:root{--navy: #1B2A6B;--navy-dark: #0F1A4E;--gold: #C9A227;--ink: #1f2937;--muted: #6b7280;--line: #e5e7eb;--bg: #f6f7fb}*{box-sizing:border-box}html,body{margin:0}body{font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:var(--ink);background:var(--bg)}.page{min-height:100vh}.top{display:flex;align-items:center;gap:12px;padding:12px 16px;background:var(--navy-dark);color:#fff}.top img{width:38px;height:38px;border-radius:50%;background:#fff}.top-name{margin:0;font-weight:700;font-size:15px}.top-sub{margin:0;font-size:12px;color:#c5cbea}.main{max-width:860px;margin:0 auto;padding:24px 16px 48px}.card{max-width:460px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px;box-shadow:0 1px 2px #0000000a}.title{margin:0 0 4px;font-size:19px;color:var(--navy-dark)}.student{margin:12px 0 2px;font-size:20px;color:var(--navy-dark)}.muted{margin:0 0 18px;color:var(--muted);font-size:14px}.label{display:block;margin:16px 0 6px;font-size:12px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:#9ca3af}.input{width:100%;padding:12px 14px;font-size:16px;border:1px solid #d1d5db;border-radius:10px;outline:none}.input:focus{border-color:var(--navy);box-shadow:0 0 0 3px #1b2a6b1f}.btn{width:100%;margin-top:16px;padding:12px 16px;font-size:15px;font-weight:600;color:#fff;background:var(--navy);border:0;border-radius:10px;cursor:pointer}.btn:disabled{opacity:.55;cursor:default}.btn.small{width:auto;margin:0;padding:9px 14px;font-size:14px}.link{background:none;border:0;padding:0;color:var(--navy);font-size:14px;cursor:pointer}.hint{margin:14px 0 0;font-size:12.5px;color:var(--muted);text-align:center}.error{margin:12px 0 0;padding:10px 12px;border-radius:8px;background:#fef2f2;color:#b91c1c;font-size:14px}.empty{color:var(--muted);font-size:14px;padding:14px 0}.list{list-style:none;margin:0;padding:0;border:1px solid var(--line);border-radius:12px;overflow:hidden}.list li+li{border-top:1px solid var(--line)}.list button{width:100%;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 16px;background:#fff;border:0;cursor:pointer;text-align:left;font:inherit}.list button:hover{background:#f9fafb}.list strong{display:block;color:var(--ink);font-size:15px}.list small{display:block;color:var(--muted);font-size:13px;margin-top:2px}.go{color:var(--navy);font-weight:600;font-size:14px;white-space:nowrap}.bar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}.paper{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden}.paper iframe{display:block;width:100%;border:0;min-height:600px}