/* =========================================================
   ADMIN — styles du back-office
   ========================================================= */

:root {
    --admin-primaire: #1a2b4c;
    --admin-primaire-clair: #24365e;
    --admin-accent: #f4b400;
    --admin-accent-fonce: #d99c00;
    --admin-fond: #f4f6f9;
    --admin-texte: #2c2c2c;
    --admin-texte-clair: #6b7280;
    --admin-bordure: #e3e6ec;
    --admin-rayon: 8px;
    --admin-ombre: 0 2px 10px rgba(0,0,0,0.06);
    --admin-succes: #1c7a3e;
    --admin-danger: #c0392b;
}

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

body {
    font-family: 'Segoe UI', Arial, sans-serif;
    background: var(--admin-fond);
    color: var(--admin-texte);
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* ---------- LOGIN ---------- */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--admin-primaire), var(--admin-primaire-clair));
    padding: 20px;
}
.login-box {
    background: #fff;
    border-radius: 12px;
    padding: 44px 38px;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.25);
}
.login-box h1 {
    text-align: center;
    color: var(--admin-primaire);
    font-size: 22px;
    margin-bottom: 6px;
}
.login-box p.sous {
    text-align: center;
    color: var(--admin-texte-clair);
    font-size: 14px;
    margin-bottom: 28px;
}

/* ---------- LAYOUT ADMIN ---------- */
.admin-layout { display: flex; min-height: 100vh; }

.admin-sidebar {
    width: 250px;
    background: var(--admin-primaire);
    color: #cfd6e4;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
}
.admin-sidebar .logo {
    padding: 22px 20px;
    font-size: 18px;
    font-weight: 800;
    color: #fff;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}
.admin-sidebar .logo span { color: var(--admin-accent); }

.admin-nav { flex: 1; padding: 16px 0; overflow-y: auto; }
.admin-nav a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 22px;
    font-size: 14.5px;
    font-weight: 500;
    color: #cfd6e4;
    border-left: 3px solid transparent;
}
.admin-nav a:hover { background: rgba(255,255,255,0.06); color: #fff; }
.admin-nav a.actif { background: rgba(244,180,0,0.12); color: var(--admin-accent); border-left-color: var(--admin-accent); }
.admin-nav .groupe-titre {
    padding: 16px 22px 6px;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: #6f7aa0;
}

.admin-sidebar-footer { padding: 16px 22px; border-top: 1px solid rgba(255,255,255,0.08); font-size: 13px; }
.admin-sidebar-footer .role { color: var(--admin-accent); font-size: 11px; text-transform: uppercase; }

/* ---------- MAIN CONTENT ---------- */
.admin-main { flex: 1; min-width: 0; }

.admin-topbar {
    background: #fff;
    border-bottom: 1px solid var(--admin-bordure);
    padding: 16px 28px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.admin-topbar h2 { font-size: 19px; color: var(--admin-primaire); }
.admin-topbar .btn-logout {
    color: var(--admin-danger);
    font-size: 14px;
    font-weight: 600;
    border: 1px solid #f6c6c2;
    padding: 8px 16px;
    border-radius: var(--admin-rayon);
}
.admin-topbar .btn-logout:hover { background: #fdeceb; }

.admin-content { padding: 28px; }

/* ---------- WIDGETS ---------- */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 28px;
}
.stat-card {
    background: #fff;
    border-radius: var(--admin-rayon);
    padding: 22px;
    box-shadow: var(--admin-ombre);
    border-left: 4px solid var(--admin-accent);
}
.stat-card .valeur { font-size: 28px; font-weight: 800; color: var(--admin-primaire); }
.stat-card .label { font-size: 13px; color: var(--admin-texte-clair); margin-top: 4px; }

.card {
    background: #fff;
    border-radius: var(--admin-rayon);
    box-shadow: var(--admin-ombre);
    padding: 24px;
    margin-bottom: 24px;
}
.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 18px;
    flex-wrap: wrap;
    gap: 10px;
}
.card-header h3 { font-size: 17px; color: var(--admin-primaire); }

/* ---------- BOUTONS ---------- */
.btn {
    display: inline-block;
    padding: 10px 20px;
    border-radius: var(--admin-rayon);
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    border: none;
    transition: all 0.2s ease;
}
.btn-primary { background: var(--admin-primaire); color: #fff; }
.btn-primary:hover { background: var(--admin-primaire-clair); }
.btn-accent { background: var(--admin-accent); color: var(--admin-primaire); }
.btn-accent:hover { background: var(--admin-accent-fonce); }
.btn-danger { background: #fdeceb; color: var(--admin-danger); border: 1px solid #f6c6c2; }
.btn-danger:hover { background: #f8d7d3; }
.btn-sm { padding: 6px 12px; font-size: 12.5px; }
.btn-block { width: 100%; }

/* ---------- FORMULAIRES ---------- */
.form-group { margin-bottom: 18px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-group label { display: block; font-weight: 600; font-size: 13.5px; margin-bottom: 6px; color: var(--admin-primaire); }
.form-group input, .form-group select, .form-group textarea {
    width: 100%;
    padding: 10px 13px;
    border: 1px solid var(--admin-bordure);
    border-radius: var(--admin-rayon);
    font-size: 14px;
    font-family: inherit;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--admin-accent);
}
.form-help { font-size: 12px; color: var(--admin-texte-clair); margin-top: 4px; }

/* ---------- TABLEAUX ---------- */
table.table-admin { width: 100%; border-collapse: collapse; }
table.table-admin th {
    text-align: left;
    font-size: 12.5px;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    color: var(--admin-texte-clair);
    padding: 12px 14px;
    border-bottom: 2px solid var(--admin-bordure);
}
table.table-admin td {
    padding: 13px 14px;
    border-bottom: 1px solid var(--admin-bordure);
    font-size: 14px;
}
table.table-admin tr:hover td { background: #fafbfc; }

.badge {
    display: inline-block;
    padding: 4px 11px;
    border-radius: 20px;
    font-size: 11.5px;
    font-weight: 700;
    text-transform: uppercase;
}
.badge-vert { background: #e6f6ec; color: var(--admin-succes); }
.badge-rouge { background: #fdeceb; color: var(--admin-danger); }
.badge-jaune { background: rgba(244,180,0,0.15); color: var(--admin-accent-fonce); }
.badge-gris { background: #eef0f4; color: var(--admin-texte-clair); }

/* ---------- ALERTES ---------- */
.alert { padding: 13px 18px; border-radius: var(--admin-rayon); margin-bottom: 20px; font-size: 14px; }
.alert-success { background: #e6f6ec; color: var(--admin-succes); border: 1px solid #b9e6c8; }
.alert-error { background: #fdeceb; color: var(--admin-danger); border: 1px solid #f6c6c2; }

.actions-row { display: flex; gap: 8px; }

.empty-state { text-align: center; padding: 40px 20px; color: var(--admin-texte-clair); }

/* ---------- RESPONSIVE ---------- */
@media (max-width: 900px) {
    .admin-sidebar { display: none; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .form-row { grid-template-columns: 1fr; }
}