/* SafeSense v2 - Universal Biomechanics Platform */

:root {
  /* Mode Colors */
  --gym-primary: #00D9A5;
  --gym-secondary: #00B894;
  --gym-accent: #55EFC4;
  
  --drive-primary: #0984E3;
  --drive-secondary: #74B9FF;
  --drive-danger: #FF4757;
  
  --life-primary: #6C5CE7;
  --life-secondary: #A29BFE;
  --life-safe: #00B894;
  
  /* Base Colors */
  --bg-dark: #0A0A0F;
  --bg-card: #12121A;
  --bg-card-light: #1A1A25;
  --text-primary: #FFFFFF;
  --text-secondary: #8B8B9A;
  --text-muted: #5A5A6E;
  
  /* Status Colors */
  --success: #00D9A5;
  --warning: #FDCB6E;
  --danger: #FF4757;
  --info: #74B9FF;
  
  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  
  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition: 0.3s ease;
  --transition-slow: 0.5s ease;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg-dark);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.5;
}

/* ==================
   LOADING SCREEN
   ================== */

.loading-screen {
  position: fixed;
  inset: 0;
  background: linear-gradient(135deg, #0A0A0F 0%, #1A1A25 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.5s, visibility 0.5s;
}

.loading-screen.hidden {
  opacity: 0;
  visibility: hidden;
}

.loading-content {
  text-align: center;
}

.loading-content .logo {
  font-size: 80px;
  margin-bottom: var(--space-md);
  animation: pulse 2s infinite;
}

.loading-content h1 {
  font-size: 48px;
  font-weight: 700;
  background: linear-gradient(135deg, var(--gym-primary), var(--drive-primary), var(--life-primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--space-sm);
}

.loading-content p {
  font-size: 18px;
  color: var(--text-secondary);
  margin-bottom: var(--space-lg);
}

.loading-spinner {
  width: 48px;
  height: 48px;
  border: 3px solid var(--bg-card-light);
  border-top-color: var(--gym-primary);
  border-radius: 50%;
  margin: 0 auto;
  animation: spin 1s linear infinite;
}

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

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.1); }
}

/* ==================
   MODE SELECTION
   ================== */

.mode-selection {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
  background: linear-gradient(135deg, #0A0A0F 0%, #12121A 50%, #0A0A0F 100%);
}

.mode-selection.hidden {
  display: none;
}

.mode-selection-content {
  max-width: 1200px;
  width: 100%;
}

.mode-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.mode-header .logo-icon {
  font-size: 64px;
  display: block;
  margin-bottom: var(--space-md);
}

.mode-header h1 {
  font-size: 48px;
  font-weight: 800;
  margin-bottom: var(--space-sm);
  background: linear-gradient(135deg, #fff 0%, #ccc 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.tagline {
  font-size: 20px;
  color: var(--text-secondary);
}

.mode-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.mode-card {
  background: var(--bg-card);
  border-radius: 20px;
  padding: var(--space-xl);
  cursor: pointer;
  transition: var(--transition);
  border: 2px solid transparent;
  position: relative;
  overflow: hidden;
}

.mode-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 0%, rgba(255,255,255,0.02) 100%);
  opacity: 0;
  transition: var(--transition);
}

.mode-card:hover::before {
  opacity: 1;
}

.mode-card[data-mode="gym"]:hover {
  border-color: var(--gym-primary);
  box-shadow: 0 0 40px rgba(0, 217, 165, 0.2);
}

.mode-card[data-mode="drive"]:hover {
  border-color: var(--drive-primary);
  box-shadow: 0 0 40px rgba(9, 132, 227, 0.2);
}

.mode-card[data-mode="life"]:hover {
  border-color: var(--life-primary);
  box-shadow: 0 0 40px rgba(108, 92, 231, 0.2);
}

.mode-icon {
  font-size: 56px;
  margin-bottom: var(--space-md);
}

.mode-card h2 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: var(--space-xs);
}

.mode-card[data-mode="gym"] h2 { color: var(--gym-primary); }
.mode-card[data-mode="drive"] h2 { color: var(--drive-primary); }
.mode-card[data-mode="life"] h2 { color: var(--life-primary); }

.mode-subtitle {
  color: var(--text-secondary);
  font-size: 14px;
  margin-bottom: var(--space-md);
}

