/**
 * تصميم محسّن لقسم الفلاتر - متوافق مع جميع الشاشات
 */

/* قسم الفلاتر الرئيسي */
.filters-section {
    background: white;
    padding: 1.5rem;
    border-radius: 16px;
    box-shadow: 0 2px 15px rgba(0,0,0,0.08);
    margin-bottom: 2rem;
}

/* صندوق البحث */
.search-box {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    width: 100%;
}

.search-box input {
    flex: 1;
    padding: 0.875rem 1.25rem;
    border: 2px solid #e5e7eb;
    border-radius: 12px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: #f9fafb;
    color: #1f2937;
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary-color, #007bff);
    background: white;
    box-shadow: 0 0 0 4px rgba(0, 123, 255, 0.1);
    transform: translateY(-1px);
}

.search-box input::placeholder {
    color: #9ca3af;
}

.search-box button {
    padding: 0.875rem 1.5rem;
    background: linear-gradient(135deg, var(--primary-color, #007bff), var(--accent-color, #28a745));
    color: white;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 60px;
    font-size: 1.1rem;
    box-shadow: 0 4px 12px rgba(0, 123, 255, 0.2);
}

.search-box button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(0, 123, 255, 0.3);
}

.search-box button:active {
    transform: translateY(0);
}

/* أزرار التبديل بين العرض المجمع والبسيط */
.view-toggle {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    justify-content: center;
    background: #f9fafb;
    padding: 0.5rem;
    border-radius: 12px;
}

.toggle-btn {
    flex: 1;
    padding: 0.75rem 1.25rem;
    border: 2px solid transparent;
    background: transparent;
    color: #6b7280;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 600;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.toggle-btn i {
    font-size: 1rem;
}

.toggle-btn.active {
    background: linear-gradient(135deg, var(--primary-color, #007bff), var(--accent-color, #28a745));
    color: white;
    border-color: transparent;
    box-shadow: 0 4px 12px rgba(0, 123, 255, 0.2);
}

.toggle-btn:hover:not(.active) {
    background: #e5e7eb;
    color: #374151;
}

/* قسم الفئات */
.category-filters {
    margin-top: 1rem;
}

/* زر جميع الفئات */
.all-categories-btn {
    width: 100%;
    padding: 0.875rem 1.5rem;
    background: linear-gradient(135deg, #6b7280, #4b5563);
    color: white;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 600;
    font-size: 1rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 4px 12px rgba(107, 114, 128, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.all-categories-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(107, 114, 128, 0.3);
    background: linear-gradient(135deg, #4b5563, #374151);
}

.all-categories-btn.active {
    background: linear-gradient(135deg, var(--accent-color, #28a745), #20c997);
    box-shadow: 0 4px 12px rgba(40, 167, 69, 0.3);
}

/* مجموعات الفئات */
.category-groups {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: flex-start;
    align-items: flex-start;
}

.category-group {
    position: relative;
    display: inline-block;
}

.group-button {
    background: linear-gradient(135deg, var(--primary-color, #007bff), var(--accent-color, #28a745));
    color: white;
    border: none;
    padding: 0.75rem 1.25rem;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 600;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    min-width: auto;
    white-space: nowrap;
    justify-content: space-between;
    box-shadow: 0 4px 12px rgba(0, 123, 255, 0.2);
}

.group-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(0, 123, 255, 0.3);
}

.group-button.active {
    background: linear-gradient(135deg, #0056b3, #1e7e34);
}

.group-button .arrow {
    transition: transform 0.3s ease;
    font-size: 0.85rem;
}

.group-button.active .arrow {
    transform: rotate(180deg);
}

/* القائمة المنسدلة */
.group-dropdown {
    position: absolute;
    top: calc(100% + 0.5rem);
    left: 50%;
    transform: translateX(-50%) translateY(-10px);
    background: white;
    border-radius: 10px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
    border: 1px solid #e5e7eb;
    z-index: 1000;
    min-width: auto;
    width: max-content;
    max-width: 90vw;
    max-height: 350px;
    overflow-y: auto;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.group-dropdown.active {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.group-dropdown::before {
    content: '';
    position: absolute;
    top: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    border-bottom: 8px solid white;
}

.categories-list {
    padding: 0.5rem;
    width: 100%;
}

.category-item {
    display: block;
    padding: 0.5rem 0.75rem;
    color: #374151;
    text-decoration: none;
    border-radius: 6px;
    transition: all 0.2s ease;
    margin-bottom: 0.2rem;
    border: 1px solid transparent;
    font-weight: 500;
    white-space: nowrap;
}

.category-item:hover {
    background: #f3f4f6;
    color: var(--primary-color, #007bff);
    transform: translateX(-3px);
    border-color: #e5e7eb;
}

.category-item.active {
    background: linear-gradient(135deg, var(--primary-color, #007bff), var(--accent-color, #28a745));
    color: white;
    border-color: transparent;
}

.category-item:last-child {
    margin-bottom: 0;
}

/* الفئات البسيطة */
.simple-categories {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: center;
}

