/* ══════════════════════════════════════════════════════════════
   AeroTrack — Global Design Tokens & Utility Classes
   ══════════════════════════════════════════════════════════════ */

*, *::before, *::after { box-sizing: border-box; }

body {
  background-color: #0a0d14;
  color: #cbd5e1;
  font-family: 'Inter', system-ui, sans-serif;
}

/* ── Scrollbars ── */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #21283a; border-radius: 99px; }
::-webkit-scrollbar-thumb:hover { background: #2d3a52; }

/* ── Glass Card ── */
.glass-card {
  background: rgba(13, 17, 23, 0.7);
  border: 1px solid rgba(33, 40, 58, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.glass-card:hover {
  border-color: rgba(45, 58, 82, 0.9);
}

/* ── Route Card ── */
.route-card {
  background: rgba(13, 17, 23, 0.7);
  border: 1px solid rgba(33, 40, 58, 0.8);
  border-radius: 16px;
  padding: 20px;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(12px);
}

.route-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--card-accent, #3b82f6), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.route-card:hover {
  transform: translateY(-2px);
  border-color: rgba(59, 130, 246, 0.3);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(59, 130, 246, 0.1);
}

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

/* ── Primary Button ── */
.btn-primary {
  background: linear-gradient(135deg, #2563eb, #3b82f6);
  color: #fff;
  border: 1px solid rgba(59, 130, 246, 0.4);
  transition: all 0.2s ease;
  box-shadow: 0 0 0 0 rgba(59, 130, 246, 0);
}
.btn-primary:hover {
  background: linear-gradient(135deg, #1d4ed8, #2563eb);
  box-shadow: 0 0 20px rgba(59, 130, 246, 0.3);
}
.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ── Ghost Button ── */
.btn-ghost {
  background: rgba(33, 40, 58, 0.6);
  border: 1px solid rgba(33, 40, 58, 0.8);
  color: #94a3b8;
  transition: all 0.2s ease;
}
.btn-ghost:hover:not(:disabled) {
  background: rgba(45, 58, 82, 0.6);
  color: #e2e8f0;
}

/* ── Tab pills ── */
.tab-pill {
  color: #64748b;
  transition: all 0.2s ease;
  font-size: 12px;
}
.tab-pill:hover { color: #e2e8f0; }
.tab-pill.active {
  background: rgba(59, 130, 246, 0.15);
  color: #60a5fa;
  border: 1px solid rgba(59, 130, 246, 0.25);
}

/* ── Range buttons ── */
.range-btn { transition: all 0.15s ease; font-size: 11px; font-weight: 500; }
.range-btn.active { background: #1d4ed8; color: #fff; }
.range-btn:not(.active):hover { color: #e2e8f0; }

/* ── Select fields ── */
.select-field {
  background: rgba(13, 17, 23, 0.8);
  border: 1px solid rgba(33, 40, 58, 0.8);
  color: #cbd5e1;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2364748b' stroke-width='2'%3E%3Cpath d='M19 9l-7 7-7-7' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 8px center;
  background-size: 14px;
  padding-right: 28px;
  transition: border-color 0.2s;
}
.select-field:focus {
  outline: none;
  border-color: rgba(59, 130, 246, 0.5);
}
.select-field option { background: #0d1117; }

/* ── Airline badges ── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: 9999px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.02em;
}
.badge-indigo  { background: rgba(99, 102, 241, 0.12); color: #818cf8; border: 1px solid rgba(99, 102, 241, 0.25); }
.badge-air     { background: rgba(239, 68, 68, 0.12);  color: #fca5a5; border: 1px solid rgba(239, 68, 68, 0.25); }
.badge-akasa   { background: rgba(249, 115, 22, 0.12); color: #fdba74; border: 1px solid rgba(249, 115, 22, 0.25); }
.badge-spice   { background: rgba(220, 38, 38, 0.12);  color: #fca5a5; border: 1px solid rgba(220, 38, 38, 0.25); }
.badge-vistara { background: rgba(139, 92, 246, 0.12); color: #c4b5fd; border: 1px solid rgba(139, 92, 246, 0.25); }
.badge-default { background: rgba(100, 116, 139, 0.12); color: #94a3b8; border: 1px solid rgba(100, 116, 139, 0.25); }

/* ── Price change chips ── */
.chip-drop { background: rgba(16, 185, 129, 0.1); color: #34d399; border: 1px solid rgba(16, 185, 129, 0.2); border-radius: 9999px; padding: 2px 8px; font-size: 11px; font-weight: 600; }
.chip-rise { background: rgba(239, 68, 68, 0.1); color: #f87171; border: 1px solid rgba(239, 68, 68, 0.2); border-radius: 9999px; padding: 2px 8px; font-size: 11px; font-weight: 600; }
.chip-flat { background: rgba(100, 116, 139, 0.1); color: #94a3b8; border: 1px solid rgba(100, 116, 139, 0.2); border-radius: 9999px; padding: 2px 8px; font-size: 11px; font-weight: 600; }

/* ── Hero stat cards ── */
.stat-card {
  background: rgba(13, 17, 23, 0.7);
  border: 1px solid rgba(33, 40, 58, 0.8);
  border-radius: 14px;
  padding: 16px 20px;
  backdrop-filter: blur(12px);
}

/* ── Shimmer loading ── */
.shimmer {
  background: linear-gradient(90deg, #161b27 25%, #1c2333 50%, #161b27 75%);
  background-size: 200% 100%;
  animation: shimmer 1.6s linear infinite;
  border-radius: 8px;
}

/* ── Divider line ── */
.divider { border-color: rgba(33, 40, 58, 0.6); }

/* ── Flight option row in modal ── */
.flight-option {
  border: 1px solid rgba(33, 40, 58, 0.8);
  border-radius: 12px;
  padding: 12px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  transition: border-color 0.2s;
}
.flight-option:hover { border-color: rgba(59, 130, 246, 0.3); }
.flight-option.cheapest {
  background: rgba(59, 130, 246, 0.06);
  border-color: rgba(59, 130, 246, 0.3);
}

/* ── Toast ── */
.toast-show { animation: toastIn 0.3s ease forwards; }
.toast-hide { animation: toastOut 0.3s ease forwards; }

@keyframes toastIn  { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }
@keyframes toastOut { from { opacity: 1; transform: translateY(0); } to { opacity: 0; transform: translateY(12px); } }

/* ── Spinning icon ── */
.spin { animation: spin 0.8s linear infinite; }
@keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }

/* ── Hover table row ── */
tbody tr:hover { background: rgba(33, 40, 58, 0.3); }

/* ── Chart tooltips override ── */
.chartjs-tooltip {
  border-radius: 10px !important;
  border: 1px solid rgba(33, 40, 58, 0.8) !important;
}