/* ==========================================================
   ITC Transportation Company — Design System
   ========================================================== */

:root {
  --blue-primary: #0B3D91;
  --blue-accent: #1E88E5;
  --navy-dark: #0A1E3F;
  --white: #FFFFFF;
  --off-white: #F5F7FA;
  --amber: #F4A300;
  --text-body: #2C3440;
  --text-muted: #6B7686;
  --border-light: #E2E7EF;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text-body);
  line-height: 1.55;
  background: var(--white);
}

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 20px;
}

h1, h2, h3, h4 {
  color: var(--navy-dark);
  font-weight: 700;
  line-height: 1.2;
  margin: 0 0 0.5em;
}

a { color: var(--blue-accent); text-decoration: none; }
a:hover { text-decoration: underline; }

img { max-width: 100%; display: block; }

/* ---------- Header / Nav ---------- */

.site-header {
  border-bottom: 1px solid var(--border-light);
  position: sticky;
  top: 0;
  background: var(--white);
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  padding-bottom: 14px;
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.brand-mark {
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--blue-primary);
  letter-spacing: 0.5px;
}

.brand-name {
  font-weight: 600;
  color: var(--navy-dark);
  font-size: 0.95rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 24px;
}

.site-nav a {
  color: var(--text-body);
  font-weight: 500;
  font-size: 0.95rem;
}

.site-nav a.active { color: var(--blue-primary); font-weight: 700; }

.nav-cta {
  background: var(--blue-primary);
  color: var(--white) !important;
  padding: 8px 18px;
  border-radius: 4px;
  text-decoration: none !important;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--navy-dark);
}

/* ---------- Buttons ---------- */

.btn-primary {
  background: var(--amber);
  color: var(--navy-dark);
  border: none;
  padding: 14px 28px;
  font-size: 1rem;
  font-weight: 700;
  border-radius: 4px;
  cursor: pointer;
}

.btn-primary:hover { background: #e09400; text-decoration: none; }

.btn-outline {
  display: inline-block;
  border: 1.5px solid var(--blue-primary);
  color: var(--blue-primary);
  padding: 9px 20px;
  border-radius: 4px;
  font-weight: 600;
  font-size: 0.9rem;
}

.btn-outline:hover {
  background: var(--blue-primary);
  color: var(--white);
  text-decoration: none;
}

.text-link { font-weight: 600; }

/* ---------- Hero ---------- */

.hero {
  background: linear-gradient(180deg, var(--off-white) 0%, var(--white) 100%);
  padding: 56px 0 64px;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

.hero h1 {
  font-size: 2.6rem;
  max-width: 12ch;
}

.hero-sub {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 46ch;
  margin-bottom: 28px;
}

.hero-graphic svg { width: 100%; height: auto; }

/* Search widget */

.search-widget {
  background: var(--white);
  border: 1px solid var(--border-light);
  border-top: 4px solid var(--blue-primary);
  border-radius: 6px;
  padding: 20px;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr auto;
  gap: 14px;
  align-items: end;
  box-shadow: 0 8px 24px rgba(10, 30, 63, 0.08);
}

.search-field { display: flex; flex-direction: column; gap: 6px; }

.search-field label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
}

.search-field select,
.search-field input {
  padding: 10px 12px;
  border: 1px solid var(--border-light);
  border-radius: 4px;
  font-size: 0.95rem;
  font-family: inherit;
  color: var(--text-body);
  background: var(--white);
}

/* ---------- Sections ---------- */

.section { padding: 64px 0; }

.section-heading {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 32px;
}

/* Popular routes */

.route-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.route-card {
  border: 1px solid var(--border-light);
  border-radius: 6px;
  padding: 20px;
}

.route-cities {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  color: var(--navy-dark);
  margin-bottom: 14px;
}

.route-line {
  flex: 1;
  height: 1px;
  background: var(--border-light);
  position: relative;
}

.route-line::after {
  content: '';
  position: absolute;
  right: 0;
  top: -3px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--blue-accent);
}

.route-meta {
  display: flex;
  justify-content: space-between;
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 16px;
}

.route-fare { color: var(--blue-primary); font-weight: 700; }

/* Trust section */

.trust-section { background: var(--off-white); }

.trust-inner {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 48px;
  align-items: center;
}

.trust-stat {
  display: flex;
  flex-direction: column;
  gap: 8px;
  border-right: 1px solid var(--border-light);
  padding-right: 32px;
}

.stat-number {
  font-size: 3.4rem;
  font-weight: 800;
  color: var(--blue-primary);
  line-height: 1;
}

.stat-label { color: var(--text-muted); }

.trust-points {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.trust-point {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.trust-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--amber);
  margin-top: 8px;
  flex-shrink: 0;
}

.trust-point p { margin: 0; color: var(--text-body); }

/* ---------- Footer ---------- */

.site-footer {
  background: var(--navy-dark);
  color: #C7D0DE;
  padding-top: 48px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 32px;
  padding-bottom: 32px;
}

