/* =====================================================================
   Product Detail Page Styles
   ===================================================================== */

/* Breadcrumb Navigation */
.product-breadcrumb {
    background: var(--bg-secondary);
    padding: var(--space-md) 0;
    border-bottom: 1px solid var(--border-light);
}

.breadcrumb {
    background: transparent;
    padding: 0;
    margin: 0;
}

.breadcrumb-item {
    color: var(--text-secondary);
    font-size: var(--text-sm);
}

.breadcrumb-item + .breadcrumb-item::before {
    content: '/';
    color: var(--text-muted);
    margin: 0 var(--space-sm);
}

.breadcrumb-item a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-base);
}

.breadcrumb-item a:hover {
    color: var(--gold-accent);
}

.breadcrumb-item.active {
    color: var(--text-primary);
}

/* Product Hero Section */
.product-hero {
    padding: var(--space-2xl) 0;
    background: var(--bg-primary);
}

.product-gallery {
    position: relative;
}


.main-image-container {
    position: relative;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-xl);
    overflow: hidden;
    /* aspect-ratio: 3/2; *//* 修改：从 aspect-ratio: 1; 改为 aspect-ratio: 3/2; */
    margin-bottom: var(--space-lg);
}

.main-image {
    width: 100%;
    height: 100%;
    object-fit: cover; /* 保持这个设置，确保图片正确裁剪填充容器 */
    transition: transform var(--transition-base);
}

@media (max-width: 768px) {
    .main-image-container {
       /*  aspect-ratio: 4/3; *//* 移动端可以使用4:3比例，更适合小屏幕 */
    }
}

/* 可选：如果你想在超小屏幕上使用正方形，可以这样设置 */
@media (max-width: 576px) {
    .main-image-container {
        /*  aspect-ratio: 1;*/ /* 超小屏幕保持正方形 */
    }
}

.zoom-overlay {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    width: 40px;
    height: 40px;
    background: rgba(0, 0, 0, 0.7);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    cursor: pointer;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.main-image-container:hover .zoom-overlay {
    opacity: 1;
}

.image-loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.image-loading-overlay.show {
    opacity: 1;
    visibility: visible;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top: 3px solid var(--gold-accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.thumbnail-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
    gap: var(--space-md);
    max-width: 400px;
}

.thumbnail-item {
    aspect-ratio: 1;
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all var(--transition-base);
    background: rgba(255, 255, 255, 0.05);
}

.thumbnail-item:hover,
.thumbnail-item.active {
    border-color: var(--gold-accent);
    transform: translateY(-2px);
}

.thumbnail-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Product Information */
.product-info {
    padding-left: var(--space-xl);
}

.product-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    background: var(--gradient-gold);
    color: var(--primary-color);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: 600;
    margin-bottom: var(--space-lg);
}

.product-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: var(--space-md);
    line-height: 1.1;
}

.product-subtitle {
    font-size: var(--text-lg);
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
}

.product-rating {
    margin-bottom: var(--space-lg);
}

.star-rating {
    display: flex;
    gap: 2px;
    font-size: var(--text-lg);
}

.rating-text {
    color: var(--text-primary);
    font-weight: 600;
}

.review-count {
    color: var(--text-secondary);
}

/* Price Section */
.price-section {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    margin-bottom: var(--space-xl);
}

.price-display {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.current-price {
    font-size: var(--text-4xl);
    font-weight: 800;
    color: var(--gold-accent);
}

.price-label {
    color: var(--text-secondary);
    font-size: var(--text-sm);
}

.price-discount {
    text-align: right;
}

.discount-badge {
    background: var(--error-color);
    color: white;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    font-weight: 600;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    padding: var(--space-lg);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.feature-item:hover {
    background: rgba(255, 255, 255, 0.05);
    transform: translateY(-2px);
}

.feature-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-gold);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-lg);
    color: var(--primary-color);
    flex-shrink: 0;
}

.feature-title {
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
}

.feature-description {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    line-height: 1.5;
}

/* Bulk Pricing */
.bulk-pricing {
    background: var(--gradient-secondary);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    margin-bottom: var(--space-xl);
    border: 1px solid var(--border-color);
}

.bulk-pricing-title {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-lg);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: var(--space-md);
}

.pricing-item {
    text-align: center;
    padding: var(--space-md);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.pricing-item:hover {
    background: rgba(212, 175, 55, 0.1);
    transform: translateY(-2px);
}

