/* ==========================================================================
   VisionVoice — Modern Web Application Design System
   Theme: Obsidian Glassmorphism, Radiant Cyan & Electric Violet Accents
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;600;700&family=Outfit:wght@300;400;500;600;700;800;900&display=swap');

:root {
  --bg-base: #060913;
  --bg-surface: #0b1120;
  --bg-surface-elevated: #111b33;
  --bg-glass: rgba(11, 17, 32, 0.78);
  --bg-glass-card: rgba(17, 27, 51, 0.65);
  --bg-glass-card-hover: rgba(23, 36, 68, 0.75);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(0, 242, 254, 0.3);
  --border-glow-violet: rgba(139, 92, 246, 0.35);

  --accent-cyan: #00f2fe;
  --accent-cyan-glow: rgba(0, 242, 254, 0.35);
  --accent-blue: #38bdf8;
  --accent-violet: #8b5cf6;
  --accent-violet-glow: rgba(139, 92, 246, 0.35);
  --accent-emerald: #10b981;
  --accent-amber: #f59e0b;
  --accent-rose: #f43f5e;

  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;

  --font-sans: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  --shadow-glow-cyan: 0 0 30px rgba(0, 242, 254, 0.22);
  --shadow-glow-violet: 0 0 30px rgba(139, 92, 246, 0.22);
  --shadow-card: 0 16px 36px -12px rgba(0, 0, 0, 0.6);
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-base);
  color: var(--text-main);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.5;
  background-image: 
    radial-gradient(circle at 15% 15%, rgba(0, 242, 254, 0.08) 0%, transparent 45%),
    radial-gradient(circle at 85% 25%, rgba(139, 92, 246, 0.08) 0%, transparent 45%),
    radial-gradient(circle at 50% 85%, rgba(56, 189, 248, 0.05) 0%, transparent 50%);
  background-attachment: fixed;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 7px;
  height: 7px;
}
::-webkit-scrollbar-track {
  background: var(--bg-base);
}
::-webkit-scrollbar-thumb {
  background: var(--bg-surface-elevated);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent-cyan);
}

/* ==========================================================================
   Top Navigation Bar
   ========================================================================== */
.top-navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(6, 9, 19, 0.82);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  padding: 0.75rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand-section {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  text-decoration: none;
  cursor: pointer;
}

.brand-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, rgba(0, 242, 254, 0.2), rgba(139, 92, 246, 0.25));
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-md);
  font-size: 1.45rem;
  box-shadow: var(--shadow-glow-cyan);
  transition: var(--transition);
}

.brand-section:hover .brand-logo {
  transform: scale(1.06) rotate(3deg);
  border-color: var(--accent-cyan);
}

.brand-title {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, #ffffff 30%, #00f2fe 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.brand-subtitle {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 400;
}

/* Tab Navigation */
.tab-navigation {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  background: rgba(11, 17, 32, 0.6);
  padding: 0.3rem 0.4rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-subtle);
}

.tab-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 0.45rem 0.95rem;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 0.4rem;
  white-space: nowrap;
}

.tab-btn:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.05);
}

.tab-btn.active {
  color: #fff;
  background: linear-gradient(135deg, rgba(0, 242, 254, 0.2), rgba(139, 92, 246, 0.3));
  border: 1px solid var(--border-glow);
  box-shadow: 0 0 15px rgba(0, 242, 254, 0.2);
}

/* Nav Telemetry Indicators */
.nav-telemetry-bar {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.status-pill {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  font-family: var(--font-mono);
  background: rgba(16, 185, 129, 0.12);
  color: var(--accent-emerald);
  border: 1px solid rgba(16, 185, 129, 0.35);
  box-shadow: 0 0 12px rgba(16, 185, 129, 0.2);
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent-emerald);
  box-shadow: 0 0 8px var(--accent-emerald);
  animation: pulseDot 2s infinite;
}

@keyframes pulseDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.8); }
}

.status-pill.status-busy {
  background: rgba(0, 242, 254, 0.12);
  color: var(--accent-cyan);
  border-color: rgba(0, 242, 254, 0.4);
}
.status-pill.status-busy .status-dot {
  background: var(--accent-cyan);
  box-shadow: 0 0 8px var(--accent-cyan);
}

.status-pill.status-error {
  background: rgba(244, 63, 94, 0.15);
  color: var(--accent-rose);
  border-color: rgba(244, 63, 94, 0.4);
}
.status-pill.status-error .status-dot {
  background: var(--accent-rose);
  box-shadow: 0 0 8px var(--accent-rose);
}

