/* ═══════════════════════════════════════
   Diamond — Styles principaux
   ═══════════════════════════════════════ */

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

body {
    font-family: var(--font-body);
    background: var(--color-cream);
    color: var(--color-charcoal);
    -webkit-font-smoothing: antialiased;
    line-height: 1.6;
}

h1, h2, h3, h4 { font-family: var(--font-display); }

a { text-decoration: none; color: inherit; }

img { max-width: 100%; height: auto; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* ═══════ HEADER ═══════ */

.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255,255,255,0.88);
    backdrop-filter: blur(24px);
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 60px;
}

.logo {
    font-family: var(--font-display);
    font-size: 18px;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--color-accent);
}

.main-nav { display: flex; gap: 28px; }
.main-nav a {
    font-size: 13px;
    color: var(--color-smoke);
    transition: color 0.2s;
}
.main-nav a:hover { color: var(--color-accent); }

.header-actions { display: flex; gap: 10px; }

/* ═══════ BUTTONS ═══════ */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 22px;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 600;
    font-family: var(--font-body);
    cursor: pointer;
    border: none;
    transition: all 0.25s;
}
.btn-sm { padding: 7px 16px; font-size: 12px; }

.btn-brand {
    background: linear-gradient(135deg, var(--gradient-from), var(--gradient-to));
    color: #fff;
}
.btn-brand:hover { opacity: 0.9; transform: translateY(-1px); box-shadow: 0 8px 24px var(--glow-color-bright); }

.btn-outline {
    background: transparent;
    color: var(--color-accent);
    border: 1.5px solid var(--color-accent);
}
.btn-outline:hover { background: var(--color-accent); color: #fff; }

.btn-ghost {
    background: transparent;
    color: var(--color-smoke);
    border: 1px solid rgba(0,0,0,0.08);
}
.btn-ghost:hover { border-color: var(--color-accent); color: var(--color-accent); }

/* ═══════ FORMS ═══════ */

.input-field {
    width: 100%;
    padding: 12px 16px;
    border: 1.5px solid rgba(0,0,0,0.08);
    border-radius: 10px;
    font-size: 14px;
    font-family: var(--font-body);
    background: #fff;
    color: var(--color-charcoal);
    transition: all 0.25s;
}
.input-field:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px var(--glow-color-dim);
}

.label-field {
    display: block;
    font-size: 11px;
    font-weight: 600;
    color: var(--color-smoke);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 6px;
}

select.input-field { appearance: none; cursor: pointer; }

textarea.input-field { resize: vertical; min-height: 100px; }

/* ═══════ ALERTS ═══════ */

.alert {
    padding: 12px 16px;
    border-radius: 10px;
    font-size: 13px;
    margin-bottom: 16px;
}
.alert-success { background: #e8f5e9; color: #2e7d32; border: 1px solid #c8e6c9; }
.alert-error { background: #fce4ec; color: #c62828; border: 1px solid #f8bbd0; }

/* ═══════ HERO ═══════ */

.glow-orb {
    position: absolute;
    width: 500px; height: 500px;
    border-radius: 50%;
    background: var(--color-accent);
    opacity: 0.12;
    filter: blur(120px);
    top: -150px; right: -100px;
}

/* ═══════ SECTIONS ═══════ */

.section-title {
    font-family: var(--font-display);
    font-size: 24px;
    color: var(--color-charcoal);
    margin-bottom: 24px;
}

/* ═══════ CATÉGORIES ═══════ */

.cat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 14px;
}
.cat-card {
    background: #fff;
    border: 1px solid rgba(0,0,0,0.05);
    border-radius: 14px;
    padding: 24px 14px;
    text-align: center;
    transition: all 0.3s;
}
.cat-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.06);
    border-color: var(--color-accent-pale);
}

/* ═══════ ANNONCES GRID ═══════ */

.annonces-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.annonce-card {
    background: #fff;
    border: 1px solid rgba(0,0,0,0.05);
    border-radius: 14px;
    overflow: hidden;
    transition: all 0.35s;
    display: block;
}
.annonce-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 40px rgba(0,0,0,0.08), 0 0 20px var(--glow-color-dim);
}

.card-image {
    position: relative;
    aspect-ratio: 16/10;
    background: #f0f0f0;
    overflow: hidden;
}
.card-image img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}
.annonce-card:hover .card-image img { transform: scale(1.05); }

.card-no-image {
    width: 100%; height: 100%;
    display: flex; align-items: center; justify-content: center;
    font-size: 40px; opacity: 0.1;
}