.mode-features {
  list-style: none;
  margin-bottom: var(--space-md);
}

.mode-features li {
  padding: var(--space-xs) 0;
  color: var(--text-secondary);
  font-size: 14px;
}

.mode-example {
  background: var(--bg-card-light);
  border-radius: 12px;
  padding: var(--space-md);
  margin-top: var(--space-md);
}

.example-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  display: block;
  margin-bottom: var(--space-xs);
}

.example-text {
  font-family: 'SF Mono', monospace;
  font-size: 14px;
  font-weight: 600;
}

.mode-card[data-mode="gym"] .example-text { color: var(--gym-primary); }
.mode-card[data-mode="drive"] .example-text { color: var(--danger); }
.mode-card[data-mode="life"] .example-text { color: var(--life-primary); }

.mode-footer {
  text-align: center;
  color: var(--text-muted);
  font-size: 14px;
}

/* ==================
   MAIN APP
   ================== */

.app {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.app.hidden {
  display: none;
}

/* Header */
.header {
  background: rgba(18, 18, 26, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255,255,255,0.05);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--space-md) var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.back-button {
  background: var(--bg-card-light);
  border: none;
  color: var(--text-secondary);
  padding: var(--space-sm) var(--space-md);
  border-radius: 8px;
  cursor: pointer;
  font-size: 14px;
  transition: var(--transition-fast);
}

.back-button:hover {
  background: var(--bg-card);
  color: var(--text-primary);
}

.logo-section {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.logo-section .logo-icon {
  font-size: 32px;
}

.app-title {
  font-size: 24px;
  font-weight: 700;
}

.mode-badge {
  padding: var(--space-xs) var(--space-md);
  border-radius: 20px;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.mode-badge.gym { background: var(--gym-primary); color: #000; }
.mode-badge.drive { background: var(--drive-primary); color: #fff; }
.mode-badge.life { background: var(--life-primary); color: #fff; }

.voice-toggle {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--bg-card-light);
  border: none;
  font-size: 20px;
  cursor: pointer;
  transition: var(--transition-fast);
}

.voice-toggle.active {
  background: var(--gym-primary);
}

.voice-toggle:hover {
  transform: scale(1.1);
}

/* Main Content */
.main-content {
  flex: 1;
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
  padding: var(--space-lg);
  display: grid;
  grid-template-columns: 1fr 350px;
  gap: var(--space-lg);
}

/* Video Section */
.video-section {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.video-container {
  position: relative;
  background: #000;
  border-radius: 20px;
  overflow: hidden;
  aspect-ratio: 4/3;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}

.video-feed {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scaleX(-1); /* Mirror */
}

.overlay-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  transform: scaleX(-1); /* Mirror to match video */
}

/* Status Overlay */
.status-overlay {
  position: absolute;
  top: var(--space-lg);
  left: var(--space-lg);
  z-index: 10;
}

.status-indicator {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  background: rgba(0,0,0,0.8);
  backdrop-filter: blur(10px);
  border-radius: 12px;
  border-left: 4px solid;
  transition: var(--transition);
}

.status-indicator.good { border-color: var(--success); }
.status-indicator.warning { border-color: var(--warning); }
.status-indicator.danger { border-color: var(--danger); animation: shake 0.5s; }

.status-icon {
  font-size: 24px;
  font-weight: bold;
}

.status-indicator.good .status-icon { color: var(--success); }
.status-indicator.warning .status-icon { color: var(--warning); }
.status-indicator.danger .status-icon { color: var(--danger); }

.status-text {
  font-weight: 600;
  font-size: 16px;
}

/* Mode Overlay (stats on video) */
.mode-overlay {
  position: absolute;
  top: var(--space-lg);
  right: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  z-index: 10;
}

.overlay-stat {
  background: rgba(0,0,0,0.8);
  backdrop-filter: blur(10px);
  padding: var(--space-md);
  border-radius: 12px;
  text-align: center;
  min-width: 100px;
}

.overlay-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  display: block;
  margin-bottom: var(--space-xs);
}

.overlay-value {
  font-size: 24px;
  font-weight: 700;
}

.overlay-value.warning { color: var(--warning); }
.overlay-value.danger { color: var(--danger); }
.overlay-value.pulse { animation: pulse 0.5s infinite; }

