:root {
  color-scheme: dark;
  --bg: #0f1115;
  --panel: #171a21;
  --panel-2: #1f2430;
  --text: #edf2f7;
  --muted: #98a2b3;
  --accent: #4f98a3;
  --accent-hover: #63adb8;
  --border: rgba(255,255,255,.1);
  --danger: #d163a7;
  --shadow: 0 20px 60px rgba(0,0,0,.35);
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Inter, system-ui, sans-serif;
  background: radial-gradient(circle at top, #18202b 0%, var(--bg) 50%);
  color: var(--text);
  min-height: 100vh;
}
.app {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}
.card {
  width: min(820px, 100%);
  background: linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.01));
  border: 1px solid var(--border);
  border-radius: 20px;
  box-shadow: var(--shadow);
  padding: 28px;
}
.eyebrow {
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: .12em;
  font-size: 12px;
  margin-bottom: 8px;
}
h1 {
  margin: 0 0 10px;
  font-size: clamp(2rem, 5vw, 3.25rem);
}
.lead {
  color: var(--muted);
  max-width: 60ch;
  line-height: 1.6;
}
.controls {
  display: flex;
  gap: 12px;
  margin: 24px 0;
  flex-wrap: wrap;
}
button, textarea {
  font: inherit;
}
button {
  border: 0;
  border-radius: 12px;
  padding: 12px 18px;
  font-weight: 600;
}
#connectBtn {
  background: var(--accent);
  color: #081217;
}
#connectBtn:hover { background: var(--accent-hover); }
#disconnectBtn {
  background: #2c3342;
  color: var(--text);
}
button:disabled {
  opacity: .5;
  cursor: not-allowed;
}
#voiceSelect {
  font: inherit;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--muted);
  padding: 10px 14px;
  cursor: pointer;
  outline: none;
}
#voiceSelect:hover {
  border-color: var(--accent);
  color: var(--text);
}
.status-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}
.status-box, .prompt-block, .log-wrap {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
}
.status-box {
  padding: 14px;
}
.label, .log-title {
  display: block;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--muted);
  margin-bottom: 8px;
}
.prompt-block {
  display: block;
  padding: 14px;
  margin-bottom: 18px;
}
textarea {
  width: 100%;
  margin-top: 10px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--text);
  padding: 14px;
  resize: vertical;
  min-height: 150px;
}
.log-wrap {
  padding: 14px;
}
pre {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 320px;
  overflow: auto;
  color: #d7deea;
  line-height: 1.45;
}
@media (max-width: 640px) {
  .card { padding: 20px; }
  .status-grid { grid-template-columns: 1fr; }
}