:root {
    --primary: #0f172a;
    --accent: #3b82f6;
    --success: #10b981;
    --warning: #f59e0b;
    --bg-gray: #f1f5f9;
    --sidebar-bg: #ffffff;
    --card-bg: #ffffff;
    --text-main: #334155;
    --text-light: #64748b;
    --border-radius: 16px;
    --border-color: #e2e8f0;
}

* { box-sizing: border-box; margin: 0; padding: 0; outline: none; font-family: 'Vazirmatn', sans-serif; text-decoration: none; }

body { background-color: var(--bg-gray); color: var(--text-main); display: flex; height: 100vh; overflow: hidden; }

/* --- Mobile Menu Button (اضافه شد) --- */
.mobile-menu-btn { display: none; position: fixed; top: 20px; right: 20px; z-index: 1001; background: white; border: none; width: 45px; height: 45px; border-radius: 12px; box-shadow: 0 4px 15px rgba(0,0,0,0.1); color: var(--accent); font-size: 20px; cursor: pointer; align-items: center; justify-content: center; }
.overlay { display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0, 0, 0, 0.4); backdrop-filter: blur(2px); z-index: 1002; }
.overlay.active { display: block; }

/* --- Sidebar --- */
.sidebar { 
    width: 260px; 
    background-color: var(--sidebar-bg); 
    border-left: 1px solid var(--border-color); 
    display: flex; 
    flex-direction: column; 
    padding: 20px; 
    z-index: 1003; /* اصلاح شد */
}
.sidebar.active {
    transform: translateX(0) !important;
}
.brand-logo { font-size: 22px; font-weight: 800; color: var(--accent); display: flex; align-items: center; justify-content: center; gap: 10px; margin-bottom: 40px; padding-bottom: 20px; border-bottom: 1px solid #f1f5f9; }
.nav-menu { display: flex; flex-direction: column; gap: 10px; flex: 1; }
.nav-item { display: flex; align-items: center; gap: 12px; padding: 12px 15px; border-radius: 12px; color: var(--text-light); font-weight: 500; font-size: 14px; transition: 0.2s; cursor: pointer; }
.nav-item:hover { background-color: #f1f5f9; color: var(--accent); transform: translateX(-5px); }
.nav-item.active { background-color: #eff6ff; color: var(--accent); font-weight: 700; }
.nav-item i { width: 20px; text-align: center; font-size: 18px; }
.sidebar-footer { margin-top: auto; border-top: 1px solid #f1f5f9; padding-top: 20px; display: flex; align-items: center; gap: 10px; }
.user-avatar { width: 40px; height: 40px; background: #eff6ff; color: var(--accent); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold; }

/* --- Main Content --- */
.main-content { flex: 1; padding: 30px; overflow-y: auto; display: flex; flex-direction: column; gap: 20px; }

/* Header & Toolbar */
.page-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
.header-title { font-size: 24px; font-weight: 800; color: var(--primary); }
.header-actions { display: flex; gap: 15px; align-items: center; }
.icon-btn { width: 40px; height: 40px; border-radius: 12px; background: white; border: 1px solid var(--border-color); display: flex; align-items: center; justify-content: center; color: var(--text-light); cursor: pointer; transition: 0.2s; position: relative; }
.icon-btn:hover { border-color: var(--accent); color: var(--accent); }
.badge { position: absolute; top: -5px; right: -5px; background: var(--warning); color: white; font-size: 10px; padding: 2px 6px; border-radius: 10px; }

.toolbar { display: flex; justify-content: space-between; align-items: center; gap: 20px; background: white; padding: 15px; border-radius: 16px; border: 1px solid var(--border-color); }
.search-box { position: relative; flex: 1; max-width: 400px; }
.search-box input { width: 100%; padding: 12px 40px 12px 15px; border-radius: 12px; border: 2px solid #f1f5f9; background: #f8fafc; font-family: inherit; transition: 0.3s; }
.search-box input:focus { border-color: var(--accent); background: white; }
.search-box i { position: absolute; right: 15px; top: 50%; transform: translateY(-50%); color: var(--text-light); }

