:root {
    --primary-color: #4cb354;
    --primary-dark: #409a47;
    --primary-light: #5bc85f;
    --bg-color: #f5f7fa;
    --card-bg: #ffffff;
    --border-color: #e5e7eb;
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 10px 20px rgba(0, 0, 0, 0.15);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
}

/* Public Header */
.public-header {
    background: white;
    border-bottom: 2px solid var(--primary-color);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow);
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.company-branding {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.company-logo {
    height: 50px;
}

.company-info h1 {
    font-size: 1.25rem;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.company-tagline {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.contact-info {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.contact-info a {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-primary);
    text-decoration: none;
    font-size: 0.9375rem;
    transition: color 0.2s ease;
}

.contact-info a:hover {
    color: var(--primary-color);
}

.contact-info i {
    color: var(--primary-color);
}

/* Breadcrumb Navigation */
.breadcrumb-nav {
    background: white;
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-color);
}

.breadcrumb-nav nav {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.breadcrumb-nav a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: opacity 0.2s;
}

.breadcrumb-nav a:hover {
    opacity: 0.7;
}

.breadcrumb-nav span {
    color: var(--text-secondary);
}

/* Back to Best Sellers Button */
.back-button-section {
    background: white;
    padding: 1.5rem 0;
}

.back-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: var(--primary-color);
    color: white;
    text-decoration: none;
    border-radius: 0.5rem;
    font-weight: 500;
    transition: all 0.2s;
    box-shadow: var(--shadow-md);
}

.back-button:hover {
    background: var(--primary-dark);
    transform: translateX(-2px);
}

/* Loading State */
.loading-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 400px;
}

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

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Product Showcase - Enhanced Catalog Layout */
.product-showcase {
    max-width: 1400px;
    margin: 3rem auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: 60% 40%;
    gap: 3rem;
}

.product-images {
    position: relative;
}

/* Main Image Container - Larger and Better */
.main-image {
    width: 100%;
    height: 650px;
    border-radius: 12px;
    overflow: hidden;
    background: white;
    box-shadow: var(--shadow-lg);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #fafafa;
}

.main-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
    transition: opacity 0.3s ease;
}

/* Image Navigation Dots */
.image-dots {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.9);
    padding: 0.5rem;
    border-radius: 20px;
    backdrop-filter: blur(10px);
}

.image-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
    opacity: 0.4;
}

.image-dot.active {
    background: var(--primary-color);
    opacity: 1;
    transform: scale(1.2);
}

/* Thumbnail Strip */
.thumbnail-strip {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.75rem;
    margin-top: 1rem;
}

.thumbnail {
    width: 100%;
    aspect-ratio: 1;
    border-radius: 8px;
    overflow: hidden;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all 0.2s ease;
    background: white;
    box-shadow: var(--shadow);
    opacity: 0.6;
}

.thumbnail.active {
    border-color: var(--primary-color);
    opacity: 1;
    box-shadow: var(--shadow-md);
}

.thumbnail:hover {
    opacity: 1;
    transform: translateY(-2px);
}

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

.image-placeholder {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 100%;
    width: 100%;
    background: linear-gradient(135deg, #f5f7fa, #e5e7eb);
    color: var(--text-secondary);
}

.image-placeholder i {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

/* Color Selection - Enhanced and Larger */
.color-selection {
    margin-top: 2rem;
    padding: 1.5rem;
    background: var(--bg-color);
    border-radius: 12px;
}

.color-selection h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.color-swatches {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(70px, 1fr));
    gap: 1rem;
}

.color-swatch {
    text-align: center;
    cursor: pointer;
    transition: all 0.2s ease;
}

.color-swatch-image {
    width: 70px;
    height: 70px;
    border-radius: 8px;
    overflow: hidden;
    border: 3px solid transparent;
    box-shadow: var(--shadow);
    transition: all 0.2s ease;
    margin: 0 auto;
}

.color-swatch.active .color-swatch-image {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(76, 179, 84, 0.2);
}

.color-swatch:hover .color-swatch-image {
    transform: scale(1.05);
}

.color-swatch-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.color-name {
    margin-top: 0.5rem;
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.color-swatch.active .color-name {
    color: var(--primary-color);
    font-weight: 600;
}

/* Product Information */
.product-info {
    padding-top: 1rem;
}

.product-badge {
    display: inline-block;
    background: var(--primary-light);
    color: white;
    padding: 0.375rem 0.875rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 1rem;
}

.product-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.product-style {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.product-description {
    color: var(--text-primary);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.product-features {
    background: var(--bg-color);
    padding: 1.5rem;
    border-radius: 12px;
    margin-bottom: 2rem;
}

.product-features h3 {
    font-size: 1.125rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.feature-list {
    list-style: none;
}

.feature-list li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-primary);
}

.feature-list li:before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.product-details {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-bottom: 2rem;
}

.detail-item {
    padding: 0.75rem;
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

.detail-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
}

.detail-value {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    padding: 2rem;
    border-radius: 12px;
    color: white;
    text-align: center;
    margin-bottom: 2rem;
}

.cta-section h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.cta-section p {
    margin-bottom: 1.5rem;
    opacity: 0.95;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 0.875rem 2rem;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.2s ease;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: white;
    color: var(--primary-color);
}

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

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.btn-secondary:hover {
    background: white;
    color: var(--primary-color);
}

/* Related Products */
.related-section {
    max-width: 1200px;
    margin: 4rem auto;
    padding: 0 2rem;
}

.related-section h2 {
    font-size: 1.75rem;
    margin-bottom: 2rem;
    text-align: center;
    color: var(--text-primary);
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.related-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    cursor: pointer;
}

.related-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.related-image {
    height: 200px;
    background: var(--bg-color);
    display: flex;
    justify-content: center;
    align-items: center;
}

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

.related-content {
    padding: 1.5rem;
}

.related-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.related-style {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Footer */
.footer {
    background: var(--text-primary);
    color: white;
    padding: 2rem 0;
    margin-top: 4rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    text-align: center;
}

.footer-content p {
    margin-bottom: 0.5rem;
    opacity: 0.9;
}

/* Responsive Design */
@media (max-width: 768px) {
    .header-container {
        flex-direction: column;
        gap: 1rem;
    }

    .product-showcase {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .product-details {
        grid-template-columns: 1fr;
    }

    .cta-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }

    .related-grid {
        grid-template-columns: 1fr;
    }
}