.badge-boost {
    position: absolute; top: 10px; left: 10px;
    background: linear-gradient(135deg, var(--gradient-from), var(--gradient-to));
    color: #fff;
    font-size: 9px; font-weight: 700;
    padding: 4px 10px; border-radius: 6px;
    text-transform: uppercase; letter-spacing: 1px;
}

.card-prix {
    position: absolute; bottom: 10px; right: 10px;
    background: rgba(0,0,0,0.7);
    backdrop-filter: blur(8px);
    color: var(--color-accent-light);
    font-family: var(--font-display);
    font-size: 14px; font-weight: 700;
    padding: 4px 12px; border-radius: 8px;
}

.card-body { padding: 14px 16px; }

.card-title {
    font-size: 14px;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 6px;
}

.card-meta {
    display: flex; gap: 12px;
    font-size: 11px;
    color: var(--color-smoke);
}

.card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid rgba(0,0,0,0.05);
}
.card-marque {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-mist);
}
.card-vues { font-size: 10px; color: var(--color-mist); }

/* ═══════ STATUS BADGES ═══════ */

.status-badge {
    font-size: 10px;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: 20px;
    display: inline-block;
}
.status-publiee { background: #e8f5e9; color: #2e7d32; }
.status-en-attente { background: #fff8e1; color: #f57f17; }
.status-brouillon { background: #f3e5f5; color: #7b1fa2; }
.status-vendue { background: #e3f2fd; color: #1565c0; }
.status-refusee { background: #fce4ec; color: #c62828; }

/* ═══════ FOOTER ═══════ */

.site-footer {
    margin-top: 60px;
    padding: 50px 0 30px;
    background: var(--color-dark);
    border-top: 1px solid rgba(255,255,255,0.06);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 30px;
}

.footer-logo {
    font-family: var(--font-display);
    font-size: 18px;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--color-accent-light);
    margin-bottom: 10px;
}

.footer-desc {
    font-size: 12px;
    color: rgba(255,255,255,0.3);
    line-height: 1.6;
}

.footer-title {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: rgba(255,255,255,0.5);
    margin-bottom: 14px;
}

.site-footer a {
    display: block;
    font-size: 12px;
    color: rgba(255,255,255,0.3);
    margin-bottom: 8px;
    transition: color 0.2s;
}
.site-footer a:hover { color: var(--color-accent-light); }

.footer-bottom {
    text-align: center;
    font-size: 10px;
    letter-spacing: 1px;
    color: rgba(255,255,255,0.15);
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.06);
}

/* ═══════ ADMIN ═══════ */

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

.admin-sidebar {
    width: 240px;
    background: var(--color-dark);
    border-right: 1px solid rgba(255,255,255,0.06);
    position: fixed;
    top: 0; left: 0; bottom: 0;
    overflow-y: auto;
}

.admin-sidebar .sidebar-logo {
    padding: 20px;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.admin-sidebar .nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 11px 20px;
    color: rgba(255,255,255,0.4);
    font-size: 13px;
    transition: all 0.2s;
}
.admin-sidebar .nav-item:hover,
.admin-sidebar .nav-item.active {
    color: var(--color-accent);
    background: rgba(255,255,255,0.04);
}

.admin-main {
    margin-left: 240px;
    flex: 1;
    min-height: 100vh;
    background: var(--color-cream);
}

.admin-header {
    padding: 16px 30px;
    background: rgba(255,255,255,0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0,0,0,0.05);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.admin-content { padding: 30px; }

/* Admin cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 16px;
    margin-bottom: 30px;
}
.stat-card {
    background: #fff;
    border: 1px solid rgba(0,0,0,0.05);
    border-radius: 14px;
    padding: 20px;
    text-align: center;
}
.stat-value {
    font-family: var(--font-display);
    font-size: 28px;
    font-weight: 700;
    color: var(--color-accent);
}
.stat-label {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-smoke);
    margin-top: 4px;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
}
.data-table th {
    text-align: left;
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-smoke);
    padding: 10px 12px;
    border-bottom: 1px solid rgba(0,0,0,0.06);
}
.data-table td {
    padding: 12px;
    border-bottom: 1px solid rgba(0,0,0,0.04);
    font-size: 13px;
}
.data-table tr:hover { background: rgba(0,0,0,0.02); }