.pricing-price {
    display: block;
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--gold-accent);
    margin-bottom: var(--space-xs);
}

.pricing-qty {
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

/* CTA Section */
.cta-section {
    text-align: center;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: var(--space-md);
    background: var(--gradient-gold);
    color: var(--primary-color);
    padding: var(--space-lg) var(--space-2xl);
    border-radius: var(--radius-full);
    font-size: var(--text-lg);
    font-weight: 700;
    text-decoration: none;
    transition: all var(--transition-smooth);
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
    border: none;
    cursor: pointer;
    width: 100%;
    max-width: 400px;
    margin-bottom: var(--space-lg);
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.cta-button:hover::before {
    left: 100%;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
    color: var(--primary-color);
}

.cta-info {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

/* Product Tabs */
.product-tabs {
    padding: var(--space-3xl) 0;
    background: var(--bg-secondary);
}

.tabs-header {
    margin-bottom: var(--space-2xl);
    border-bottom: 1px solid var(--border-color);
}

.custom-nav-tabs {
    border: none;
    display: flex;
    gap: var(--space-md);
}

.custom-nav-tabs .nav-link {
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    color: var(--text-secondary);
    padding: var(--space-md) var(--space-xl);
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-weight: 600;
}

.custom-nav-tabs .nav-link:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    border-color: var(--gold-accent);
}

.custom-nav-tabs .nav-link.active {
    background: var(--gradient-gold);
    color: var(--primary-color);
    border-color: var(--gold-accent);
}

.tab-content {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 0 var(--radius-xl) var(--radius-xl) var(--radius-xl);
    padding: var(--space-2xl);
}

.content-section {
    color: var(--text-secondary);
    line-height: 1.7;
}

.section-header {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.section-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-gold);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-xl);
    color: var(--primary-color);
}

.section-title {
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

/* Specifications Table */
.specs-table {
    width: 100%;
    border-collapse: collapse;
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.specs-table tr {
    border-bottom: 1px solid var(--border-light);
}

.specs-table tr:last-child {
    border-bottom: none;
}

.specs-table td {
    padding: var(--space-md) var(--space-lg);
    vertical-align: top;
}

.specs-table td:first-child {
    background: rgba(255, 255, 255, 0.05);
    font-weight: 600;
    color: var(--text-primary);
    width: 40%;
}

.specs-table td:last-child {
    color: var(--text-secondary);
}

/* FAQ Section */
.faq-container {
    max-width: 800px;
}

.faq-item {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-md);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    background: transparent;
    border: none;
    padding: var(--space-lg);
    text-align: left;
    color: var(--text-primary);
    font-size: var(--text-base);
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background var(--transition-base);
}

.faq-question:hover {
    background: rgba(255, 255, 255, 0.05);
}

.faq-icon {
    transition: transform var(--transition-base);
}

.faq-question[aria-expanded="true"] .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    padding: 0 var(--space-lg) var(--space-lg);
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Reviews Section */
.review-summary {
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    margin-bottom: var(--space-xl);
}

.average-rating {
    text-align: center;
}

.rating-number {
    font-size: var(--text-5xl);
    font-weight: 800;
    color: var(--gold-accent);
    line-height: 1;
}

.rating-breakdown {
    padding-left: var(--space-xl);
}

.rating-bar {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-sm);
}

.rating-label {
    min-width: 80px;
    color: var(--text-secondary);
}

.progress {
    flex: 1;
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-bar {
    background: var(--gradient-gold);
    height: 100%;
    transition: width 0.5s ease;
}

.rating-count {
    min-width: 40px;
    text-align: right;
    color: var(--text-secondary);
}

/* Related Products */
.related-products {
    padding: var(--space-3xl) 0;
    background: var(--bg-primary);
}

.related-products-title {
    text-align: center;
    font-size: var(--text-3xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-2xl);
}

.related-products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-xl);
}

/* Mobile Optimizations */
@media (max-width: 768px) {
    .product-hero {
        padding: var(--space-lg) 0;
    }
    
    .product-info {
        padding-left: 0;
        margin-top: var(--space-xl);
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }
    
    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .custom-nav-tabs {
        flex-wrap: wrap;
        gap: var(--space-sm);
    }
    
    .custom-nav-tabs .nav-link {
        padding: var(--space-sm) var(--space-md);
        font-size: var(--text-sm);
    }
    
