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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    background-color: #ffffff;
    color: #000000;
    line-height: 1.6;
    padding: 20px;
}

.container {
    max-width: 600px;
    margin: 0 auto;
    padding: 20px;
}

/* Product Image Container */
.product-image-container {
    width: 100%;
    margin-bottom: 30px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.product-image {
    width: 100%;
    max-width: 400px;
    height: 400px;
    background: #ffffff;
    border-radius: 12px;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

/* Watch 3D Representation */
.watch-3d {
    width: 280px;
    height: 280px;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.watch-face {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
    border: 8px solid #d4af37;
    position: relative;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.watch-dial {
    width: 100%;
    height: 100%;
    position: relative;
    border-radius: 50%;
}

.watch-hands {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 2px;
    height: 80px;
}

.hour-hand {
    position: absolute;
    width: 4px;
    height: 50px;
    background: #ffffff;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    transform-origin: bottom center;
    transform: translateX(-50%) rotate(45deg);
    border-radius: 2px;
}

.minute-hand {
    position: absolute;
    width: 2px;
    height: 70px;
    background: #ffffff;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    transform-origin: bottom center;
    transform: translateX(-50%) rotate(90deg);
    border-radius: 1px;
}

.watch-markers {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
}

.marker {
    position: absolute;
    color: #ffffff;
    font-size: 16px;
    font-weight: bold;
}

.marker:nth-child(1) {
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
}

.marker:nth-child(2) {
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
}

.marker:nth-child(3) {
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
}

.marker:nth-child(4) {
    left: 10px;
    top: 50%;
    transform: translateY(-50%);
}

.watch-band {
    width: 180px;
    height: 80px;
    background: linear-gradient(135deg, #2d2d2d 0%, #1a1a1a 100%);
    border: 2px solid #d4af37;
    border-top: none;
    border-radius: 0 0 40px 40px;
    margin-top: -10px;
}

/* Product Title Section */
.product-title-section {
    text-align: center;
    margin-bottom: 40px;
}

.product-title {
    font-size: 32px;
    font-weight: bold;
    color: #000000;
    margin-bottom: 10px;
    letter-spacing: 1px;
}

.product-subtitle {
    font-size: 16px;
    color: #000000;
    margin-bottom: 8px;
}

.product-id {
    font-size: 14px;
    color: #666666;
}

/* Info Buttons */
.info-buttons-container {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-top: 30px;
}

.info-button {
    background-color: #f5f5f5;
    border: none;
    border-radius: 12px;
    padding: 20px;
    font-size: 18px;
    color: #000000;
    text-align: center;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
}

.info-button:hover {
    background-color: #e8e8e8;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

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

/* Page Header */
.page-header {
    display: flex;
    align-items: center;
    margin-bottom: 30px;
    position: relative;
}

.back-button {
    background-color: #f5f5f5;
    border: none;
    border-radius: 8px;
    padding: 10px 20px;
    font-size: 16px;
    color: #000000;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    transition: background-color 0.3s ease;
}

.back-button:hover {
    background-color: #e8e8e8;
}

.page-title {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    font-size: 24px;
    font-weight: bold;
    color: #000000;
}

/* Content Card */
.content-card {
    background-color: #ffffff;
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 20px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.section-title {
    font-size: 20px;
    font-weight: bold;
    color: #000000;
    margin-bottom: 16px;
}

.info-item {
    padding: 12px 0;
    border-bottom: 1px solid #e8e8e8;
}

.info-item:last-child {
    border-bottom: none;
}

.info-label {
    font-weight: bold;
    color: #000000;
    margin-bottom: 4px;
}

.info-value {
    color: #333333;
    font-size: 15px;
}

/* Video Player */
.video-container {
    width: 100%;
    margin-bottom: 24px;
    border-radius: 12px;
    overflow: hidden;
    background: #ffffff;
    display: flex;
    justify-content: center;
    align-items: center;
}

.video-container video {
    width: auto;
    height: auto;
    max-width: 70%;
    max-height: 60vh;
    display: block;
    background: #ffffff;
}

/* Verification Icon */
.verification-icon {
    width: 80px;
    height: 80px;
    background-color: #4caf50;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.verification-icon::after {
    content: '✓';
    color: #ffffff;
    font-size: 48px;
    font-weight: bold;
}

.verification-status {
    text-align: center;
    margin-bottom: 30px;
}

.verification-status h2 {
    font-size: 24px;
    font-weight: bold;
    color: #000000;
    margin-bottom: 8px;
}

.verification-status p {
    font-size: 16px;
    color: #333333;
}

/* Social Media Buttons */
.social-buttons {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-top: 16px;
}

.social-button {
    padding: 12px;
    border-radius: 8px;
    border: none;
    color: #ffffff;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    text-decoration: none;
    transition: opacity 0.3s ease;
}