.stat-chip {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(17, 27, 51, 0.7);
  border: 1px solid var(--border-subtle);
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.form-select {
  background: rgba(6, 9, 19, 0.85);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
  border-radius: var(--radius-sm);
  padding: 0.25rem 0.5rem;
  font-family: var(--font-sans);
  font-size: 0.8rem;
  outline: none;
  cursor: pointer;
  transition: var(--transition);
}

.form-select:hover, .form-select:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 8px var(--border-glow);
}

/* ==========================================================================
   Website Hero Banner Section
   ========================================================================== */
.hero-banner {
  padding: 2.25rem 2rem 1.5rem;
  max-width: 1400px;
  margin: 0 auto;
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1rem;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 1rem;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, rgba(0, 242, 254, 0.1), rgba(139, 92, 246, 0.15));
  border: 1px solid var(--border-glow);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent-cyan);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  box-shadow: 0 0 20px rgba(0, 242, 254, 0.15);
}

.hero-title {
  font-size: clamp(2rem, 4vw, 3.25rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.15;
  max-width: 900px;
}

.hero-title .gradient-text {
  background: linear-gradient(135deg, #00f2fe 0%, #38bdf8 40%, #c084fc 80%, #ffffff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 680px;
  line-height: 1.6;
}

/* Quick Action Cards / Feature Pills */
.hero-quick-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 0.5rem;
}

.quick-action-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.25rem;
  border-radius: var(--radius-full);
  background: rgba(17, 27, 51, 0.8);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
  font-weight: 600;
  font-size: 0.85rem;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}

.quick-action-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--accent-cyan);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow-cyan);
}

.quick-action-btn.primary {
  background: linear-gradient(135deg, #00f2fe, #38bdf8);
  color: #060913;
  border: none;
  font-weight: 700;
  box-shadow: 0 0 25px rgba(0, 242, 254, 0.4);
}

.quick-action-btn.primary:hover {
  background: linear-gradient(135deg, #38bdf8, #8b5cf6);
  color: #fff;
  box-shadow: 0 0 35px rgba(139, 92, 246, 0.5);
}

/* ==========================================================================
   Main App Workspace & Tab Layout
   ========================================================================== */
.dashboard-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1rem 2rem 4rem;
}

.tab-content {
  display: none;
  animation: fadeIn 0.3s ease-in-out forwards;
}

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

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Grid Layouts */
.station-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 1.5rem;
  align-items: start;
}

.dual-pane-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-top: 1rem;
}

.book-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1.25rem;
}

.diag-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1rem;
}

/* ==========================================================================
   Glassmorphic Card System
   ========================================================================== */
.glass-card {
  background: var(--bg-glass-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.glass-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.15), transparent);
}

.glass-card:hover {
  border-color: rgba(255, 255, 255, 0.12);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  gap: 1rem;
  flex-wrap: wrap;
}

.card-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.card-badge {
  font-size: 0.72rem;
  font-weight: 700;
  font-family: var(--font-mono);
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-full);
  background: rgba(0, 242, 254, 0.1);
  color: var(--accent-cyan);
  border: 1px solid rgba(0, 242, 254, 0.3);
}

/* ==========================================================================
   Interactive Camera Scanner & HUD Viewport
   ========================================================================== */
.camera-container {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  background: #000;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: inset 0 0 40px rgba(0, 0, 0, 0.8);
  transition: var(--transition);
}

.camera-container.drag-over {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 35px var(--accent-cyan-glow);
}

.camera-stream {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Laser Scanning Beam Animation */
.scan-laser {
  position: absolute;
  left: 10%;
  right: 10%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-cyan), #ffffff, var(--accent-cyan), transparent);
  box-shadow: 0 0 15px var(--accent-cyan), 0 0 30px var(--accent-cyan);
  z-index: 5;
  pointer-events: none;
  animation: scanLaserAnim 3s infinite ease-in-out;
  display: none;
}

.camera-container.scanning .scan-laser {
  display: block;
}

@keyframes scanLaserAnim {
  0% { top: 15%; opacity: 0; }
  15% { opacity: 1; }
  85% { opacity: 1; }
  100% { top: 85%; opacity: 0; }
}

/* Holographic Camera HUD Overlay */
.camera-hud-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 1rem;
  z-index: 4;
}

.hud-top-row, .hud-bottom-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.hud-badge {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-sm);
  background: rgba(6, 9, 19, 0.85);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
}

.hud-guidance-pill {
  font-size: 0.82rem;
  font-weight: 600;
  padding: 0.4rem 0.9rem;
  border-radius: var(--radius-full);
  background: rgba(6, 9, 19, 0.88);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-glow);
  color: var(--accent-cyan);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.5);
  margin: 0 auto;
  text-align: center;
}

/* Stream Actions Bar */
.stream-actions {
  display: flex;
  gap: 0.65rem;
  margin-top: 1rem;
}

