:root{--bg: #f1f2f5;--surface: #ffffff;--surface-raised: #eceef2;--border: #dde0e6;--text: #1a1d24;--text-dim: #6b7280;--accent: #6d4aff;--accent-dim: #ece8ff;--live: #e5304c;--success: #16a34a;--danger: #dc2626;--warning: #d97706;--radius: 16px;--font: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif}*{box-sizing:border-box}html,body{margin:0;height:100%;background:radial-gradient(circle at 50% -10%,#ffffff 0%,var(--bg) 55%);color:var(--text);font-family:var(--font);-webkit-font-smoothing:antialiased}#root{min-height:100vh}.screen{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:24px 20px}.brand{display:flex;align-items:center;gap:10px;margin-bottom:8px}.brand-mark{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--accent),#ff6fae);display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0}.brand-name{font-weight:700;font-size:20px;letter-spacing:-.02em}.tagline{font-size:20px;font-weight:700;text-align:center;max-width:340px;margin:0 0 10px;line-height:1.35;letter-spacing:-.01em}.subtitle{color:var(--text-dim);font-size:14px;text-align:center;max-width:340px;margin:0 0 32px;line-height:1.5}.usecases{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;max-width:420px;margin:28px 0 0}.usecase-chip{background:var(--surface-raised);border:1px solid var(--border);color:var(--text-dim);font-size:12px;font-weight:600;padding:6px 12px;border-radius:999px}.features-row{display:flex;flex-direction:column;gap:10px;margin-top:32px;max-width:320px;width:100%}.feature-item{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-dim)}.feature-icon{font-size:16px;flex-shrink:0}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:28px 24px;width:100%;max-width:380px;box-shadow:0 12px 32px -16px #1a1d2429}.role-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;width:100%;max-width:380px}.role-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px 16px;display:flex;flex-direction:column;align-items:center;gap:10px;cursor:pointer;color:var(--text);font-family:inherit;transition:border-color .15s ease,transform .15s ease}.role-card:hover{border-color:var(--accent);transform:translateY(-2px)}.role-card-icon{font-size:28px}.role-card-label{font-weight:600;font-size:14px}.role-card-sub{font-size:12px;color:var(--text-dim);text-align:center}.btn{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:none;border-radius:999px;height:44px;padding:0 24px;display:flex;align-items:center;justify-content:center;font-family:inherit;font-weight:600;font-size:15px;cursor:pointer;transition:opacity .15s ease,transform .1s ease;width:100%}.btn:active{transform:scale(.98)}.btn:disabled{opacity:.4;cursor:not-allowed}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover:not(:disabled){opacity:.9}.btn-danger{background:transparent;border:1px solid var(--danger);color:var(--danger)}.btn-danger:hover{background:#f04a4a1a}.btn-ghost{background:var(--surface-raised);color:var(--text);border:1px solid var(--border)}.google-btn{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;height:44px;background:#fff;border:1px solid #747775;border-radius:4px;color:#1f1f1f;font-family:Roboto,var(--font);font-size:14px;font-weight:500;text-decoration:none;cursor:pointer;transition:box-shadow .15s ease}.google-btn:hover{box-shadow:0 1px 2px #3c40434d,0 1px 3px 1px #3c404326}.google-btn-icon{flex-shrink:0}.code-input{width:100%;background:var(--surface-raised);border:1px solid var(--border);border-radius:12px;color:var(--text);font-family:inherit;font-size:32px;font-weight:700;letter-spacing:.35em;text-align:center;padding:16px 0 16px .35em;margin-bottom:16px}.code-input:focus{outline:none;border-color:var(--accent)}.code-input::placeholder{color:var(--text-dim);letter-spacing:.2em}.text-input{width:100%;height:44px;background:var(--surface-raised);border:1px solid var(--border);border-radius:12px;color:var(--text);font-family:inherit;font-size:16px;text-align:center;padding:0 12px;margin-bottom:16px}.text-input:focus{outline:none;border-color:var(--accent)}.textarea{width:100%;height:80px;background:var(--surface-raised);border:1px solid var(--border);border-radius:12px;color:var(--text);font-family:inherit;font-size:14px;text-align:left;padding:10px 12px;margin-bottom:12px;resize:vertical}.textarea:focus{outline:none;border-color:var(--accent)}.textarea::placeholder{color:var(--text-dim)}.text-input::placeholder{color:var(--text-dim)}.room-code-display{font-size:44px;font-weight:800;letter-spacing:.2em;text-align:center;margin:4px 