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

:root {
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --secondary-color: #8b5cf6;
    --accent-color: #06b6d4;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    --text-primary: #ffffff;
    --text-secondary: #a1a1aa;
    --text-light: #71717a;
    --bg-primary: #0a0a0a;
    --bg-secondary: #111111;
    --bg-tertiary: #1a1a1a;
    --bg-card: #1e1e1e;
    --border-color: #27272a;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.3);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.4), 0 2px 4px -2px rgb(0 0 0 / 0.4);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.5), 0 4px 6px -4px rgb(0 0 0 / 0.5);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.6), 0 8px 10px -6px rgb(0 0 0 / 0.6);
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
}

html, body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 50%, #111111 100%);
    min-height: 100vh;
    margin: 0;
    padding: 0;
    overflow-x: hidden;
}

body {
    background-attachment: fixed;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}


.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.nav-brand i {
    font-size: 1.75rem;
}

.nav-logo {
    width: 100px;
    height: 100px;
    object-fit: contain;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    transition: color 0.2s ease;
}

.nav-link:hover {
    color: var(--text-primary);
}


.main {
    margin-top: 80px;
    min-height: calc(100vh - 80px);
    display: flex;
    flex-direction: column;
}


.hero {
    padding: 4rem 0 2rem;
    text-align: center;
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-content {
    max-width: 1600px;
    margin: 0 auto;
    width: 100%;
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: white;
}

.gradient-text {
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}


.url-form-container {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    padding: 2rem 6rem;
    box-shadow: var(--shadow-xl);
    margin-bottom: 2rem;
    max-width: 100%;
    border: 1px solid var(--border-color);
    width: 100%;
}

.url-form {
    margin-bottom: 0;
}

.input-group {
    display: flex;
    gap: 1.5rem;
    align-items: center;
    max-width: 100%;
    width: 100%;
}

.input-wrapper {
    position: relative;
    flex: 1;
}

.input-icon {
    position: absolute;
    left: 1.5rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-light);
    font-size: 1.25rem;
}

.url-input {
    width: 100%;
    padding: 1.25rem 2.5rem 1.25rem 4rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    font-size: 1.125rem;
    transition: all 0.2s ease;
    background: var(--bg-secondary);
    color: var(--text-primary);
    height: 60px;
    box-sizing: border-box;
}

.url-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.submit-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0 3.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    border-radius: var(--radius-lg);
    font-size: 1.125rem;
    font-weight: 600;
    height: 60px;
    box-sizing: border-box;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

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

.submit-btn:active {
    transform: translateY(0);
}

.submit-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}


.result-section {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    border: 1px solid var(--border-color);
}

.result-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.result-header h3 {
    color: var(--text-primary);
    font-size: 1.125rem;
    font-weight: 600;
}

.copy-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--success-color);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.copy-btn:hover {
    background: #059669;
    transform: translateY(-1px);
}

.result-url {
    margin-bottom: 1rem;
}

.short-url-input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 1rem;
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-family: 'Monaco', 'Menlo', monospace;
}

.analytics-info {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.analytics-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.analytics-item i {
    color: var(--success-color);
}


.stats-link-section {
    margin-top: 1.5rem;
    margin-bottom: 0;
    animation: slideInUp 0.5s ease-out;
}

.stats-link-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow-md);
}

.stats-link-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.stats-link-header i {
    color: var(--primary-color);
    font-size: 1.25rem;
}

.stats-link-header h3 {
    color: var(--text-primary);
    font-size: 1.125rem;
    font-weight: 600;
    margin: 0;
}

.stats-link-description {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: 1.5rem;
    line-height: 1.5;
}

.stats-link-container {
    display: flex;
    gap: 1rem;
    align-items: stretch;
    margin-bottom: 1rem;
}

.stats-url-input {
    flex: 1;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-family: 'Monaco', 'Menlo', monospace;
    cursor: pointer;
    transition: border-color 0.2s ease;
}

.stats-url-input:hover {
    border-color: var(--primary-color);
}

.stats-url-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.1);
}

.view-stats-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.view-stats-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
}

.stats-link-footer {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-light);
    font-size: 0.75rem;
}

.stats-link-footer i {
    color: var(--accent-color);
}


.product-info {
    margin-top: 1.5rem;
    margin-bottom: 0;
    animation: slideInUp 0.5s ease-out;
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.product-card {
    background: var(--bg-card);
    border: 2px solid var(--primary-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    position: relative;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
}

