/* NYC Commute Dashboard - v5.0 */
/* Design System following MengTo's principles */

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

:root {
  /* Color System */
  --bg-dark: #0a0f18;
  --bg-card: rgba(15, 23, 36, 0.85);
  --bg-card-hover: rgba(20, 30, 45, 0.9);
  --bg-elevated: rgba(25, 35, 50, 0.6);
  
  /* Line Colors */
  --l-color: #8b9ba8;
  --g-color: #5cb03d;
  --l-glow: rgba(139, 155, 168, 0.2);
  --g-glow: rgba(92, 176, 61, 0.2);
  
  /* Text */
  --text-primary: #f0f4f8;
  --text-secondary: #7a8899;
  --text-muted: #4a5568;
  
  /* Accents */
  --border-color: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(255, 255, 255, 0.12);
  --accent-blue: rgba(56, 139, 253, 0.15);
  --accent-green: rgba(46, 160, 67, 0.2);
  
  /* Alerts */
  --alert-bg: rgba(218, 54, 51, 0.08);
  --alert-border: rgba(218, 54, 51, 0.5);
  --alert-text: #f85149;
  
  /* Spacing (8px grid) */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  
  /* Animation */
  --ease-out: cubic-bezier(0.4, 0, 0.2, 1);
  --duration-fast: 150ms;
  --duration-normal: 300ms;
  --duration-slow: 400ms;
}

/* Background Grid Pattern */
.bg-grid {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    linear-gradient(135deg, #0a0f18 0%, #0f1724 50%, #121a2d 100%);
  z-index: -2;
}

.bg-grid::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 32px 32px;
  z-index: -1;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.5;
}

.container {
  max-width: 500px;
  margin: 0 auto;
  padding: var(--space-md);
}

/* Header */
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-md) 0;
  margin-bottom: var(--space-md);
}

.header-left {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.logo {
  font-size: 1.5rem;
  color: var(--g-color);
  text-shadow: 0 0 20px var(--g-glow);
}

header h1 {
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.status {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--g-color);
  box-shadow: 0 0 8px var(--g-glow);
  animation: pulse 2s var(--ease-out) infinite;
}

.dot.error {
  background: var(--alert-text);
  box-shadow: 0 0 8px var(--alert-border);
  animation: none;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.95); }
}

/* Cards - Enhanced Glassmorphism */
.card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  margin-bottom: var(--space-md);
  overflow: hidden;
  position: relative;
  transition: 
    transform var(--duration-normal) var(--ease-out),
    border-color var(--duration-normal) var(--ease-out),
    box-shadow var(--duration-normal) var(--ease-out);
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, 
    transparent 0%, 
    rgba(255,255,255,0.1) 50%, 
    transparent 100%);
}

.card:hover {
  transform: translateY(-2px);
  border-color: var(--border-glow);
  box-shadow: 
    0 8px 32px rgba(0, 0, 0, 0.3),
    0 0 0 1px rgba(255, 255, 255, 0.05) inset;
}

/* Entrance Animations */
.card[data-animate] {
  opacity: 0;
  transform: translateY(20px);
}

.card.animate-in {
  animation: slideUp var(--duration-slow) var(--ease-out) forwards;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Weather */
.weather {
  padding: var(--space-lg);
}

.weather-header {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 1px;
  color: var(--text-muted);
  margin-bottom: var(--space-md);
  text-transform: uppercase;
}

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

.weather-icon {
  font-size: 2.5rem;
  filter: drop-shadow(0 4px 8px rgba(0,0,0,0.2));
}

.weather-details {
  flex: 1;
}

.weather-temp {
  font-size: 2rem;
  font-weight: 600;
  letter-spacing: -1px;
}

.weather-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-top: 2px;
}

.weather-extra {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: var(--space-xs);
}

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

.outfit-section {
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--border-color);
}

.outfit-header {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 1px;
  color: var(--text-muted);
  margin-bottom: var(--space-sm);
  text-transform: uppercase;
}

.outfit-row {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
  font-size: 0.85rem;
}

.outfit-row:last-child {
  margin-bottom: 0;
}

.outfit-label {
  color: var(--text-muted);
  font-weight: 500;
  white-space: nowrap;
  min-width: 65px;
}

