:root{--bg: #0b1220;--bg-2: #111a2c;--bg-3: #182238;--fg: #e6ecff;--fg-mute: #8aa0c8;--accent: #4f7cff;--accent-2: #2c4ed1;--danger: #e8556d;--ok: #44d39a;--warn: #f3c969;--border: #243250}*{box-sizing:border-box}html,body{margin:0;padding:0;height:100%}[hidden]{display:none!important}body{background:var(--bg);color:var(--fg);font-family:-apple-system,Segoe UI,Roboto,sans-serif;font-size:16px;-webkit-font-smoothing:antialiased}button{font:inherit;color:inherit;cursor:pointer;border:1px solid var(--border);background:var(--bg-3);border-radius:8px;padding:10px 14px;min-height:44px}button:hover{background:var(--bg-2)}button:disabled{opacity:.5;cursor:not-allowed}input,select{font:inherit;color:inherit;background:var(--bg-3);border:1px solid var(--border);border-radius:8px;padding:10px 12px;width:100%;min-height:44px}.muted{color:var(--fg-mute)}.error{color:var(--danger)}.grow{flex:1 1 auto}#app{min-height:100%;display:flex;flex-direction:column}.screen{flex:1 1 auto;display:flex;flex-direction:column}#login{align-items:center;justify-content:center;padding:24px;text-align:center;gap:16px}#login h1{font-size:36px;margin:0}#login form{width:100%;max-width:360px;display:flex;flex-direction:column;gap:12px}#login form label{display:flex;flex-direction:column;gap:6px;align-items:stretch;text-align:left}#login form button{background:var(--accent);border:none;font-weight:600}.auth-tabs{display:flex;gap:8px;width:100%;max-width:360px}.auth-tabs .tab{flex:1;padding:10px 12px;border-radius:8px;border:1px solid var(--border);background:transparent;color:inherit;cursor:pointer;font-weight:600}.auth-tabs .tab.active{background:var(--accent);color:#fff;border-color:transparent}.topbar{display:flex;align-items:center;gap:12px;padding:10px 16px;border-bottom:1px solid var(--border);background:var(--bg-2)}.brand{font-weight:700}.status{color:var(--fg-mute);font-size:13px;flex:1 1 auto}.ghost-btn{background:transparent;padding:6px 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.count{margin-left:auto;color:var(--fg-mute);font-size:12px}.roster-item .avatar{width:28px;height:28px;border-radius:50%;background:var(--accent-2);display:grid;place-items:center;font-size:13px;font-weight:600}.roster-item .name{flex:1 1 auto}.roster-item .invite-btn{background:transparent;border:1px solid var(--border);padding:4px 8px;min-height:28px;font-size:12px}.roster-item .nudge-btn{background:transparent;border:1px solid var(--warn, #fa3);color:var(--fg);padding:4px 6px;min-height:28px;font-size:12px;border-radius:6px;cursor:pointer}.roster-item .nudge-btn:disabled{opacity:.5;cursor:default}.roster-actions{display:flex;gap:4px;align-items:center}.channel-pane{display:flex;flex-direction:column;overflow-y:auto}.empty{margin:auto;color:var(--fg-mute);text-align:center;padding:40px}.channel-header{display:flex;align-items:center;gap:12px;padding:14px 18px;border-bottom:1px solid var(--border);background:var(--bg-2)}.channel-header h2{margin:0;font-size:18px}.peers{list-style:none;margin:0;padding:16px;display:flex;flex-direction:column;gap:8px}.peer{display:flex;align-items:center;gap:12px;padding:12px;background:var(--bg-2);border:1px solid var(--border);border-radius:10px}.peer .avatar{width:40px;height:40px;border-radius:50%;background:var(--accent-2);display:grid;place-items:center;font-weight:700}.peer .name{flex:1 1 auto}.peer .badge{background:var(--accent);color:#fff;font-size:12px;padding:2px 8px;border-radius:999px}.peer.speaking{border-color:var(--ok);box-shadow:0 0 0 2px #44d39a4d}.peer.self{background:var(--bg-3)}.channel-footer{border-top:1px solid var(--border);padding:14px;display:flex;gap:10px;background:var(--bg-2)}.big-btn{flex:1 1 auto;background:var(--accent);border:none;font-weight:600;min-height:64px;font-size:18px}.big-btn.muted-state{background:var(--danger)}.big-btn.ptt-active{background:var(--ok)}.ghost-btn.silenced-state{background:var(--danger);color:#fff}.video-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:8px;padding:16px 16px 0}.video-tile{position:relative;background:#000;border:1px solid var(--border);border-radius:10px;overflow:hidden;aspect-ratio:16 / 9}.video-tile video{width:100%;height:100%;object-fit:cover;display:block}.video-tile .video-label{position:absolute;left:8px;bottom:8px;background:#0009;padding:4px 8px;border-radius:6px;font-size:12px}.video-tile .video-close{position:absolute;top:6px;right:6px;min-height:28px;padding:2px 8px;background:#0000008c}.peer .watch-btn{background:transparent;border:1px solid var(--accent);padding:4px 8px;min-height:30px;font-size:12px;color:var(--fg)}.peer 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var(--border);font-size:14px}.admin-row:last-child{border-bottom:none}.toggle-row{display:flex;align-items:center;justify-content:space-between;gap:12px;cursor:pointer}.toggle-row input[type=checkbox]{width:44px;height:24px;min-height:auto;appearance:none;background:var(--border);border-radius:12px;position:relative;cursor:pointer;transition:background .2s}.toggle-row input[type=checkbox]:checked{background:var(--ok)}.toggle-row input[type=checkbox]:after{content:"";position:absolute;top:2px;left:2px;width:20px;height:20px;background:#fff;border-radius:50%;transition:transform .2s}.toggle-row input[type=checkbox]:checked:after{transform:translate(20px)}.mobile-only{display:none}@media (max-width: 720px){.mobile-only{display:inline-flex}.layout{grid-template-columns:1fr}.channel-pane,.layout.show-channel .sidebar{display:none}.layout.show-channel .channel-pane{display:flex}}