/* ==========================================
   GALLERY MODAL & CART STYLES
   ========================================== */

/* QUICK PREVIEW MODAL */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    z-index: 2000;
    overflow-y: auto;
    padding: var(--spacing-xl);
}

.modal-overlay.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: var(--color-bg-secondary);
    max-width: 900px;
    width: 100%;
    border: 2px solid var(--color-red);
    position: relative;
    animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: transparent;
    border: none;
    color: var(--color-white);
    font-size: var(--text-3xl);
    cursor: pointer;
    z-index: 10;
    transition: color var(--transition-base);
}

.modal-close:hover {
    color: var(--color-red);
}

.modal-body {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    padding: var(--spacing-xl);
}

.modal-image {
    position: relative;
    min-height: 200px;
}

.modal-image img {
    max-width: 100%;
    max-height: 60vh;
    width: auto;
    height: auto;
    object-fit: scale-down;
    display: block;
    margin: 0 auto;
    transition: opacity 0.3s ease;
}

/* Loading state for modal images */
.modal-image.loading {
    background: var(--color-bg-tertiary);
}

.modal-image.loading img {
    opacity: 0.3;
}

.modal-image.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 40px;
    height: 40px;
    margin: -20px 0 0 -20px;
    border: 3px solid var(--color-border);
    border-top-color: var(--color-red);
    border-radius: 50%;
    animation: modalSpinner 0.8s linear infinite;
}

@keyframes modalSpinner {
    to {
        transform: rotate(360deg);
    }
}

.zoom-button {
    position: absolute;
    bottom: var(--spacing-md);
    right: var(--spacing-md);
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.4);
    color: rgba(255, 255, 255, 0.8);
    padding: var(--spacing-sm);
    font-size: var(--text-lg);
    cursor: pointer;
    border-radius: 4px;
    transition: all var(--transition-base);
}

.zoom-button:hover {
    background: rgba(0, 0, 0, 0.7);
    border-color: rgba(255, 255, 255, 0.6);
    color: rgba(255, 255, 255, 1);
}

.modal-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.modal-info h2 {
    font-family: var(--font-heading);
    font-size: var(--text-2xl);
    color: var(--color-white);
}

.modal-dimensions,
.modal-medium {
    font-size: var(--text-base);
    color: var(--color-text-secondary);
}

.modal-status {
    font-size: var(--text-sm);
    font-weight: 700;
    text-transform: uppercase;
}

.modal-price {
    font-family: var(--font-heading);
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--color-red);
    margin: var(--spacing-md) 0;
}

.modal-cart-notice {
    background: rgba(135, 169, 107, 0.2);
    color: #87A96B;
    padding: var(--spacing-sm);
    text-align: center;
    font-weight: 600;
    border: 1px solid #87A96B;
    animation: fadeIn 0.3s ease-in;
}

.modal-actions {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-top: auto;
}

.btn-add-cart,
.btn-view-details {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--text-base);
    font-weight: 600;
    text-align: center;
    text-transform: uppercase;
    cursor: pointer;
    transition: all var(--transition-base);
    border: 2px solid;
}

.btn-add-cart {
    background: var(--color-red);
    border-color: var(--color-red);
    color: var(--color-white);
}

.btn-add-cart:hover {
    background: transparent;
    color: var(--color-red);
}

.btn-add-cart:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-view-details {
    background: transparent;
    border-color: var(--color-white);
    color: var(--color-white);
}

.btn-view-details:hover {
    background: var(--color-white);
    color: var(--color-black);
}

.modal-navigation {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-xl);
    border-top: 1px solid var(--color-border);
}

.nav-btn {
    background: transparent;
    border: 2px solid var(--color-border);
    color: var(--color-text-secondary);
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: var(--text-sm);
    cursor: pointer;
    transition: all var(--transition-base);
}

.nav-btn:hover {
    border-color: var(--color-red);
    color: var(--color-white);
}

/* FULLSCREEN ZOOM LIGHTBOX */
.lightbox-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.97);
    z-index: 3000;
}

.lightbox-overlay.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-close {
    position: absolute;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    background: transparent;
    border: none;
    color: var(--color-white);
    font-size: var(--text-3xl);
    cursor: pointer;
    z-index: 10;
    transition: color var(--transition-base);
}

.lightbox-close:hover {
    color: var(--color-red);
}

/* Lightbox content container for zoom interactions */
.lightbox-content {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    overflow: hidden;
    touch-action: none;
}

#lightbox-image {
    max-width: 90%;
    max-height: 90vh;
    object-fit: contain;
    transition: transform 0.15s ease-out;
    transform-origin: center center;
    user-select: none;
    -webkit-user-drag: none;
}

/* Zoom hint */
.lightbox-zoom-hint {
    position: absolute;
    bottom: calc(var(--spacing-lg) + 60px);
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.6);
    color: rgba(255, 255, 255, 0.7);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 4px;
    font-size: var(--text-xs);
    pointer-events: none;
}