/* Video Controls */
.video-controls {
  position: absolute;
  bottom: var(--space-lg);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: var(--space-md);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  border: none;
  border-radius: 12px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-fast);
}

.btn-large {
  padding: var(--space-lg) var(--space-2xl);
  font-size: 18px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--gym-primary), var(--gym-secondary));
  color: #000;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(0, 217, 165, 0.3);
}

.btn-danger {
  background: linear-gradient(135deg, var(--danger), #D63031);
  color: #fff;
}

.btn-danger:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(255, 71, 87, 0.3);
}

.btn-success {
  background: linear-gradient(135deg, var(--success), #00B894);
  color: #000;
}

.btn-warning {
  background: linear-gradient(135deg, var(--warning), #F39C12);
  color: #000;
}

.btn.hidden { display: none; }

.btn-icon {
  font-size: 20px;
}

/* Metrics Section */
.metrics-section {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.metrics-panel {
  background: var(--bg-card);
  border-radius: 20px;
  padding: var(--space-lg);
}

.panel-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: var(--space-lg);
  color: var(--text-secondary);
}

.mode-metrics.hidden {
  display: none;
}

.metric-card {
  background: var(--bg-card-light);
  border-radius: 12px;
  padding: var(--space-md);
  margin-bottom: var(--space-md);
}

.metric-card.highlight {
  background: linear-gradient(135deg, rgba(0,217,165,0.1) 0%, rgba(0,184,148,0.05) 100%);
  border: 1px solid rgba(0,217,165,0.2);
}

.metric-card.danger-zone {
  background: linear-gradient(135deg, rgba(255,71,87,0.1) 0%, rgba(214,48,49,0.05) 100%);
  border: 1px solid rgba(255,71,87,0.2);
}

.metric-card.warning-card {
  border-left: 3px solid var(--warning);
}

.metric-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  margin-bottom: var(--space-xs);
}

.metric-value {
  font-size: 32px;
  font-weight: 700;
  line-height: 1.2;
}

.metric-value.small {
  font-size: 24px;
}

.metric-value.text-good { color: var(--success); }
.metric-value.text-warning { color: var(--warning); }
.metric-value.text-danger { color: var(--danger); }
.metric-value.pulse { animation: pulse 0.5s infinite; }

.metric-status {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: var(--space-xs);
}

.metric-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.metric-card.half {
  text-align: center;
}

/* Metric Bar */
.metric-bar {
  height: 8px;
  background: var(--bg-dark);
  border-radius: 4px;
  margin-top: var(--space-sm);
  overflow: hidden;
}

.metric-bar-fill {
  height: 100%;
  border-radius: 4px;
  transition: width 0.3s, background-color 0.3s;
  background: var(--success);
}

.metric-bar-fill.good { background: var(--success) !important; }
.metric-bar-fill.warning { background: var(--warning) !important; }
.metric-bar-fill.danger { background: var(--danger) !important; }

/* Alertness bar - color changes based on level */
.metric-bar-fill.alertness-bar {
  transition: width 0.3s ease, background-color 0.3s ease;
}

.metric-bar-fill.alertness-bar.good {
  background: var(--success) !important;
}

.metric-bar-fill.alertness-bar.warning {
  background: var(--warning) !important;
}

.metric-bar-fill.alertness-bar.danger {
  background: var(--danger) !important;
}

/* Emergency Contacts */
.emergency-contacts {
  background: var(--bg-card-light);
  border-radius: 12px;
  padding: var(--space-md);
  margin-top: var(--space-md);
}

.contact-list {
  margin-top: var(--space-sm);
}

.contact {
  padding: var(--space-sm) 0;
  font-size: 14px;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--bg-dark);
}

.contact:last-child {
  border-bottom: none;
}

/* Tips Panel */
.tips-panel {
  background: var(--bg-card);
  border-radius: 16px;
  padding: var(--space-lg);
}

.tips-panel h4 {
  font-size: 14px;
  margin-bottom: var(--space-sm);
}

.tips-panel p {
  font-size: 14px;
  color: var(--text-secondary);
}

/* ==================
   ALERTS
   ================== */

.alerts-container {
  position: fixed;
  top: 80px;
  right: var(--space-lg);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  max-width: 400px;
}

