/* ============================================================
   app.css — design system Transport MVP
   ============================================================ */
:root {
  --navy: #1f4e79;
  --navy-dark: #16324f;
  --navy-darker: #102338;
  --amber: #f0a12b;
  --amber-dark: #d88c15;
  --bg: #f2f5f9;
  --card: #ffffff;
  --text: #1c2733;
  --muted: #64748b;
  --line: #e2e8f0;
  --ok: #1e9e5a;
  --ok-bg: #e5f6ec;
  --warn: #b45309;
  --warn-bg: #fdf1dc;
  --danger: #d64545;
  --danger-bg: #fbe9e9;
  --info-bg: #e8f0fa;
  --radius: 10px;
  --shadow: 0 1px 3px rgba(16, 35, 56, .08), 0 4px 14px rgba(16, 35, 56, .06);
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg); color: var(--text); font-size: 15px; line-height: 1.45;
}
a { color: var(--navy); text-decoration: none; }
h1, h2, h3 { margin: 0 0 .5em; line-height: 1.2; }

/* ---------- structure ---------- */
#layout { display: flex; min-height: 100vh; }
#sidebar {
  width: 232px; flex-shrink: 0; background: linear-gradient(180deg, var(--navy-dark), var(--navy-darker));
  color: #cdd9e5; display: flex; flex-direction: column; position: sticky; top: 0; height: 100vh;
}
#brand { padding: 18px 16px 14px; border-bottom: 1px solid rgba(255,255,255,.08); }
#brand .logo { display: flex; align-items: center; gap: 10px; color: #fff; font-weight: 700; font-size: 16px; letter-spacing: .3px; }
#brand .logo .bus { background: var(--amber); border-radius: 8px; width: 34px; height: 34px; display: grid; place-items: center; font-size: 18px; }
#brand small { color: #8fa5b8; display: block; margin-top: 4px; font-size: 11.5px; }
nav#menu { padding: 10px 8px; flex: 1; overflow-y: auto; }
nav#menu a {
  display: flex; align-items: center; gap: 10px; color: #c3d2df; padding: 10px 12px; border-radius: 8px;
  margin-bottom: 2px; font-weight: 500; font-size: 14.5px;
}
nav#menu a:hover { background: rgba(255,255,255,.07); color: #fff; }
nav#menu a.actif { background: var(--amber); color: #1d1500; }
nav#menu .ico { width: 20px; text-align: center; }
#sidebar footer { padding: 12px 16px; font-size: 11.5px; color: #7c93a8; border-top: 1px solid rgba(255,255,255,.08); }

#main { flex: 1; min-width: 0; display: flex; flex-direction: column; }
#topbar {
  background: var(--card); border-bottom: 1px solid var(--line); padding: 10px 22px;
  display: flex; align-items: center; justify-content: space-between; gap: 12px; position: sticky; top: 0; z-index: 20;
}
#topbar .titre { font-weight: 700; font-size: 17px; }
#topbar .droite { display: flex; align-items: center; gap: 10px; }
.userchip { display: flex; align-items: center; gap: 10px; background: var(--info-bg); border-radius: 999px; padding: 5px 12px 5px 6px; font-size: 13px; }
.userchip .avatar { width: 28px; height: 28px; border-radius: 50%; background: var(--navy); color: #fff; display: grid; place-items: center; font-weight: 700; font-size: 12px; }
.userchip small { color: var(--muted); display: block; }
#view { padding: 22px; max-width: 1200px; width: 100%; margin: 0 auto; }

/* ---------- composants ---------- */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 14px; margin-bottom: 20px; }
.card { background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); padding: 16px 18px; }
.card .k { color: var(--muted); font-size: 12.5px; text-transform: uppercase; letter-spacing: .5px; font-weight: 600; }
.card .v { font-size: 26px; font-weight: 800; margin-top: 4px; color: var(--navy-dark); }
.card .s { color: var(--muted); font-size: 12.5px; margin-top: 2px; }
.bloc { background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); padding: 18px 20px; margin-bottom: 18px; }
.bloc h3 { font-size: 15.5px; display: flex; align-items: center; gap: 8px; margin-bottom: 12px; }

table.liste { width: 100%; border-collapse: collapse; font-size: 14px; }
table.liste th { text-align: left; color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .4px; padding: 8px 10px; border-bottom: 2px solid var(--line); }
table.liste td { padding: 10px; border-bottom: 1px solid var(--line); vertical-align: middle; }
table.liste tr:hover td { background: #f8fafc; }
table.liste tr.clic { cursor: pointer; }

.badge { display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: 12px; font-weight: 600; white-space: nowrap; }
.b-ok { background: var(--ok-bg); color: var(--ok); }
.b-warn { background: var(--warn-bg); color: var(--warn); }
.b-danger { background: var(--danger-bg); color: var(--danger); }
.b-info { background: var(--info-bg); color: var(--navy); }
.b-neutre { background: #eef1f5; color: var(--muted); }

.btn {
  display: inline-flex; align-items: center; gap: 7px; border: none; cursor: pointer; font-weight: 600;
  border-radius: 8px; padding: 9px 15px; font-size: 14px; background: var(--navy); color: #fff; transition: .15s;
}
.btn:hover { background: var(--navy-dark); }
.btn.amber { background: var(--amber); color: #241a00; }
.btn.amber:hover { background: var(--amber-dark); }
.btn.ghost { background: transparent; color: var(--navy); border: 1.5px solid var(--line); }
.btn.ghost:hover { border-color: var(--navy); background: var(--info-bg); }
.btn.danger { background: var(--danger); }
.btn.mini { padding: 5px 10px; font-size: 12.5px; border-radius: 6px; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

label.champ { display: block; margin-bottom: 12px; font-size: 13.5px; font-weight: 600; color: var(--navy-dark); }
label.champ span { display: block; margin-bottom: 5px; }
input, select, textarea {
  width: 100%; padding: 9px 11px; border: 1.5px solid var(--line); border-radius: 8px; font-size: 14.5px;
  font-family: inherit; background: #fff; color: var(--text);
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--navy); box-shadow: 0 0 0 3px rgba(31,78,121,.12); }
.ligne-form { display: flex; gap: 12px; flex-wrap: wrap; align-items: flex-end; }
.ligne-form label.champ { flex: 1; min-width: 140px; margin-bottom: 0; }
.filtres { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin-bottom: 14px; }
.filtres input, .filtres select { width: auto; }