.categories { display: flex; gap: 10px; }
.chip { padding: 8px 16px; background: #f1f5f9; border: 1px solid var(--border-color); border-radius: 12px; font-size: 0.85rem; color: var(--text-main); cursor: pointer; transition: 0.2s; }
.chip:hover { background: #e2e8f0; }
.chip.active { background: var(--primary); color: #fff; border-color: var(--primary); }

.filter-btn { padding: 10px 20px; background: white; border: 1px solid var(--border-color); border-radius: 12px; cursor: pointer; display: flex; align-items: center; gap: 8px; font-weight: bold; color: var(--text-main); transition: 0.2s; }
.filter-btn:hover { border-color: var(--accent); color: var(--accent); }

/* Hero Section */
.hero-card { background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%); border-radius: 20px; padding: 30px; color: #fff; display: flex; align-items: center; justify-content: space-between; position: relative; overflow: hidden; box-shadow: 0 10px 20px -5px rgba(15, 23, 42, 0.3); min-height: 180px; }
.hero-content { z-index: 2; max-width: 60%; }
.hero-tag { background: rgba(255,255,255,0.2); padding: 6px 12px; border-radius: 8px; font-size: 0.8rem; margin-bottom: 15px; display: inline-block; backdrop-filter: blur(5px); }
.hero-title { font-size: 1.5rem; font-weight: 800; margin-bottom: 20px; }
.hero-btn { background: var(--success); color: #fff; border: none; padding: 10px 25px; border-radius: 10px; font-size: 0.9rem; font-weight: bold; cursor: pointer; transition: 0.2s; }
.hero-btn:hover { filter: brightness(1.1); transform: translateY(-2px); }
.hero-image { width: 120px; height: 120px; border-radius: 50%; border: 4px solid rgba(255,255,255,0.2); object-fit: cover; z-index: 2; box-shadow: 0 0 20px rgba(0,0,0,0.3); }

/* Product Grid */
.section-header { display: flex; justify-content: space-between; align-items: center; margin-top: 10px; }
.section-title { font-size: 1.1rem; font-weight: 800; color: var(--primary); }
.view-all { color: var(--accent); font-size: 0.9rem; font-weight: 600; cursor: pointer; }

.product-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 25px; }
.product-card { background: var(--card-bg); border-radius: 20px; border: 1px solid var(--border-color); padding: 15px; display: flex; flex-direction: column; gap: 15px; transition: 0.3s; position: relative; }
.product-card:hover { transform: translateY(-5px); box-shadow: 0 15px 30px -10px rgba(0,0,0,0.1); border-color: var(--accent); }

.product-thumb-area { position: relative; width: 100%; height: 160px; border-radius: 15px; overflow: hidden; }
.product-thumb { width: 100%; height: 100%; object-fit: cover; transition: 0.5s; }
.product-card:hover .product-thumb { transform: scale(1.05); }

.bookmark-btn { position: absolute; top: 10px; right: 10px; width: 32px; height: 32px; background: rgba(255,255,255,0.9); backdrop-filter: blur(4px); border-radius: 8px; display: flex; align-items: center; justify-content: center; color: var(--text-light); cursor: pointer; z-index: 2; transition: 0.2s; }
.bookmark-btn:hover { background: white; color: var(--accent); }
.bookmark-btn.saved { color: var(--accent); }

.play-overlay { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); width: 40px; height: 40px; background: rgba(0,0,0,0.6); border-radius: 50%; display: flex; align-items: center; justify-content: center; color: white; backdrop-filter: blur(2px); opacity: 0.8; transition: 0.2s; }
.product-card:hover .play-overlay { opacity: 1; transform: translate(-50%, -50%) scale(1.1); }

.product-info { flex: 1; display: flex; flex-direction: column; gap: 10px; }
.product-title { font-size: 1rem; font-weight: 800; color: var(--text-main); line-height: 1.5; }

.guest-info { display: flex; align-items: center; gap: 10px; padding-bottom: 10px; border-bottom: 1px dashed var(--border-color); }
.guest-icon { color: var(--accent); background: #eff6ff; width: 30px; height: 30px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 0.8rem; }
.guest-details { display: flex; flex-direction: column; }
.guest-name { font-size: 0.8rem; font-weight: 700; color: var(--text-main); }
.guest-role { font-size: 0.7rem; color: var(--text-light); }