.brand-footer .brand-mark { color: var(--white); }
.brand-footer .brand-name { color: #C7D0DE; }

.footer-tagline { color: #8FA0BD; margin-top: 12px; font-size: 0.9rem; }

.site-footer h4 {
  color: var(--white);
  font-size: 0.95rem;
  margin-bottom: 14px;
}

.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: 8px; font-size: 0.9rem; }
.site-footer a { color: #C7D0DE; }
.site-footer a:hover { color: var(--white); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 18px 0;
}

.footer-bottom .container {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 0.82rem;
  color: #8FA0BD;
}

/* ---------- Responsive ---------- */

@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-graphic { order: -1; max-width: 260px; margin: 0 auto; }
  .route-grid { grid-template-columns: repeat(2, 1fr); }
  .trust-inner { grid-template-columns: 1fr; }
  .trust-stat { border-right: none; border-bottom: 1px solid var(--border-light); padding-right: 0; padding-bottom: 24px; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}

/* ---------- Auth pages ---------- */

.auth-section { padding: 56px 0; }

.auth-container { display: flex; justify-content: center; }

.auth-card {
  width: 100%;
  max-width: 420px;
  border: 1px solid var(--border-light);
  border-top: 4px solid var(--blue-primary);
  border-radius: 6px;
  padding: 32px 28px;
}

.auth-sub { color: var(--text-muted); margin-bottom: 24px; font-size: 0.92rem; }

.auth-form { display: flex; flex-direction: column; gap: 6px; }

.auth-form label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-top: 12px;
}

.auth-form input {
  padding: 11px 12px;
  border: 1px solid var(--border-light);
  border-radius: 4px;
  font-size: 0.95rem;
  font-family: inherit;
}

.btn-block { width: 100%; margin-top: 22px; }

.auth-switch {
  text-align: center;
  margin-top: 20px;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.alert {
  padding: 12px 14px;
  border-radius: 4px;
  font-size: 0.88rem;
  margin-bottom: 18px;
}

.alert-error { background: #FDECEC; color: #A3241F; border: 1px solid #F5C6C4; }
.alert-success { background: #E8F5E9; color: #1E6B24; border: 1px solid #C3E6C5; }
.alert ul { margin: 0; padding-left: 18px; }

/* ---------- Routes / schedule list page ---------- */

.search-widget-inline { margin-bottom: 40px; }

.schedule-list { display: flex; flex-direction: column; gap: 14px; }

.schedule-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  border: 1px solid var(--border-light);
  border-radius: 6px;
  padding: 20px;
}

.schedule-cities {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  color: var(--navy-dark);
  font-size: 1.05rem;
  margin-bottom: 8px;
}

.schedule-cities .route-line { width: 40px; flex: none; }

.schedule-details {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  color: var(--text-muted);
  font-size: 0.88rem;
}

.schedule-action {
  display: flex;
  align-items: center;
  gap: 16px;
}

.schedule-fare { font-weight: 700; color: var(--blue-primary); font-size: 1.05rem; }

.badge-full {
  color: var(--text-muted);
  font-size: 0.85rem;
  font-style: italic;
}

.empty-state {
  text-align: center;
  padding: 48px 20px;
  color: var(--text-muted);
}

.empty-state p { margin-bottom: 18px; }

@media (max-width: 640px) {
  .nav-toggle { display: flex; }
  .site-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    align-items: flex-start;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-light);
    gap: 16px;
  }
  .site-nav.open { display: flex; }
  .hero h1 { font-size: 2rem; }
  .search-widget { grid-template-columns: 1fr; }
  .route-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .schedule-action { width: 100%; justify-content: space-between; }
}

/* ---------- Booking / seat map ---------- */

.booking-layout { max-width: 640px; }

.trip-summary {
  border: 1px solid var(--border-light);
  border-top: 4px solid var(--blue-primary);
  border-radius: 6px;
  padding: 20px;
  margin-bottom: 24px;
}

.trip-facts {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.trip-fare { color: var(--blue-primary); font-weight: 700; }

.seat-legend {
  display: flex;
  gap: 20px;
  margin-bottom: 16px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.seat-swatch {
  display: inline-block;
  width: 12px;
  height: 12px;
  border-radius: 3px;
  margin-right: 6px;
  vertical-align: middle;
}

.seat-swatch.seat-available { background: var(--white); border: 1.5px solid var(--blue-accent); }
.seat-swatch.seat-taken { background: var(--border-light); }
.seat-swatch.seat-selected { background: var(--amber); }

.seat-map {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-bottom: 28px;
  max-width: 320px;
}

.seat {
  aspect-ratio: 1;
  border-radius: 4px;
  border: 1.5px solid var(--blue-accent);
  background: var(--white);
  color: var(--navy-dark);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
}