/* barre de remplissage */
.jauge { background: #e8edf3; border-radius: 999px; height: 8px; width: 110px; overflow: hidden; display: inline-block; vertical-align: middle; }
.jauge i { display: block; height: 100%; background: var(--ok); border-radius: 999px; }
.jauge i.moyen { background: var(--amber); }
.jauge i.plein { background: var(--danger); }

/* plan des sieges */
#plan-sieges { display: flex; flex-direction: column; gap: 7px; background: #f8fafc; border: 1.5px solid var(--line); border-radius: 12px; padding: 16px; max-width: 320px; }
.rangee { display: flex; gap: 7px; justify-content: center; }
.rangee .allee { width: 22px; }
.siege {
  width: 46px; height: 40px; border-radius: 8px; border: 1.5px solid var(--line); background: #fff;
  font-weight: 700; font-size: 13px; cursor: pointer; color: var(--navy-dark);
}
.siege:hover { border-color: var(--navy); }
.siege.pris { background: #f1d3d3; border-color: #e0a8a8; color: #8f3d3d; cursor: not-allowed; text-decoration: line-through; }
.siege.choisi { background: var(--amber); border-color: var(--amber-dark); color: #241a00; }
.legende { display: flex; gap: 16px; font-size: 12.5px; color: var(--muted); margin-top: 10px; }
.legende i { display: inline-block; width: 14px; height: 14px; border-radius: 4px; vertical-align: -2px; margin-right: 5px; border: 1.5px solid var(--line); }

/* timeline colis */
.timeline { list-style: none; margin: 0; padding: 0 0 0 6px; }
.timeline li { position: relative; padding: 0 0 18px 24px; border-left: 2px solid var(--line); }
.timeline li:last-child { border-left-color: transparent; padding-bottom: 0; }
.timeline li::before { content: ""; position: absolute; left: -7px; top: 1px; width: 12px; height: 12px; border-radius: 50%; background: var(--ok); border: 2px solid #fff; box-shadow: 0 0 0 2px var(--ok); }
.timeline li .quand { color: var(--muted); font-size: 12px; }

/* modales & toasts */
#voile { position: fixed; inset: 0; background: rgba(13, 25, 38, .55); display: none; z-index: 50; align-items: flex-start; justify-content: center; padding: 40px 16px; overflow-y: auto; }
#voile.ouvert { display: flex; }
.modale { background: #fff; border-radius: 14px; box-shadow: 0 20px 60px rgba(0,0,0,.3); width: 100%; max-width: 560px; padding: 22px 24px; animation: pop .18s ease-out; }
.modale.large { max-width: 760px; }
.modale h3 { font-size: 17px; margin-bottom: 16px; }
.modale .actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 18px; }
@keyframes pop { from { transform: translateY(12px); opacity: 0; } to { transform: none; opacity: 1; } }

#toasts { position: fixed; bottom: 20px; right: 20px; z-index: 90; display: flex; flex-direction: column; gap: 8px; }
.toast { background: var(--navy-darker); color: #fff; padding: 12px 18px; border-radius: 10px; box-shadow: var(--shadow); font-size: 14px; max-width: 380px; animation: pop .2s; }
.toast.ok { background: var(--ok); }
.toast.erreur { background: var(--danger); }

.bandeau-alerte { background: var(--warn-bg); border: 1.5px solid #f2ce93; color: var(--warn); padding: 10px 16px; border-radius: 10px; margin-bottom: 16px; display: flex; align-items: center; gap: 10px; justify-content: space-between; flex-wrap: wrap; }

/* resultat scan */
.scan-resultat { border-radius: 12px; padding: 18px; text-align: center; margin-top: 14px; }
.scan-resultat.ok { background: var(--ok-bg); border: 2px solid var(--ok); }
.scan-resultat.erreur { background: var(--danger-bg); border: 2px solid var(--danger); }
.scan-resultat .gros { font-size: 20px; font-weight: 800; }

.vide { text-align: center; color: var(--muted); padding: 30px 10px; }
.mt0 { margin-top: 0; } .mt1 { margin-top: 14px; } .mb0 { margin-bottom: 0; }
.grille2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 16px; }
.txt-muted { color: var(--muted); font-size: 13px; }
.montant { font-variant-numeric: tabular-nums; font-weight: 700; }

/* onglets parametres */
.onglets { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 16px; }
.onglets button { border: 1.5px solid var(--line); background: #fff; padding: 8px 14px; border-radius: 999px; cursor: pointer; font-weight: 600; font-size: 13.5px; color: var(--muted); }
.onglets button.actif { background: var(--navy); border-color: var(--navy); color: #fff; }

@media (max-width: 860px) {
  #layout { flex-direction: column; }
  #sidebar { width: 100%; height: auto; position: static; }
  nav#menu { display: flex; overflow-x: auto; padding: 6px; }
  nav#menu a { white-space: nowrap; }
  #sidebar footer { display: none; }
  .grille2 { grid-template-columns: 1fr; }
  #view { padding: 14px; }
}