/* Whisper STT Studio - Modern Responsive Stylesheet */

:root {
  --bg-primary: #0a0d14;
  --bg-secondary: #121620;
  --bg-card: #181d2a;
  --bg-card-hover: #1e2434;
  --bg-input: #10141f;
  --border-color: #272f44;
  --border-focus: #6366f1;
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent-primary: #6366f1;
  --accent-primary-hover: #4f46e5;
  --accent-cyan: #06b6d4;
  --accent-success: #10b981;
  --accent-danger: #ef4444;
  --accent-warning: #f59e0b;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 14px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.6);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.5;
  min-height: 100vh;
  padding: 20px 16px;
  display: flex;
  justify-content: center;
}

.app-container {
  width: 100%;
  max-width: 1240px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* Header */
.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  padding: 16px 24px;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.logo-icon {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, #6366f1 0%, #06b6d4 100%);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  box-shadow: 0 0 20px rgba(99, 102, 241, 0.4);
}

.header-title {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  background: linear-gradient(to right, #fff, #cbd5e1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.header-subtitle {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.header-meta {
  display: flex;
  gap: 10px;
  align-items: center;
}

.meta-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 9999px;
  font-size: 0.8rem;
  font-weight: 500;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
}

.tailscale-badge {
  color: var(--accent-success);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--accent-success);
  box-shadow: 0 0 8px var(--accent-success);
}

.model-badge {
  color: var(--accent-cyan);
}

.badge-label {
  color: var(--text-muted);
}

/* Tailscale Connection Info Bar */
.tailscale-info-bar {
  background: linear-gradient(90deg, rgba(99, 102, 241, 0.08) 0%, rgba(6, 182, 212, 0.08) 100%);
  border: 1px solid rgba(99, 102, 241, 0.25);
  border-radius: var(--radius-md);
  padding: 10px 18px;
  font-size: 0.85rem;
}

.tailscale-bar-content {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.tailscale-bar-title {
  font-weight: 600;
  color: #a5b4fc;
}

.tailscale-links {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}

.ts-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  transition: all 0.2s ease;
}

.ts-chip:hover {
  background-color: var(--bg-card-hover);
  border-color: var(--accent-primary);
  color: #fff;
  transform: translateY(-1px);
}

.ts-chip-tag {
  font-size: 0.68rem;
  padding: 1px 5px;
  border-radius: 4px;
  background-color: rgba(99, 102, 241, 0.2);
  color: #818cf8;
}

/* Main Layout Grid */
.main-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

@media (max-width: 960px) {
  .main-layout {
    grid-template-columns: 1fr;
  }
}

/* Cards */
.card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  box-shadow: var(--shadow-sm);
}

/* Tab Navigation */
.tab-nav {
  display: flex;
  background-color: var(--bg-input);
  padding: 4px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  gap: 4px;
}

.tab-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 16px;
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.tab-btn:hover {
  color: var(--text-primary);
}

.tab-btn.active {
  background-color: var(--bg-card);
  color: #fff;
  font-weight: 600;
  box-shadow: var(--shadow-sm);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

/* Microphone Recorder */
.mic-recorder-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  padding: 14px 0;
}

.visualizer-container {
  width: 100%;
  height: 70px;
  background-color: var(--bg-input);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  overflow: hidden;
  position: relative;
}

#audio-visualizer {
  width: 100%;
  height: 100%;
  display: block;
}

.record-timer {
  font-family: var(--font-mono);
  font-size: 1.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--text-primary);
}

.mic-controls {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn-record {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 28px;
  font-size: 1rem;
  font-weight: 600;
  border-radius: 9999px;
  background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
  color: #fff;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 15px rgba(239, 68, 68, 0.4);
  transition: all 0.2s ease;
}

.btn-record:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(239, 68, 68, 0.5);
}

.btn-record.recording {
  background: linear-gradient(135deg, #475569 0%, #334155 100%);
  box-shadow: 0 4px 15px rgba(71, 85, 105, 0.4);
}

.record-pulse {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: #fff;
  display: inline-block;
}

.btn-record.recording .record-pulse {
  background-color: #ef4444;
  animation: pulse-ring 1.2s infinite;
}

@keyframes pulse-ring {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.7); }
  70% { transform: scale(1.1); box-shadow: 0 0 0 10px rgba(239, 68, 68, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(239, 68, 68, 0); }
}

/* Dropzone */
.dropzone {
  border: 2px dashed var(--border-color);
  border-radius: var(--radius-md);
  padding: 32px 16px;
  text-align: center;
  background-color: var(--bg-input);
  cursor: pointer;
  transition: all 0.25s ease;
}

.dropzone:hover, .dropzone.drag-over {
  border-color: var(--accent-primary);
  background-color: rgba(99, 102, 241, 0.05);
}

