:root{--bg: #f6f7f9;--panel: #ffffff;--line: #e3e6ea;--ink: #1d2733;--muted: #6b7785;--brand: #1857c4;--in: #eef1f5;--out: #1857c4}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--ink);background:var(--bg)}button{font:inherit;cursor:pointer;border:1px solid var(--line);background:#fff;border-radius:8px;padding:6px 12px}button.primary{background:var(--brand);color:#fff;border-color:var(--brand)}button:disabled{opacity:.5;cursor:not-allowed}input,select,textarea{font:inherit;border:1px solid var(--line);border-radius:8px;padding:8px 10px}.login{max-width:360px;margin:12vh auto;background:var(--panel);padding:28px;border-radius:14px;border:1px solid var(--line)}.login h1{font-size:20px;margin:0 0 4px}.login p{color:var(--muted);margin:0 0 18px}.login .row{display:flex;gap:8px;align-items:center}.login select{flex:1}.shell{display:grid;grid-template-rows:auto 1fr;height:100vh}.topbar{display:flex;align-items:center;gap:14px;padding:10px 16px;background:var(--panel);border-bottom:1px solid var(--line)}.topbar .brand{font-weight:700}.topbar .who{color:var(--muted);margin-left:auto}.dot{width:9px;height:9px;border-radius:50%;display:inline-block;margin-right:6px}.dot.ready{background:#1faa59}.dot.registering{background:#d98e04}.dot.error{background:#c0392b}.dot.idle{background:#9aa6b2}.dot.in-call{background:#1857c4}.main{display:grid;grid-template-columns:340px 1fr;min-height:0}.leftcol{display:flex;flex-direction:column;min-height:0;border-right:1px solid var(--line);background:var(--panel)}.tabs{display:flex;border-bottom:1px solid var(--line)}.tabs button{flex:1;border:0;border-radius:0;padding:10px;background:#fff;color:var(--muted)}.tabs button.active{color:var(--ink);font-weight:600;box-shadow:inset 0 -2px 0 var(--brand)}.inbox{flex:1;background:var(--panel);overflow-y:auto}.inbox .head{padding:12px 14px;border-bottom:1px solid var(--line);display:flex;gap:8px;align-items:center}.dialer{display:flex;gap:6px;padding:10px 12px;border-bottom:1px solid var(--line);background:#fbfcfd}.dialer input{flex:1;min-width:0}.conv{padding:12px 14px;border-bottom:1px solid var(--line);cursor:pointer}.conv:hover{background:#f0f3f7}.conv.active{background:#e7eefb}.conv .name{font-weight:600}.conv .meta{color:var(--muted);font-size:12px;display:flex;justify-content:space-between;margin-top:2px}.thread{display:grid;grid-template-rows:auto 1fr auto;min-height:0}.thread .hd{padding:12px 16px;border-bottom:1px solid var(--line);background:var(--panel);display:flex;gap:10px;align-items:center}.thread .hd .sp{margin-left:auto;display:flex;gap:8px;align-items:center}.timeline{overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:10px}.bubble{max-width:70%;padding:8px 12px;border-radius:12px}.bubble.inbound{align-self:flex-start;background:var(--in)}.bubble.outbound{align-self:flex-end;background:var(--out);color:#fff}.bubble .t{font-size:11px;opacity:.7;margin-top:4px}.callrow{align-self:center;color:var(--muted);font-size:13px;background:#fff;border:1px dashed var(--line);border-radius:20px;padding:4px 12px}.composer{display:flex;gap:8px;padding:12px 16px;border-top:1px solid var(--line);background:var(--panel)}.composer textarea{flex:1;resize:none;height:42px}.empty{display:grid;place-items:center;color:var(--muted);height:100%}.callbar{display:flex;align-items:center;gap:10px}.callbar.active{background:#102a5c;color:#fff;padding:6px 12px;border-radius:10px}