:root {
    --bg-color: #0d0e12;
    --card-bg: #16181e;
    --accent-color: #d4af37;
    --text-primary: #f3f4f6;
    --text-secondary: #9ca3af;
    --border-color: #272a34;
    --font-body: 'Inter', system-ui, -apple-system, sans-serif;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-body);
    line-height: 1.6;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Header & Navigation */
.header {
    border-bottom: 1px solid var(--border-color);
    padding: 1.5rem 0;
    position: sticky;
    top: 0;
    background: rgba(13, 14, 18, 0.9);
    backdrop-filter: blur(10px);
    z-index: 100;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    letter-spacing: 2px;
}

.logo span { color: var(--accent-color); }

.navbar nav a {
    color: var(--text-secondary);
    text-decoration: none;
    margin-left: 1.5rem;
    transition: color 0.3s;
}

.navbar nav a:hover, .navbar nav a.active {
    color: var(--accent-color);
}

/* Hero Section */
.hero {
    text-align: center;
    margin: 3rem 0;
}

.hero h1 {
    font-size: 2.8rem;
    font-weight: 300;
    letter-spacing: 1px;
    margin-bottom: 0.5rem;
}

/* Formulaires & Inputs */
.search-box {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    padding: 1.5rem;
    border-radius: 12px;
    margin-bottom: 3rem;
}

.search-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
    margin-bottom: 1rem;
}

input, select, textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    background: #0d0e12;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    outline: none;
}

input:focus, select:focus, textarea:focus {
    border-color: var(--accent-color);
}

.search-actions {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
}

/* Boutons */
.btn {
    padding: 0.75rem 1.5rem;
    border-radius: 6px;
    text-decoration: none;
    cursor: pointer;
    border: none;
    font-weight: 500;
    transition: all 0.3s;
    display: inline-block;
    text-align: center;
}

.btn-primary { background: var(--accent-color); color: #000; }
.btn-primary:hover { background: #b5932a; }
.btn-secondary { background: transparent; border: 1px solid var(--border-color); color: var(--text-primary); }
.btn-secondary:hover { border-color: var(--accent-color); color: var(--accent-color); }
.btn-sm { padding: 0.4rem 0.9rem; font-size: 0.85rem; }

/* Grille uniforme (Galerie + Blog) */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2rem;
}

.art-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
    display: flex;
    flex-direction: column;
}

.art-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-color);
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.card-image {
    position: relative;
    height: 250px;
    overflow: hidden;
    background: #000;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}

.art-card:hover .card-image img {
    transform: scale(1.05);
}

.badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.75rem;
    text-transform: uppercase;
    font-weight: 600;
}

.badge-available { background: rgba(16, 185, 129, 0.9); color: #fff; }
.badge-sold { background: rgba(239, 68, 68, 0.9); color: #fff; }

.card-body {
    padding: 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.category {
    color: var(--accent-color);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.card-body h3, .card-body h2 {
    margin: 0.4rem 0;
    font-size: 1.3rem;
    font-weight: 600;
}

.meta {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 1.2rem;
}

.card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--border-color);
    padding-top: 1rem;
    margin-top: auto;
}

.price {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
}

/* Image de l'article seul (article.php) */
.article-hero-img {
    width: 100%;
    max-height: 480px;
    object-fit: cover;
    border-radius: 12px;
    margin-bottom: 2rem;
    border: 1px solid var(--border-color);
}