/* ===========================================================================
   Identité visuelle — Voie Libre
   DA « affiche jaune des départs » : nuit encre + jaune doré des panneaux
   de gare ; thème clair façon papier chaud. Statuts = signalisation ferroviaire.
   Système de thèmes clair / sombre via [data-theme]
   =========================================================================== */

/* --- Thème sombre (par défaut) : quai de nuit --- */
:root,
:root[data-theme="dark"] {
  --bg:            #090d15;
  --bg-grad:       radial-gradient(1200px 600px at 50% -10%, #17203a 0%, #090d15 55%);
  --surface:       #111722;
  --surface-2:     #18202e;
  --border:        #242e42;
  --text:          #eceff6;
  --text-soft:     #b7bfd0;
  --muted:         #7e8799;
  --accent:        #f5c518;
  --accent-2:      #f59e0b;
  --accent-grad:   linear-gradient(135deg, #f5c518 0%, #f59e0b 100%);
  --on-accent:     #161003;
  --shadow:        0 8px 30px rgba(0, 0, 0, .35);
  --shadow-sm:     0 2px 10px rgba(0, 0, 0, .25);

  --ok:        #34d399;
  --slight:    #fb923c;
  --late:      #f87171;
  --cancel:    #c084fc;

  --ok-bg:     rgba(52, 211, 153, .14);
  --slight-bg: rgba(251, 146, 60, .14);
  --late-bg:   rgba(248, 113, 113, .14);
  --cancel-bg: rgba(192, 132, 252, .14);
  --muted-bg:  rgba(126, 135, 153, .14);
}

/* --- Thème clair : papier d'affiche --- */
:root[data-theme="light"] {
  --bg:            #f6f3ec;
  --bg-grad:       radial-gradient(1200px 600px at 50% -10%, #f1e7cf 0%, #f6f3ec 55%);
  --surface:       #fffdf9;
  --surface-2:     #f4f0e6;
  --border:        #e6e0d2;
  --text:          #171a26;
  --text-soft:     #3d4254;
  --muted:         #6e7280;
  --accent:        #b45309;
  --accent-2:      #92400e;
  --accent-grad:   linear-gradient(135deg, #d97706 0%, #b45309 100%);
  --on-accent:     #ffffff;
  --shadow:        0 10px 30px rgba(80, 60, 20, .10);
  --shadow-sm:     0 2px 10px rgba(80, 60, 20, .07);

  --ok:        #047857;
  --slight:    #c2410c;
  --late:      #dc2626;
  --cancel:    #7c3aed;

  --ok-bg:     rgba(4, 120, 87, .12);
  --slight-bg: rgba(194, 65, 12, .12);
  --late-bg:   rgba(220, 38, 38, .12);
  --cancel-bg: rgba(124, 58, 237, .12);
  --muted-bg:  rgba(110, 114, 128, .12);
}

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

/* --- Utilitaires (remplacent les styles inline, interdits par la CSP) --- */
.hidden { display: none !important; }
.mt-1   { margin-top: 1rem; }
.mt-12  { margin-top: 1.2rem; }
.center { text-align: center; }

html { -webkit-text-size-adjust: 100%; }

body {
  background: var(--bg);
  background-image: var(--bg-grad);
  background-attachment: fixed;
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial,
    "Apple Color Emoji", "Segoe UI Emoji", sans-serif;
  line-height: 1.5;
  min-height: 100vh;
  padding: clamp(1rem, 3vw, 2.5rem) clamp(.85rem, 3vw, 1.5rem) 4rem;
  transition: background-color .3s ease, color .3s ease;
}

.wrap { max-width: 860px; margin: 0 auto; }

/* --- En-tête --- */
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.75rem;
}

.brand { display: flex; align-items: center; gap: .85rem; min-width: 0; }

.logo {
  flex: none;
  width: 46px; height: 46px;
  display: grid; place-items: center;
  font-size: 1.5rem;
  background: var(--accent-grad);
  border-radius: 14px;
  box-shadow: var(--shadow-sm);
}
/* Logo SVG « Voie Libre » : le badge encre est dans le fichier lui-même. */
img.logo { background: none; display: block; }

