:root{--bg:#f6f7f9;--surface:#fff;--ink:#121417;--muted:#667085;--line:#d9dee7;--brand:#0b6bcb;--brand-ink:#fff;--good:#0f7b45;--warn:#9a6700}*{box-sizing:border-box}body{background:var(--bg);color:var(--ink);margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}a{color:inherit;text-decoration:none}.page-shell,.admin-shell{max-width:1180px;margin:0 auto;padding:32px 20px 56px}.hero{flex-direction:column;align-items:flex-start;gap:18px;max-width:760px;padding-top:64px;display:flex}.hero h1,.admin-header h1{letter-spacing:0;margin:0;font-size:clamp(36px,6vw,68px);line-height:1}.hero p{color:var(--muted);margin:0;font-size:19px;line-height:1.5}.kicker{color:var(--brand);letter-spacing:0;text-transform:uppercase;margin:0 0 6px;font-size:13px;font-weight:800}.hero-actions,.admin-header,.panel-heading{align-items:center;gap:12px;display:flex}.admin-header{justify-content:space-between;margin-bottom:24px}.button{background:var(--surface);border:1px solid var(--line);cursor:pointer;border-radius:8px;justify-content:center;align-items:center;min-height:42px;padding:10px 14px;font-weight:750;display:inline-flex}.button.primary{background:var(--brand);border-color:var(--brand);color:var(--brand-ink)}.button.small{min-height:34px;padding:7px 10px}.button:disabled{cursor:wait;opacity:.6}.admin-grid{grid-template-columns:minmax(280px,420px) 1fr;gap:16px;display:grid}.panel{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:18px}.panel.wide{grid-column:1/-1}.auth-panel{max-width:420px}.panel h2,.answer h3,.answer h4{margin:0 0 14px}label{color:var(--muted);gap:6px;margin-bottom:12px;font-size:13px;font-weight:700;display:grid}input,textarea,select{border:1px solid var(--line);color:var(--ink);font:inherit;border-radius:8px;min-height:42px;padding:10px 12px}textarea{resize:vertical;min-height:92px}.mentor-list{gap:8px;display:grid}.mentor-row{border:1px solid var(--line);color:inherit;text-align:left;background:#f9fafb;border-radius:8px;justify-content:space-between;align-items:center;gap:10px;min-height:52px;padding:10px 12px;display:flex}.mentor-row.active{border-color:var(--brand);box-shadow:0 0 0 3px #0b6bcb1a}.mentor-select{color:inherit;cursor:pointer;text-align:left;background:0 0;border:0;flex:1;gap:4px;min-width:0;padding:0;display:grid}.mentor-row span,.mentor-select span{color:var(--good);text-transform:uppercase;font-size:12px;font-weight:800}.muted{color:var(--muted);margin:0 0 14px}.notice{background:#eaf4ff;border:1px solid #bdf;border-radius:8px;margin-top:16px;padding:12px 14px}.notice.warning{color:var(--warn);background:#fff7e6;border-color:#ffd88a;margin-top:0;margin-bottom:16px}.answer{border:1px solid var(--line);background:#f9fafb;border-radius:8px;margin-top:16px;padding:14px}.signout{margin-top:16px}.dev-camera-grid{grid-template-columns:minmax(320px,1.25fr) minmax(280px,.75fr);gap:16px;display:grid}.dev-video-shell{aspect-ratio:4/3;background:#0d1117;border-radius:8px;justify-content:center;align-items:center;width:100%;display:flex;position:relative;overflow:hidden}.dev-video{object-fit:cover;width:100%;height:100%}.dev-video-empty{color:#d0d7de;font-weight:800;position:absolute}.dev-video-empty.frozen{color:#ffd166;background:#121417b8;border:1px solid #ffd166b8;border-radius:8px;padding:10px 12px}.dev-video-reticle{pointer-events:none;border:2px solid #00d4ffe6;width:38%;height:38%;position:absolute;box-shadow:0 0 18px #00d4ff3d}.dev-status-list{color:var(--muted);gap:8px;margin-bottom:16px;display:grid}.dev-status-list p{margin:0}.checkbox-row{align-items:center;gap:8px;display:flex}.checkbox-row input{min-height:auto}.status-pill{border:1px solid var(--line);color:var(--good);text-transform:uppercase;border-radius:999px;padding:5px 9px;font-size:12px;font-weight:800}.status-pill.warning{color:var(--warn);border-color:#ffd88a}.answer p{margin:0;line-height:1.5}@media (max-width:820px){.admin-grid,.panel.wide,.dev-camera-grid{grid-column:auto;grid-template-columns:1fr;display:grid}}