/* ==========================================================================
   Buttons & Interactive Controls
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-sans);
  font-size: 0.88rem;
  font-weight: 600;
  padding: 0.65rem 1.25rem;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: var(--transition);
  outline: none;
  text-decoration: none;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: linear-gradient(135deg, #00f2fe, #38bdf8);
  color: #060913;
  font-weight: 700;
  box-shadow: 0 4px 20px rgba(0, 242, 254, 0.3);
}

.btn-primary:hover {
  box-shadow: 0 6px 28px rgba(0, 242, 254, 0.45);
  transform: translateY(-2px);
}

.btn-secondary {
  background: rgba(17, 27, 51, 0.8);
  color: var(--text-main);
  border: 1px solid var(--border-subtle);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--accent-cyan);
  color: #fff;
}

.btn-accent {
  background: linear-gradient(135deg, #8b5cf6, #d946ef);
  color: #fff;
  box-shadow: 0 4px 20px rgba(139, 92, 246, 0.3);
}

.btn-accent:hover {
  box-shadow: 0 6px 28px rgba(139, 92, 246, 0.45);
  transform: translateY(-2px);
}

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

/* ==========================================================================
   Active Reading Stage, Karaoke & Audio Deck
   ========================================================================== */
.active-reading-stage {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

/* Karaoke Display */
.karaoke-display {
  background: rgba(6, 9, 19, 0.8);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  min-height: 140px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: inset 0 0 30px rgba(0, 242, 254, 0.05);
  position: relative;
}

.karaoke-sentence-index {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

.karaoke-text {
  font-size: 1.2rem;
  font-weight: 600;
  line-height: 1.55;
  color: #fff;
  transition: var(--transition);
}

.karaoke-text.empty-state {
  color: var(--text-dim);
  font-size: 0.95rem;
  font-weight: 400;
}

/* Audio Waveform Canvas */
.audio-visualizer-canvas {
  width: 100%;
  height: 52px;
  background: rgba(6, 9, 19, 0.6);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  display: block;
}

/* Playback Controls Row */
.playback-controls-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  background: rgba(11, 17, 32, 0.7);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  flex-wrap: wrap;
}

.ctrl-btn-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.ctrl-btn {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  font-size: 0.95rem;
}

.ctrl-btn:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: var(--accent-cyan);
  transform: scale(1.08);
}

.ctrl-btn-lg {
  width: 46px;
  height: 46px;
  font-size: 1.15rem;
  background: linear-gradient(135deg, #00f2fe, #38bdf8);
  color: #060913;
  border: none;
  box-shadow: 0 0 18px rgba(0, 242, 254, 0.35);
}

.ctrl-btn-lg:hover {
  transform: scale(1.1);
  box-shadow: 0 0 25px rgba(0, 242, 254, 0.5);
}

.volume-slider-group {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.85rem;
}

.volume-slider {
  -webkit-appearance: none;
  width: 90px;
  height: 5px;
  border-radius: var(--radius-full);
  background: var(--bg-surface-elevated);
  outline: none;
  cursor: pointer;
}

.volume-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent-cyan);
  cursor: pointer;
  box-shadow: 0 0 10px var(--accent-cyan);
}

/* Speed Selector Chips */
.speed-chips {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.speed-chip {
  background: transparent;
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 0.2rem 0.45rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
}

.speed-chip.active, .speed-chip:hover {
  background: rgba(0, 242, 254, 0.15);
  color: var(--accent-cyan);
  border-color: var(--accent-cyan);
}

/* Sentence Flow Queue */
.sentence-flow-list {
  max-height: 220px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding-right: 0.35rem;
}

.sentence-item {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  padding: 0.55rem 0.85rem;
  border-radius: var(--radius-sm);
  background: rgba(6, 9, 19, 0.5);
  border: 1px solid transparent;
  font-size: 0.88rem;
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--transition);
}

.sentence-item:hover {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-main);
  border-color: var(--border-subtle);
}

.sentence-item.active {
  background: rgba(0, 242, 254, 0.1);
  color: #fff;
  border-color: var(--border-glow);
}

.sentence-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-cyan);
  font-weight: 700;
}

/* ==========================================================================
   Multilingual Studio Pane
   ========================================================================== */
.text-pane-box {
  background: rgba(6, 9, 19, 0.6);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.pane-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
}

.pane-textarea {
  width: 100%;
  min-height: 160px;
  background: rgba(11, 17, 32, 0.6);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 0.85rem;
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  line-height: 1.55;
  resize: vertical;
  outline: none;
  transition: var(--transition);
}

.pane-textarea:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 12px var(--border-glow);
}

/* ==========================================================================
   Book Cards & Library Shelf
   ========================================================================== */
.book-card {
  background: rgba(11, 17, 32, 0.65);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1rem;
  transition: var(--transition);
  position: relative;
}