    .tab-content {
        padding: var(--space-lg);
    }
    
    .specs-table {
        font-size: var(--text-sm);
    }
    
    .specs-table td {
        padding: var(--space-sm);
    }
    
    .specs-table td:first-child {
        width: 50%;
    }
}

@media (max-width: 576px) {
    .product-title {
        font-size: 2rem;
    }
    
    .price-display {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-md);
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .custom-nav-tabs {
        /*flex-direction: column;*/
    }
    
    .custom-nav-tabs .nav-link {
        border-radius: var(--radius-lg);
        text-align: center;
    }
    
    .tab-content {
        border-radius: var(--radius-xl);
    }
}

/* Video Player */
.video-container {
    margin-top: var(--space-lg);
    border-radius: var(--radius-xl);
    overflow: hidden;
    background: rgba(255, 255, 255, 0.05);
}

.video-placeholder {
    aspect-ratio: 16/9;
    background: var(--gradient-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-base);
}

.video-placeholder:hover {
    background: var(--gradient-primary);
}

.play-button {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-3xl);
    color: var(--primary-color);
    transition: all var(--transition-base);
}

.video-placeholder:hover .play-button {
    transform: scale(1.1);
}

.product-video {
    width: 100%;
    aspect-ratio: 16/9;
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: var(--space-xl);
    right: var(--space-xl);
    width: 50px;
    height: 50px;
    background: var(--gradient-gold);
    color: var(--primary-color);
    border: none;
    border-radius: 50%;
    font-size: var(--text-lg);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-smooth);
    z-index: 1000;
    box-shadow: var(--shadow-lg);
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

/* Mobile Tab Navigator */
.mobile-tab-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    display: none;
}

.tab-nav-toggle {
    width: 100%;
    background: var(--gradient-gold);
    color: var(--primary-color);
    border: none;
    padding: var(--space-md);
    font-size: var(--text-base);
    font-weight: 600;
}

.tab-nav-menu {
    background: var(--bg-overlay);
    backdrop-filter: blur(20px);
    border-top: 1px solid var(--border-color);
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-base);
}

.tab-nav-menu.show {
    max-height: 300px;
}

.tab-nav-item {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    padding: var(--space-md) var(--space-lg);
    border-bottom: 1px solid var(--border-light);
    transition: all var(--transition-base);
}

.tab-nav-item:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
}

@media (max-width: 768px) {
    .mobile-tab-nav {
        display: block;
    }
    
    body {
        padding-bottom: 60px;
    }
}

/* Loading States */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus styles */
.thumbnail-item:focus,
.faq-question:focus,
.cta-button:focus,
.custom-nav-tabs .nav-link:focus {
    outline: 2px solid var(--gold-accent);
    outline-offset: 2px;
}

/* =====================================================================
   Product Description Component Styles
   ===================================================================== */

.product-description-container {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Product Highlights */
.highlights-title {
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
}

.highlights-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-lg);
}

.highlight-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    padding: var(--space-lg);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.highlight-item:hover {
    background: rgba(255, 255, 255, 0.05);
    transform: translateY(-2px);
    border-color: var(--gold-accent);
}

.highlight-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-gold);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-lg);
    color: var(--primary-color);
    flex-shrink: 0;
}

.highlight-content h4 {
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
}

.highlight-content p {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    margin: 0;
}

/* Security Features */
.features-title {
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
}

.comparison-table {
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-light);
}

.table-header {
    display: grid;
    grid-template-columns: 2fr 1fr 2fr;
    gap: var(--space-md);
    padding: var(--space-lg);
    background: var(--gradient-secondary);
    font-weight: 700;
    color: var(--text-primary);
    font-size: var(--text-sm);
}

.table-row {
    display: grid;
    grid-template-columns: 2fr 1fr 2fr;
    gap: var(--space-md);
    padding: var(--space-lg);
    border-bottom: 1px solid var(--border-light);
    transition: background var(--transition-base);
}

.table-row:last-child {
    border-bottom: none;
}

.table-row:hover {
    background: rgba(255, 255, 255, 0.03);
}

.feature-name {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-weight: 500;
    color: var(--text-secondary);
}

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 600;
}

.status-badge.included {
    background: rgba(72, 187, 120, 0.2);
    color: var(--success-color);
    border: 1px solid var(--success-color);
}

.feature-benefit {
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

/* Materials Construction */
.materials-title {
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
}

