:root{--ink:#172033;--muted:#667085;--line:#e6eaf0;--paper:#fff;--bg:#f5f7fb;--primary:#6754e8;--primary2:#8b5cf6;--green:#18a66a;--red:#df4759;--amber:#f4a72c;--shadow:0 18px 50px rgba(33,40,66,.09)}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:"DM Sans",sans-serif}h1,h2,h3,.brand{font-family:Manrope,sans-serif}a{text-decoration:none;color:inherit}button,input{font:inherit}.shell{width:min(1180px,calc(100% - 36px));margin:auto}.shell.narrow{max-width:900px}.topbar{height:82px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:10px;font-weight:800}.brand span{display:grid;place-items:center;width:38px;height:38px;border-radius:12px;color:#fff;background:linear-gradient(135deg,var(--primary),var(--primary2));box-shadow:0 8px 20px #6754e84d}.nav-actions,.actions{display:flex;align-items:center;gap:12px}.nav-actions form{margin:0}.btn{border:0;border-radius:12px;padding:11px 18px;font-weight:700;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;transition:.2s}.btn:hover{transform:translateY(-1px)}.btn.primary{background:var(--primary);color:#fff;box-shadow:0 8px 18px #6754e83b}.btn.soft{background:#eeebff;color:#5745ce}.btn.ghost{background:#fff;border:1px solid var(--line)}.btn.danger{background:#fff0f1;color:var(--red)}.eyebrow{text-transform:uppercase;letter-spacing:.11em;font-size:12px;font-weight:800;color:var(--primary)}.page-heading{padding:45px 0 24px}.page-heading h1{font-size:clamp(30px,5vw,48px);margin:7px 0}.page-heading p{color:var(--muted);max-width:650px}.panel,.result-card,.review-card,.admin-stats article{background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow)}.admin-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.admin-stats article{padding:24px}.admin-stats span{display:block;color:var(--muted)}.admin-stats strong{font:800 34px Manrope;display:block;margin-top:8px}.admin-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:20px 0 60px}.panel{padding:26px}.panel h2{margin-top:0}.panel p,.empty-state{color:var(--muted)}.quick-links{display:grid;gap:8px;margin-top:20px}.quick-links a{display:flex;justify-content:space-between;padding:14px 16px;background:#f8f8fc;border-radius:12px;font-weight:700}.empty-state{padding:40px 20px;text-align:center;border:1px dashed #ccd2dc;border-radius:14px;margin-top:20px}.exam-player{min-height:100vh}.player-header{height:78px;background:#fff;border-bottom:1px solid var(--line);display:grid;grid-template-columns:1fr 1.5fr auto auto;gap:24px;align-items:center;padding:0 max(24px,calc((100vw - 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