.seat.seat-taken {
  border-color: var(--border-light);
  background: var(--off-white);
  color: var(--text-muted);
  cursor: not-allowed;
}

.seat.seat-selected {
  background: var(--amber);
  border-color: var(--amber);
  color: var(--navy-dark);
}

.passenger-fields {
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-width: 360px;
  margin-bottom: 20px;
}

.passenger-fields label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-top: 12px;
}

.passenger-fields input {
  padding: 11px 12px;
  border: 1px solid var(--border-light);
  border-radius: 4px;
  font-size: 0.95rem;
  font-family: inherit;
}

.booking-form .btn-block { max-width: 360px; }
.booking-form .btn-block:disabled { opacity: 0.5; cursor: not-allowed; }

/* ---------- Ticket ---------- */

.ticket-wrap { max-width: 480px; margin: 0 auto; }

.ticket {
  border: 1px solid var(--border-light);
  border-top: 6px solid var(--blue-primary);
  border-radius: 8px;
  padding: 28px;
}

.ticket-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}

.ticket-status {
  font-size: 0.78rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 20px;
}

.status-confirmed { background: #E8F5E9; color: #1E6B24; }
.status-pending { background: #FFF3E0; color: #A3651F; }
.status-cancelled { background: #FDECEC; color: #A3241F; }

.ticket-cities {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--navy-dark);
  margin-bottom: 24px;
}

.ticket-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  padding-bottom: 20px;
  border-bottom: 1px dashed var(--border-light);
  margin-bottom: 20px;
}

.ticket-grid div { display: flex; flex-direction: column; gap: 2px; }

.ticket-label {
  font-size: 0.72rem;
  text-transform: none;
  color: var(--text-muted);
}

.ticket-ref { display: flex; flex-direction: column; gap: 4px; }

.ticket-ref-code {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--blue-primary);
  letter-spacing: 1px;
}

.ticket-actions {
  display: flex;
  gap: 12px;
  margin-top: 20px;
}

.status-tag { font-weight: 600; }
.status-tag.status-confirmed { color: #1E6B24; }
.status-tag.status-pending { color: #A3651F; }
.status-tag.status-cancelled { color: #A3241F; }

@media print {
  .site-header, .site-footer, .ticket-actions { display: none; }
  .ticket { border: 1px solid #ccc; }
}

/* ---------- Admin panel ---------- */

.admin-tabs {
  background: var(--navy-dark);
  overflow-x: auto;
}

.admin-tabs-inner {
  display: flex;
  gap: 4px;
}

.admin-tabs a {
  color: #B7C3D6;
  padding: 14px 18px;
  font-size: 0.9rem;
  font-weight: 600;
  white-space: nowrap;
  border-bottom: 3px solid transparent;
}

.admin-tabs a:hover { color: var(--white); text-decoration: none; }
.admin-tabs a.active { color: var(--white); border-bottom-color: var(--amber); }

.text-muted { color: var(--text-muted); }
.small-note { font-size: 0.8rem; }

.stat-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin: 24px 0 40px;
}

.stat-card {
  border: 1px solid var(--border-light);
  border-top: 3px solid var(--blue-accent);
  border-radius: 6px;
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat-card-number { font-size: 1.8rem; font-weight: 800; color: var(--blue-primary); }
.stat-card-label { font-size: 0.82rem; color: var(--text-muted); }

.admin-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.admin-panel {
  border: 1px solid var(--border-light);
  border-radius: 6px;
  padding: 20px;
}

.admin-panel h2 { font-size: 1.05rem; margin-bottom: 14px; }

.admin-form-card {
  border: 1px solid var(--border-light);
  border-top: 4px solid var(--blue-primary);
  border-radius: 6px;
  padding: 24px;
  margin: 24px 0 32px;
}

.admin-form-card h2 { font-size: 1.1rem; margin-bottom: 18px; }

.admin-form .form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 4px;
}

.admin-form label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-top: 12px;
  margin-bottom: 6px;
}

.admin-form input,
.admin-form select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border-light);
  border-radius: 4px;
  font-size: 0.95rem;
  font-family: inherit;
  background: var(--white);
}

.form-actions {
  display: flex;
  gap: 12px;
  margin-top: 20px;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.data-table th {
  text-align: left;
  padding: 10px 12px;
  background: var(--off-white);
  color: var(--text-muted);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.data-table td {
  padding: 12px;
  border-bottom: 1px solid var(--border-light);
  vertical-align: top;
}

.table-actions { display: flex; gap: 14px; white-space: nowrap; }
.link-danger { color: #C0392B; }

@media (max-width: 900px) {
  .stat-cards { grid-template-columns: 1fr 1fr; }
  .admin-columns { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .admin-form .form-row { grid-template-columns: 1fr; }
  .data-table { display: block; overflow-x: auto; white-space: nowrap; }
}