: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}.network-mode{flex:0 0 auto;padding:4px 8px;border-radius:999px;border:1px solid var(--border);font-size:12px;font-weight:700;white-space:nowrap}.network-mode.online{color:var(--fg);background:#4f7cff29;border-color:#4f7cff73}.network-mode.local{color:var(--ok);background:#29cc6a24;border-color:#29cc6a73}.network-mode.breach{color:var(--danger);background:#ff4d4f24;border-color:#ff4d4f73}.network-mode.unknown{color:var(--fg-mute)}.status{color:var(--fg-mute);font-size:13px;flex:1 1 auto}.ghost-btn{background:transparent;padding:6px 10px;min-height:36px;font-size:14px}.layout{display:grid;grid-template-columns:280px 1fr;flex:1 1 auto;min-height:0}.sidebar{background:var(--bg-2);border-right:1px solid var(--border);overflow-y:auto;display:flex;flex-direction:column}.sidebar-section{padding:14px;border-bottom:1px solid var(--border)}.sidebar-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}.sidebar-header h2{font-size:13px;text-transform:uppercase;letter-spacing:.06em;color:var(--fg-mute);margin:0}.channel-list,.roster-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:4px}.channel-item,.roster-item{display:flex;align-items:center;gap:8px;padding:10px;border-radius:8px;cursor:pointer}.channel-item:hover,.roster-item:hover{background:var(--bg-3)}.channel-item.active{background:var(--bg-3);border-left:3px solid var(--accent)}.channel-item .tag{font-size:11px;color:var(--fg-mute);background:var(--bg-3);padding:2px 6px;border-radius:4px}.channel-item .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;min-width:0}.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;flex-wrap:wrap;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;min-width:0;overflow:hidden;text-overflow:ellipsis}.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 .speaking-dot{width:8px;height:8px;border-radius:50%;background:var(--ok);opacity:0;transition:opacity .2s;flex-shrink:0}.peer.speaking .speaking-dot{opacity:1;animation:pulse-dot 1.2s ease-in-out infinite}@keyframes pulse-dot{0%,to{transform:scale(1);opacity:1}50%{transform:scale(1.4);opacity:.7}}.roster-item .speaking-dot{width:7px;height:7px;border-radius:50%;background:var(--ok);opacity:0;transition:opacity .2s;margin-right:6px}.roster-item.speaking .speaking-dot{opacity:1;animation:pulse-dot 1.2s ease-in-out infinite}.peer.self{background:var(--bg-3)}.channel-footer{border-top:1px solid var(--border);padding:14px;display:flex;flex-wrap:wrap;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;max-height:70vh;overflow-y:auto}.video-grid.few{display:flex;flex-direction:column;align-items:center;gap:12px}.video-grid.few .video-tile{width:100%;max-width:960px;flex-shrink:0;aspect-ratio:16 / 9}.video-grid.thumbnails{grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}.video-grid.spotlight{grid-template-columns:1fr;grid-template-rows:1fr auto;max-height:none}.video-grid.spotlight .video-tile.spotlight-tile{grid-column:1 / -1;aspect-ratio:16 / 9;max-height:60vh}.video-grid.spotlight .video-tile:not(.spotlight-tile){aspect-ratio:16 / 9;max-height:140px}.video-tile{position:relative;background:#000;border:1px solid var(--border);border-radius:10px;overflow:hidden;aspect-ratio:16 / 9;cursor:pointer;transition:border-color .2s}.video-tile:hover{border-color:var(--accent)}.video-tile.pinned{border-color:var(--accent);box-shadow:0 0 0 2px #4f7cff66}.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}.video-tile .video-pin{position:absolute;top:6px;left:6px;min-height:28px;padding:2px 8px;background:#0000008c;font-size:13px}.peer .watch-btn{background:transparent;border:1px solid var(--accent);padding:4px 8px;min-height:30px;font-size:12px;color:var(--fg)}.peer .presence-icon{font-size:14px;opacity:.85;margin-left:4px;user-select:none}.peer .presence-icon.mic-muted{color:var(--danger, #e35)}.peer .presence-icon.silenced{color:var(--warn, #fa3)}.peer .nudge-btn{background:transparent;border:1px solid var(--warn, #fa3);color:var(--fg);padding:4px 8px;min-height:30px;font-size:12px;border-radius:6px;cursor:pointer}.peer .nudge-btn:disabled{opacity:.5;cursor:default}#camera-btn.active,#screen-btn.active{background:var(--ok);border-color:var(--ok)}.modal-host{position:fixed;inset:0;z-index:100;display:flex;align-items:center;justify-content:center}.modal-backdrop{position:absolute;inset:0;background:#0000008c}.modal-content{position:relative;background:var(--bg-2);border:1px