.layer-diagram {
    background: var(--gradient-secondary);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    border: 1px solid var(--border-color);
}

.layer {
    padding: var(--space-md);
    margin-bottom: var(--space-sm);
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--gold-accent);
    transition: all var(--transition-base);
}

.layer:last-child {
    margin-bottom: 0;
}

.layer:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateX(5px);
}

.layer-label {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
}

.layer-description {
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

.materials-specs {
    margin-top: var(--space-lg);
}

.spec-item {
    display: flex;
    align-items: center;
    padding: var(--space-md);
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-sm);
    transition: all var(--transition-base);
}

.spec-item:hover {
    background: rgba(255, 255, 255, 0.05);
    transform: translateX(5px);
}

/* Quality Assurance */
.quality-title {
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
}

.quality-points {
    display: grid;
    gap: var(--space-md);
}

.quality-point {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    padding: var(--space-lg);
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    transition: all var(--transition-base);
}

.quality-point:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--gold-accent);
}

.quality-icon {
    font-size: var(--text-xl);
    flex-shrink: 0;
    margin-top: 2px;
}

.quality-text {
    color: var(--text-secondary);
}

.quality-text strong {
    color: var(--text-primary);
}

/* Ordering Info */
.ordering-title {
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
}

.info-categories {
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    border: 1px solid var(--border-light);
}

.info-category {
    margin-bottom: var(--space-lg);
}

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

.category-title {
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-md);
    display: flex;
    align-items: center;
}

.info-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.info-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    padding: var(--space-sm) 0;
    color: var(--text-secondary);
    font-size: var(--text-sm);
}

/* Delivery Support */
.support-section {
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    border: 1px solid var(--border-light);
    height: 100%;
}

.support-title {
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
}

.delivery-options,
.support-options {
    display: grid;
    gap: var(--space-md);
}

.delivery-option {
    padding: var(--space-md);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.delivery-option:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-2px);
}

.option-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-xs);
    font-weight: 600;
    color: var(--text-primary);
}

.option-header i {
    margin-right: var(--space-sm);
}

.price {
    font-weight: 700;
}

.option-details {
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

.support-option {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm);
    color: var(--text-secondary);
    font-size: var(--text-sm);
    transition: all var(--transition-base);
}

.support-option:hover {
    color: var(--text-primary);
    transform: translateX(5px);
}

/* Responsive Design */
@media (max-width: 768px) {
    .highlights-grid {
        grid-template-columns: 1fr;
    }
    
    .table-header,
    .table-row {
        grid-template-columns: 1fr;
        gap: var(--space-sm);
    }
    
    .table-header {
        display: none;
    }
    
    .table-row {
        padding: var(--space-md);
    }
    
    .feature-name::before {
        content: 'Feature: ';
        font-weight: 700;
        color: var(--text-primary);
    }
    
    .feature-status::before {
        content: 'Status: ';
        font-weight: 700;
        color: var(--text-primary);
        display: block;
    }
    
    .feature-benefit::before {
        content: 'Benefit: ';
        font-weight: 700;
        color: var(--text-primary);
        display: block;
    }
    
    .layer-diagram {
        padding: var(--space-lg);
    }
    
    .info-categories {
        padding: var(--space-lg);
    }
    
    .support-section {
        padding: var(--space-lg);
        margin-bottom: var(--space-lg);
    }
}

@media (max-width: 576px) {
    .highlight-item {
        flex-direction: column;
        text-align: center;
        padding: var(--space-md);
    }
    
    .quality-point {
        flex-direction: column;
        text-align: center;
        padding: var(--space-md);
    }
    
    .option-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-xs);
    }
}

/* Color utilities */
.text-gold { color: var(--gold-accent); }
.text-success { color: var(--success-color); }
.text-warning { color: var(--warning-color); }
.text-error { color: var(--error-color); }
.text-info { color: var(--info-color); }

/* =====================================================================
   Enhanced Reviews List Styles
   ===================================================================== */

.enhanced-reviews-container {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

/* Enhanced Review Card */
.enhanced-review-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    transition: all var(--transition-smooth);
    position: relative;
}

.enhanced-review-card:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--gold-accent);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Review Header */
.review-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--space-lg);
}

.reviewer-profile {
    display: flex;
    gap: var(--space-md);
    align-items: flex-start;
}

