:root{color-scheme:dark;font-family:IBM Plex Sans,Segoe UI,sans-serif;--bg-0: #14161d;--bg-1: #1a1d27;--bg-2: #202432;--bg-3: #2a3145;--text-0: #f3f5ff;--text-1: #b9c0d9;--accent: #5b7cfa;--accent-2: #7ea1ff;--danger: #d9515d;--ok: #39d08f;--border: #30374d}*{box-sizing:border-box}body{margin:0;min-height:100vh;color:var(--text-0);background:radial-gradient(1200px 600px at 100% -10%,#27304a 0%,transparent 60%),linear-gradient(160deg,#10131a,#131723)}.auth-shell{display:grid;place-items:center;min-height:100vh;padding:16px}.auth-card{width:min(440px,100%);background:#171b27f0;border:1px solid var(--border);border-radius:16px;padding:24px;display:grid;gap:12px}.auth-card p{margin:0 0 6px;color:var(--text-1)}label{display:grid;gap:6px;font-weight:600;font-size:14px}input{border:1px solid var(--border);border-radius:10px;padding:10px 12px;font-size:14px;background:var(--bg-2);color:var(--text-0)}button{border:none;border-radius:10px;padding:10px 14px;font-weight:700;cursor:pointer;background:var(--accent);color:#fff}button.ghost{background:#2a3145;color:var(--text-0)}button.danger{background:var(--danger)}.app-shell{display:grid;grid-template-columns:340px 1fr;min-height:100vh;background:linear-gradient(180deg,#151925,#10131a)}.app-shell.sidebar-collapsed{grid-template-columns:84px 1fr}.sidebar{background:#0f121a;border-right:1px solid var(--border);padding:14px;display:grid;grid-template-rows:auto auto minmax(0,1fr) auto;gap:12px;min-height:100vh;overflow:hidden}.sidebar.collapsed{padding:10px 8px;grid-template-rows:auto minmax(0,1fr)}.brand-row{display:flex;align-items:flex-start;justify-content:space-between;gap:8px}.brand h2{margin:0;letter-spacing:.4px}.brand small{color:var(--text-1)}.sidebar-toggle{min-height:28px;min-width:36px;border-radius:8px;padding:0 8px;background:#2a3145;font-size:11px}.new-room-form{display:flex;gap:8px}.new-room-form input{flex:1}.rooms-panel{min-height:0;display:grid;grid-template-rows:auto minmax(0,1fr);gap:8px}.create-room-form{align-items:center}.create-room-form input{min-height:30px;font-size:12px;padding:6px 8px}.private-toggle{display:inline-flex;align-items:center;gap:4px;font-size:11px;font-weight:700;color:var(--text-1);white-space:nowrap}.private-toggle input{width:14px;height:14px;margin:0;padding:0}.create-room-form button{min-height:30px;padding:0 10px;font-size:11px;line-height:1;border-radius:8px;flex:0 0 auto}.sidebar-tabs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:6px}.sidebar-tabs button{padding:8px 6px;border-radius:8px;background:#262d42;position:relative}.sidebar-tabs button.active{background:var(--accent)}.friends-panel{display:grid;gap:10px}.room-list{list-style:none;margin:0;padding:0;display:grid;gap:6px;align-content:start;overflow:auto}.room-list button{width:100%;text-align:left;background:#1f2534;color:#dde5ff;font-size:13px;padding:8px 10px;display:flex;align-items:center;gap:6px}.room-list button.active{background:var(--accent)}.room-hash{opacity:.7;margin-right:4px}.sidebar-user{margin-top:auto;background:#171b27;border:1px solid var(--border);border-radius:12px;padding:10px;display:flex;justify-content:space-between;align-items:center;gap:8px}.sidebar-user small{display:block;color:var(--text-1);font-size:11px}button.logout{background:#2a3145}.content{padding:16px;display:grid;grid-template-columns:1fr;gap:14px}.placeholder,.media-panel,.chat-panel{background:var(--bg-1);border:1px solid var(--border);border-radius:14px;padding:12px}.media-panel,.chat-panel,.members-panel{display:grid;gap:10px}.media-header{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}.media-title{min-width:0}.media-header h3{margin:0;font-size:22px;line-height:1.15;word-break:break-word}.media-header small{color:var(--text-1)}.stage{min-height:380px}.speaking{outline:2px solid var(--ok);border-radius:12px;box-shadow:0 0 0 3px #39d08f33}.thumbnail-strip{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:8px}.video-tile{background:#0f1420;border:1px solid #253049;border-radius:12px;overflow:hidden;color:#fff;min-height:170px;display:grid;position:relative}.video-tile.self{border-color:var(--accent-2)}.thumbnail-strip .video-tile{cursor:pointer}.video-tile video{width:100%;aspect-ratio:16 / 9;object-fit:cover;background:#080b10}.video-tile.expanded video{min-height:min(62vh,560px);aspect-ratio:auto}.fullscreen-btn{position:absolute;top:8px;right:8px;padding:5px 9px;border-radius:8px;background:#0a0e17cc;font-size:12px}.video-tile span{font-size:12px;padding:7px 9px;color:#dce4ff}.empty-video{border:1px dashed #33405e;border-radius:12px;padding:20px;color:var(--text-1);display:grid;place-items:center;text-align:center}.call-controls{display:flex;gap:8px;align-items:center;flex-wrap:wrap;justify-content:flex-end;margin-left:auto}.call-controls button{min-height:38px;border-radius:10px;padding:0 12px;font-weight:600}.call-controls .big-join{background:#2e9b62;min-width:130px}.call-controls .control-off{background:#3a4054}.participants{border:1px solid var(--border);border-radius:10px;padding:10px;background:#181d2a}.participant-empty{color:var(--text-1);font-size:13px;margin-top:8px}.participant-list{list-style:none;margin:8px 0 0;padding:0;display:grid;gap:6px}.participant-list li{display:flex;align-items:center;gap:8px;color:#d8e0fa;background:#20263a;border-radius:8px;padding:6px 8px}.participant-list li.is-speaking{background:#233e34;color:#d8ffec}.participant-name{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.mic-badge{margin-left:auto;font-size:11px;text-transform:uppercase;letter-spacing:.04em;font-weight:700;color:#95ffc6;border:1px solid #2f9a65;background:#39d08f21;padding:3px 7px;border-radius:999px}.mic-badge.off{color:#ffb0b7;border-color:#b95a64;background:#d6586329}.speaking-badge{font-style:normal;font-size:11px;color:#8af2c4}.volume-control{display:inline-flex;align-items:center;gap:6px}.stream-watch-btn{min-height:30px;padding:0 10px;border-radius:8px;font-size:12px}.volume-control span{font-size:10px;text-transform:uppercase;color:#a9b4d5}.volume-slider{width:86px}.avatar-dot{width:8px;height:8px;border-radius:99px;background:#7886af}.participant-list li.is-speaking .avatar-dot{background:var(--ok);box-shadow:0 0 0 4px #39d08f40}.messages{border:1px solid var(--border);border-radius:10px;padding:10px;height:clamp(360px,45vh,560px);overflow:auto;background:#161b29}.bottom-row{display:grid;grid-template-columns:minmax(0,3fr) minmax(290px,1fr);gap:14px}.messages p{margin:0 0 8px;color:#d9e0f8;display:block;line-height:1.4}.messages p.image-message{background:#1b2233;border:1px solid #313c58;border-radius:10px;padding:8px}.messages b{color:#9fbcff}.msg-user-btn{border:none;padding:0;margin:0;background:transparent;color:#9fbcff;font-weight:700;font-size:13px;text-decoration:none;display:inline}.msg-user-top{display:block;margin-bottom:2px}.msg-content{color:#d9e0f8;display:block}.image-message .msg-content{margin-bottom:6px}.mini-profile-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#080b1259;z-index:1200;display:grid;place-items:center}.mini-profile-card{width:min(320px,92vw);background:#171c2a;border:1px solid #2d3650;border-radius:12px;padding:14px;display:grid;gap:10px}.mini-profile-card h4{margin:0}.mini-profile-card small{color:var(--text-1)}.room-unread{margin-left:6px;min-width:18px;height:18px;border-radius:999px;background:#e14a58;color:#fff;font-size:11px;display:inline-grid;place-items:center;padding:0 4px}.room-private-badge{margin-left:auto;font-size:10px;text-transform:uppercase;letter-spacing:.03em;color:#a7b8ec;border:1px solid #3e4a6d;border-radius:999px;padding:2px 6px}.red-dot{width:9px;height:9px;border-radius:999px;background:#ff4d5d;display:inline-block;margin-left:6px;box-shadow:0 0 0 2px #ff4d5d38}.sidebar-rail{display:grid;align-content:start;gap:8px;margin-top:6px}.rail-tab{width:100%;min-height:36px;border-radius:8px;background:#262d42;position:relative;font-size:13px;padding:0}.rail-tab.active{background:var(--accent)}.invite-panel{display:grid;gap:8px}.invite-form{display:flex;gap:8px}.invite-form input{flex:1}.chat-form{display:flex;gap:8px}.chat-form input{flex:1}.attach-btn{width:38px;height:38px;border-radius:10px;display:grid;place-items:center;background:#2a3145;color:#e2e8ff;font-weight:800;cursor:pointer}.attach-btn input{display:none}.chat-image{width:min(360px,100%);border-radius:12px;border:1px solid #3a496d;cursor:zoom-in;display:block}.pending-file{color:var(--text-1);font-size:12px;background:#1e2537;border:1px solid #34415f;border-radius:8px;padding:6px 8px;width:fit-content}.error{color:#ff868f;margin:0}.error.global{grid-column:1 / -1}.image-lightbox{position:fixed;top:0;right:0;bottom:0;left:0;background:#05080ed9;display:grid;place-items:center;z-index:1000;padding:24px}.image-lightbox img{max-width:min(96vw,1700px);max-height:92vh;border-radius:12px;border:1px solid #3d4a6e;box-shadow:0 24px 80px #0009}@media(max-width:980px){.app-shell,.app-shell.sidebar-collapsed,.content,.bottom-row{grid-template-columns:1fr}.call-controls{margin-left:0;justify-content:flex-start}.sidebar-user{margin-top:0}}