:root {
  --bg: #0f1419; --panel: #1a2129; --panel2: #222c36;
  --txt: #e6edf3; --muted: #93a1b0; --line: #2d3744;
  --primary: #2f81f7; --danger: #e5534b; --ok: #3fb950; --warn: #d29922;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--txt);
  font: 15px/1.4 system-ui, -apple-system, Segoe UI, Roboto, sans-serif; }
h1 { font-size: 20px; margin: 0; }
h2 { font-size: 15px; margin: 0 0 12px; color: var(--muted);
  text-transform: uppercase; letter-spacing: .04em; }
code { background: #0008; padding: 1px 5px; border-radius: 4px; }

.topbar { display: flex; justify-content: space-between; align-items: center;
  padding: 14px 22px; background: var(--panel); border-bottom: 1px solid var(--line); }
.who { display: flex; align-items: center; gap: 12px; }
.user { color: var(--muted); }

.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; padding: 22px;
  max-width: 1100px; margin: 0 auto; }
.card { background: var(--panel); border: 1px solid var(--line);
  border-radius: 10px; padding: 18px; }
.card.wide { grid-column: 1 / -1; }

label { display: block; margin: 0 0 14px; color: var(--muted); font-size: 13px; }
select, input { width: 100%; margin-top: 5px; padding: 9px 10px; background: var(--panel2);
  color: var(--txt); border: 1px solid var(--line); border-radius: 7px; font-size: 14px; }

.row { display: flex; gap: 10px; margin-top: 6px; }
.btn { padding: 10px 16px; border: 1px solid var(--line); border-radius: 7px;
  background: var(--panel2); color: var(--txt); cursor: pointer; font-size: 14px; }
.btn:hover:not(:disabled) { border-color: var(--muted); }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn.danger { background: var(--danger); border-color: var(--danger); color: #fff; }
.btn.ghost { background: transparent; }
.btn.audio { width: 100%; }

.audio-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 12px; }
.now-playing { margin-top: 10px; color: var(--ok); min-height: 18px; font-size: 13px; }
.hint { color: var(--muted); font-size: 12.5px; margin: 4px 0 12px; }

.pill { padding: 3px 11px; border-radius: 20px; font-size: 12px; text-transform: uppercase;
  letter-spacing: .04em; border: 1px solid var(--line); }
.pill.idle { color: var(--muted); }
.pill.calling { color: var(--warn); border-color: var(--warn); }
.pill.connected { color: var(--ok); border-color: var(--ok); }
.pill.ending { color: var(--danger); border-color: var(--danger); }

.status-line { color: var(--muted); margin-bottom: 10px; font-size: 13px; }
.log { background: #0a0e12; border: 1px solid var(--line); border-radius: 7px;
  padding: 12px; height: 240px; overflow-y: auto; font: 12.5px/1.5 ui-monospace, monospace;
  color: #b9c6d2; white-space: pre-wrap; margin: 0; }

/* login */
.login-page { display: grid; place-items: center; min-height: 100vh; }
.login-card { width: 320px; }
.login-card h1 { text-align: center; }
.login-card .sub { text-align: center; color: var(--muted); margin: 4px 0 20px; }
.login-card .btn { width: 100%; margin-top: 6px; }
.err { background: #e5534b22; border: 1px solid var(--danger); color: #ffb4ae;
  padding: 9px 11px; border-radius: 7px; margin-bottom: 14px; font-size: 13px; }
@media (max-width: 760px) { .grid { grid-template-columns: 1fr; } }