.social-button:hover {
    opacity: 0.9;
}

.social-button.instagram {
    background-color: #E4405F;
}

.social-button.facebook {
    background-color: #1877F2;
}

.social-button.tiktok {
    background-color: #000000;
}

.social-button.twitter {
    background-color: #1DA1F2;
}

/* NFT Button */
.nft-button {
    background-color: #000000;
    color: #ffffff;
    border: none;
    border-radius: 8px;
    padding: 16px 24px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    width: 100%;
    margin-top: 16px;
    transition: background-color 0.3s ease;
}

.nft-button:hover {
    background-color: #333333;
}

/* Transfer Button */
.transfer-button {
    background-color: #4caf50;
    color: #ffffff;
    border: none;
    border-radius: 8px;
    padding: 16px 24px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    width: 100%;
    margin-top: 20px;
    transition: background-color 0.3s ease;
}

.transfer-button:hover {
    background-color: #45a049;
}

/* Product Images */
.product-images {
    margin-bottom: 24px;
}

.main-product-image {
    width: 100%;
    border-radius: 12px;
    margin-bottom: 16px;
    background: #f5f5f5;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.thumbnail-images {
    display: flex;
    gap: 12px;
    justify-content: center;
}

.thumbnail {
    width: 80px;
    height: 80px;
    border-radius: 8px;
    background: #f5f5f5;
    cursor: pointer;
    border: 2px solid transparent;
    transition: border-color 0.3s ease;
    overflow: hidden;
    position: relative;
}

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

.thumbnail.active {
    border-color: #000000;
}

/* Color Swatches */
.color-swatches {
    display: flex;
    gap: 16px;
    margin-top: 12px;
}

.color-swatch {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.color-circle {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: 2px solid #e8e8e8;
    cursor: pointer;
}

.color-label {
    font-size: 14px;
    color: #333333;
}

/* Size Buttons */
.size-buttons {
    display: flex;
    gap: 12px;
    margin-top: 12px;
    flex-wrap: wrap;
}

.size-button {
    padding: 12px 24px;
    border: 2px solid #e8e8e8;
    background-color: #ffffff;
    border-radius: 8px;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.size-button:hover {
    border-color: #000000;
}

.size-button.active {
    border-color: #000000;
    background-color: #000000;
    color: #ffffff;
}

.size-guide-link {
    color: #666666;
    text-decoration: none;
    font-size: 14px;
    margin-left: auto;
    align-self: center;
}

.size-guide-link:hover {
    text-decoration: underline;
}

/* Feature Pills */
.feature-pills {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: 12px;
}

.feature-pill {
    padding: 8px 16px;
    background-color: #f5f5f5;
    border-radius: 20px;
    font-size: 14px;
    color: #000000;
}

/* Price and Weight */
.price-weight {
    display: flex;
    justify-content: space-between;
    margin: 24px 0;
    padding: 20px 0;
    border-top: 1px solid #e8e8e8;
    border-bottom: 1px solid #e8e8e8;
}

.price-weight-item {
    text-align: center;
}

.price-weight-label {
    font-size: 14px;
    color: #666666;
    margin-bottom: 8px;
}

.price-weight-value {
    font-size: 32px;
    font-weight: bold;
    color: #000000;
}

/* Specifications */
.specifications {
    margin-top: 24px;
}

.spec-category {
    margin-bottom: 20px;
}

.spec-category-title {
    font-weight: bold;
    color: #000000;
    margin-bottom: 8px;
}

.spec-item {
    padding: 8px 0;
    color: #333333;
    font-size: 14px;
}

/* Certifications */
.certifications {
    display: flex;
    gap: 24px;
    margin-top: 16px;
    justify-content: center;
}

.certification-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.certification-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    text-align: center;
    color: #ffffff;
    font-weight: bold;
}

.certification-icon.iso {
    background-color: #1877F2;
}

.certification-icon.eco {
    background-color: #4caf50;
}

.certification-label {
    font-size: 14px;
    color: #333333;
}

/* Care Instructions */
.care-list {
    list-style: none;
}

.care-list li {
    padding: 12px 0;
    border-bottom: 1px solid #e8e8e8;
    color: #333333;
}

.care-list li:last-child {
    border-bottom: none;
}

/* Recycling Section */
.recycling-section {
    background-color: #f5f5f5;
    border-radius: 8px;
    padding: 20px;
    margin-top: 24px;
}

.recycling-list {
    list-style: none;
    margin-top: 12px;
}

.recycling-list li {
    padding: 8px 0;
    color: #333333;
    position: relative;
    padding-left: 20px;
}

.recycling-list li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: #000000;
    font-weight: bold;
}

/* Responsive Design */
@media (max-width: 480px) {
    .product-title {
        font-size: 24px;
    }
    
    .page-title {
        font-size: 20px;
    }
    
    .social-buttons {
        grid-template-columns: 1fr;
    }
}