.brand-text { min-width: 0; }
h1 {
  font-size: clamp(1.25rem, 4vw, 1.6rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.subtitle { color: var(--muted); font-size: .9rem; }

.toolbar { display: flex; align-items: center; gap: .6rem; flex: none; }

.period-badge {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: .4rem .85rem;
  border-radius: 999px;
  font-size: .85rem;
  font-family: inherit;
  font-weight: 600;
  color: var(--text-soft);
  box-shadow: var(--shadow-sm);
  white-space: nowrap;
  cursor: pointer;
  transition: transform .12s ease, border-color .2s ease, color .2s ease;
}
.period-badge:hover { transform: translateY(-1px); border-color: var(--accent); color: var(--text); }
.period-badge:active { transform: translateY(0); }
/* Vue forcée manuellement (≠ moment courant) : repère visuel discret. */
.period-badge.forced { border-color: var(--accent); color: var(--accent); }

/* Horloge Europe/Paris */
.clock {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: .4rem .85rem;
  border-radius: 999px;
  font-size: .9rem;
  font-weight: 650;
  font-variant-numeric: tabular-nums;
  color: var(--accent);
  box-shadow: var(--shadow-sm);
  white-space: nowrap;
}

/* --- Bouton thème / icônes --- */
.icon-btn {
  width: 42px; height: 42px;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 1.15rem;
  line-height: 1;
  padding: 0;
  text-align: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  cursor: pointer;
  color: var(--text);
  box-shadow: var(--shadow-sm);
  transition: transform .12s ease, background-color .2s ease, border-color .2s ease;
}
.icon-btn:hover { transform: translateY(-1px); border-color: var(--accent); }
.icon-btn:active { transform: translateY(0); }

/* Bouton avec libellé (ex. « ⟳ Rafraîchir ») : même famille que .icon-btn */
.pill-btn {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  height: 42px;
  padding: 0 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--text);
  font-size: .9rem;
  font-weight: 600;
  box-shadow: var(--shadow-sm);
  transition: transform .12s ease, border-color .2s ease;
}
.pill-btn:hover { transform: translateY(-1px); border-color: var(--accent); filter: none; }
.pill-btn:active { transform: translateY(0); }

/* --- Cartes du tableau de bord --- */
.cards { display: grid; gap: 1rem; }

.card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 1.15rem 1.3rem;
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: transform .14s ease, box-shadow .14s ease;
}
.card::before {
  content: "";
  position: absolute; left: 0; top: 0; bottom: 0;
  width: 5px;
  background: var(--muted);
}
.card:hover { transform: translateY(-2px); }

.card.ok::before        { background: var(--ok); }
.card.slight::before    { background: var(--slight); }
.card.late::before      { background: var(--late); }
.card.cancelled::before { background: var(--cancel); }
.card.error::before     { background: var(--muted); }

.card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}
.card-title { font-size: 1.15rem; font-weight: 650; letter-spacing: -.01em; }
.card-sub { color: var(--muted); font-size: .82rem; margin-top: .15rem; }

.pill {
  flex: none;
  font-size: .8rem;
  font-weight: 650;
  padding: .32rem .75rem;
  border-radius: 999px;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: .35rem;
}
.pill::before {
  content: "";
  width: 7px; height: 7px; border-radius: 50%;
  background: currentColor;
}
.pill.ok        { background: var(--ok-bg);     color: var(--ok); }
.pill.slight    { background: var(--slight-bg); color: var(--slight); }
.pill.late      { background: var(--late-bg);   color: var(--late); }
.pill.cancelled { background: var(--cancel-bg); color: var(--cancel); }
.pill.error     { background: var(--muted-bg);  color: var(--muted); }

.departures {
  margin-top: 1rem;
  padding-top: .9rem;
  border-top: 1px dashed var(--border);
  display: grid;
  gap: .55rem;
}
.dep {
  display: flex;
  align-items: center;
  gap: .65rem;
  font-size: .95rem;
}
.dep .time { font-variant-numeric: tabular-nums; font-weight: 650; }
.dep .time.delayed { color: var(--late); }
.dep .time.cancelled-time { text-decoration: line-through; color: var(--cancel); }
.dep .strike { text-decoration: line-through; color: var(--muted); font-size: .82rem; }
.dep .dest {
  color: var(--text-soft);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  flex: 1; min-width: 0;
}
.dep .late-tag { color: var(--late); font-size: .82rem; font-weight: 650; flex: none; }

