/* Voice AI - Dark theme with refined styling */
:root {
  /* Base palette - warm dark, not super dark */
  --bg-base: #1a1f2e;
  --bg-surface: #232936;
  --bg-elevated: #2d3548;
  --bg-card: #252b3b;
  --bg-input: #1e2433;

  /* Accent - teal/cyan */
  --accent: #22d3ee;
  --accent-dim: #0891b2;
  --accent-glow: rgba(34, 211, 238, 0.25);

  /* Secondary - soft violet */
  --secondary: #a78bfa;
  --secondary-dim: #7c3aed;

  /* Text */
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  /* Status colors */
  --status-idle: #64748b;
  --status-listening: #22c55e;
  --status-speaking: #eab308;
  --status-thinking: #a78bfa;
  --status-error: #ef4444;

  /* Effects */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 20px var(--accent-glow);
  --bevel-light: inset 0 1px 0 rgba(255, 255, 255, 0.06);
  --bevel-dark: inset 0 -1px 0 rgba(0, 0, 0, 0.2);
  --radius: 12px;
  --radius-sm: 8px;
}

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

body {
  font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-base);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.app {
  max-width: 1400px;
  margin: 0 auto;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  background: linear-gradient(180deg, var(--bg-surface) 0%, var(--bg-base) 100%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  box-shadow: var(--shadow-md);
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-icon {
  font-size: 1.5rem;
  color: var(--accent);
  filter: drop-shadow(0 0 8px var(--accent-glow));
}

.logo h1 {
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.subtitle {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-left: 0.5rem;
  font-weight: 400;
}

.status-badge {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.9rem;
  background: linear-gradient(180deg, var(--bg-elevated) 0%, #252d3d 100%);
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 500;
  box-shadow:
    var(--bevel-light),
    var(--bevel-dark),
    0 2px 4px rgba(0, 0, 0, 0.2),
    inset 0 1px 0 rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--status-idle);
  transition: background 0.3s ease, box-shadow 0.3s ease;
}

.status-badge.listening .status-dot {
  background: var(--status-listening);
  box-shadow: 0 0 8px var(--status-listening);
}

.status-badge.speaking .status-dot,
.status-badge.user_speaking .status-dot {
  background: var(--status-speaking);
  box-shadow: 0 0 8px var(--status-speaking);
}

.status-badge.thinking .status-dot,
.status-badge.processing_stt .status-dot {
  background: var(--status-thinking);
  box-shadow: 0 0 8px var(--status-thinking);
}

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

/* Main layout */
.main {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 1.5rem;
  padding: 1.5rem;
}

@media (max-width: 900px) {
  .main {
    grid-template-columns: 1fr;
  }
}

/* Panels */
.conversation-panel,
.control-panel,
.debug-panel {
  background: var(--bg-card);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow:
    var(--shadow-md),
    var(--bevel-light),
    0 2px 0 rgba(255, 255, 255, 0.03),
    inset 0 1px 0 rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.05);
  position: relative;
}

.panel-header {
  padding: 1rem 1.25rem;
  background: linear-gradient(180deg, var(--bg-elevated) 0%, var(--bg-card) 100%);
  border-bottom: 1px solid rgba(0, 0, 0, 0.2);
}

.panel-header h2 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.panel-content {
  padding: 1.25rem;
}

/* Transcript */
.conversation-panel .panel-content {
  padding: 0;
}

.transcript {
  min-height: 280px;
  max-height: 400px;
  overflow-y: auto;
  padding: 1.25rem;
}

.transcript-placeholder {
  color: var(--text-muted);
  font-style: italic;
}

.transcript .msg {
  margin-bottom: 1rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  line-height: 1.5;
}

.transcript .msg.user {
  background: linear-gradient(135deg, rgba(34, 211, 238, 0.12) 0%, rgba(34, 211, 238, 0.04) 100%);
  border-left: 3px solid var(--accent);
  margin-left: 0.5rem;
  box-shadow: var(--shadow-sm);
}

.transcript .msg.assistant {
  background: linear-gradient(135deg, rgba(167, 139, 250, 0.1) 0%, rgba(167, 139, 250, 0.02) 100%);
  border-left: 3px solid var(--secondary);
  margin-left: 0.5rem;
  box-shadow: var(--shadow-sm);
}

.transcript .msg .role {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 0.25rem;
}

