* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #050816;
  color: #f9fafb;
}

a {
  color: #38bdf8;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* Header */

.header {
  border-bottom: 1px solid rgba(148, 163, 184, 0.3);
  backdrop-filter: blur(16px);
  background: linear-gradient(to right, rgba(15,23,42,0.9), rgba(15,23,42,0.6));
}

.header-inner {
  max-width: 960px;
  margin: 0 auto;
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo-mark {
  font-size: 1.5rem;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.logo-title {
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-size: 0.85rem;
}

.logo-subtitle {
  font-size: 0.8rem;
  color: #9ca3af;
}

.nav {
  display: flex;
  gap: 0.25rem;
  align-items: center;
  font-size: 0.85rem;
}

.nav-disabled {
  color: #6b7280;
}

.nav-separator {
  color: #4b5563;
}

/* Main */

.main {
  max-width: 960px;
  margin: 0 auto;
  padding: 1.5rem 1rem 2rem;
}

.hero h1 {
  font-size: 1.8rem;
  margin-bottom: 0.25rem;
}

.hero-subtitle {
  margin-top: 0;
  margin-bottom: 1rem;
  color: #9ca3af;
  font-size: 0.95rem;
}

/* Cards */

.card {
  border-radius: 1rem;
  padding: 1rem 1.25rem;
  background: radial-gradient(circle at top left, #1f2937, #020617);
  border: 1px solid rgba(148, 163, 184, 0.3);
  box-shadow: 0 18px 38px rgba(15, 23, 42, 0.7);
}

.card-today {
  margin-top: 0.5rem;
}

.card.loading {
  text-align: center;
  color: #9ca3af;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}

.card-tag {
  font-size: 0.8rem;
  padding: 0.2rem 0.5rem;
  border-radius: 999px;
  background: rgba(56, 189, 248, 0.1);
  color: #38bdf8;
}

.card-route {
  font-size: 1.1rem;
  font-weight: 600;
}

.card-airline {
  font-size: 0.8rem;
  color: #9ca3af;
}

.card-body {
  font-size: 0.9rem;
  color: #e5e7eb;
}

.card-line {
  margin: 0.25rem 0;
}

.card-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 0.5rem;
  font-size: 0.85rem;
  color: #cbd5f5;
}

.card-metrics span {
  opacity: 0.9;
}

/* Botones */

.card-actions {
  margin-top: 0.75rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.45rem 0.85rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 0.85rem;
  cursor: pointer;
  background: #38bdf8;
  color: #020617;
  font-weight: 500;
}

.btn-secondary {
  background: transparent;
  color: #e5e7eb;
  border-color: rgba(148, 163, 184, 0.5);
}

.btn:hover {
  filter: brightness(1.08);
}

/* Grid de recientes */

.section-latest {
  margin-top: 2rem;
}

.section-latest h2 {
  font-size: 1.2rem;
  margin-bottom: 0.75rem;
}

.grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
}

@media (min-width: 640px) {
  .grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* Footer */

.footer {
  border-top: 1px solid rgba(148, 163, 184, 0.2);
  padding: 1rem;
  text-align: center;
  font-size: 0.8rem;
  color: #9ca3af;
}