.reviewer-avatar-wrapper {
    position: relative;
    flex-shrink: 0;
}

.reviewer-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--border-color);
}

.verified-badge {
    position: absolute;
    bottom: -2px;
    right: -2px;
    width: 24px;
    height: 24px;
    background: var(--success-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: var(--text-sm);
    border: 2px solid var(--bg-primary);
}

.reviewer-details {
    flex: 1;
}

.reviewer-name {
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
}

.reviewer-meta {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-sm);
    font-size: var(--text-sm);
}

.verification-status {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    color: var(--success-color);
    font-weight: 500;
}

.review-date {
    color: var(--text-secondary);
}

.star-rating-container {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.star-rating {
    display: flex;
    gap: 2px;
    font-size: var(--text-base);
    color: var(--gold-accent);
}

.star-rating .bi-star {
    color: var(--text-muted);
}

.rating-text {
    font-weight: 600;
    color: var(--text-primary);
    font-size: var(--text-sm);
}

/* Review Actions */
.review-actions {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
}

.helpful-btn,
.menu-btn {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: var(--space-sm) var(--space-md);
    color: var(--text-secondary);
    font-size: var(--text-sm);
    transition: all var(--transition-base);
    cursor: pointer;
}

.helpful-btn:hover,
.menu-btn:hover {
    background: var(--gradient-gold);
    color: var(--primary-color);
    border-color: var(--gold-accent);
}

.helpful-count {
    font-weight: 600;
}

/* Review Content */
.review-content {
    margin-bottom: var(--space-lg);
}

.review-title {
    font-size: var(--text-xl);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-md);
    line-height: 1.3;
}

.review-body {
    margin-bottom: var(--space-lg);
}

.review-text {
    font-size: var(--text-base);
    line-height: 1.7;
    color: var(--text-secondary);
}

.read-more-btn {
    background: none;
    border: none;
    color: var(--gold-accent);
    font-size: var(--text-sm);
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    margin-top: var(--space-sm);
    transition: all var(--transition-base);
}

.read-more-btn:hover {
    color: var(--text-primary);
}

.read-more-icon {
    transition: transform var(--transition-base);
}

.read-more-btn.expanded .read-more-icon {
    transform: rotate(180deg);
}

/* Customer Photos */
.review-photos {
    margin-bottom: var(--space-lg);
}

.photos-header {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--text-primary);
}

.photos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
    gap: var(--space-md);
    max-width: 400px;
}

.photo-item {
    position: relative;
    aspect-ratio: 1;
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
    transition: all var(--transition-base);
}

.photo-item:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-md);
}

.photo-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.photo-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: var(--text-lg);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.photo-item:hover .photo-overlay {
    opacity: 1;
}

/* Pros and Cons */
.review-pros-cons {
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    margin-bottom: var(--space-lg);
    border: 1px solid var(--border-light);
}

.pros-section,
.cons-section {
    margin-bottom: var(--space-lg);
}

.pros-section:last-child,
.cons-section:last-child {
    margin-bottom: 0;
}

.section-title {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-md);
}

.pros-list,
.cons-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: var(--space-sm);
}

.pro-item,
.con-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

.pro-item i {
    color: var(--success-color);
    margin-top: 2px;
    flex-shrink: 0;
}

.con-item i {
    color: var(--warning-color);
    margin-top: 2px;
    flex-shrink: 0;
}

/* Review Footer */
.review-footer {
    border-top: 1px solid var(--border-light);
    padding-top: var(--space-lg);
}

.review-helpfulness {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-lg);
    padding: var(--space-md);
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--radius-lg);
}

.helpfulness-question {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    font-weight: 500;
}

.helpfulness-buttons {
    display: flex;
    gap: var(--space-sm);
}

.btn-helpful {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    background: transparent;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: var(--space-sm) var(--space-md);
    color: var(--text-secondary);
    font-size: var(--text-xs);
    cursor: pointer;
    transition: all var(--transition-base);
}

.btn-helpful:hover {
    background: var(--gradient-gold);
    color: var(--primary-color);
    border-color: var(--gold-accent);
}

.btn-helpful .count {
    font-weight: 600;
}

/* Seller Response */
.seller-response {
    background: var(--gradient-secondary);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    margin-bottom: var(--space-lg);
    border-left: 4px solid var(--gold-accent);
}

.response-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-md);
}

.seller-badge {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-weight: 600;
    color: var(--gold-accent);
}