/* SHOPPING CART SIDEBAR */
.cart-sidebar {
    position: fixed;
    top: 0;
    right: -400px;
    width: 400px;
    max-width: 90%;
    height: 100vh;
    background: var(--color-bg-secondary);
    border-left: 2px solid var(--color-red);
    z-index: 2500;
    transition: right var(--transition-base);
    display: flex;
    flex-direction: column;
}

.cart-sidebar.active {
    right: 0;
}

.cart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
}

.cart-header h3 {
    font-family: var(--font-heading);
    font-size: var(--text-xl);
    color: var(--color-white);
}

.cart-close {
    background: transparent;
    border: none;
    color: var(--color-white);
    font-size: var(--text-2xl);
    cursor: pointer;
}

.cart-items {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-md);
}

.cart-empty {
    text-align: center;
    color: var(--color-text-secondary);
    padding: var(--spacing-2xl);
}

.cart-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
}

.cart-item-image {
    width: 80px;
    height: 80px;
    object-fit: cover;
}

.cart-item-info {
    flex: 1;
}

.cart-item-title {
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: var(--spacing-xs);
}

.cart-item-dimensions {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xs);
}

.cart-item-price {
    font-weight: 700;
    color: var(--color-red);
}

.cart-item-remove {
    background: transparent;
    border: none;
    color: var(--color-text-secondary);
    cursor: pointer;
    font-size: var(--text-sm);
}

.cart-item-remove:hover {
    color: var(--color-red);
}

.cart-footer {
    padding: var(--spacing-md);
    border-top: 2px solid var(--color-red);
}

.cart-subtotal {
    display: flex;
    justify-content: space-between;
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}

.shipping-notice {
    font-size: var(--text-xs);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-xs);
    background: rgba(133, 0, 0, 0.08);
    border-left: 2px solid var(--color-red);
}

.btn-checkout {
    width: 100%;
    background: var(--color-red);
    border: 2px solid var(--color-red);
    color: var(--color-white);
    padding: var(--spacing-sm);
    font-size: var(--text-base);
    font-weight: 700;
    text-transform: uppercase;
    cursor: pointer;
    transition: all var(--transition-base);
}

.btn-checkout:hover {
    background: transparent;
    color: var(--color-red);
}

.btn-checkout:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* RESPONSIVE - TABLET */
@media (max-width: 1023px) {
    .modal-body {
        grid-template-columns: 1fr;
    }

    /* Fix modal positioning and scrolling on tablet */
    .modal-overlay.active {
        align-items: flex-start;
        padding-top: var(--spacing-lg);
    }

    .modal-content {
        margin-bottom: var(--spacing-lg);
        max-height: calc(100vh - 2 * var(--spacing-lg));
        overflow-y: auto;
    }

    .modal-close {
        position: fixed;
        top: var(--spacing-lg);
        right: var(--spacing-lg);
        background: rgba(0, 0, 0, 0.8);
        width: 44px;
        height: 44px;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        z-index: 2001;
    }
}

/* RESPONSIVE - MOBILE */
@media (max-width: 767px) {
    .modal-overlay {
        padding: 0;
        align-items: flex-start !important;
    }

    .modal-overlay.active {
        padding-top: 60px;
    }

    .modal-content {
        margin: 0 var(--spacing-sm) var(--spacing-lg) var(--spacing-sm);
        max-height: calc(100vh - 80px);
        overflow-y: auto;
        border-radius: 8px;
    }

    .modal-body {
        padding: var(--spacing-md);
        padding-top: calc(var(--spacing-xl) + var(--spacing-md));
    }

    .modal-close {
        position: fixed;
        top: 10px;
        right: 10px;
        background: rgba(0, 0, 0, 0.9);
        width: 44px;
        height: 44px;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: var(--text-2xl);
        z-index: 2001;
        border: 2px solid var(--color-red);
    }

    .modal-navigation {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .nav-btn {
        width: 100%;
    }

    .cart-sidebar {
        width: 100%;
        right: -100%;
    }

    /* Ensure modal image doesn't overflow */
    .modal-image img {
        max-height: 50vh;
        object-fit: scale-down;
    }
}

/* SIZE SELECTOR FOR VARIANTS */
.modal-size-selector {
    margin: var(--spacing-md) 0;
    padding: var(--spacing-md);
    background: rgba(16, 16, 16, 0.5);
    border: 2px solid var(--color-border);
    border-radius: 4px;
}

.modal-size-selector label {
    display: block;
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-xs);
}

.size-select {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-bg-secondary);
    border: 2px solid var(--color-border);
    color: var(--color-white);
    font-size: var(--text-base);
    font-family: var(--font-body);
    border-radius: 4px;
    cursor: pointer;
    transition: all var(--transition-base);
}

.size-select:hover {
    border-color: var(--color-red);
}

.size-select:focus {
    outline: none;
    border-color: var(--color-red);
    box-shadow: 0 0 0 3px rgba(133, 0, 0, 0.12);
}

.size-select option {
    background: var(--color-bg-secondary);
    color: var(--color-white);
    padding: var(--spacing-sm);
}