:root{--bg-app: #1a1d24;--bg-side: #14161c;--bg-cat: #0f1116;--bg-hover: #232733;--bg-active: #2f3542;--bg-input: #22262f;--fg: #e6e8ee;--fg-dim: #8b93a7;--fg-mute: #5f6675;--accent: #5b8def;--accent-dim: #3f6ac4;--danger: #e5484d;--ok: #3fb950;--border: #262b36}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font:14px/1.5 system-ui,-apple-system,Segoe UI,sans-serif;background:var(--bg-app);color:var(--fg)}button{font:inherit;cursor:pointer;border:none;border-radius:6px}input,select,textarea{font:inherit;background:var(--bg-input);color:var(--fg);border:1px solid var(--border);border-radius:6px;padding:8px 10px;width:100%}input:focus,select:focus,textarea:focus{outline:2px solid var(--accent-dim);outline-offset:-1px}.btn{background:var(--accent);color:#fff;padding:8px 14px;font-weight:500}.btn:hover{background:var(--accent-dim)}.btn.ghost{background:var(--bg-hover);color:var(--fg)}.btn.ghost:hover{background:var(--bg-active)}.btn.danger{background:var(--danger);color:#fff}.btn:disabled{opacity:.5;cursor:not-allowed}.login-wrap{height:100%;display:grid;place-items:center}.login{width:340px;background:var(--bg-side);padding:28px;border-radius:12px;border:1px solid var(--border)}.login h1{margin:0 0 4px;font-size:24px}.login p.sub{margin:0 0 20px;color:var(--fg-dim);font-size:13px}.login label{display:block;margin:12px 0 5px;font-size:12px;color:var(--fg-dim);text-transform:uppercase;letter-spacing:.04em}.login .btn{width:100%;margin-top:18px;padding:10px}.err{background:#3a1d20;border:1px solid var(--danger);color:#ffb4b7;padding:8px 10px;border-radius:6px;font-size:13px;margin-top:14px}.shell{height:100%;display:grid;grid-template-columns:250px 1fr}.sidebar{background:var(--bg-side);border-right:1px solid var(--border);display:flex;flex-direction:column;overflow:hidden}.brand{padding:14px 16px;font-weight:600;font-size:15px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between}.chan-list{flex:1;overflow-y:auto;padding:8px 0}.cat{padding:12px 14px 4px;font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--fg-mute);font-weight:600}.chan{display:flex;align-items:center;gap:7px;margin:1px 8px;padding:6px 8px;border-radius:5px;color:var(--fg-dim);cursor:pointer;font-size:14px}.chan:hover{background:var(--bg-hover);color:var(--fg)}.chan.active{background:var(--bg-active);color:#fff}.chan .sym{color:var(--fg-mute);width:15px;text-align:center;flex:none}.chan .lock{font-size:10px;margin-left:auto;opacity:.6}.vc-users{margin:0 8px 4px 26px}.vc-user{display:flex;align-items:center;gap:6px;padding:2px 6px;font-size:13px;color:var(--fg-dim);border-radius:4px}.vc-user 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transparent}.tile.speaking{border-color:var(--ok)}.tile video{width:100%;height:100%;object-fit:cover;display:block}.tile .ph{position:absolute;top:0;right:0;bottom:0;left:0;display:grid;place-items:center}.tile .ph .circle{width:66px;height:66px;border-radius:50%;display:grid;place-items:center;font-size:22px;font-weight:600;color:#fff}.tile .label{position:absolute;left:8px;bottom:8px;background:#000000a6;padding:3px 8px;border-radius:5px;font-size:12px;display:flex;align-items:center;gap:5px}.tile .screen-badge{position:absolute;right:8px;top:8px;background:var(--accent);padding:2px 7px;border-radius:4px;font-size:11px}.controls{border-top:1px solid var(--border);padding:12px 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