.response-date {
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

.response-content {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Review Replies */
.review-replies {
    margin-top: var(--space-lg);
}

.replies-toggle {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: var(--space-md);
    color: var(--text-secondary);
    font-size: var(--text-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-base);
    width: 100%;
}

.replies-toggle:hover {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
}

.toggle-icon {
    margin-left: auto;
    transition: transform var(--transition-base);
}

.replies-toggle[aria-expanded="true"] .toggle-icon {
    transform: rotate(180deg);
}

.replies-container {
    margin-top: var(--space-md);
}

.replies-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    padding: var(--space-lg);
    color: var(--text-secondary);
}

/* Empty State */
.reviews-empty-state {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 300px;
    text-align: center;
}

.empty-state-content {
    max-width: 400px;
}

.empty-state-icon {
    font-size: 4rem;
    color: var(--text-muted);
    margin-bottom: var(--space-lg);
}

.empty-state-title {
    font-size: var(--text-2xl);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-md);
}

.empty-state-text {
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
}

/* Enhanced Pagination */
.enhanced-reviews-pagination {
    margin-top: var(--space-2xl);
    padding-top: var(--space-xl);
    border-top: 1px solid var(--border-light);
}

.pagination-wrapper {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    align-items: center;
}

.pagination-info {
    color: var(--text-secondary);
    font-size: var(--text-sm);
}

.pagination {
    display: flex;
    gap: var(--space-sm);
    list-style: none;
    padding: 0;
    margin: 0;
}

.page-item {
    border-radius: var(--radius-md);
    overflow: hidden;
}

.page-link {
    display: flex;
    align-items: center;
    padding: var(--space-sm) var(--space-md);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-light);
    color: var(--text-secondary);
    text-decoration: none;
    transition: all var(--transition-base);
}

.page-link:hover {
    background: var(--gradient-gold);
    color: var(--primary-color);
    border-color: var(--gold-accent);
}

.page-item.active .page-link {
    background: var(--gradient-gold);
    color: var(--primary-color);
    border-color: var(--gold-accent);
}

.page-item.disabled .page-link {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Photo Modal */
.photo-navigation {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 var(--space-lg);
    z-index: 1049;
}

.nav-btn {
    width: 50px;
    height: 50px;
    background: rgba(0, 0, 0, 0.7);
    border: none;
    border-radius: 50%;
    color: white;
    font-size: var(--text-lg);
    cursor: pointer;
    transition: all var(--transition-base);
}

.nav-btn:hover {
    background: var(--gold-accent);
    transform: scale(1.1);
}

.photo-counter {
    position: absolute;
    bottom: var(--space-lg);
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    z-index: 1049;
}

/* Mobile Optimizations */
@media (max-width: 768px) {
    .enhanced-review-card {
        padding: var(--space-lg);
    }
    
    .review-header {
        flex-direction: column;
        gap: var(--space-md);
    }
    
    .reviewer-profile {
        width: 100%;
    }
    
    .review-actions {
        align-self: flex-end;
    }
    
    .reviewer-avatar {
        width: 50px;
        height: 50px;
    }
    
    .verified-badge {
        width: 20px;
        height: 20px;
        font-size: 10px;
    }
    
    .review-helpfulness {
        flex-direction: column;
        gap: var(--space-md);
        text-align: center;
    }
    
    .photos-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .pagination-wrapper {
        flex-direction: column-reverse;
    }
    
    .pagination {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .page-link {
        padding: var(--space-xs) var(--space-sm);
        font-size: var(--text-sm);
    }
}

@media (max-width: 576px) {
    .enhanced-review-card {
        padding: var(--space-md);
        margin-bottom: var(--space-lg);
    }
    
    .reviewer-details {
        font-size: var(--text-sm);
    }
    
    .reviewer-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-xs);
    }
    
    .star-rating-container {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-xs);
    }
    
    .photos-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .review-pros-cons {
        padding: var(--space-md);
    }
    
    .pagination {
        gap: var(--space-xs);
    }
}

/* Focus States for Accessibility */
.helpful-btn:focus,
.menu-btn:focus,
.read-more-btn:focus,
.replies-toggle:focus,
.btn-helpful:focus,
.photo-item:focus {
    outline: 2px solid var(--gold-accent);
    outline-offset: 2px;
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    .enhanced-review-card {
        border-width: 2px;
    }
    
