:root{--bg: #0f1115;--card: #1a1d24;--border: #2a2e37;--text: #e8eaed;--muted-text: #9aa0aa;--primary: #4f8cff;--danger: #ef4444;--green: #22c55e}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--text)}.app{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;padding:24px}.card{width:100%;max-width:360px;background:var(--card);border:1px solid var(--border);border-radius:16px;padding:28px 24px;box-shadow:0 10px 40px #0006}h1{margin:0 0 20px;font-size:22px;font-weight:600;text-align:center}.join{display:flex;flex-direction:column;gap:10px}label{font-size:13px;color:var(--muted-text)}input{width:100%;padding:12px 14px;font-size:15px;color:var(--text);background:#12141a;border:1px solid var(--border);border-radius:10px;outline:none}input:focus{border-color:var(--primary)}.btn{padding:12px 16px;font-size:15px;font-weight:600;border:none;border-radius:10px;cursor:pointer;transition:opacity .15s,transform .05s;color:#fff}.btn:active{transform:scale(.98)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--primary);margin-top:4px}.btn-secondary{background:#333846}.btn-muted{background:#6b4a1f}.btn-danger{background:var(--danger)}.hint{margin:2px 0 0;font-size:12px;color:var(--muted-text)}.error{margin:6px 0 0;font-size:13px;color:#fca5a5;background:#ef44441a;border:1px solid rgba(239,68,68,.3);border-radius:8px;padding:8px 10px}code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;background:#ffffff0f;padding:1px 6px;border-radius:5px;font-size:.9em}.status{text-align:center;padding:12px 0}.spinner{width:32px;height:32px;margin:0 auto 12px;border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.live{display:flex;flex-direction:column;gap:16px;align-items:center}.room-badge{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--muted-text)}.dot{width:9px;height:9px;border-radius:50%;background:var(--green);box-shadow:0 0 #22c55e80;animation:pulse 1.6s infinite}@keyframes pulse{0%{box-shadow:0 0 #22c55e80}70%{box-shadow:0 0 0 8px #22c55e00}to{box-shadow:0 0 #22c55e00}}.participants{margin:0;font-size:15px;color:var(--text)}.controls{display:flex;gap:10px;width:100%}.controls .btn{flex:1}.footer{font-size:12px;color:var(--muted-text);margin:0}