:root {
  color-scheme: light dark;
  --bg: #f6f7f9;
  --fg: #1c2024;
  --card: #ffffff;
  --line: #d5d9de;
  --accent: #2563eb;
  --idle: #6b7280;
  --connecting: #b45309;
  --listening: #15803d;
  --thinking: #7c3aed;
  --speaking: #2563eb;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14171a;
    --fg: #e6e8ea;
    --card: #1e2227;
    --line: #343a41;
    --accent: #60a5fa;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0 auto;
  max-width: 960px;
  padding: 1rem;
  font-family: system-ui, sans-serif;
  background: var(--bg);
  color: var(--fg);
}

header {
  display: grid;
  gap: 0.5rem;
}

#key-form,
.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}

#tabs {
  display: flex;
  gap: 0.25rem;
  margin: 1rem 0 0.5rem;
}

#tabs button[aria-selected="true"] {
  background: var(--accent);
  color: #fff;
}

.panel {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 1rem;
}

button,
input,
select,
textarea {
  font: inherit;
  padding: 0.4rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--card);
  color: inherit;
}

button {
  cursor: pointer;
}

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}

textarea,
#chat-input {
  width: 100%;
}

.pill {
  padding: 0.2rem 0.8rem;
  border-radius: 999px;
  color: #fff;
  font-weight: 600;
}

.pill.idle {
  background: var(--idle);
}
.pill.connecting {
  background: var(--connecting);
}
.pill.listening {
  background: var(--listening);
}
.pill.thinking {
  background: var(--thinking);
}
.pill.speaking {
  background: var(--speaking);
}

.badge {
  font-size: 0.85rem;
  border: 1px solid var(--line);
  padding: 0.15rem 0.5rem;
  border-radius: 6px;
}

#captions {
  margin-top: 1rem;
  max-height: 50vh;
  overflow-y: auto;
  display: grid;
  gap: 0.4rem;
}

#captions p {
  margin: 0;
}

#error {
  background: #fee2e2;
  color: #7f1d1d;
  border: 1px solid #fca5a5;
  border-radius: 6px;
  padding: 0.6rem 0.9rem;
  margin-top: 0.8rem;
}

pre {
  white-space: pre-wrap;
  word-break: break-word;
}

[hidden] {
  display: none !important;
}