.drop-icon {
  color: var(--text-muted);
  margin-bottom: 12px;
}

.drop-title {
  font-weight: 500;
  font-size: 0.95rem;
  margin-bottom: 6px;
}

.drop-title .highlight {
  color: var(--accent-primary);
  text-decoration: underline;
}

.drop-subtitle {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.selected-file-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  margin-top: 12px;
}

.file-details {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--accent-cyan);
}

.file-name {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-primary);
  word-break: break-all;
}

.file-size {
  font-size: 0.76rem;
  color: var(--text-muted);
}

.btn-text-danger {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.1rem;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
}

.btn-text-danger:hover {
  color: var(--accent-danger);
  background-color: rgba(239, 68, 68, 0.1);
}

.audio-preview-box {
  width: 100%;
  margin-top: 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.preview-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

audio {
  width: 100%;
  height: 38px;
  border-radius: var(--radius-md);
  filter: invert(1) hue-rotate(180deg);
}

/* Settings */
.settings-section {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--border-color);
}

.section-title {
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
}

.settings-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

@media (max-width: 600px) {
  .settings-grid {
    grid-template-columns: 1fr;
  }
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

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

.form-control {
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  padding: 8px 12px;
  font-size: 0.88rem;
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s ease;
}

.form-control:focus {
  border-color: var(--accent-primary);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: var(--radius-md);
  padding: 10px 18px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.2s ease;
}

.btn-primary {
  background: linear-gradient(135deg, #6366f1 0%, #4f46e5 100%);
  color: #fff;
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.35);
}

.btn-primary:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(99, 102, 241, 0.5);
}

.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.btn-secondary {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
}

.btn-secondary:hover {
  background-color: var(--bg-card-hover);
  border-color: var(--accent-primary);
}

.btn-large {
  width: 100%;
  padding: 14px 20px;
  font-size: 1rem;
}

.btn-icon {
  padding: 10px;
  border-radius: 50%;
}

/* Results Card */
.results-card {
  position: relative;
  min-height: 480px;
}

.empty-state, .loading-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
  gap: 12px;
  height: 100%;
}

.empty-icon {
  color: var(--border-color);
}

.empty-state h3, .loading-state h3 {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-primary);
}

.empty-state p, .loading-state p {
  font-size: 0.88rem;
  max-width: 380px;
}

.spinner {
  width: 48px;
  height: 48px;
  border: 4px solid var(--border-color);
  border-top-color: var(--accent-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: 8px;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.elapsed-counter {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent-cyan);
  background-color: rgba(6, 182, 212, 0.1);
  padding: 4px 12px;
  border-radius: 9999px;
  margin-top: 6px;
}

/* Populated Results View */
.results-content {
  display: flex;
  flex-direction: column;
  gap: 16px;
  height: 100%;
}

.metrics-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 12px 14px;
}

@media (max-width: 600px) {
  .metrics-bar {
    grid-template-columns: repeat(2, 1fr);
  }
}

.metric-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.metric-label {
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.metric-val {
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--accent-cyan);
}

.playback-bar {
  margin-top: -4px;
}

/* Results Tabs */
.results-tabs-nav {
  display: flex;
  gap: 6px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 8px;
}

.res-tab-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s ease;
}

.res-tab-btn:hover {
  color: var(--text-primary);
}

.res-tab-btn.active {
  background-color: rgba(99, 102, 241, 0.15);
  color: #a5b4fc;
  font-weight: 600;
}

.res-tab-content {
  display: none;
  flex: 1;
  min-height: 240px;
  max-height: 400px;
  overflow-y: auto;
}

.res-tab-content.active {
  display: block;
}

/* Segments List */
.segments-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-right: 4px;
}

.segment-item {
  display: flex;
  gap: 12px;
  padding: 10px 14px;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  align-items: flex-start;
  transition: all 0.2s ease;
  cursor: pointer;
}

.segment-item:hover {
  background-color: var(--bg-card-hover);
  border-color: var(--accent-primary);
}

.segment-item.playing {
  border-color: var(--accent-cyan);
  background-color: rgba(6, 182, 212, 0.1);
}

.segment-time-badge {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-primary);
  background-color: rgba(99, 102, 241, 0.15);
  padding: 3px 8px;
  border-radius: 4px;
  white-space: nowrap;
}

.segment-text {
  font-size: 0.9rem;
  color: var(--text-primary);
  line-height: 1.5;
}

/* Text Display & Subtitle Code Display */
.text-display {
  padding: 14px;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--text-primary);
  white-space: pre-wrap;
  min-height: 200px;
}

.code-display {
  padding: 14px;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: #93c5fd;
  white-space: pre-wrap;
  min-height: 200px;
}

/* Export Actions */
.export-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  padding-top: 12px;
  border-top: 1px solid var(--border-color);
}

.download-dropdown {
  display: flex;
  gap: 6px;
}

/* Toast */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background-color: var(--bg-card);
  border: 1px solid var(--accent-success);
  color: #fff;
  padding: 12px 20px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  font-size: 0.88rem;
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 1000;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}