/* La Centrale — feuille de style (clair et sobre) */
:root {
  --bg: #f5f7fa;
  --surface: #ffffff;
  --text: #1f2933;
  --muted: #7b8794;
  --border: #e4e7eb;
  --primary: #1b5e20;
  --primary-hover: #14401a;
  --danger: #c62828;
  --success: #2e7d32;
  --radius: 10px;
  --shadow: 0 1px 3px rgba(0, 0, 0, .08), 0 1px 2px rgba(0, 0, 0, .04);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 15px;
  line-height: 1.5;
}

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

/* --- Topbar --- */
.topbar {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow);
}
.topbar-inner {
  max-width: 1200px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 20px;
}
.brand { font-weight: 700; font-size: 18px; color: var(--primary); }
.topbar nav { display: flex; align-items: center; gap: 18px; }
.topbar nav a { color: var(--text); font-weight: 500; }
.who { color: var(--muted); }
.logout-form { margin: 0; }

/* --- Layout --- */
.container { max-width: 1200px; margin: 0 auto; padding: 24px 20px 60px; }

.page-title { margin: 0 0 4px; font-size: 26px; }
.page-sub { margin: 0 0 24px; color: var(--muted); }
.back-link { margin: 0 0 12px; }

/* --- Flash --- */
.flashes { margin-bottom: 18px; display: flex; flex-direction: column; gap: 8px; }
.flash {
  padding: 10px 14px; border-radius: var(--radius); border: 1px solid transparent;
}
.flash-error   { background: #fdecea; color: var(--danger); border-color: #f5c6cb; }
.flash-success { background: #e8f5e9; color: var(--success); border-color: #c8e6c9; }

/* --- Buttons --- */
.btn {
  border: 1px solid transparent; border-radius: var(--radius);
  padding: 10px 16px; font-size: 14px; font-weight: 600; cursor: pointer;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--border); }
.btn-ghost:hover { background: var(--bg); }
.btn-block { width: 100%; }
.btn-small { padding: 5px 10px; font-size: 12px; border-radius: 6px; }

/* --- Login --- */
.login-page {
  display: flex; align-items: center; justify-content: center; min-height: 100vh;
  background: linear-gradient(135deg, #1b5e20, #2e7d32);
}
.login-card {
  background: var(--surface); border-radius: 14px; padding: 34px 30px;
  width: 360px; max-width: 92vw; box-shadow: 0 10px 30px rgba(0, 0, 0, .2);
}
.login-brand {
  font-weight: 700; font-size: 22px; color: var(--primary);
  text-align: center; margin-bottom: 22px;
}
.login-form { display: flex; flex-direction: column; gap: 8px; }
.login-form label { font-size: 13px; color: var(--muted); margin-top: 8px; }
.login-form input {
  padding: 10px 12px; border: 1px solid var(--border); border-radius: var(--radius);
  font-size: 15px;
}
.login-form input:focus { outline: none; border-color: var(--primary); }
.login-form .btn { margin-top: 14px; }
.login-hint { font-size: 12px; color: var(--muted); text-align: center; margin-top: 16px; }

/* --- Vehicle grid --- */
.vehicle-grid {
  display: grid; gap: 22px;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
}
.vehicle-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow);
  display: flex; flex-direction: column;
}
.card-head { border-bottom: 1px solid var(--border); }
.photo-strip {
  display: flex; overflow-x: auto; gap: 0; height: 200px; background: #eef1f4;
}
.photo-strip img { height: 200px; width: auto; object-fit: cover; flex: 0 0 auto; }
.photo-placeholder {
  display: flex; align-items: center; justify-content: center;
  width: 100%; height: 200px; color: var(--muted); font-size: 14px;
  background: #eef1f4;
}
.card-banner {
  display: flex; align-items: center; justify-content: center;
  min-height: 92px; padding: 20px;
  background: linear-gradient(135deg, #1b5e20, #2e7d32);
  color: #fff; font-weight: 700; font-size: 19px; text-align: center;
}
.vehicle-body { padding: 16px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.vehicle-title { margin: 0; font-size: 18px; }
.vehicle-meta {
  list-style: none; margin: 0; padding: 0;
  display: grid; grid-template-columns: 1fr 1fr; gap: 6px 12px;
}
.vehicle-meta.inline { display: flex; flex-wrap: wrap; gap: 18px; margin: 12px 0 22px; }
.vehicle-meta li { display: flex; flex-direction: column; }
.vehicle-meta span { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }
.vehicle-meta strong { font-size: 14px; }
.vehicle-desc { margin: 0; color: var(--muted); font-size: 14px; white-space: pre-line; }
.offer-btn { margin-top: auto; align-self: flex-start; }

.empty {
  background: var(--surface); border: 1px dashed var(--border);
  border-radius: var(--radius); padding: 40px; text-align: center; color: var(--muted);
}

/* --- Modal --- */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(0, 0, 0, .45);
  display: flex; align-items: center; justify-content: center; z-index: 50;
}
.modal-overlay[hidden] { display: none; }
.modal {
  background: var(--surface); border-radius: 14px; padding: 24px;
  width: 340px; max-width: 92vw; box-shadow: 0 16px 40px rgba(0, 0, 0, .3);
}
.modal h3 { margin: 0 0 4px; }
.modal-vehicle { margin: 0 0 16px; color: var(--muted); font-size: 14px; }
.modal form { display: flex; flex-direction: column; gap: 6px; }
.modal label { font-size: 13px; color: var(--muted); }
.modal input { padding: 10px 12px; border: 1px solid var(--border); border-radius: var(--radius); font-size: 15px; }
.modal input:focus { outline: none; border-color: var(--primary); }
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 14px; }
.modal-error { color: var(--danger); font-size: 13px; margin: 4px 0 0; }

/* --- Admin --- */
.admin-cards { display: grid; gap: 18px; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
.admin-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 22px; box-shadow: var(--shadow); display: flex; flex-direction: column; gap: 6px;
  color: var(--text);
}
.admin-card:hover { text-decoration: none; border-color: var(--primary); }
.admin-card-ico { font-size: 26px; }
.admin-card-title { font-weight: 700; font-size: 17px; }
.admin-card-desc { color: var(--muted); font-size: 14px; }

.admin-layout { display: grid; gap: 24px; grid-template-columns: 360px 1fr; align-items: start; }
@media (max-width: 820px) { .admin-layout { grid-template-columns: 1fr; } }

.panel {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 20px; box-shadow: var(--shadow);
}
.panel-title { margin: 0 0 16px; font-size: 17px; }

.merchant-form { display: flex; flex-direction: column; gap: 6px; }
.merchant-form label { font-size: 13px; color: var(--muted); margin-top: 6px; }
.merchant-form input { padding: 10px 12px; border: 1px solid var(--border); border-radius: var(--radius); }
.merchant-form input:focus { outline: none; border-color: var(--primary); }
.merchant-form .btn { margin-top: 14px; }

.table { width: 100%; border-collapse: collapse; }
.table th, .table td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--border); font-size: 14px; }
.table th { color: var(--muted); font-weight: 600; text-transform: uppercase; font-size: 11px; letter-spacing: .04em; }
.muted { color: var(--muted); }