:root {
    --primary-color: #D4AF37; /* ذهبي */
    --secondary-color: #000000;
    --light-bg: #ffffff; /* خلفية نهارية بيضاء */
    --dark-bg: #1a1a1a; /* خلفية داكنة */
    --dark-card: #2d2d2d; /* خلفية بطاقات في الداكن */
    --dark-border: #555;
    --light-border: #ccc;
    --text-color-light: #333333; /* نص نهاري */
    --text-color-dark: #ffffff; /* نص داكن */
    --sidebar-width: 280px;
}

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

body {
    font-family: 'Tajawal', sans-serif;
    background: var(--light-bg);
    color: var(--text-color-light);
    transition: all 0.3s;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* الوضع الليلي */
body.dark-mode {
    background: var(--dark-bg);
    color: var(--text-color-dark);
}

/* البحث */
.search-container {
    padding: 10px 20px;
    text-align: center;
}

.search-container input {
    width: 90%;
    max-width: 400px;
    padding: 10px;
    font-size: 14px;
    border: 1px solid var(--light-border);
    border-radius: 25px;
    outline: none;
    background-color: #fff;
    color: var(--light-text);
    transition: all 0.3s ease;
}

body.dark-mode .search-container input {
    background-color: #2a2a2a;
    color: var(--dark-text);
    border: 1px solid var(--dark-border);
}

/* عناوين الأقسام */
.container h2 {
    position: relative;
    text-align: center;
    color: var(--primary-color);
    font-weight: bold;
    margin: 40px 0 20px 0;
}

.container h2::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background-color: var(--primary-color);
}

/* الخلفيات العامة */
.container {
    background-color: var(--light-bg);
    transition: background-color 0.3s, color 0.3s;
}

body.dark-mode .container {
    background-color: var(--dark-bg);
    color: var(--text-color-dark);
}

/* المحتوى الرئيسي */
.main-content {
    flex-grow: 1;
    padding: 20px;
    margin-top: 5px;
    transition: margin-left 0.4s;
    background-color: var(--light-bg);
    color: var(--text-color-light);
    transition: background-color 0.3s, color 0.3s;
}

body.dark-mode .main-content {
    background-color: #1e1e1e;
    color: var(--text-color-dark);
}

/* البنر */
.banner-wrapper {
    padding: 0 10px;
    overflow: hidden;
    box-sizing: border-box;
    margin-bottom: 20px;
    margin-top: 10px;
}

.banner-swiper {
    width: 100%;
    height: 200px;
    aspect-ratio: 16 / 5;
    border-radius: 12px;
}

.banner-swiper .swiper-slide img {
    width: 100%;
    height: 200px;
    object-fit: contain;
    border-radius: 12px;
    display: block;
    transition: border-color 0.3s;
}

body.dark-mode .banner-swiper .swiper-slide img {
    border: 2px solid #333;
}

/* البطاقات */
.card {
    background: var(--light-bg);
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.05);
    color: var(--secondary-color);
    transition: background-color 0.3s, box-shadow 0.3s, color 0.3s;
}

body.dark-mode .card {
    background: var(--dark-card);
    box-shadow: 0 3px 10px rgba(0,0,0,0.2);
    color: var(--text-color-dark);
}

.card h2 {
    color: var(--primary-color);
    margin-bottom: 15px;
    font-size: 20px;
}

/* أقسام العناصر */
.sections-container {
    padding: 20px 10px;
}

.section {
    margin-bottom: 8px;
    background: var(--light-bg);
    border-radius: 30px;
    padding: 15px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    color: var(--secondary-color);
    transition: background-color 0.3s, box-shadow 0.3s, color 0.3s;
}

body.dark-mode .section {
    background: var(--dark-card);
    box-shadow: 0 2px 10px rgba(0,0,0,0.2);
    color: var(--text-color-dark);
}

.section-title {
    background-color: #f9f9f9;
    color: var(--primary-color);
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid rgba(212, 175, 55, 0.3);
}

body.dark-mode .section-title {
    background-color: #4a4a4a; /* لون داكن مناسب */
}

/* شبكة العناصر */
.items-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
    gap: 5px;
    padding: 0 5px;
}

/* بطاقة العنصر */
.item-card {
    border: 1px solid #ddd;
    border-radius: 8px;
    overflow: hidden;
    position: relative;
    transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
    cursor: pointer;
    background-color: var(--light-bg);
    color: var(--secondary-color);
}

body.dark-mode .item-card {
    border-color: #444;
    background-color: var(--dark-card);
    color: var(--text-color-dark);
}

.item-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.item-image {
    width: 100%;
    height: 160px;
    object-fit: cover;
}

.item-details {
    background-color: #f9f9f9;
    padding: 5px;
}
body.dark-mode .item-details {
    background-color: var(--dark-bg); /* لون غامق يناسب الوضع الليلي */
}

.item-details h3 {
    color: var(--primary-color);
    font-size: 16px;
    margin-bottom: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-align: center;
    text-overflow: ellipsis;
}

/* زر المفضلة */
.favorite-btn {
    position: absolute;
    top: 5px;
    left: 5px;
    background: rgba(0,0,0,0.5);
    border: none;
    color: white;
    width: 25px;
    height: 25px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
    transition: background-color 0.3s;
}

.favorite-btn:hover {
    background: rgba(0,0,0,0.7);
}

.favorite-btn i {
    font-size: 12px;
}


.item-wrapper {
    position: relative;
}

.grayscale {
    filter: grayscale(100%);
    opacity: 0.6;
}

/* شارة "غير متاح" بشكل مائل */
.ribbon {
    width: 120px;
    height: 120px;
    overflow: hidden;
    position: absolute;
    top: -5px;
    right: -5px;
    z-index: 2;
}

.ribbon span {
    position: absolute;
    display: block;
    width: 160px;
    padding: 8px 0;
    background: #e53935;
    color: white;
    text-align: center;
    font-size: 14px;
    font-weight: bold;
    transform: rotate(45deg);
    top: 30px;
    right: -40px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.3);
}


.custom-select {
    width: 100%;
    padding: 14px 12px 10px;
    font-size: 1rem;
    border: 1px solid #999;
    border-radius: 8px;
    background-color: #111;
    color: #fff;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml;charset=US-ASCII,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24'%3E%3Cpath fill='%23888' d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 12px auto;
    padding-right: 36px;
    margin-bottom: 20px;
}


/* تكيّف الشاشات الصغيرة */
@media (max-width: 768px) {
    .items-grid {
        grid-template-columns: repeat(3, 1fr);
        
    }

    .item-details h3 {
        font-size: 13px;
    }
    .item-image {
        height: 140px;
    }

    .banner-swiper {
        height: 120px;
    }

    .banner-swiper .swiper-slide img {
        height: 120px;
        object-fit: cover;
    }
    
    .sidebar {
        width: 260px;
        left: -260px;
    }
    
    .sidebar.active ~ .main-content {
        margin-left: 0;
    }
}