/* --- Voie de départ --- */
.platform {
  flex: none;
  font-size: .74rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  padding: .14rem .5rem;
  border-radius: 7px;
  background: var(--accent);
  color: var(--on-accent);
  letter-spacing: .02em;
  white-space: nowrap;
}
.platform.unknown {
  background: var(--muted-bg);
  color: var(--muted);
  font-weight: 600;
}

/* --- Avertissement retard (par carte) --- */
.warn-banner {
  display: flex;
  align-items: center;
  gap: .55rem;
  margin-top: .85rem;
  padding: .65rem .9rem;
  border-radius: 12px;
  font-size: .95rem;
  background: var(--late-bg);
  color: var(--late);
  border: 1px solid color-mix(in srgb, var(--late) 45%, transparent);
  animation: warn-pulse 1.6s ease-in-out infinite;
}
.card.cancelled .warn-banner {
  background: var(--cancel-bg);
  color: var(--cancel);
  border-color: color-mix(in srgb, var(--cancel) 45%, transparent);
}
/* Motifs de perturbation, sous le bandeau d'avertissement */
.causes { margin-top: .6rem; display: grid; gap: .3rem; }
.cause { font-size: .85rem; color: var(--text-soft); }

@keyframes warn-pulse {
  0%, 100% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--late) 35%, transparent); }
  50%      { box-shadow: 0 0 0 5px transparent; }
}

/* --- Alerte globale en haut de page --- */
.global-alert {
  display: flex;
  align-items: center;
  gap: .85rem;
  margin-bottom: 1.1rem;
  padding: .9rem 1.15rem;
  border-radius: 16px;
  background: var(--late);
  color: #fff;
  font-size: .98rem;
  box-shadow: 0 8px 24px color-mix(in srgb, var(--late) 40%, transparent);
}
.global-alert-icon { font-size: 1.5rem; flex: none; }
.global-alert-sub { font-size: .85rem; opacity: .92; margin-top: .1rem; }

.empty, .error-msg {
  text-align: center;
  color: var(--muted);
  padding: 2.5rem 1rem;
  background: var(--surface);
  border: 1px dashed var(--border);
  border-radius: 18px;
}

/* --- Squelette de chargement --- */
.skeleton {
  height: 96px;
  border-radius: 18px;
  background: linear-gradient(100deg, var(--surface) 30%, var(--surface-2) 50%, var(--surface) 70%);
  background-size: 200% 100%;
  animation: shimmer 1.3s infinite;
  border: 1px solid var(--border);
}
@keyframes shimmer { to { background-position: -200% 0; } }

footer {
  margin-top: 2.5rem;
  text-align: center;
  font-size: .82rem;
  color: var(--muted);
}
a { color: var(--accent); text-decoration: none; font-weight: 500; }
a:hover { text-decoration: underline; }

/* ===========================================================================
   Administration
   =========================================================================== */
.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: clamp(1.1rem, 3vw, 1.6rem);
  margin-bottom: 1.25rem;
  box-shadow: var(--shadow);
}
.panel h2 { font-size: 1.1rem; margin-bottom: 1.1rem; font-weight: 650; }

label.field { display: block; margin-bottom: .95rem; font-size: .88rem; color: var(--text-soft); font-weight: 500; }
input, select {
  width: 100%;
  margin-top: .4rem;
  padding: .7rem .85rem;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 11px;
  color: var(--text);
  font-size: .95rem;
  font-family: inherit;
  transition: border-color .15s ease, box-shadow .15s ease;
}
input:focus, select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent);
}

button {
  background: var(--accent-grad);
  color: var(--on-accent);
  border: none;
  border-radius: 11px;
  padding: .72rem 1.2rem;
  font-size: .95rem;
  font-weight: 650;
  font-family: inherit;
  cursor: pointer;
  transition: transform .12s ease, filter .15s ease;
}
button:hover { filter: brightness(1.07); transform: translateY(-1px); }
button:active { transform: translateY(0); }
button.ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-soft);
}
button.ghost:hover { border-color: var(--accent); filter: none; }
button.danger {
  background: transparent;
  border: 1px solid var(--late);
  color: var(--late);
  padding: .45rem .8rem;
  font-size: .85rem;
}
button.danger:hover { background: var(--late-bg); filter: none; }

