:root{--bg: #0f1115;--panel: #171a21;--panel-2: #1f232c;--border: #2a2f3a;--text: #e6e8ec;--muted: #9aa0ac;--accent: #4f8cff;--error: #ff6b6b;--radius: 10px}*{box-sizing:border-box}html,body{margin:0;height:100%;height:100dvh}body{background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-size:15px;line-height:1.4}#app{height:100%}.loading{display:grid;place-items:center;height:100%;color:var(--muted)}.auth-card{max-width:360px;margin:8vh auto;padding:28px;background:var(--panel);border:1px solid var(--border);border-radius:var(--radius)}.auth-card h1{margin:0 0 18px;font-size:22px}.auth-card form{display:flex;flex-direction:column;gap:14px}label{display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--muted)}input{background:var(--panel-2);border:1px solid var(--border);border-radius:8px;padding:10px 12px;color:var(--text);font-size:16px}.back-btn{display:none;background:none;border:none;color:var(--text);font-size:28px;line-height:1;padding:0 8px 0 0;cursor:pointer}input:focus{outline:none;border-color:var(--accent)}button{background:var(--accent);color:#fff;border:none;border-radius:8px;padding:10px 16px;font-size:15px;cursor:pointer}button:disabled{opacity:.6;cursor:default}button.link{background:none;color:var(--accent);padding:0;font-size:14px}a{color:var(--accent);text-decoration:none}.muted{color:var(--muted);font-size:14px}.error{color:var(--error);font-size:14px;margin:4px 0 0}.home{max-width:620px;margin:5vh auto;padding:24px}.home-header{display:flex;justify-content:space-between;align-items:center;padding-bottom:16px;border-bottom:1px solid var(--border);margin-bottom:20px}.group-list{list-style:none;padding:0;margin:0 0 18px}.group-list li{display:flex;justify-content:space-between;align-items:center;padding:12px 14px;background:var(--panel);border:1px solid 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var(--border);overflow-y:auto;flex:1;min-height:0}.section-label{font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);margin-bottom:6px}.member-list{list-style:none;margin:0;padding:0}.member-row{display:flex;align-items:center;gap:8px;width:100%;text-align:left;background:none;color:var(--text);padding:7px 6px;border-radius:6px;font-size:14px}.member-row:hover:not(:disabled){background:var(--panel-2)}.dot{width:8px;height:8px;border-radius:50%;flex:none}.dot.on{background:#3ddc84}.dot.off{background:#555b66}.role{color:var(--muted);font-size:12px;margin-left:auto}.sidebar-actions{padding:10px 12px;border-top:1px solid var(--border);display:flex;flex-direction:column;gap:8px}.invite-input{font-size:12px}.sidebar-notify{display:flex;align-items:center;gap:10px;padding:8px 12px;border-top:1px solid var(--border)}.sidebar-notify 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18px;font-size:13px;cursor:pointer}.call-overlay{position:fixed;inset:0;background:#000000d9;display:grid;place-items:center;z-index:100}.call-incoming{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:28px 36px;text-align:center}.call-name{font-size:20px;font-weight:600;margin:0 0 4px}.call-actions{display:flex;gap:12px;margin-top:18px}.btn-accept{background:#2ea043}.btn-decline{background:#d13438}.call-stage{position:relative;width:min(90vw,960px);height:min(80vh,620px);background:#000;border-radius:var(--radius);overflow:hidden}.remote-video{width:100%;height:100%;object-fit:contain;background:#000}.local-video{position:absolute;right:16px;bottom:90px;width:180px;max-width:30%;border-radius:8px;border:1px solid var(--border);object-fit:cover;background:#111}.call-status-badge{position:absolute;top:16px;left:50%;transform:translate(-50%);background:#0009;padding:6px 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12px;padding-bottom:max(10px,env(safe-area-inset-bottom));gap:8px}.composer input{padding:12px 14px}.sidebar-footer,.sidebar-actions,.sidebar-notify{padding-bottom:max(10px,env(safe-area-inset-bottom))}.call-stage{width:100vw;height:100dvh;border-radius:0}.local-video{width:120px;bottom:max(96px,calc(env(safe-area-inset-bottom) + 88px))}.call-controls{bottom:max(18px,env(safe-area-inset-bottom))}.auth-card{margin:6vh 16px}}