}*{box-sizing:border-box}body{margin:0;font-family:Inter,Segoe UI,Arial,sans-serif;color:var(--ink);background:#f3f7fb}.top{height:76px;background:var(--navy);color:white;display:flex;align-items:center;justify-content:space-between;padding:0 max(5vw,22px)}.brand{display:flex;align-items:center;gap:12px}.brand-icon{display:grid;place-items:center;width:40px;height:40px;background:#2b85bd;border-radius:12px;font-size:24px}.brand b{display:block;letter-spacing:.6px}.brand small{display:block;color:#b8d4e8;margin-top:4px}.admin-link{color:#fff;text-decoration:none;border:1px solid #67849e;border-radius:9px;padding:10px 14px}.kiosk-wrap{max-width:1120px;margin:42px auto;padding:0 22px;display:grid;grid-template-columns:minmax(0,1.6fr) minmax(230px,.8fr);gap:24px}.scan-card,.side-info,.panel{background:#fff;border:1px solid var(--line);border-radius:20px;padding:28px;box-shadow:0 12px 35px #183b5b0b}.eyebrow{font-size:11px;letter-spacing:1.5px;font-weight:800;color:var(--blue)}h1{font-size:28px;margin:10px 0}.muted{color:var(--muted);line-height:1.6}.camera-wrap{height:300px;background:#0b1e31;border-radius:16px;position:relative;overflow:hidden;margin:22px 0;display:grid;place-items:center}video{width:100%;height:100%;object-fit:cover;transform:scaleX(-1)}.scan-frame{position:absolute;width:190px;height:230px;border:2px solid #63d8bc;border-radius:48% 48% 44% 44%;box-shadow:0 0 0 999px #06182730}.camera-status{position:absolute;bottom:12px;color:white;background:#102a43cc;padding:7px 12px;border-radius:30px;font-size:12px}.event-types{display:grid;grid-template-columns:repeat(3,1fr);gap:9px}.type{background:#f3f7fb;border:1px solid var(--line);padding:12px 6px;border-radius:10px;color:var(--ink);cursor:pointer}.type.active{background:var(--cyan);border-color:#6aaed6;color:#075985;font-weight:700}.primary{border:0;background:var(--blue);color:white;border-radius:11px;padding:14px 20px;font-weight:700;cursor:pointer}.primary:disabled{opacity:.45;cursor:not-allowed}.wide{width:100%;margin-top:14px}.result{min-height:58px;margin-top:16px;padding:14px;border-radius:12px;background:#f3f7fb;color:#456;text-align:center;line-height:1.6}.result strong{color:var(--green)}.teacher-name{font-size:20px;font-weight:800;color:var(--navy)}.clock{font-size:36px;font-weight:800;color:var(--navy);font-variant-numeric:tabular-nums}.info-box{margin-top:28px;padding:18px;background:#f5f9fc;border-radius:13px}.info-box ol{padding-left:20px;color:#53677c;line-height:2}.sync-pill{margin-top:20px;color:var(--green);font-size:13px}.lesson-fields{display:flex;gap:8px;margin-top:12px}.lesson-fields input,.field{width:100%;padding:12px;border:1px solid var(--line);border-radius:9px;font:inherit}footer{text-align:center;color:#8797a8;padding:25px;font-size:12px}.auth{max-width:440px;margin:8vh auto;padding:20px}.auth .panel{padding:30px}.field{margin:7px 0 15px}.btn{display:inline-block;background:var(--blue);color:white;border:0;border-radius:9px;padding:11px 16px;text-decoration:none;cursor:pointer}.btn.secondary{background:#eaf2f8;color:var(--navy)}.nav{background:var(--navy);padding:16px 5vw;color:white;display:flex;justify-content:space-between}.content{max-width:1100px;margin:28px auto;padding:0 20px}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.stat{background:white;padding:20px;border-radius:14px;border:1px solid var(--line)}.stat strong{display:block;font-size:28px;margin-top:8px}.table{width:100%;border-collapse:collapse;background:white}.table th,.table td{padding:12px;border-bottom:1px solid var(--line);text-align:left;font-size:14px}.table th{background:#f4f8fb}.alert{padding:12px;background:#fff4df;border-radius:9px;margin:12px 0}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}@media(max-width:760px){.kiosk-wrap{grid-template-columns:1fr;margin:20px auto}.side-info{order:-1}.clock{font-size:28px}.scan-card{padding:18px}.camera-wrap{height:260px}.grid{grid-template-columns:1fr}.form-row{grid-template-columns:1fr}.top{padding:0 16px}}