.search-results { margin-top: .6rem; display: grid; gap: .4rem; }
.chosen:not(:empty) { margin-top: .5rem; }
.chosen .search-item { border-color: var(--accent); color: var(--ok); }
.search-item {
  display: flex; justify-content: space-between; align-items: center; gap: .75rem;
  padding: .6rem .85rem; background: var(--surface-2);
  border: 1px solid var(--border); border-radius: 11px; font-size: .9rem;
}
.line-row {
  display: flex; justify-content: space-between; align-items: center; gap: .75rem;
  padding: .8rem .95rem; border: 1px solid var(--border);
  border-radius: 12px; margin-bottom: .55rem; background: var(--surface-2);
}
.line-row .meta { font-size: .8rem; color: var(--muted); margin-top: .2rem; }
.line-row .line-info { flex: 1; min-width: 0; }
.reorder { display: flex; flex-direction: column; gap: .25rem; flex: none; }
button.mini {
  padding: .1rem .45rem;
  font-size: .7rem;
  line-height: 1.4;
}
button.mini:disabled { opacity: .35; cursor: default; }
button.mini:disabled:hover { border-color: var(--border); transform: none; }
.backup-row { flex-wrap: wrap; }
.backup-row > * { flex: none; }
#backup-status:not(:empty) { margin-top: .6rem; }
.notice {
  color: var(--late);
  background: var(--late-bg);
  border: 1px solid color-mix(in srgb, var(--late) 35%, transparent);
  padding: .6rem .85rem;
  border-radius: 11px;
  font-size: .9rem;
  margin-bottom: 1rem;
}
.row { display: flex; gap: .75rem; }
.row > * { flex: 1; }

/* --- Quota API (administration) --- */
.quota-line {
  display: flex;
  align-items: baseline;
  gap: .5rem;
  flex-wrap: wrap;
}
.quota-line strong { font-size: 1.25rem; font-variant-numeric: tabular-nums; }
.quota-remaining {
  margin-left: auto;
  font-size: .85rem;
  font-weight: 650;
  color: var(--ok);
}
.quota-remaining.warn { color: var(--late); }
.quota-bar {
  margin-top: .6rem;
  height: 8px;
  border-radius: 999px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  overflow: hidden;
}
.quota-fill {
  height: 100%;
  width: 0;
  border-radius: 999px;
  background: var(--accent-grad);
  transition: width .4s ease;
}
.quota-fill.warn { background: var(--late); }
.quota-month { margin-top: .9rem; }
.quota-note { margin-top: .6rem; }

/* --- Aide (administration) --- */
.help-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.help-head h2 { margin-bottom: 0; }
.help-steps {
  margin: 1rem 0 0 1.2rem;
  display: grid;
  gap: .55rem;
  font-size: .92rem;
  color: var(--text-soft);
}
.help-note { margin-top: .8rem; }
code {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: .08rem .4rem;
  font-size: .85em;
  color: var(--accent);
}

/* --- Écran de connexion centré --- */
.login-screen {
  min-height: 60vh;
  display: grid;
  place-items: center;
}
.login-card {
  width: 100%;
  max-width: 380px;
  text-align: center;
}
.login-card .logo { margin: 0 auto 1rem; width: 56px; height: 56px; font-size: 1.8rem; }
.login-card h2 { text-align: center; }
.login-card label.field { text-align: left; }
.login-card button { width: 100%; margin-top: .3rem; }

/* ===========================================================================
   Responsive
   =========================================================================== */
@media (max-width: 560px) {
  header { flex-wrap: wrap; }
  .subtitle { font-size: .82rem; }
  .period-badge { padding: .35rem .7rem; font-size: .8rem; }
  .card-head { flex-direction: column; gap: .6rem; }
  .pill { align-self: flex-start; }
  .row { flex-direction: column; gap: 0; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
}