/* ==========================================================
   TRANSPORTS.CSS - Styles pour la zone transports
   Bus, RER, Métro, Train, Tram, Noctilien, Alertes trafic
   ========================================================== */

/* ===========================
   Variables spécifiques transports
   =========================== */
:root {
  /* Couleurs lignes */
  --bus-bg: #91be51;
  --bus-text: #ffffff;
  --rer-a-bg: #e3051c;
  --rer-a-text: #ffffff;
  --rer-b-bg: #5291ce;
  --rer-b-text: #ffffff;
  --rer-c-bg: #fcd946;
  --rer-c-text: #000000;
  --rer-d-bg: #00a94f;
  --rer-d-text: #ffffff;
  --rer-e-bg: #bd76a1;
  --rer-e-text: #ffffff;
  --metro-1-bg: #ffcd00;
  --metro-1-text: #000000;
  --metro-2-bg: #003ca6;
  --metro-2-text: #ffffff;
  --metro-3-bg: #837902;
  --metro-3-text: #ffffff;
  --metro-4-bg: #cf009e;
  --metro-4-text: #ffffff;
  --metro-5-bg: #ff7e2e;
  --metro-5-text: #ffffff;
  --metro-6-bg: #6eca97;
  --metro-6-text: #ffffff;
  --metro-7-bg: #fa9aba;
  --metro-7-text: #000000;
  --metro-8-bg: #e19bdf;
  --metro-8-text: #000000;
  --metro-9-bg: #b6bd00;
  --metro-9-text: #000000;
  --metro-10-bg: #c9910d;
  --metro-10-text: #ffffff;
  --metro-11-bg: #704b1c;
  --metro-11-text: #ffffff;
  --metro-12-bg: #007852;
  --metro-12-text: #ffffff;
  --metro-13-bg: #6ec4e8;
  --metro-13-text: #000000;
  --metro-14-bg: #62259d;
  --metro-14-text: #ffffff;
  --tram-bg: #000000;
  --tram-text: #ffffff;
  
  /* États horaires */
  --time-bg: #1a1a1a;
  --time-text: #ffffff;
  --time-imminent-bg: #f59e0b;
  --time-imminent-text: #000000;
  --time-at-stop-bg: #3b82f6;
  --time-at-stop-text: #ffffff;
  
  /* Alertes */
  --alert-info: #3b82f6;
  --alert-warning: #f59e0b;
  --alert-danger: #ef4444;
}

/* ===========================
   Wrapper zone transports
   =========================== */

.ratp-wrap {
  padding: clamp(4px, 1.2vw, 6px) clamp(6px, 1.8vw, 10px);
}

.ratp-stack {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* ===========================
   Cartes transport (tcard)
   =========================== */

.tcard {
  border-radius: var(--radius-xl, 22px);
  background: radial-gradient(circle at top, var(--bg-gradient, #f7fbff) 0%, var(--bg-gradient1, #dde9fb) 60%, var(--bg-gradient2, #d1e0f8) 100%);
  padding: 10px 14px;
  box-shadow: 0 6px 14px rgba(15, 23, 42, 0.10);
  border: 0.1em solid var(--border-soft, #6b7280);
}

.tcard.tcard--disabled {
  opacity: 0.4;
  pointer-events: none;
}

/* ===========================
   Header carte transport
   =========================== */

.tcard .head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 6px;
}

.tcard .head-left {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ===========================
   Badge ligne (numéro/lettre)
   =========================== */

.line-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 8px;
  border-radius: 999px;
}

.line-badge .round,
.line-badge .letter {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 22px;
  min-height: 22px;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 700;
}

.line-badge .num {
  font-weight: 700;
  font-size: 0.9rem;
}

/* Couleurs spécifiques par ligne */
.line-badge--bus { background: var(--bus-bg); color: var(--bus-text); }
.line-badge--rer-a { background: var(--rer-a-bg); color: var(--rer-a-text); }
.line-badge--rer-b { background: var(--rer-b-bg); color: var(--rer-b-text); }
.line-badge--rer-c { background: var(--rer-c-bg); color: var(--rer-c-text); }
.line-badge--rer-d { background: var(--rer-d-bg); color: var(--rer-d-text); }
.line-badge--rer-e { background: var(--rer-e-bg); color: var(--rer-e-text); }
.line-badge--metro-1 { background: var(--metro-1-bg); color: var(--metro-1-text); }
.line-badge--metro-2 { background: var(--metro-2-bg); color: var(--metro-2-text); }
.line-badge--metro-3 { background: var(--metro-3-bg); color: var(--metro-3-text); }
.line-badge--metro-4 { background: var(--metro-4-bg); color: var(--metro-4-text); }
.line-badge--metro-5 { background: var(--metro-5-bg); color: var(--metro-5-text); }
.line-badge--metro-6 { background: var(--metro-6-bg); color: var(--metro-6-text); }
.line-badge--metro-7 { background: var(--metro-7-bg); color: var(--metro-7-text); }
.line-badge--metro-8 { background: var(--metro-8-bg); color: var(--metro-8-text); }
.line-badge--metro-9 { background: var(--metro-9-bg); color: var(--metro-9-text); }
.line-badge--metro-10 { background: var(--metro-10-bg); color: var(--metro-10-text); }
.line-badge--metro-11 { background: var(--metro-11-bg); color: var(--metro-11-text); }
.line-badge--metro-12 { background: var(--metro-12-bg); color: var(--metro-12-text); }
.line-badge--metro-13 { background: var(--metro-13-bg); color: var(--metro-13-text); }
.line-badge--metro-14 { background: var(--metro-14-bg); color: var(--metro-14-text); }
.line-badge--tram { background: var(--tram-bg); color: var(--tram-text); }

