.sapp{min-height:100dvh;background:radial-gradient(900px 420px at -10% -10%,#fde68a 0,transparent 50%),radial-gradient(700px 380px at 110% 0,#c4b5fd 0,transparent 46%),radial-gradient(600px 300px at 50% 110%,#99f6e4 0,transparent 40%),#eef4ff;color:#0f172a;display:flex;flex-direction:column;max-width:560px;margin:0 auto;animation:sapp-fade .5s ease}@keyframes sapp-fade{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}.sapp-top{position:sticky;top:0;z-index:5;display:flex;justify-content:space-between;align-items:flex-start;gap:12px;padding:16px 16px 12px;background:linear-gradient(180deg,#4f46e5,#2563eb);color:#fff;border-bottom:0}.sapp-top-actions{display:flex;gap:8px;align-items:center}.sapp-kicker{margin:0;font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:#c7d2fe}.sapp-sub{margin:2px 0 0;color:#e0e7ff;font-size:12px}.sapp-ghost{background:rgba(255,255,255,.14);color:#fff;border:0;border-radius:999px;padding:7px 12px;font-size:12px;text-decoration:none;display:inline-flex;align-items:center;gap:4px}.sapp-ghost.on{background:#fff;color:#4f46e5}.sapp-main{flex:1;padding:16px 16px 96px;display:grid;gap:14px;align-content:start}.sapp-card{background:#fff;border:0;border-radius:22px;padding:16px;box-shadow:0 12px 32px rgba(37,99,235,.08);animation:sapp-pop .45s ease}@keyframes sapp-pop{0%{opacity:0;transform:translateY(10px) scale(.98)}to{opacity:1;transform:none}}.sapp-card h2{margin:0 0 10px;font-size:17px}.sapp-shortcuts{display:grid;grid-template-columns:1fr 1fr;gap:10px}.sapp-short{display:grid;gap:4px;padding:14px;border-radius:18px;text-decoration:none;color:#0f172a;font-weight:700;min-height:86px;animation:sapp-pop .5s ease}.sapp-short small{font-weight:500;opacity:.8}.sapp-short.a{background:linear-gradient(160deg,#bfdbfe,#93c5fd)}.sapp-short.b{background:linear-gradient(160deg,#c4b5fd,#a78bfa)}.sapp-short.c{background:linear-gradient(160deg,#99f6e4,#5eead4)}.sapp-short.d{background:linear-gradient(160deg,#fde68a,#fcd34d)}.sapp-btn{display:inline-flex;align-items:center;justify-content:center;width:100%;height:46px;border:0;border-radius:14px;background:linear-gradient(180deg,#6366f1,#2563eb);color:#fff;font-weight:700;text-decoration:none}.sapp-btn.alt{background:#eef2ff;color:#3730a3}.sapp-btn:disabled{opacity:.45}.sapp-docs{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.sapp-doc-card{display:grid;justify-items:center;text-align:center;gap:6px;padding:12px 8px;min-height:118px;border-radius:16px;text-decoration:none;color:#0f172a;box-shadow:0 8px 20px rgba(15,23,42,.06);transition:transform .2s ease}.sapp-doc-card:active{transform:scale(.97)}.sapp-doc-card strong{font-size:12px;line-height:1.2}.sapp-doc-card small{font-size:10px;color:#475569}.sapp-doc-icon{width:40px;height:40px;border-radius:14px;display:grid;place-items:center;color:#fff}.tone-sky{background:#e0f2fe}.tone-sky .sapp-doc-icon{background:#0284c7}.tone-violet{background:#ede9fe}.tone-violet .sapp-doc-icon{background:#7c3aed}.tone-amber{background:#fef3c7}.tone-amber .sapp-doc-icon{background:#d97706}.tone-teal{background:#ccfbf1}.tone-teal .sapp-doc-icon{background:#0f766e}.tone-rose{background:#ffe4e6}.tone-rose .sapp-doc-icon{background:#e11d48}.tone-lime{background:#ecfccb}.tone-lime .sapp-doc-icon{background:#65a30d}.sapp-field{display:grid;gap:6px;font-size:13px;margin-bottom:8px}.sapp-field input,.sapp-field select,.sapp-field textarea{padding:12px;border-radius:12px;border:1px solid #c7d2fe;background:#f8fafc;color:#0f172a}.sapp-list{margin:0;padding:0;list-style:none;display:grid;gap:8px}.sapp-list li{display:flex;justify-content:space-between;gap:8px;font-size:13px;color:#334155;border-bottom:1px solid #e2e8f0;padding-bottom:8px}.sapp-muted{color:#64748b;font-size:13px;margin:0}.sapp-error{margin:0;color:#dc2626;font-size:13px}.sapp-tabs{position:fixed;left:50%;transform:translateX(-50%);bottom:0;width:min(560px,100%);display:grid;grid-template-columns:repeat(5,1fr);background:#fff;border-top:1px solid #e2e8f0;padding:6px 4px calc(8px + env(safe-area-inset-bottom));box-shadow:0 -8px 24px rgba(37,99,235,.08)}.sapp-tabs a{display:grid;justify-items:center;gap:2px;color:#94a3b8;text-decoration:none;font-size:11px;padding:6px 0}.sapp-tabs a.on{color:#4f46e5}.sapp-login{min-height:100dvh;display:grid;place-items:center;padding:24px 16px;background:radial-gradient(circle at 20% 20%,#fde68a,transparent 40%),radial-gradient(circle at 80% 0,#a78bfa,transparent 35%),linear-gradient(180deg,#dbeafe,#eef2ff)}.sapp-login form{width:min(400px,100%);display:grid;gap:12px;background:#fff;border-radius:24px;padding:24px;box-shadow:0 20px 50px rgba(79,70,229,.18)}.sapp-login .sapp-kicker{color:#4f46e5}.live-class-room{display:grid;gap:12px}.sapp-attend-wrap{display:grid;justify-items:center;gap:10px;padding:8px 0 4px}.sapp-attend-round{width:108px;height:108px;border:0;border-radius:50%;padding:8px;cursor:pointer;animation:sapp-pulse 2s ease infinite}.sapp-attend-round span{width:100%;height:100%;border-radius:50%;display:grid;place-items:center;background:#fff;color:#0f172a;font-weight:800}.sapp-attend-round.on span{background:linear-gradient(180deg,#4ade80,#16a34a);color:#fff}.sapp-attend-round.done{animation:none}.sapp-attend-round.done span{background:#0f766e;color:#fff}.sapp-attend-round:disabled{cursor:not-allowed;animation:none}@keyframes sapp-pulse{0%,to{transform:scale(1)}50%{transform:scale(1.04)}}.sapp-ticket{padding:12px;border-radius:14px;background:#f8fafc;border:1px solid #e2e8f0;display:grid;gap:6px}.sapp-pill{display:inline-flex;width:fit-content;padding:2px 8px;border-radius:999px;font-size:11px;font-weight:700;background:#fef3c7;color:#92400e}.sapp-pill.open{background:#fee2e2;color:#991b1b}.sapp-pill.resolved{background:#dcfce7;color:#166534}.sapp-pill.in_progress{background:#dbeafe;color:#1e40af}@media (max-width:380px){.sapp-docs{grid-template-columns:1fr 1fr}}