.alert {
  background: var(--bg-card);
  border-radius: 12px;
  padding: var(--space-md);
  display: flex;
  align-items: center;
  gap: var(--space-md);
  border-left: 4px solid;
  animation: slideIn 0.3s;
  box-shadow: 0 10px 40px rgba(0,0,0,0.3);
}

.alert.info { border-color: var(--info); }
.alert.warning { border-color: var(--warning); }
.alert.danger { border-color: var(--danger); }
.alert.emergency { 
  border-color: var(--danger); 
  background: linear-gradient(135deg, rgba(255,71,87,0.2), rgba(214,48,49,0.1));
}

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

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

.alert-icon {
  font-size: 28px;
  flex-shrink: 0;
}

.alert-content {
  flex: 1;
}

.alert-title {
  font-weight: 600;
  font-size: 14px;
}

.alert-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 20px;
  cursor: pointer;
  padding: 0;
  width: 24px;
  height: 24px;
}

.alert-close:hover {
  color: var(--text-primary);
}

/* ==================
   VOICE INDICATOR
   ================== */

.voice-indicator {
  position: fixed;
  bottom: var(--space-lg);
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-card);
  padding: var(--space-md) var(--space-xl);
  border-radius: 30px;
  display: flex;
  align-items: center;
  gap: var(--space-md);
  box-shadow: 0 10px 40px rgba(0,0,0,0.3);
  z-index: 1000;
}

.voice-indicator.hidden {
  display: none;
}

.voice-pulse {
  width: 12px;
  height: 12px;
  background: var(--gym-primary);
  border-radius: 50%;
  animation: voicePulse 1s infinite;
}

@keyframes voicePulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.5); opacity: 0.5; }
}

#voice-text {
  font-size: 14px;
  max-width: 300px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ==================
   MODALS
   ================== */

.modal {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  padding: var(--space-lg);
}

.modal.hidden {
  display: none;
}

.modal-content {
  background: var(--bg-card);
  border-radius: 24px;
  padding: var(--space-2xl);
  max-width: 500px;
  width: 100%;
  text-align: center;
}

/* Emergency Modal */
.modal-content.emergency {
  border: 3px solid var(--danger);
  animation: emergencyPulse 1s infinite;
}

@keyframes emergencyPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(255, 71, 87, 0.5); }
  50% { box-shadow: 0 0 0 20px rgba(255, 71, 87, 0); }
}

.emergency-header {
  margin-bottom: var(--space-lg);
}

.emergency-icon {
  font-size: 80px;
  margin-bottom: var(--space-md);
}

.emergency-icon.pulse {
  animation: pulse 0.5s infinite;
}

.modal-content h2 {
  font-size: 32px;
  color: var(--danger);
  margin-bottom: var(--space-md);
}

.modal-content p {
  color: var(--text-secondary);
  margin-bottom: var(--space-lg);
}

.emergency-countdown {
  margin: var(--space-xl) 0;
}

.emergency-countdown span {
  display: block;
}

#countdown {
  font-size: 80px;
  font-weight: 700;
  color: var(--danger);
  line-height: 1;
}

.countdown-label {
  font-size: 18px;
  color: var(--text-secondary);
}

.emergency-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

/* Drowsy Modal */
.modal-content.drowsy {
  background: var(--danger);
  color: white;
  animation: strobeAlert 0.3s infinite;
}

@keyframes strobeAlert {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.8; }
}

.drowsy-alert {
  position: relative;
}

.alert-strobe {
  position: absolute;
  inset: -20px;
  background: white;
  opacity: 0;
  animation: strobe 0.5s infinite;
  pointer-events: none;
}

@keyframes strobe {
  0%, 100% { opacity: 0; }
  50% { opacity: 0.1; }
}

.drowsy-icon {
  font-size: 80px;
  margin-bottom: var(--space-md);
}

.modal-content.drowsy h2 {
  color: white;
  font-size: 48px;
}

.modal-content.drowsy p {
  color: rgba(255,255,255,0.9);
  font-size: 24px;
}

.modal-content.drowsy h3 {
  font-size: 28px;
  margin: var(--space-lg) 0;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-10px); }
  75% { transform: translateX(10px); }
}