0;font-variant-numeric:tabular-nums}.status-row{display:flex;align-items:center;justify-content:center;gap:8px;margin-bottom:20px}.dot{width:8px;height:8px;border-radius:50%;background:var(--text-dim);flex-shrink:0}.dot-live{background:var(--live);animation:pulse 1.4s ease-in-out infinite}.dot-connected{background:var(--success)}.dot-reconnecting{background:var(--warning);animation:pulse-warning 1.4s ease-in-out infinite}@keyframes pulse-warning{0%,to{box-shadow:0 0 #f5a52480}50%{box-shadow:0 0 0 6px #f5a52400}}@keyframes pulse{0%,to{box-shadow:0 0 #e5304c80}50%{box-shadow:0 0 0 6px #e5304c00}}.status-label{font-size:13px;color:var(--text-dim);text-transform:uppercase;letter-spacing:.08em;font-weight:600}.listener-count{text-align:center;color:var(--text-dim);font-size:14px;margin-bottom:24px}.listener-count strong{color:var(--text);font-size:15px}.equalizer{display:flex;align-items:flex-end;gap:4px;height:28px;justify-content:center;margin-bottom:8px}.equalizer span{width:4px;border-radius:2px;background:var(--success);animation:eq 1s ease-in-out infinite}.equalizer span:nth-child(1){animation-delay:-.9s}.equalizer span:nth-child(2){animation-delay:-.6s}.equalizer span:nth-child(3){animation-delay:-.3s}.equalizer span:nth-child(4){animation-delay:-.75s}.equalizer span:nth-child(5){animation-delay:-.15s}@keyframes eq{0%,to{height:6px}50%{height:26px}}.qr-wrap{display:flex;justify-content:center;margin-bottom:16px}.qr-wrap img{background:#fff;border:1px solid var(--border);padding:10px;border-radius:12px;display:block}.share-row{display:flex;align-items:center;gap:8px;background:var(--surface-raised);border:1px solid var(--border);border-radius:10px;padding:10px 12px;margin-bottom:24px}.share-link{flex:1;font-size:12px;color:var(--text-dim);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.copy-btn{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:none;background:transparent;color:var(--accent);font-family:inherit;font-size:12px;font-weight:700;cursor:pointer;flex-shrink:0}.meters{display:flex;flex-direction:column;gap:10px;margin-bottom:20px}.meter{background:var(--surface-raised);border:1px solid var(--border);border-radius:12px;padding:10px 12px}.meter-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:6px}.meter-label{font-size:11px;color:var(--text-dim);text-transform:uppercase;letter-spacing:.06em;font-weight:600}.meter-value{font-size:12px;font-weight:700;color:var(--text-dim);font-variant-numeric:tabular-nums}.meter-value-good{color:var(--success)}.meter-value-warn{color:var(--warning)}.meter-value-bad{color:var(--danger)}.meter-canvas{display:block;width:100%;height:44px}.error-banner{background:#dc262614;border:1px solid rgba(220,38,38,.3);color:#b91c1c;border-radius:10px;padding:10px 14px;font-size:13px;margin-top:16px;text-align:center}.hint-text{background:#f5a5241a;border:1px solid rgba(245,165,36,.35);color:var(--warning);border-radius:10px;padding:10px 14px;font-size:13px;line-height:1.4;margin-top:16px;text-align:center}.center-text{text-align:center;color:var(--text-dim);font-size:14px}.spinner{width:20px;height:20px;border:2px solid var(--border);border-top-color:var(--accent);border-radius:50%;margin:0 auto 16px;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.admin-screen{min-height:100vh;max-width:1100px;margin:0 auto;padding:32px 20px 64px;display:flex;flex-direction:column;gap:24px}.admin-title{font-size:22px;font-weight:700;margin:0}.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:16px}.stat-tile{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px}.stat-value{font-size:28px;font-weight:800;font-variant-numeric:tabular-nums}.stat-label{color:var(--text-dim);font-size:13px;margin-top:4px}.admin-charts{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:16px}.admin-panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px}.admin-panel-title{font-size:15px;font-weight:700;margin:0 0 12px}.admin-panel-text{color:var(--text-dim);font-size:13px;margin:4px 0}.admin-table{width:100%;border-collapse:collapse;font-size:13px}.admin-table th{text-align:left;color:var(--text-dim);font-weight:600;padding:6px 8px;border-bottom:1px solid var(--border)}.admin-table td{padding:6px 8px;border-bottom:1px solid var(--border)}.admin-table tr:last-child td{border-bottom:none}