.about-page {
  background: #0a0a0a;
  color: #e8e8e8;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.about-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 6rem 2rem 4rem;
  gap: 2.5rem;
  max-width: 800px;
  margin: 0 auto;
  width: 100%;
}

/* Header */
.about-header {
  text-align: center;
}

.about-header h1 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin: 0 0 0.5rem;
  color: #fff;
}

.about-subtitle {
  font-family: 'Inter', sans-serif;
  font-size: 0.875rem;
  color: #666;
  margin: 0;
  letter-spacing: 0.02em;
}

/* Waveform canvas */
.visualizer-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  width: 100%;
}

#waveform {
  width: 100%;
  max-width: 640px;
  height: 120px;
  display: block;
}

.status-label {
  font-family: 'Space Grotesk', monospace;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #444;
  margin: 0;
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  transition: color 0.3s ease;
}

.status-label.listening { color: #888; }
.status-label.thinking  { color: #666; }
.status-label.speaking  { color: #aaa; }

/* Transcript */
.transcript-section {
  width: 100%;
  max-width: 640px;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-height: 280px;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: #222 transparent;
}

.transcript-section::-webkit-scrollbar { width: 4px; }
.transcript-section::-webkit-scrollbar-track { background: transparent; }
.transcript-section::-webkit-scrollbar-thumb { background: #222; border-radius: 2px; }

.turn {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.turn-label {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #444;
}

.turn-text {
  font-family: 'Inter', sans-serif;
  font-size: 0.9rem;
  line-height: 1.6;
  color: #c8c8c8;
}

.turn.user .turn-label { color: #555; }
.turn.user .turn-text  { color: #888; }

/* Input section */
.input-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  width: 100%;
  max-width: 640px;
}

.start-btn {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  background: transparent;
  color: #e8e8e8;
  border: 1px solid #333;
  padding: 0.75rem 2.5rem;
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s;
}

.start-btn:hover {
  border-color: #888;
  color: #fff;
}

.text-input-row {
  display: flex;
  width: 100%;
  gap: 0.5rem;
}

.text-input-row input {
  flex: 1;
  background: #111;
  border: 1px solid #222;
  color: #e8e8e8;
  font-family: 'Inter', sans-serif;
  font-size: 0.875rem;
  padding: 0.6rem 0.9rem;
  outline: none;
  transition: border-color 0.2s;
}

.text-input-row input:focus {
  border-color: #444;
}

.text-input-row button {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: transparent;
  color: #888;
  border: 1px solid #222;
  padding: 0.6rem 1.2rem;
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s;
}

.text-input-row button:hover {
  border-color: #555;
  color: #e8e8e8;
}

.fallback-msg {
  font-family: 'Inter', sans-serif;
  font-size: 0.75rem;
  color: #444;
  margin: 0;
}

.hidden {
  display: none !important;
}