/* ==================
   LIFE MODE - SENSOR DISPLAY
   ================== */

.sensor-mode-display {
  background: linear-gradient(135deg, var(--bg-card) 0%, var(--bg-card-light) 100%);
  border-radius: 20px;
  padding: var(--space-2xl);
  text-align: center;
  min-height: 400px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: var(--space-lg);
}

.sensor-mode-icon {
  font-size: 80px;
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-15px); }
}

.sensor-mode-display h2 {
  font-size: 28px;
  color: var(--life-primary);
}

.sensor-mode-display p {
  color: var(--text-secondary);
  font-size: 16px;
}

.sensor-status-display {
  margin: var(--space-lg) 0;
}

.sensor-status-indicator {
  display: inline-flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-xl);
  background: var(--bg-dark);
  border-radius: 30px;
  font-weight: 600;
  color: var(--text-muted);
}

.sensor-status-indicator.active {
  color: var(--success);
  background: rgba(0, 217, 165, 0.1);
}

.pulse-ring {
  width: 16px;
  height: 16px;
  background: var(--text-muted);
  border-radius: 50%;
  position: relative;
}

.sensor-status-indicator.active .pulse-ring {
  background: var(--success);
  animation: pulsing 2s infinite;
}

@keyframes pulsing {
  0% { box-shadow: 0 0 0 0 rgba(0, 217, 165, 0.5); }
  70% { box-shadow: 0 0 0 15px rgba(0, 217, 165, 0); }
  100% { box-shadow: 0 0 0 0 rgba(0, 217, 165, 0); }
}

.sensor-instructions {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  text-align: left;
  margin: var(--space-lg) 0;
}

.instruction-step {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  color: var(--text-secondary);
}

.step-number {
  width: 28px;
  height: 28px;
  background: var(--life-primary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 14px;
}

.sensor-controls {
  margin-top: var(--space-lg);
  display: flex;
  gap: var(--space-md);
}

/* Sensor info card in metrics */
.sensor-info-card {
  background: linear-gradient(135deg, rgba(108, 92, 231, 0.1) 0%, rgba(162, 155, 254, 0.05) 100%);
  border: 1px solid rgba(108, 92, 231, 0.2);
  border-radius: 12px;
  padding: var(--space-md);
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.sensor-info-icon {
  font-size: 32px;
}

.sensor-info-text strong {
  display: block;
  color: var(--life-primary);
  font-size: 14px;
}

.sensor-info-text p {
  font-size: 12px;
  color: var(--text-muted);
  margin: 0;
}

/* Life mode highlight */
.metric-card.life-highlight {
  background: linear-gradient(135deg, rgba(108, 92, 231, 0.1) 0%, rgba(162, 155, 254, 0.05) 100%);
  border: 1px solid rgba(108, 92, 231, 0.2);
}

/* Test fall button */
.btn-test {
  margin-top: var(--space-md);
  width: 100%;
  background: linear-gradient(135deg, #FF6B6B 0%, #EE5A5A 100%);
}

.btn-test:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(255, 107, 107, 0.3);
}

/* Mode note */
.mode-note {
  margin-top: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  background: rgba(108, 92, 231, 0.1);
  border-radius: 8px;
}

.mode-note small {
  color: var(--life-secondary);
  font-size: 12px;
}

/* ==================
   RESPONSIVE
   ================== */

@media (max-width: 1024px) {
  .main-content {
    grid-template-columns: 1fr;
  }
  
  .mode-cards {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .header-content {
    flex-wrap: wrap;
    gap: var(--space-md);
  }
  
  .logo-section {
    order: 1;
    flex: 1;
  }
  
  .back-button {
    order: 0;
  }
  
  .header-actions {
    order: 2;
  }
  
  .video-container {
    aspect-ratio: 3/4;
  }
  
  .mode-header h1 {
    font-size: 36px;
  }
  
  .alerts-container {
    left: var(--space-md);
    right: var(--space-md);
    max-width: none;
  }
  
  .modal-content {
    padding: var(--space-xl);
  }
  
  #countdown {
    font-size: 60px;
  }
}

@media (max-width: 480px) {
  .main-content {
    padding: var(--space-md);
  }
  
  .metric-value {
    font-size: 24px;
  }
  
  .btn-large {
    padding: var(--space-md) var(--space-lg);
    font-size: 16px;
  }
}