:root {
  color-scheme: light;
  --bg: #0f1419;
  --panel: #1a222c;
  --text: #e8eef4;
  --muted: #9aabbc;
  --accent: #2f9e6b;
  --danger: #d4544a;
  --line: #2a3644;
  --font: "Segoe UI", "IBM Plex Sans", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 10% -10%, #1d3a2f 0%, transparent 55%),
    radial-gradient(900px 500px at 100% 0%, #243044 0%, transparent 50%),
    var(--bg);
}

.shell {
  width: min(560px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 2.5rem 0 3rem;
}

.header h1 {
  margin: 0.2rem 0 0.5rem;
  font-size: 2rem;
  letter-spacing: -0.03em;
}

.eyebrow {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.72rem;
  color: var(--accent);
}

.lede {
  margin: 0;
  color: var(--muted);
  line-height: 1.45;
}

.panel,
.incoming {
  margin-top: 1.5rem;
  padding: 1.25rem;
  background: color-mix(in srgb, var(--panel) 92%, black);
  border: 1px solid var(--line);
  border-radius: 14px;
}

.field {
  display: grid;
  gap: 0.4rem;
  margin-bottom: 1rem;
}

.field span {
  font-size: 0.85rem;
  color: var(--muted);
}

.field input {
  width: 100%;
  padding: 0.75rem 0.9rem;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #10161d;
  color: var(--text);
  font-size: 1rem;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

button {
  border: 0;
  border-radius: 999px;
  padding: 0.65rem 1.1rem;
  font: inherit;
  cursor: pointer;
  background: #2a3644;
  color: var(--text);
}

button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

button.primary {
  background: var(--accent);
  color: #04140c;
  font-weight: 600;
}

button.danger {
  background: var(--danger);
  color: #fff;
}

.status-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem 1rem;
  margin: 1.2rem 0 0;
}

.status-grid dt {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.status-grid dd {
  margin: 0.15rem 0 0;
  font-family: ui-monospace, Consolas, monospace;
  font-size: 0.9rem;
  word-break: break-all;
}

.error {
  margin: 1rem 0 0;
  color: #ffb4ae;
}

.incoming h2 {
  margin: 0 0 0.35rem;
  font-size: 1.05rem;
}

#remote-audio {
  display: none;
}