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

:root {
  --bg-dark: #0a0e17;
  --card-bg: rgba(18, 26, 43, 0.75);
  --accent-glow: #6366f1;
  --text-primary: #f8fafc;
  --text-muted: #94a3b8;
  --border-color: rgba(255, 255, 255, 0.08);

  /* SCR Service Theme Colors */
  --color-connect: #22c55e;
  --color-express: #ef4444;
  --color-airlink: #3b82f6;
  --color-waterline: #06b6d4;
  --color-metro: #a855f7;
}

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

body {
  background-color: var(--bg-dark);
  background-image:
    radial-gradient(at 0% 0%, rgba(99, 102, 241, 0.15) 0px, transparent 50%),
    radial-gradient(at 100% 100%, rgba(168, 85, 247, 0.12) 0px, transparent 50%);
  color: var(--text-primary);
  font-family: 'Plus Jakarta Sans', sans-serif;
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 20px;
}

.app-card {
  background: var(--card-bg);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: 24px;
  width: 100%;
  max-width: 680px;
  padding: 36px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
}

.header {
  text-align: center;
  margin-bottom: 28px;
}

.header h1 {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, #ffffff 0%, #cbd5e1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 6px;
}

.header p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.section-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.filter-group {
  margin-bottom: 24px;
}

.pills-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.pill-check {
  display: none;
}

.pill-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  user-select: none;
}

.pill-btn:hover {
  background: rgba(255, 255, 255, 0.07);
  color: var(--text-primary);
}

.pill-check:checked + .pill-btn {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.2);
}

.pill-check[value="Connect Service"]:checked + .pill-btn { background: rgba(34, 197, 94, 0.2); border-color: var(--color-connect); }
.pill-check[value="Express Service"]:checked + .pill-btn { background: rgba(239, 68, 68, 0.2); border-color: var(--color-express); }
.pill-check[value="Airlink Service"]:checked + .pill-btn { background: rgba(59, 130, 246, 0.2); border-color: var(--color-airlink); }
.pill-check[value="Waterline Service"]:checked + .pill-btn { background: rgba(6, 182, 212, 0.2); border-color: var(--color-waterline); }
.pill-check[value="Metro Service"]:checked + .pill-btn { background: rgba(168, 85, 247, 0.2); border-color: var(--color-metro); }

.radio-check:checked + .pill-btn {
  background: var(--accent-glow);
  color: #fff;
  border-color: var(--accent-glow);
}

.display-panel {
  background: rgba(10, 14, 23, 0.6);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 24px;
  min-height: 90px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  margin: 28px 0;
}

.route-code {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 1px;
  margin-bottom: 4px;
}

.route-main {
  font-size: 1.25rem;
  font-weight: 700;
  color: #fff;
}

.route-meta {
  margin-top: 8px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.05);
}

.btn-primary {
  width: 100%;
  padding: 16px;
  border: none;
  border-radius: 14px;
  background: linear-gradient(135deg, #6366f1 0%, #4f46e5 100%);
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  cursor: pointer;
  box-shadow: 0 10px 25px rgba(99, 102, 241, 0.35);
  transition: all 0.2s ease;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(99, 102, 241, 0.45);
}

.btn-primary:active {
  transform: translateY(0);
}

.footer {
  margin-top: 28px;
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.footer a {
  color: #818cf8;
  text-decoration: none;
}

.footer a:hover {
  text-decoration: underline;
}

.version-badges {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 12px;
  font-size: 0.72rem;
  opacity: 0.6;
}

.warning-text {
  color: #f87171;
  font-weight: 600;
}