/* ===================================
   Mega Menu Component
   Professional E-Commerce Design
   =================================== */

.mega-menu-wrapper {
    position: relative;
}

.mega-menu {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    display: none;
    z-index: 100;
    width: 80vw;
    max-width: 1280px;
    max-height: 70vh;
    overflow-y: auto;
}

.mega-menu.active {
    display: block;
    animation: slideDown 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-15px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.mega-menu-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-2xl);
    width: 100%;
}

.mega-menu-column {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.mega-menu-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) 0;
    padding-bottom: var(--spacing-lg);
    border-bottom: 3px solid var(--color-primary);
    font-weight: 700;
    font-size: var(--font-size-lg);
    color: var(--color-text);
    transition: all var(--transition-fast);
}

.mega-menu-column:hover .mega-menu-title {
    color: var(--color-primary);
    padding-left: var(--spacing-sm);
}

.mega-menu-title i {
    font-size: 24px;
    color: var(--color-primary);
    flex-shrink: 0;
}

.mega-menu-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.mega-menu-item {
    position: relative;
}

.mega-menu-item a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) var(--spacing-md);
    margin: 0 calc(var(--spacing-md) * -1);
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.mega-menu-item a:hover {
    color: var(--color-primary);
    background-color: rgba(30, 64, 175, 0.05);
    padding-left: var(--spacing-lg);
}

/* 3. Seviye Kategoriler */
.mega-menu-sublist {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-sm);
    padding-left: var(--spacing-md);
    border-left: 2px solid rgba(30, 64, 175, 0.2);
    margin-left: var(--spacing-sm);
}

.mega-menu-subitem a {
    padding: var(--spacing-xs) var(--spacing-sm);
    margin: 0 calc(var(--spacing-sm) * -1);
    color: var(--color-text-muted);
    font-size: var(--font-size-xs);
    font-weight: 400;
}

.mega-menu-subitem a:hover {
    color: var(--color-primary);
    background-color: rgba(30, 64, 175, 0.03);
    padding-left: var(--spacing-md);
}

.mega-menu-item .item-count {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    background-color: var(--color-bg-gray);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-full);
    flex-shrink: 0;
}

.mega-menu-close {
    display: none;
}

/* Responsive */
@media (max-width: 1400px) {
    .mega-menu-grid {
        grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
        gap: var(--spacing-xl);
    }
}

@media (max-width: 1200px) {
    .mega-menu {
        padding: var(--spacing-xl);
    }
    
    .mega-menu-grid {
        grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
        gap: var(--spacing-lg);
    }
}

@media (max-width: 1024px) {
    .mega-menu {
        padding: var(--spacing-lg);
    }
    
    .mega-menu-grid {
        grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
        gap: var(--spacing-lg);
    }
    
    .mega-menu-title {
        font-size: var(--font-size-base);
        padding-bottom: var(--spacing-md);
    }
    
    .mega-menu-item a {
        padding: var(--spacing-xs) var(--spacing-sm);
        margin: 0 calc(var(--spacing-sm) * -1);
    }
}

@media (max-width: 768px) {
    .mega-menu {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        padding: 0;
        overflow-y: auto;
        border-radius: 0;
        min-width: 100%;
        max-height: 100vh;
    }
    
    .mega-menu-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
        padding: var(--spacing-xl);
        padding-top: 70px;
    }
    
    .mega-menu-close {
        position: fixed;
        top: 0;
        right: 0;
        left: 0;
        display: flex !important;
        justify-content: space-between;
        align-items: center;
        padding: var(--spacing-md) var(--spacing-lg);
        background: white;
        z-index: 101;
        border-bottom: 1px solid var(--color-border);
    }
    
    .mega-menu-close button {
        width: 40px;
        height: 40px;
        display: flex;
        align-items: center;
        justify-content: center;
        background: var(--color-danger);
        color: white;
        border-radius: var(--radius-full);
        font-size: 20px;
        transition: all var(--transition-fast);
    }
    
    .mega-menu-close button:active {
        transform: scale(0.95);
    }
}

@media (max-width: 480px) {
    .mega-menu {
        padding: 0;
    }
    
    .mega-menu-grid {
        grid-template-columns: 1fr;
        padding: var(--spacing-lg);
        padding-top: 70px;
    }
    
    .mega-menu-title {
        font-size: var(--font-size-base);
    }
    
    .mega-menu-item a {
        font-size: var(--font-size-xs);
    }
}