solid var(--border);border-radius:12px;padding:20px;width:min(420px,calc(100vw - 32px));max-height:calc(100vh - 32px);overflow-y:auto}.modal-content h3{margin:0 0 12px}.modal-actions{display:flex;gap:8px;justify-content:flex-end;margin-top:16px}.modal-actions button.primary{background:var(--accent);border:none}.modal-actions button.danger{background:var(--danger);border:none}.field{display:flex;flex-direction:column;gap:6px;margin-bottom:12px}.field label{font-size:14px;color:var(--fg-mute)}.checkbox-row{display:flex;align-items:center;gap:8px}.checkbox-row input{width:auto;min-height:auto}.banners{position:fixed;bottom:16px;left:50%;transform:translate(-50%);display:flex;flex-direction:column;gap:8px;z-index:50;width:min(480px,calc(100vw - 32px))}.banner{background:var(--bg-3);border:1px solid var(--accent);border-radius:10px;padding:12px 14px;display:flex;align-items:center;gap:10px}.banner .banner-text{flex:1 1 auto;font-size:14px}.banner.warn{border-color:var(--warn)}.banner.ok{border-color:var(--ok)}.admin-section{margin-bottom:16px}.admin-section h4{margin:0 0 8px;font-size:14px;color:var(--fg-mute);text-transform:uppercase;letter-spacing:.5px}.admin-row{display:flex;justify-content:space-between;padding:6px 0;border-bottom:1px solid 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)}.chat-panel{display:flex;flex-direction:column;border-top:1px solid var(--border);max-height:240px;min-height:120px}.chat-messages{flex:1 1 auto;overflow-y:auto;padding:8px 14px;display:flex;flex-direction:column;gap:6px;font-size:13px;background:var(--bg);min-height:80px}.chat-messages:empty:before{content:"No messages yet";color:var(--fg-mute);font-size:13px;text-align:center;margin-top:auto;margin-bottom:auto}.chat-msg{display:flex;gap:6px;align-items:baseline;word-break:break-word;flex-wrap:wrap}.chat-msg .chat-author{font-weight:600;color:var(--accent);flex-shrink:0}.chat-msg .chat-time{color:var(--muted);font-size:11px;flex-shrink:0}.chat-msg.self .chat-author{color:var(--ok)}.chat-msg .chat-lang{font-size:11px;cursor:help;opacity:.7}.chat-msg .chat-text.translated{font-style:italic;opacity:0;animation:fade-in .4s ease forwards}.chat-msg .chat-text.translating{opacity:.5;font-style:italic}.chat-msg .chat-original{display:block;font-size:11px;color:var(--fg-mute);opacity:0;animation:fade-in .6s ease .2s forwards;margin-left:auto;width:100%;text-align:right}.chat-msg .chat-speak-btn{background:transparent;border:none;padding:2px 4px;margin-left:4px;min-height:auto;font-size:14px;cursor:pointer;opacity:.7;transition:opacity .15s}.chat-msg .chat-speak-btn:hover{opacity:1}@keyframes fade-in{0%{opacity:0}to{opacity:1}}.chat-msg.interim{opacity:.7}.chat-msg.interim .chat-author{color:var(--ok)}.chat-msg.emergency{background:#d32f2f1f;border:1px solid rgba(211,47,47,.45);border-radius:8px;padding:6px 10px;margin:2px 0}.chat-msg.emergency .chat-author{color:#ff6b6b;font-weight:700}.chat-msg.emergency .chat-text{font-weight:600}.chat-input-row{display:flex;gap:8px;padding:8px 14px;border-top:1px solid var(--border);background:var(--bg-2)}.chat-input-row input{flex:1 1 auto;background:var(--bg-1);border:1px solid var(--border);border-radius:6px;padding:6px 10px;color:var(--fg);font-size:16px}.chat-input-row button{min-height:34px;padding:4px 14px}.mobile-only{display:none}@media (max-width: 720px){html,body,#app,.screen{max-width:100%;overflow-x:hidden}.mobile-only{display:inline-flex}.topbar{gap:6px;padding:8px;max-width:100vw;overflow:hidden}.brand{font-size:15px}.status{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.ghost-btn{padding:6px 8px;font-size:13px}#me-btn #me-name,#share-topbar-btn{display:none}.layout{grid-template-columns:1fr}.channel-pane,.layout.show-channel .sidebar{display:none}.layout.show-channel .channel-pane{display:flex}.channel-header{flex-wrap:wrap;gap:8px;padding:10px}.channel-header h2{flex:1 1 100%}.channel-header .grow{display:none}.peers{padding:8px}.peer{gap:8px;padding:10px;max-width:100%}.peer .avatar{width:34px;height:34px;flex:0 0 34px}.peer .name{flex:1 1 0}.peer .badge,.peer .nudge-btn,.peer .watch-btn{flex:0 0 auto;min-width:0;text-align:center}.channel-footer{padding:10px;gap:8px}.channel-footer button{flex:1 1 calc(50% - 8px);min-width:0;white-space:nowrap}}