:root {
    /* Palette officielle monecoleci.net, extraite du logo */
    --primary: #002E70;       /* bleu marine (m, textes) */
    --primary-dark: #00204E;  /* marine plus foncé, pour le fond de la sidebar */
    --accent: #00ADFA;        /* bleu ciel (wifi, ruban) */
    --gold: #FDC701;          /* or (point, feuille) */
    --bg: #f4f6f7;
    --border: #dde3e5;
    --text: #22303a;
    --danger: #b3261e;
    --success: #1b7a3d;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
}

.layout { display: flex; min-height: 100vh; }

.sidebar {
    width: 230px;
    background: var(--primary-dark);
    color: #fff;
    padding: 20px 0;
    flex-shrink: 0;
}
.sidebar h2 { font-size: 15px; padding: 0 20px 16px; opacity: .85; }
.sidebar a {
    display: block;
    color: #d9e6ea;
    text-decoration: none;
    padding: 10px 20px;
    font-size: 14px;
    border-left: 3px solid transparent;
}
.sidebar a:hover { background: rgba(255,255,255,.08); }
.sidebar a.active { background: rgba(255,255,255,.08); border-left-color: var(--gold); color: #fff; }

.main { flex: 1; padding: 24px 32px; max-width: 1100px; }

.topbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; }
.topbar form { margin: 0; }

.card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 18px 20px;
    margin-bottom: 18px;
}

.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 14px; margin-bottom: 24px; }
.stat-card { background: #fff; border: 1px solid var(--border); border-top: 3px solid var(--gold); border-radius: 8px; padding: 16px; text-align: center; }
.stat-card .value { font-size: 26px; font-weight: 700; color: var(--primary); }
.stat-card .label { font-size: 13px; color: #667; margin-top: 4px; }

table { width: 100%; border-collapse: collapse; background: #fff; }
th, td { padding: 8px 10px; border-bottom: 1px solid var(--border); text-align: left; font-size: 14px; }
th { background: #eef2f3; font-weight: 600; }

input, select, textarea {
    padding: 8px 10px; border: 1px solid var(--border); border-radius: 6px; font-size: 14px; width: 100%;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 2px rgba(0,173,250,.2); }
label { font-size: 13px; font-weight: 600; display: block; margin-bottom: 4px; margin-top: 10px; }

.btn {
    display: inline-block; background: var(--primary); color: #fff; border: none;
    padding: 9px 16px; border-radius: 6px; font-size: 14px; cursor: pointer; text-decoration: none;
}
.btn:hover { background: var(--primary-dark); }
.btn-secondary { background: var(--accent); color: #fff; }
.btn-secondary:hover { background: #0090d4; }
.btn-danger { background: var(--danger); }

.badge { padding: 2px 8px; border-radius: 12px; font-size: 12px; font-weight: 600; }
.badge-ouverte { background: #fff3cd; color: #8a6100; }
.badge-cloturee { background: #e2e3e5; color: #41494d; }
.badge-validee { background: #d4edda; color: var(--success); }
.badge-en_verification { background: #e3f4fe; color: #006aa3; }

.flash { padding: 10px 14px; border-radius: 6px; margin-bottom: 14px; font-size: 14px; }
.flash-success { background: #d4edda; color: var(--success); }
.flash-error { background: #f8d7da; color: var(--danger); }

.login-box {
    max-width: 380px; margin: 80px auto; background: #fff; padding: 30px;
    border-radius: 10px; border: 1px solid var(--border);
}

.acte-a4 { max-width: 800px; margin: 0 auto; }

/* ============================================================
   RESPONSIVE / MOBILE
   ============================================================ */

/* Menu tiroir (checkbox CSS pur, aucun JavaScript nécessaire) */
.nav-toggle-checkbox { display: none; }
.nav-burger, .nav-close { display: none; }
.nav-overlay { display: none; }

/* Tables : autoriser le défilement horizontal plutôt que de casser la mise en page */
.card { overflow-x: auto; }

@media (max-width: 820px) {
    .layout { flex-direction: column; }

    .sidebar {
        position: fixed;
        top: 0; left: 0;
        height: 100vh;
        width: 250px;
        max-width: 80vw;
        transform: translateX(-100%);
        transition: transform .25s ease;
        z-index: 1000;
        overflow-y: auto;
    }
    .nav-toggle-checkbox:checked ~ .layout .sidebar {
        transform: translateX(0);
        box-shadow: 4px 0 18px rgba(0,0,0,.25);
    }
    .nav-close {
        display: block;
        text-align: right;
        color: #fff;
        font-size: 20px;
        padding: 4px 20px 12px;
        cursor: pointer;
    }
    .nav-burger {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 40px; height: 40px;
        font-size: 22px;
        cursor: pointer;
        color: var(--text);
        flex-shrink: 0;
    }
    .nav-overlay {
        display: none;
        position: fixed; inset: 0;
        background: rgba(0,0,0,.4);
        z-index: 999;
    }
    .nav-toggle-checkbox:checked ~ .nav-overlay { display: block; }

    .main { padding: 16px; max-width: 100%; }

    .topbar { flex-wrap: wrap; gap: 10px; }

    /* Empile toutes les grilles/lignes de formulaire en une seule colonne */
    [style*="grid-template-columns"] { grid-template-columns: 1fr !important; }
    [style*="display:flex"], [style*="display: flex"] { flex-wrap: wrap !important; }

    /* Zones tactiles plus grandes, et taille de police 16px sur les champs
       pour éviter le zoom automatique de Safari/iOS au focus */
    input, select, textarea { font-size: 16px; padding: 10px 12px; }
    .btn, button { padding: 11px 16px; font-size: 15px; }
    table { font-size: 13px; }
    th, td { padding: 8px 6px; }

    .stat-grid { grid-template-columns: repeat(2, 1fr); }

    .login-box { margin: 40px auto; max-width: 90vw; }
}

@media (max-width: 420px) {
    .stat-grid { grid-template-columns: 1fr; }
}