.product-header {
    background: var(--bg-tertiary);
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.product-header h3 {
    color: var(--text-primary);
    font-size: 1.125rem;
    font-weight: 600;
}

.product-content {
    display: flex;
    gap: 1.5rem;
    padding: 1.5rem;
    align-items: flex-start;
}

.product-image-container {
    flex-shrink: 0;
}

.product-image {
    width: 120px;
    height: 120px;
    object-fit: contain;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    padding: 0.5rem;
}

.product-details {
    flex: 1;
}

.product-name {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    line-height: 1.4;
}

.brand-name {
    color: var(--text-secondary);
    font-size: 1rem;
    margin-bottom: 1rem;
}

.product-price {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

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

.price-value {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--success-color);
}

.product-id {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

.id-value {
    font-family: 'Monaco', 'Menlo', monospace;
    font-size: 0.875rem;
    color: var(--text-primary);
    background: var(--bg-tertiary);
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
}


.features-preview {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
    margin-top: 3rem;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.875rem;
    font-weight: 500;
}

.feature-item i {
    color: var(--accent-color);
}


.features {
    padding: 6rem 0;
    background: var(--bg-primary);
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 3rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.feature-card {
    text-align: center;
    padding: 2rem;
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    transition: all 0.2s ease;
}

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

.feature-icon {
    width: 4rem;
    height: 4rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
    font-size: 1.5rem;
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}


.analytics {
    padding: 6rem 0;
    background: var(--bg-secondary);
}

.analytics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.analytics-card {
    text-align: center;
    padding: 2rem;
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.analytics-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.analytics-label {
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}


.loading-state {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 200px;
}

.loading-spinner {
    text-align: center;
    color: var(--text-secondary);
}

.loading-spinner i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.error-state {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 200px;
}

.error-card {
    background: var(--bg-card);
    border: 1px solid var(--error-color);
    border-radius: var(--radius-lg);
    padding: 2rem;
    text-align: center;
    max-width: 400px;
    box-shadow: var(--shadow-lg);
}

.error-card i {
    font-size: 3rem;
    color: var(--error-color);
    margin-bottom: 1rem;
}

.error-card h3 {
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.error-card p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.back-btn {
    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: var(--radius-md);
    font-weight: 500;
    transition: all 0.2s ease;
}

.back-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
}

.analytics-content {
    max-width: 800px;
    margin: 0 auto;
}

.url-info-card, .product-info-card, .actions-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-md);
}

.url-info-header, .product-info-header {
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border-color);
}

.url-info-header h3, .product-info-header h3 {
    color: var(--text-primary);
    font-size: 1.125rem;
    font-weight: 600;
    margin: 0;
}

.url-info-content {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.url-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.url-item label {
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
}

.url-value {
    color: var(--text-primary);
    font-family: 'Monaco', 'Menlo', monospace;
    font-size: 0.875rem;
    background: var(--bg-secondary);
    padding: 0.5rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
}

.url-link {
    color: var(--primary-color);
    text-decoration: none;
    font-size: 0.875rem;
    word-break: break-all;
    transition: color 0.2s ease;
}

.url-link:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

.analytics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.analytics-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: all 0.2s ease;
}

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

.analytics-icon {
    width: 3rem;
    height: 3rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    color: white;
    font-size: 1.25rem;
}

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

.analytics-label {
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.product-info-content {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
}

.actions-card h3 {
    color: var(--text-primary);
    font-size: 1.125rem;
    font-weight: 600;
    margin: 0 0 1rem 0;
}

.actions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
}

.action-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.action-btn:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    transform: translateY(-1px);
}


.footer {
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    color: white;
    padding: 2rem 0 1rem;
    margin-top: auto;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.25rem;
    font-weight: 600;
}

.footer-logo {
    width: 24px;
    height: 24px;
    object-fit: contain;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.2s ease;
}

.footer-links a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
}


.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.loading-spinner {
    background: var(--bg-primary);
    padding: 2rem;
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-xl);
}

.loading-spinner i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.loading-spinner p {
    color: var(--text-secondary);
    font-weight: 500;
}


.stats-results {
    margin-top: 2rem;
    animation: slideInUp 0.5s ease-out;
}

.stats-card {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    padding: 2rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
}

.stats-card-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.stats-card-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.stats-card-header i {
    color: var(--primary-color);
    font-size: 1.125rem;
}

.stats-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
}

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

.stats-item label {
    font-weight: 500;
    color: var(--text-secondary);
    min-width: 120px;
}

