:root{--bg: #0b0e11;--bg-elev: #12171d;--bg-elev-2: #1a2029;--border: #232b36;--text: #c9d1d9;--text-dim: #7d8590;--accent: #4c8dff;--accent-press: #3a6fd0;--danger: #f85149;--ok: #3fb950;--radius: 12px;color-scheme:dark}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.5 system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;overscroll-behavior:none}button{font:inherit;color:inherit;cursor:pointer}input{font:inherit;color:var(--text);background:var(--bg);border:1px solid var(--border);border-radius:8px;padding:10px 12px;width:100%}input:focus{outline:2px solid var(--accent);outline-offset:0}.app{height:100%;display:flex;flex-direction:column;max-width:720px;margin:0 auto;padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left)}.header{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 16px;border-bottom:1px solid var(--border)}.header .who{display:flex;align-items:center;gap:8px;font-weight:600}.dot{width:8px;height:8px;border-radius:50%;background:var(--text-dim)}.dot.on{background:var(--ok)}.header .ws{font-size:12px;color:var(--text-dim)}.linkbtn{background:none;border:none;color:var(--text-dim);font-size:13px;padding:6px 8px}.linkbtn:hover{color:var(--text)}.btn{border:1px solid var(--border);background:var(--bg-elev);border-radius:var(--radius);padding:12px 16px;display:inline-flex;align-items:center;justify-content:center;gap:8px}.btn:active{transform:translateY(1px)}.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:600}.btn.primary:active{background:var(--accent-press)}.btn.danger{background:var(--danger);border-color:var(--danger);color:#fff;font-weight:600}.btn.ghost{background:transparent}.btn:disabled{opacity:.5;cursor:not-allowed}.btn.big{padding:18px;font-size:16px;flex:1}.lobby{flex:1;display:flex;flex-direction:column;gap:16px;padding:16px;overflow:hidden}.call-actions{display:flex;gap:12px}.card{background:var(--bg-elev);border:1px solid var(--border);border-radius:var(--radius);padding:16px}.card h2{margin:0 0 4px;font-size:14px}.card p{margin:0;color:var(--text-dim);font-size:13px}.calling{text-align:center;display:flex;flex-direction:column;gap:14px;align-items:center;padding:28px 16px}.calling .pulse{width:56px;height:56px;border-radius:50%;background:var(--accent);animation:pulse 1.4s ease-out infinite}@keyframes pulse{0%{box-shadow:0 0 #4c8dff80}to{box-shadow:0 0 0 22px #4c8dff00}}.chat{display:flex;flex-direction:column;min-height:0;flex:1}.chat .log{flex:1;overflow-y:auto;display:flex;flex-direction:column;gap:6px;padding:4px 2px}.msg{max-width:80%;padding:7px 11px;border-radius:12px;font-size:14px;word-wrap:break-word}.msg.them{align-self:flex-start;background:var(--bg-elev-2)}.msg.mine{align-self:flex-end;background:var(--accent);color:#fff}.msg .meta{display:block;font-size:10px;opacity:.6;margin-top:2px}.chat form{display:flex;gap:8px;padding-top:8px}.chat form .btn{padding:10px 14px}.empty{color:var(--text-dim);font-size:13px;text-align:center;padding:20px}.call{position:relative;flex:1;background:#000;overflow:hidden;display:flex}.call video.remote{width:100%;height:100%;object-fit:contain;background:#000}.call .audio-only{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;color:var(--text-dim)}.call .avatar{width:96px;height:96px;border-radius:50%;background:var(--bg-elev-2);display:grid;place-content:center;font-size:34px;font-weight:600;color:var(--text)}.call video.local{position:absolute;right:12px;top:12px;width:28vw;max-width:140px;aspect-ratio:3/4;object-fit:cover;border-radius:10px;border:1px solid var(--border);background:#000;transform:scaleX(-1)}.overlay{position:absolute;inset:0;display:grid;place-content:center;background:#0000008c;font-size:15px;color:var(--text)}.overlay.chat-panel{place-content:stretch;background:#000000e6}.chat-panel-inner{display:flex;flex-direction:column;gap:8px;padding:16px calc(16px + env(safe-area-inset-right)) calc(16px + env(safe-area-inset-bottom)) calc(16px + env(safe-area-inset-left));height:100%}.chat-panel-inner .btn.ghost{align-self:flex-end}.controls{position:absolute;left:0;right:0;bottom:0;display:flex;gap:10px;justify-content:center;flex-wrap:wrap;padding:14px calc(14px + env(safe-area-inset-right)) calc(14px + env(safe-area-inset-bottom)) calc(14px + env(safe-area-inset-left));background:linear-gradient(to top,rgba(0,0,0,.6),transparent)}.ctl{width:52px;height:52px;border-radius:50%;border:1px solid var(--border);background:#141920e6;display:grid;place-content:center;font-size:18px}.ctl.off{background:var(--bg-elev-2);color:var(--text-dim)}.ctl.hang{background:var(--danger);border-color:var(--danger);color:#fff}.ctl.wide{width:auto;padding:0 14px;border-radius:26px;font-size:13px}.stats{position:absolute;left:12px;top:12px;background:#0009;border:1px solid var(--border);border-radius:8px;padding:8px 10px;font:11px/1.5 ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--text-dim)}.stats b{color:var(--text);font-weight:600}.stats .bad{color:var(--danger)}.stats .good{color:var(--ok)}.modal-bg{position:fixed;inset:0;background:#0009;display:grid;place-content:center;z-index:10}.modal{background:var(--bg-elev);border:1px solid var(--border);border-radius:16px;padding:24px;width:min(90vw,340px);text-align:center;display:flex;flex-direction:column;gap:16px}.modal h2{margin:0;font-size:17px}.modal .row{display:flex;gap:12px}.notice{position:fixed;left:50%;bottom:calc(20px + env(safe-area-inset-bottom));transform:translate(-50%);background:var(--bg-elev-2);border:1px solid var(--border);padding:10px 16px;border-radius:999px;font-size:13px;z-index:20;max-width:90vw}.auth{flex:1;display:grid;place-content:center;padding:24px}.auth .box{width:min(90vw,320px);display:flex;flex-direction:column;gap:14px}.auth h1{font-size:18px;margin:0}.auth .err{color:var(--danger);font-size:13px}.muted{color:var(--text-dim);font-size:12px}