/* Controls */
.controls {
  display: flex;
  gap: 0.75rem;
  padding: 1.25rem;
  border-top: 1px solid rgba(0, 0, 0, 0.2);
  background: var(--bg-elevated);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.25rem;
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 500;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: var(--bevel-light), var(--bevel-dark), var(--shadow-sm);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn:not(:disabled):hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn:not(:disabled):active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

.btn-icon {
  font-size: 0.75rem;
}

.btn-primary {
  background: linear-gradient(180deg, var(--accent) 0%, var(--accent-dim) 100%);
  color: #0f172a;
}

.btn-primary:not(:disabled):hover {
  box-shadow: 0 0 20px var(--accent-glow), 0 4px 12px rgba(0, 0, 0, 0.3);
}

.btn-primary:not(:disabled):active {
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.2);
}

.btn-secondary {
  background: var(--bg-elevated);
  color: var(--text-primary);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-outline {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.btn-outline:not(:disabled):hover {
  color: var(--accent);
  border-color: var(--accent);
}

/* Form elements */
.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 0.4rem;
}

.form-group input[type="text"],
.form-group select {
  width: 100%;
  padding: 0.5rem 0.75rem;
  background: var(--bg-input);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.9rem;
  transition: border-color 0.2s;
}

.form-group input[type="text"]:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-glow);
}

.form-group input[type="range"] {
  width: calc(100% - 3rem);
  margin-right: 0.5rem;
  accent-color: var(--accent);
}

.range-value {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.form-group input[type="checkbox"] {
  margin-right: 0.5rem;
  accent-color: var(--accent);
}

.form-group.voice-clone .voice-existing-select {
  display: block;
  width: 100%;
  margin: 0.5rem 0;
  font-size: 0.9rem;
}

.form-group.voice-clone .voice-clone-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0.5rem 0;
  flex-wrap: wrap;
}

.form-group.voice-clone input[type="file"] {
  flex: 1;
  min-width: 120px;
  font-size: 0.85rem;
}

.btn-record {
  padding: 0.5rem 1rem;
  font-size: 0.95rem;
  font-weight: 600;
  min-width: 100px;
}
.btn-record.recording {
  background: var(--status-error) !important;
  color: white !important;
  border-color: var(--status-error) !important;
  animation: record-btn-pulse 1.5s ease-in-out infinite;
}
@keyframes record-btn-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.5); }
  50% { box-shadow: 0 0 0 8px rgba(239, 68, 68, 0); }
}

.form-group.voice-clone.voice-clone-highlight {
  border: 1px solid rgba(34, 211, 238, 0.3);
  border-radius: var(--radius-sm);
  padding: 0.75rem;
  margin-top: 0.5rem;
}
.form-group.voice-clone .voice-clone-hint,
.form-group .form-hint {
  display: block;
  margin-top: 0.25rem;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.btn-sm {
  padding: 0.35rem 0.75rem;
  font-size: 0.85rem;
}

.btn-sm.recording,
#btnRecordVoice.recording {
  background: var(--status-error);
  color: white;
  border-color: var(--status-error);
}

.voice-record-status {
  display: block;
  margin-top: 0.5rem;
  padding: 0.5rem 0.75rem;
  font-size: 0.9rem;
  min-height: 1.5em;
  border-radius: var(--radius-sm);
}
.voice-record-status.recording {
  background: rgba(239, 68, 68, 0.15);
  color: var(--status-error);
  font-weight: 600;
  border: 1px solid rgba(239, 68, 68, 0.4);
}
.voice-record-status.sending {
  background: rgba(34, 211, 238, 0.1);
  color: var(--accent);
}

/* Debug panel */
.debug-content {
  padding: 1rem;
}

.debug-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
  font-size: 0.85rem;
}

.debug-label {
  width: 48px;
  color: var(--text-muted);
  font-weight: 500;
}

.debug-bar {
  flex: 1;
  height: 6px;
  background: var(--bg-input);
  border-radius: 3px;
  overflow: hidden;
}

.debug-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent-dim), var(--accent));
  border-radius: 3px;
  transition: width 0.1s ease;
}

.debug-value {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  color: var(--text-secondary);
  min-width: 48px;
}

/* Error toast */
.error-toast {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--status-error);
  color: white;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  box-shadow: var(--shadow-lg);
  z-index: 9999;
  opacity: 0;
  transition: transform 0.3s ease, opacity 0.3s ease;
  max-width: 90%;
}

.error-toast.visible {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}