.outfit-text {
  color: var(--text-secondary);
  line-height: 1.4;
}

/* Commute Sections */
.commute {
  padding: var(--space-lg);
}

.commute-header {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.line-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  font-weight: 700;
  font-size: 1.1rem;
  color: white;
  transition: box-shadow var(--duration-normal) var(--ease-out);
}

.line-badge.l { 
  background: var(--l-color); 
  box-shadow: 0 4px 12px var(--l-glow);
}

.line-badge.g { 
  background: var(--g-color); 
  box-shadow: 0 4px 12px var(--g-glow);
}

.card:hover .line-badge.l {
  box-shadow: 0 4px 20px var(--l-glow), 0 0 30px var(--l-glow);
}

.card:hover .line-badge.g {
  box-shadow: 0 4px 20px var(--g-glow), 0 0 30px var(--g-glow);
}

.commute-title {
  font-weight: 600;
  font-size: 1.2rem;
  letter-spacing: -0.3px;
}

.commute-routes {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.route-group {
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--border-color);
}

.route-group:last-child {
  padding-bottom: 0;
  border-bottom: none;
}

.route-label {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: var(--space-sm);
}

.direction-arrow {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.route-destination {
  font-weight: 500;
  color: var(--text-secondary);
}

.train-times {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.train-time {
  background: var(--bg-elevated);
  padding: var(--space-sm) var(--space-md);
  border-radius: 12px;
  font-size: 1rem;
  font-weight: 600;
  white-space: nowrap;
  border: 1px solid var(--border-color);
  transition: 
    background var(--duration-fast) var(--ease-out),
    border-color var(--duration-fast) var(--ease-out),
    transform var(--duration-fast) var(--ease-out);
}

.train-time:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-glow);
  transform: translateY(-1px);
}

.train-time.arriving {
  background: var(--accent-green);
  border-color: rgba(46, 160, 67, 0.4);
  animation: arriving 1.5s var(--ease-out) infinite;
}

@keyframes arriving {
  0%, 100% { 
    opacity: 1; 
    box-shadow: 0 0 0 0 rgba(46, 160, 67, 0.4);
  }
  50% { 
    opacity: 0.85; 
    box-shadow: 0 0 12px 2px rgba(46, 160, 67, 0.2);
  }
}

.train-time .min {
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-left: 3px;
}

.no-trains {
  color: var(--text-muted);
  font-style: italic;
  font-size: 0.85rem;
}

/* Train time entrance animation */
.train-time {
  opacity: 0;
  animation: fadeInTime 0.3s var(--ease-out) forwards;
}

.train-time:nth-child(1) { animation-delay: 0ms; }
.train-time:nth-child(2) { animation-delay: 50ms; }
.train-time:nth-child(3) { animation-delay: 100ms; }
.train-time:nth-child(4) { animation-delay: 150ms; }
.train-time:nth-child(5) { animation-delay: 200ms; }

@keyframes fadeInTime {
  from { opacity: 0; transform: scale(0.9); }
  to { opacity: 1; transform: scale(1); }
}

/* Alerts */
.alerts {
  background: var(--alert-bg);
  border-color: var(--alert-border);
  padding: var(--space-lg);
}

.alerts-header {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 1px;
  color: var(--alert-text);
  margin-bottom: var(--space-md);
  text-transform: uppercase;
}

.alert-item {
  padding: var(--space-md) 0;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.alert-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.alert-routes {
  display: flex;
  gap: var(--space-xs);
  margin-bottom: var(--space-sm);
}

.alert-route {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  font-size: 0.7rem;
  font-weight: 700;
  color: white;
}

.alert-route.l { background: var(--l-color); }
.alert-route.g { background: var(--g-color); }

.alert-header {
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: var(--space-xs);
  color: var(--text-primary);
}

.alert-desc {
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* Footer */
footer {
  text-align: center;
  padding: var(--space-lg) 0;
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 0.5px;
}

/* Loading state */
.loading {
  color: var(--text-muted);
  font-size: 0.85rem;
  padding: var(--space-sm) 0;
}

/* Responsive */
@media (min-width: 640px) {
  .container {
    padding: var(--space-xl);
  }
  
  header h1 {
    font-size: 1.75rem;
  }
  
  .commute-title {
    font-size: 1.3rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}