.book-card:hover {
  transform: translateY(-3px);
  border-color: var(--accent-cyan);
  box-shadow: var(--shadow-glow-cyan);
}

.book-card.active-book {
  border-color: var(--accent-cyan);
  background: linear-gradient(135deg, rgba(0, 242, 254, 0.08), rgba(139, 92, 246, 0.1));
}

.book-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-full);
  background: rgba(0, 242, 254, 0.15);
  color: var(--accent-cyan);
  border: 1px solid rgba(0, 242, 254, 0.3);
}

.book-meta-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.book-keywords-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-top: 0.5rem;
}

.keyword-pill {
  font-size: 0.72rem;
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-muted);
  border: 1px solid var(--border-subtle);
}

/* ==========================================================================
   Gallery Items
   ========================================================================== */
.gallery-item {
  position: relative;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  cursor: pointer;
  transition: var(--transition);
}

.gallery-item:hover {
  transform: scale(1.03);
  border-color: var(--accent-cyan);
  box-shadow: var(--shadow-glow-cyan);
}

.gallery-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(6, 9, 19, 0.9) 0%, transparent 60%);
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  padding: 0.75rem;
  font-size: 0.75rem;
  color: var(--text-main);
  font-family: var(--font-mono);
}

/* ==========================================================================
   Voice Assistant Sphere & Console
   ========================================================================== */
.voice-sphere-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem;
  gap: 1.25rem;
}

.voice-orb {
  width: 90px;
  height: 90px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, #00f2fe, #8b5cf6);
  box-shadow: 0 0 35px rgba(0, 242, 254, 0.4), inset 0 0 20px rgba(255, 255, 255, 0.6);
  cursor: pointer;
  transition: var(--transition);
  position: relative;
}

.voice-orb.listening {
  animation: orbPulse 1.4s infinite ease-in-out;
  box-shadow: 0 0 50px rgba(0, 242, 254, 0.7), inset 0 0 25px #fff;
}

@keyframes orbPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.12); filter: hue-rotate(30deg); }
}

/* Logs Console */
.logs-console {
  background: rgba(6, 9, 19, 0.9);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.85rem;
  max-height: 320px;
  overflow-y: auto;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.log-entry {
  display: flex;
  gap: 0.5rem;
  line-height: 1.4;
  color: var(--text-muted);
}

.log-time { color: var(--text-dim); }
.log-cat { color: var(--accent-cyan); font-weight: 700; }
.log-msg { color: var(--text-main); word-break: break-word; }

.log-entry.error .log-cat { color: var(--accent-rose); }
.log-entry.error .log-msg { color: var(--accent-rose); }
.log-entry.warning .log-cat { color: var(--accent-amber); }

/* ==========================================================================
   Diagnostics Cards
   ========================================================================== */
.diag-card {
  background: rgba(11, 17, 32, 0.6);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.15rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.diag-name {
  font-weight: 700;
  font-size: 0.92rem;
  color: #fff;
}

.diag-detail {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 0.2rem;
}

.diag-badge {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
}

.diag-badge.pass {
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-emerald);
  border: 1px solid rgba(16, 185, 129, 0.35);
}

.diag-badge.fail {
  background: rgba(244, 63, 94, 0.15);
  color: var(--accent-rose);
  border: 1px solid rgba(244, 63, 94, 0.35);
}

/* ==========================================================================
   Toast Notifications
   ========================================================================== */
#toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.toast {
  background: rgba(11, 17, 32, 0.95);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-glow);
  color: #fff;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
  animation: slideToast 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  max-width: 360px;
}

@keyframes slideToast {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* ==========================================================================
   Website Footer
   ========================================================================== */
.site-footer {
  border-top: 1px solid var(--border-subtle);
  background: rgba(6, 9, 19, 0.9);
  padding: 2rem;
  text-align: center;
  color: var(--text-dim);
  font-size: 0.82rem;
  margin-top: 3rem;
}

.footer-shortcuts {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.shortcut-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.kbd {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
  padding: 0.1rem 0.4rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.72rem;
}

/* ==========================================================================
   Responsive Adaptations
   ========================================================================== */
@media (max-width: 1024px) {
  .station-grid {
    grid-template-columns: 1fr;
  }
  .dual-pane-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .top-navbar {
    flex-direction: column;
    align-items: stretch;
    padding: 0.75rem 1rem;
    gap: 0.75rem;
  }
  .tab-navigation {
    overflow-x: auto;
    width: 100%;
  }
  .nav-telemetry-bar {
    justify-content: space-between;
    overflow-x: auto;
  }
  .dashboard-container {
    padding: 1rem;
  }
}