*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg: #0f1117;
  --bg-card: #1a1d27;
  --bg-input: #252833;
  --border: #2e3240;
  --text: #e0e2ea;
  --text-dim: #8b8fa3;
  --accent: #4a7dff;
  --accent-hover: #5e8dff;
  --danger: #e5484d;
  --danger-hover: #f06065;
  --success: #30a46c;
  --warning: #f5a623;
  --radius: 8px;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.5;
  min-height: 100vh;
}

.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 32px 20px;
}

header {
  margin-bottom: 28px;
}

h1 {
  font-size: 24px;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.subtitle {
  color: var(--text-dim);
  font-size: 14px;
  margin-top: 4px;
}

.controls {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 16px;
}

.input-group {
  margin-bottom: 14px;
}

.input-group label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-dim);
  margin-bottom: 6px;
}

.input-group input,
.input-group select {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 14px;
  padding: 10px 12px;
  outline: none;
  transition: border-color 0.15s;
}

.input-group input:focus,
.input-group select:focus {
  border-color: var(--accent);
}

.input-group select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%238b8fa3' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 32px;
}

.input-row {
  display: flex;
  gap: 14px;
  align-items: flex-end;
}

.input-row .input-group {
  flex: 1;
  margin-bottom: 0;
}

.button-group {
  display: flex;
  gap: 8px;
  padding-bottom: 1px;
}

.btn {
  padding: 10px 20px;
  border: none;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s, opacity 0.15s;
  white-space: nowrap;
}

.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-primary:hover:not(:disabled) {
  background: var(--accent-hover);
}

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

.btn-danger:hover:not(:disabled) {
  background: var(--danger-hover);
}

.status-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
  font-size: 13px;
  color: var(--text-dim);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--border);
  flex-shrink: 0;
  transition: background 0.2s;
}

.status-dot.connecting {
  background: var(--warning);
  animation: pulse 1s infinite;
}

.status-dot.streaming {
  background: var(--success);
}

.status-dot.error {
  background: var(--danger);
}

.status-dot.stopped {
  background: var(--border);
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.transcript-panel {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  min-height: 300px;
  max-height: 60vh;
  overflow-y: auto;
}

.transcript-placeholder {
  color: var(--text-dim);
  font-size: 14px;
  text-align: center;
  padding: 40px 0;
}

.transcript-entry {
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}

.transcript-entry:last-child {
  border-bottom: none;
}

.transcript-meta {
  font-size: 12px;
  color: var(--text-dim);
  margin-bottom: 4px;
  display: flex;
  justify-content: space-between;
}

.transcript-original {
  font-size: 13px;
  color: var(--text-dim);
  margin-bottom: 2px;
}

.transcript-translated {
  font-size: 15px;
  color: var(--text);
  font-weight: 500;
}