    .verified-badge {
        border-width: 3px;
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    .enhanced-review-card,
    .helpful-btn,
    .photo-item,
    .read-more-icon,
    .toggle-icon {
        transition: none;
    }
    
    .enhanced-review-card:hover {
        transform: none;
    }
}

/* =====================================================================
   Premium Login Modal Styles
   ===================================================================== */

/* Modal Backdrop Enhancement */
.modal-backdrop {
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
}

/* Modal Dialog */
.premium-modal-dialog {
    max-width: 450px;
    margin: 1rem auto;
}

.premium-modal-content {
    background: var(--bg-overlay);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    position: relative;
}

.premium-modal-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-gold);
}

/* Modal Header */
.premium-modal-header {
    background: transparent;
    border-bottom: 1px solid var(--border-light);
    padding: var(--space-xl);
    border: none;
}

.modal-title-container {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    flex: 1;
}

.modal-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-gold);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-2xl);
    color: var(--primary-color);
    flex-shrink: 0;
}

.modal-title-text .modal-title {
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.modal-subtitle {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    margin: 0;
    margin-top: var(--space-xs);
}

.premium-btn-close {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: all var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.premium-btn-close::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-gold);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.premium-btn-close:hover {
    color: var(--primary-color);
    border-color: var(--gold-accent);
    transform: scale(1.05);
}

.premium-btn-close:hover::before {
    opacity: 1;
}

.premium-btn-close i {
    position: relative;
    z-index: 1;
}

/* Modal Body */
.premium-modal-body {
    padding: 0 var(--space-xl) var(--space-xl);
}

.premium-login-form {
    width: 100%;
}

/* Form Groups */
.premium-form-group {
    margin-bottom: var(--space-xl);
}

.premium-form-label {
    display: flex;
    align-items: center;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-md);
    font-size: var(--text-base);
}

/* Input Container */
.premium-input-container {
    position: relative;
}

.premium-form-control {
    width: 100%;
    padding: var(--space-lg) var(--space-md);
    font-size: var(--text-base);
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    transition: all var(--transition-smooth);
    backdrop-filter: blur(10px);
}

.premium-form-control:focus {
    outline: none;
    border-color: var(--gold-accent);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.1);
    transform: translateY(-2px);
}

.premium-form-control::placeholder {
    color: var(--text-muted);
    transition: opacity var(--transition-base);
}

.premium-form-control:focus::placeholder {
    opacity: 0.5;
}

/* Focus Border Animation */
.premium-input-focus-border {
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--gradient-gold);
    transition: all var(--transition-smooth);
    transform: translateX(-50%);
}

.premium-form-control:focus + .premium-password-toggle + .premium-input-focus-border,
.premium-form-control:focus + .premium-input-focus-border {
    width: 100%;
}

/* Password Toggle */
.premium-password-toggle {
    position: absolute;
    right: var(--space-md);
    top: 50%;
    transform: translateY(-50%);
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: var(--text-base);
    cursor: pointer;
    padding: var(--space-sm);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.premium-password-toggle:hover {
    color: var(--gold-accent);
    background: rgba(212, 175, 55, 0.1);
}

/* Form Options */
.premium-form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-xl);
}

/* Custom Checkbox */
.premium-checkbox-container {
    display: flex;
    align-items: center;
}

.premium-checkbox {
    display: none;
}

.premium-checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--text-secondary);
    font-size: var(--text-sm);
    cursor: pointer;
    transition: color var(--transition-base);
}

.premium-checkbox-custom {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-smooth);
    background: rgba(255, 255, 255, 0.05);
}

.premium-checkbox-custom i {
    font-size: 12px;
    color: var(--primary-color);
    opacity: 0;
    transform: scale(0);
    transition: all var(--transition-base);
}

.premium-checkbox:checked + .premium-checkbox-label .premium-checkbox-custom {
    background: var(--gradient-gold);
    border-color: var(--gold-accent);
}

.premium-checkbox:checked + .premium-checkbox-label .premium-checkbox-custom i {
    opacity: 1;
    transform: scale(1);
}

.premium-checkbox:checked + .premium-checkbox-label {
    color: var(--text-primary);
}

/* Forgot Password Link */
.premium-forgot-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: var(--text-sm);
    transition: all var(--transition-base);
    position: relative;
}

.premium-forgot-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--gold-accent);
    transition: width var(--transition-base);
}