.product-footer { display: flex; justify-content: space-between; align-items: center; margin-top: auto; }
.rating-box { display: flex; align-items: center; gap: 5px; font-size: 0.8rem; color: var(--text-main); background: #fffbeb; padding: 4px 8px; border-radius: 8px; border: 1px solid #fef3c7; }
.star { color: var(--warning); }
.product-price { font-weight: 800; color: var(--success); font-size: 1.1rem; }

.action-btn { width: 36px; height: 36px; border-radius: 10px; background: var(--primary); color: #fff; display: flex; align-items: center; justify-content: center; border: none; cursor: pointer; transition: 0.2s; }
.action-btn:hover { background: var(--accent); }
.price-purchased { font-size: 0.8rem; color: var(--success); font-weight: bold; display: flex; align-items: center; gap: 5px; background: #dcfce7; padding: 5px 10px; border-radius: 8px; }
.action-btn.purchased { background: #cbd5e1; color: white; cursor: default; }

/* Modal */
.modal-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0, 0, 0, 0.5); z-index: 999; opacity: 0; pointer-events: none; transition: 0.3s; backdrop-filter: blur(3px); }
.modal-overlay.open { opacity: 1; pointer-events: auto; }

.filter-modal { position: fixed; top: 50%; left: 50%; transform: translate(-50%, -50%) scale(0.9); background: white; padding: 30px; border-radius: 24px; width: 400px; box-shadow: 0 20px 50px rgba(0,0,0,0.2); z-index: 1000; opacity: 0; pointer-events: none; transition: 0.3s cubic-bezier(0.34, 1.56, 0.64, 1); }
.filter-modal.open { transform: translate(-50%, -50%) scale(1); opacity: 1; pointer-events: auto; }

.modal-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 25px; }
.modal-title { font-weight: 800; font-size: 1.2rem; color: var(--primary); }
.close-modal { cursor: pointer; color: var(--text-light); font-size: 1.2rem; transition: 0.2s; }
.close-modal:hover { color: var(--accent); }

.filter-group { margin-bottom: 25px; }
.filter-label { font-size: 0.95rem; font-weight: bold; margin-bottom: 12px; display: block; color: var(--text-main); }
.filter-options { display: flex; gap: 10px; flex-wrap: wrap; }

.modal-filter-chip { padding: 10px 18px; border: 2px solid #f1f5f9; border-radius: 12px; font-size: 0.9rem; color: var(--text-light); cursor: pointer; transition: 0.2s; font-weight: 500; }
.modal-filter-chip:hover { border-color: #cbd5e1; }
.modal-filter-chip.selected { background: #eff6ff; border-color: var(--accent); color: var(--accent); font-weight: bold; }

.apply-btn { width: 100%; background: var(--primary); color: white; padding: 15px; border-radius: 14px; border: none; font-size: 1rem; font-weight: bold; cursor: pointer; transition: 0.2s; box-shadow: 0 4px 12px rgba(15, 23, 42, 0.2); }
.apply-btn:hover { background: var(--accent); transform: translateY(-2px); }

/* --- Responsive (اضافه شد) --- */
@media (max-width: 768px) {
    body { display: block; overflow: auto; }
    .mobile-menu-btn { display: flex; }
    .sidebar { position: fixed; top: 0; right: 0; height: 100vh; width: 280px; transform: translateX(100%); box-shadow: -5px 0 20px rgba(0,0,0,0.1); z-index: 1003 !important; }
    .main-content { padding: 80px 20px 20px 20px; height: auto; overflow: visible; }
    .page-header { flex-direction: column; align-items: flex-start; gap: 15px; }
    
    .toolbar { flex-direction: column; align-items: stretch; gap: 15px; }
    .categories { overflow-x: auto; padding-bottom: 5px; }
    .search-box { max-width: 100%; }
    
    .hero-card { flex-direction: column; align-items: flex-start; gap: 20px; padding: 20px; }
    .hero-content { max-width: 100%; }
    .hero-image { position: absolute; bottom: -20px; left: -20px; opacity: 0.5; width: 150px; height: 150px; }
    
    .product-grid { grid-template-columns: 1fr; }
}