/* ===========================
   AMBIOS.org - layout.css
   Structure du site : header, navbar, sidebar, footer
   Inspiré du logo AMBIOS/MABB
   =========================== */

/* ---------- Header principal ---------- */
.site-header {
    height: 70px;
    background-color: var(--color-bg-alt);
    border-bottom: 4px solid var(--color-primary); /* Vert Mali */
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.5rem;
    box-shadow: var(--shadow-soft);
}

.site-header .logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.site-header .logo img {
    height: 48px;
}

.site-header .title {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--color-dark);
}

/* ---------- Navbar (menu horizontal) ---------- */
.navbar {
    background-color: var(--color-primary); /* Vert Mali */
    padding: 0.6rem 1.5rem;
    display: flex;
    gap: 1.5rem;
}

.navbar a {
    color: #fff;
    font-weight: 500;
    padding: 0.4rem 0.6rem;
    border-radius: var(--radius-sm);
    transition: 0.2s ease;
}

.navbar a:hover {
    background-color: var(--color-secondary); /* Jaune AMBIOS */
    color: var(--color-dark);
}

/* ---------- Sidebar (admin / membres) ---------- */
.sidebar {
    width: 260px;
    background-color: var(--color-bg-alt);
    border-right: 3px solid var(--color-secondary); /* Jaune AMBIOS */
    padding: 1rem;
    position: fixed;
    top: var(--header-height);
    bottom: 0;
    overflow-y: auto;
    box-shadow: var(--shadow-soft);
}

.sidebar h3 {
    color: var(--color-dark);
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.sidebar a {
    display: block;
    padding: 0.5rem 0.75rem;
    margin-bottom: 0.3rem;
    border-radius: var(--radius-sm);
    color: var(--color-dark);
    transition: 0.2s ease;
}

.sidebar a:hover {
    background-color: var(--color-primary);
    color: #fff;
}

/* ---------- Contenu principal ---------- */
.main-content {
    margin-left: 260px;
    padding: 1.5rem;
}

/* ---------- Footer ---------- */
.site-footer {
    background-color: var(--color-bg-alt);
    border-top: 4px solid var(--color-secondary); /* Jaune AMBIOS */
    padding: 1.5rem;
    text-align: center;
    color: var(--color-muted);
    margin-top: 2rem;
}

/* ---------- Breadcrumb (fil d’Ariane) ---------- */
.breadcrumb {
    margin-bottom: 1rem;
    font-size: 0.9rem;
    color: var(--color-muted);
}

.breadcrumb a {
    color: var(--color-primary);
}

.breadcrumb span {
    margin: 0 0.3rem;
}

/* ---------- Layout responsive ---------- */
@media (max-width: 900px) {
    .sidebar {
        position: static;
        width: 100%;
        border-right: none;
        border-bottom: 3px solid var(--color-secondary);
    }

    .main-content {
        margin-left: 0;
    }

    .navbar {
        flex-wrap: wrap;
    }
}