.premium-forgot-link:hover {
    color: var(--gold-accent);
}

.premium-forgot-link:hover::after {
    width: 100%;
}

/* Captcha Container */
.premium-captcha-container {
    margin-bottom: var(--space-xl);
    display: flex;
    justify-content: center;
}

.premium-captcha-container .g-recaptcha {
    transform: scale(0.95);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

/* Login Button */
.premium-login-btn {
    width: 100%;
    background: var(--gradient-gold);
    color: var(--primary-color);
    border: none;
    padding: var(--space-lg) var(--space-xl);
    border-radius: var(--radius-full);
    font-size: var(--text-base);
    font-weight: 700;
    cursor: pointer;
    transition: all var(--transition-smooth);
    position: relative;
    overflow: hidden;
    margin-bottom: var(--space-xl);
    box-shadow: var(--shadow-md);
}

.premium-login-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.premium-login-btn:hover::before {
    left: 100%;
}

.premium-login-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-content,
.btn-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
}

.btn-loading {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0;
    transform: translateY(10px);
}

.premium-login-btn.loading .btn-content {
    opacity: 0;
    transform: translateY(-10px);
}

.premium-login-btn.loading .btn-loading {
    opacity: 1;
    transform: translateY(0);
}

/* Divider */
.premium-divider {
    position: relative;
    text-align: center;
    margin: var(--space-xl) 0;
}

.premium-divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--border-light);
}

.divider-text {
    background: var(--bg-overlay);
    color: var(--text-muted);
    padding: 0 var(--space-lg);
    font-size: var(--text-sm);
    position: relative;
    z-index: 1;
}

/* Register Section */
.premium-register-section {
    text-align: center;
    margin-bottom: var(--space-lg);
}

.register-text {
    color: var(--text-secondary);
    font-size: var(--text-sm);
    margin-bottom: var(--space-md);
}

.premium-register-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    background: transparent;
    color: var(--text-secondary);
    border: 2px solid var(--border-color);
    padding: var(--space-md) var(--space-xl);
    border-radius: var(--radius-full);
    text-decoration: none;
    font-weight: 600;
    transition: all var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.premium-register-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-gold);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.premium-register-btn:hover {
    border-color: var(--gold-accent);
    color: var(--primary-color);
    transform: translateY(-2px);
}

.premium-register-btn:hover::before {
    opacity: 1;
}

.premium-register-btn i,
.premium-register-btn span {
    position: relative;
    z-index: 1;
}

/* Modal Footer */
.premium-modal-footer {
    background: rgba(255, 255, 255, 0.03);
    border-top: 1px solid var(--border-light);
    padding: var(--space-lg) var(--space-xl);
    border: none;
}

.footer-security {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: var(--text-sm);
}

.footer-security i {
    color: var(--success-color);
}

/* Loading Spinner */
.loading-spinner {
    width: 16px;
    height: 16px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-right: var(--space-sm);
}

/* Responsive Design */
@media (max-width: 576px) {
    .premium-modal-dialog {
        margin: 0.5rem;
        max-width: none;
    }
    
    .premium-modal-header,
    .premium-modal-body,
    .premium-modal-footer {
        padding-left: var(--space-lg);
        padding-right: var(--space-lg);
    }
    
    .modal-title-container {
        flex-direction: column;
        text-align: center;
        gap: var(--space-md);
    }
    
    .premium-form-options {
        flex-direction: column;
        gap: var(--space-md);
        align-items: flex-start;
    }
    
    .premium-captcha-container .g-recaptcha {
        transform: scale(0.8);
    }
}

/* Animation Keyframes */
@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Focus Management */
.premium-form-control:focus,
.premium-login-btn:focus,
.premium-register-btn:focus,
.premium-forgot-link:focus {
    outline: 2px solid var(--gold-accent);
    outline-offset: 2px;
}

/* Error States */
.premium-form-control.is-invalid {
    border-color: var(--error-color);
    background: rgba(245, 101, 101, 0.1);
}

.premium-form-control.is-invalid:focus {
    box-shadow: 0 0 0 3px rgba(245, 101, 101, 0.1);
}

/* Success States */
.premium-form-control.is-valid {
    border-color: var(--success-color);
    background: rgba(72, 187, 120, 0.1);
}

.premium-form-control.is-valid:focus {
    box-shadow: 0 0 0 3px rgba(72, 187, 120, 0.1);
}