/* ===========================
   Nom de station
   =========================== */

.station {
  font-weight: 600;
  font-size: 0.95rem;
}

/* ===========================
   Badge mise à jour
   =========================== */

.upd-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid var(--border-soft, #d5e0f0);
  font-size: 0.75rem;
  color: var(--text-muted, #6b7280);
}

.upd-badge .dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--accent, #ffcc00);
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.upd-badge.upd-badge--stale .dot {
  background: var(--alert-warning);
}

.upd-badge.upd-badge--error .dot {
  background: var(--alert-danger);
}

/* ===========================
   ÉLÉMENTS UNIFORMISÉS
   Classes communes à toutes les cartes
   =========================== */

/* Ligne de transport (destination + horaires) */
.transport-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  align-items: center;
  margin: 8px 0;
}

/* Label destination */
.dest-label {
  font-weight: 700;
  font-size: 1rem;
  color: var(--text-main, #102143);
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Conteneur des badges horaires */
.time-badges {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  justify-content: flex-end;
}

/* Badge horaire unifié */
.time-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 150px !important;
  padding: 6px 10px;
  border-radius: var(--radius-s, 10px);
  background: var(--time-bg);
  color: var(--time-text);
  font-weight: 800;
  font-size: 2.5rem;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.time-badge__suffix {
  font-size: 0.85rem;
  margin-left: 3px;
  opacity: 0.9;
}

/* État imminent (orange clignotant) */
.time-badge--imminent {
  background: var(--time-imminent-bg);
  color: var(--time-imminent-text);
  animation: blink-imminent 1s infinite;
}

@keyframes blink-imminent {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

/* État à quai (bleu pulsant) */
.time-badge--at-stop {
  background: var(--time-at-stop-bg);
  color: var(--time-at-stop-text);
  animation: pulse-glow 1.5s ease-in-out infinite;
}

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 5px rgba(59, 130, 246, 0.5); }
  50% { box-shadow: 0 0 15px rgba(59, 130, 246, 0.8); }
}

/* Badge mission (RER/Train) */
.mission-badge {
  display: inline-block;
  font-weight: 600;
  padding: 2px 6px;
  border-radius: 4px;
  background: rgba(0, 0, 0, 0.08);
  font-size: 0.85rem;
}

/* Message vide */
.empty-message {
  text-align: center;
  color: var(--text-muted, #6b7280);
  padding: 12px;
  font-style: italic;
}

/* ===========================
   RER / Train — tableau double colonne
   =========================== */

.rer-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin-top: 4px;
}

.rer-panel {
  border-radius: var(--radius-l, 16px);
  padding: 8px 10px;
  box-shadow: 0 4px 10px rgba(15, 23, 42, 0.08);
  background: rgba(255, 255, 255, 0.5);
}

.rer-panel h4 {
  margin: 0 0 4px 0;
  font-size: 0.9rem;
  font-weight: 700;
}

/* Table RER/Train */
.rer-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.78rem;
}

.rer-table th,
.rer-table td {
  padding: 3px 4px;
  text-align: left;
}

/* Colonnes du tableau */
.rer-table .col-mission { }
.rer-table .col-dest { }
.rer-table .col-time,
.rer-table .cell-time {
  text-align: right;
}

.rer-table thead th {
  font-weight: 600;
  color: var(--text-muted, #6b7280);
  border-bottom: 1px solid var(--border-soft, #d5e0f0);
}

.rer-table tbody tr:nth-child(even) {
  background: rgba(255, 255, 255, 0.6);
}

/* ===========================
   Ticker alertes trafic
   =========================== */

.ticker {
  margin: 4px 0;
  padding: 8px 12px;
  border-radius: var(--radius-s, 10px);
  font-size: 0.85rem;
  background: rgba(0, 0, 0, 0.03);
  overflow: hidden;
}

.ticker.hidden,
.ticker[hidden] {
  display: none !important;
}

.ticker-content {
  display: flex;
  align-items: center;
  gap: 12px;
}

.ticker-icon {
  flex-shrink: 0;
  font-size: 1.1rem;
}

.ticker-text {
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
}

/* Animation défilement si texte trop long */
.ticker-text.ticker-text--scroll {
  animation: ticker-scroll var(--ticker-duration, 20s) linear infinite;
}

@keyframes ticker-scroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-100%); }
}

/* Sévérité alertes */
.ticker--info {
  background: rgba(59, 130, 246, 0.1);
  border-left: 3px solid var(--alert-info);
}

.ticker--warning {
  background: rgba(245, 158, 11, 0.1);
  border-left: 3px solid var(--alert-warning);
}

.ticker--danger {
  background: rgba(239, 68, 68, 0.1);
  border-left: 3px solid var(--alert-danger);
}

/* ===========================
   États de chargement / erreur
   =========================== */

.tcard--loading {
  position: relative;
}

.tcard--loading::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  animation: loading-bar 1.5s infinite;
}

@keyframes loading-bar {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

.tcard--error {
  border-color: var(--alert-danger);
  opacity: 0.7;
}

.tcard--error .upd-badge .dot {
  background: var(--alert-danger);
}

/* ===========================
   Responsive
   =========================== */

@media (max-width: 768px) {
  .rer-grid {
    grid-template-columns: 1fr;
  }
  
  .time-badge {
    min-width: 54px;
    padding: 5px 8px;
  }
  
  .dest-label {
    font-size: 0.9rem;
  }
  
  .rer-table {
    font-size: 0.72rem;
  }
}

@media (max-width: 480px) {
  .tcard {
    padding: 8px 10px;
  }
  
  .head {
    flex-wrap: wrap;
  }
  
  .upd-badge {
    font-size: 0.7rem;
    padding: 3px 8px;
  }
}