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

:root {
  --app-bg: #f8fafc;
  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(255, 255, 255, 0.5);
  --accent: #0ea5e9;
}

body {
  font-family: 'Outfit', sans-serif;
  background-color: var(--app-bg);
  background-image: 
    radial-gradient(at 0% 0%, hsla(199, 100%, 94%, 1) 0px, transparent 50%),
    radial-gradient(at 100% 0%, hsla(210, 100%, 96%, 1) 0px, transparent 50%),
    radial-gradient(at 100% 100%, hsla(160, 100%, 96%, 1) 0px, transparent 50%);
  background-attachment: fixed;
}

.font-display {
  font-family: 'Plus Jakarta Sans', sans-serif;
}

/* Glassmorphism Cards */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.03);
}

/* Premium Dark Card */
.premium-dark-card {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  box-shadow: 0 20px 40px -10px rgba(15, 23, 42, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.1);
  position: relative;
}

.premium-dark-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
}

/* Subway Timeline */
.timeline-container {
  position: relative;
  padding-left: 2.5rem;
}

.timeline-container::before {
  content: '';
  position: absolute;
  left: 11px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  background: #e2e8f0;
  border-radius: 2px;
}

.timeline-item {
  position: relative;
  margin-bottom: 2rem;
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-dot {
  position: absolute;
  left: -2.5rem;
  top: 0.5rem;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: white;
  border: 4px solid #cbd5e1;
  box-shadow: 0 0 0 4px white;
  z-index: 10;
  transition: all 0.3s ease;
}

.timeline-item:hover .timeline-dot {
  border-color: var(--accent);
  transform: scale(1.1);
}

.timeline-dot.active {
  border-color: #10b981;
  box-shadow: 0 0 0 4px white, 0 0 12px rgba(16, 185, 129, 0.4);
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
  background: #94a3b8;
}

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

.animate-slide-up {
  animation: slideUp 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}