.simple-categories .category-item {
    min-width: 140px;
    text-align: center;
    background: #f9fafb;
    border: 2px solid #e5e7eb;
    padding: 0.75rem 1.25rem;
    border-radius: 10px;
}

.simple-categories .category-item:hover {
    background: linear-gradient(135deg, var(--primary-color, #007bff), var(--accent-color, #28a745));
    color: white;
    border-color: transparent;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 123, 255, 0.2);
}

.simple-categories .category-item.active {
    background: linear-gradient(135deg, var(--primary-color, #007bff), var(--accent-color, #28a745));
    color: white;
    border-color: transparent;
    box-shadow: 0 4px 12px rgba(0, 123, 255, 0.3);
}

/* متجاوب - الهواتف */
@media (max-width: 768px) {
    .filters-section {
        padding: 1.25rem;
        border-radius: 12px;
    }
    
    .search-box {
        flex-direction: column;
        gap: 0.75rem;
        margin-bottom: 1.25rem;
    }
    
    .search-box input {
        padding: 0.875rem 1rem;
        font-size: 0.95rem;
    }
    
    .search-box button {
        padding: 0.875rem;
        width: 100%;
        font-size: 1rem;
    }
    
    .view-toggle {
        gap: 0.5rem;
        padding: 0.4rem;
        margin-bottom: 1.25rem;
    }
    
    .toggle-btn {
        padding: 0.625rem 1rem;
        font-size: 0.85rem;
    }
    
    .toggle-btn i {
        font-size: 0.9rem;
    }
    
    .all-categories-btn {
        padding: 0.75rem 1.25rem;
        font-size: 0.9rem;
        margin-bottom: 1.25rem;
    }
    
    /* تحسينات عرض الفئات المجمع في الشاشات الصغيرة */
    .category-groups {
        display: flex;
        flex-wrap: wrap;
        flex-direction: row;
        align-items: flex-start;
        gap: 0.5rem;
        width: 100%;
        justify-content: flex-start;
    }
    
    .category-group {
        flex: 0 1 auto;
        position: relative;
        min-width: 0;
    }
    
    .group-button {
        width: auto;
        min-width: auto;
        padding: 0.625rem 1rem;
        font-size: 0.85rem;
        justify-content: space-between;
        border-radius: 8px;
        white-space: nowrap;
    }
    
    .group-dropdown {
        position: relative;
        top: auto;
        left: auto;
        right: auto;
        transform: none;
        width: 100%;
        min-width: auto;
        max-width: 100%;
        margin-top: 0.4rem;
        max-height: 200px;
        border-radius: 8px;
    }
    
    .group-dropdown.active {
        transform: none;
    }
    
    .group-dropdown::before {
        display: none;
    }
    
    .categories-list {
        padding: 0.4rem;
    }
    
    .category-item {
        padding: 0.5rem 0.625rem;
        font-size: 0.85rem;
        border-radius: 5px;
        margin-bottom: 0.15rem;
    }
    
    .simple-categories {
        gap: 0.5rem;
    }
    
    .simple-categories .category-item {
        min-width: auto;
        flex: 1 1 calc(50% - 0.5rem);
        padding: 0.625rem 1rem;
        font-size: 0.85rem;
    }
}

/* متجاوب - الشاشات الصغيرة جداً */
@media (max-width: 480px) {
    .filters-section {
        padding: 1rem;
    }
    
    .search-box input {
        padding: 0.75rem;
        font-size: 0.9rem;
    }
    
    .search-box button {
        padding: 0.75rem;
        font-size: 0.95rem;
    }
    
    .view-toggle {
        gap: 0.4rem;
        padding: 0.35rem;
    }
    
    .toggle-btn {
        padding: 0.5rem 0.75rem;
        font-size: 0.8rem;
    }
    
    .toggle-btn i {
        font-size: 0.85rem;
    }
    
    .all-categories-btn {
        padding: 0.625rem 1rem;
        font-size: 0.85rem;
        margin-bottom: 1rem;
    }
    
    /* تحسينات إضافية للشاشات الصغيرة جداً */
    .category-groups {
        gap: 0.4rem;
        justify-content: flex-start;
    }
    
    .category-group {
        flex: 0 1 auto;
    }
    
    .group-button {
        padding: 0.5rem 0.75rem;
        font-size: 0.8rem;
        border-radius: 6px;
    }
    
    .group-dropdown {
        margin-top: 0.3rem;
        max-height: 180px;
        border-radius: 6px;
    }
    
    .categories-list {
        padding: 0.3rem;
    }
    
    .category-item {
        padding: 0.4rem 0.5rem;
        font-size: 0.8rem;
        margin-bottom: 0.1rem;
    }
    
    .simple-categories .category-item {
        flex: 1 1 calc(50% - 0.4rem);
        padding: 0.5rem 0.75rem;
        font-size: 0.8rem;
    }
}

/* متجاوب - الشاشات الكبيرة */
@media (min-width: 1200px) {
    .filters-section {
        padding: 2rem;
    }
    
    .search-box {
        max-width: 800px;
        margin-left: auto;
        margin-right: auto;
    }
    
    .category-groups {
        max-width: 1200px;
        margin-left: auto;
        margin-right: auto;
    }
}