/* ═══════ HAMBURGER & MOBILE MENU ═══════ */

.desktop-only { display: flex; }
.mobile-only { display: none; }

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
    z-index: 110;
}
.hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--color-accent);
    border-radius: 2px;
    transition: all 0.3s;
}
.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

.header-icon {
    font-size: 18px;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
}

.badge-notif {
    position: absolute;
    top: -6px;
    right: -8px;
    background: var(--color-red);
    color: #fff;
    font-size: 9px;
    font-weight: 700;
    padding: 1px 5px;
    border-radius: 10px;
    line-height: 1.4;
}

.mobile-menu,
.mobile-overlay {
    display: none;
}

@media (max-width: 768px) {
    .mobile-menu {
        display: block;
        position: fixed;
        top: 0;
        right: -300px;
        width: 280px;
        height: 100vh;
        background: var(--color-dark);
        z-index: 200;
        transition: right 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        overflow-y: auto;
        box-shadow: -8px 0 30px rgba(0,0,0,0.3);
    }
    .mobile-menu.open { right: 0; }
    .mobile-overlay {
        display: none;
        position: fixed;
        inset: 0;
        background: rgba(0,0,0,0.5);
        z-index: 190;
        backdrop-filter: blur(4px);
    }
    .mobile-overlay.open { display: block; }
}

.mobile-menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}
.mobile-close {
    background: none;
    border: none;
    color: rgba(255,255,255,0.4);
    font-size: 20px;
    cursor: pointer;
    padding: 4px 8px;
}
.mobile-close:hover { color: var(--color-accent); }

.mobile-nav {
    padding: 10px 0;
}
.mobile-nav a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 24px;
    font-size: 14px;
    color: rgba(255,255,255,0.6);
    transition: all 0.2s;
    border-left: 3px solid transparent;
}
.mobile-nav a:hover,
.mobile-nav a:active {
    color: var(--color-accent-light);
    background: rgba(255,255,255,0.04);
    border-left-color: var(--color-accent);
}
.mobile-sep {
    height: 1px;
    background: rgba(255,255,255,0.06);
    margin: 6px 20px;
}

/* ═══════ RESPONSIVE ═══════ */

@media (max-width: 768px) {
    .desktop-only { display: none !important; }
    .mobile-only { display: flex !important; }
    .hamburger { display: flex; }

    .header-inner { height: 56px; }

    .container { padding: 0 16px; }

    .footer-grid { grid-template-columns: 1fr; gap: 24px; }
    .annonces-grid { grid-template-columns: 1fr; }
    .cat-grid { grid-template-columns: repeat(3, 1fr); gap: 8px; }
    .cat-card { padding: 14px 8px; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }

    .section-title { font-size: 20px; }

    /* Hero mobile */
    .hero { padding: 50px 0 !important; }

    /* Admin responsive */
    .admin-sidebar {
        position: fixed;
        top: 0;
        left: -260px;
        width: 240px;
        z-index: 150;
        transition: left 0.3s;
    }
    .admin-sidebar.open { left: 0; }
    .admin-main { margin-left: 0; }
    .admin-content { padding: 16px; }
    .admin-header { padding: 12px 16px; }

    /* Tables scroll horizontal */
    .data-table { display: block; overflow-x: auto; white-space: nowrap; }

    /* Formulaires */
    [style*="grid-template-columns: 1fr 1fr 1fr"],
    [style*="grid-template-columns:1fr 1fr 1fr"] {
        grid-template-columns: 1fr !important;
    }
    [style*="grid-template-columns: 1.4fr 1fr"],
    [style*="grid-template-columns:1.4fr 1fr"],
    [style*="grid-template-columns: 2fr 1fr"],
    [style*="grid-template-columns:2fr 1fr"],
    [style*="grid-template-columns: 1fr 1fr"],
    [style*="grid-template-columns:1fr 1fr"] {
        grid-template-columns: 1fr !important;
    }
    [style*="grid-template-columns: 1fr 1.5fr"],
    [style*="grid-template-columns:1fr 1.5fr"] {
        grid-template-columns: 1fr !important;
    }

    /* Messagerie mobile */
    [style*="grid-template-columns: 1fr 1.5fr"] {
        grid-template-columns: 1fr !important;
    }
}

@media (max-width: 480px) {
    .cat-grid { grid-template-columns: repeat(2, 1fr); }
    .stats-grid { grid-template-columns: 1fr; }
    .logo { font-size: 15px; letter-spacing: 2px; }

    .btn-sm { padding: 6px 12px; font-size: 11px; }
}