.stats-value {
    color: var(--text-primary);
    font-weight: 500;
}

.stats-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    word-break: break-all;
}

.stats-link:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

.analytics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.analytics-card {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    text-align: center;
    border: 1px solid var(--border-color);
    transition: all 0.2s ease;
}

.analytics-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.analytics-icon {
    width: 3rem;
    height: 3rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
}

.analytics-icon i {
    color: white;
    font-size: 1.25rem;
}

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

.analytics-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.product-info-content {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
}

.product-image-container {
    flex-shrink: 0;
}

.product-details {
    flex: 1;
}

.product-name {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 0.5rem 0;
}

.brand-name {
    color: var(--text-secondary);
    margin: 0 0 1rem 0;
    font-size: 1rem;
}

.product-price, .product-id {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.price-label, .id-label {
    font-weight: 500;
    color: var(--text-secondary);
    min-width: 80px;
}

.price-value, .id-value {
    color: var(--text-primary);
    font-weight: 500;
}

.actions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.action-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.2s ease;
    cursor: pointer;
}

.action-btn:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    transform: translateY(-1px);
}

.action-btn i {
    font-size: 0.875rem;
}


.nav-link.active {
    color: var(--primary-color);
    font-weight: 600;
}


.toast {
    position: fixed;
    top: 2rem;
    right: 2rem;
    background: var(--success-color);
    color: white;
    padding: 1rem 1.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    z-index: 10000;
    transform: translateX(100%);
    transition: transform 0.3s ease;
}

.toast.show {
    transform: translateX(0);
}

.toast i {
    font-size: 1.25rem;
}


.hidden {
    display: none !important;
    visibility: hidden !important;
    opacity: 0 !important;
}


@media (max-width: 1024px) {
    .product-content {
        gap: 1.25rem;
        padding: 1.25rem;
    }
    
    .product-image {
        width: 110px;
        height: 110px;
    }
}

@media (max-width: 768px) {
    .nav {
        padding: 1rem;
    }
    
    .nav-links {
        display: none;
    }
    
    .hero {
        padding: 2rem 0 1rem;
    }
    
    .hero-title {
        font-size: 2.25rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
        margin-bottom: 1.5rem;
    }
    
    .input-group {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .submit-btn {
        justify-content: center;
        padding: 1rem 1.5rem;
    }
    
    .url-form-container {
        margin-bottom: 1.5rem;
    }
    
    .product-content {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
        padding: 1rem;
    }
    
    .product-image-container {
        display: flex;
        justify-content: center;
        width: 100%;
    }
    
    .product-image {
        width: 150px;
        height: 150px;
        margin: 0 auto;
        object-fit: contain;
    }
    
    .product-details {
        text-align: center;
    }
    
    .product-name {
        font-size: 1.125rem;
        margin-bottom: 0.75rem;
    }
    
    .brand-name {
        font-size: 0.875rem;
        margin-bottom: 1rem;
    }
    
    .product-price {
        justify-content: center;
        margin-bottom: 0.75rem;
    }
    
    .product-id {
        justify-content: center;
    }
    
    .result-section {
        padding: 1rem;
    }
    
    .result-header {
        flex-direction: column;
        align-items: stretch;
        text-align: center;
    }
    
    .result-header h3 {
        margin-bottom: 0.5rem;
    }
    
    .copy-btn {
        align-self: center;
    }
    
    .analytics-info {
        justify-content: center;
    }
    
    .stats-link-container {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .view-stats-btn {
        justify-content: center;
    }
    
    .features-preview {
        gap: 1rem;
    }
    
    .feature-item {
        font-size: 0.75rem;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .footer-links {
        gap: 1rem;
    }
    
    .toast {
        top: 1rem;
        right: 1rem;
        left: 1rem;
        transform: translateY(-100%);
    }
    
    .toast.show {
        transform: translateY(0);
    }
    
    
    .analytics-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: 1rem;
    }
    
    .stats-card {
        padding: 1.5rem;
    }
    
    .product-info-content {
        flex-direction: column;
        gap: 1rem;
    }
    
    .actions-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 1.5rem 0 1rem;
    }
    
    .hero-title {
        font-size: 1.75rem;
    }
    
    .url-form-container {
        padding: 1.5rem 3rem;
    }
    
    .url-input {
        padding: 1rem 2rem 1rem 3.5rem;
        font-size: 1rem;
        height: 55px;
    }
    
    .submit-btn {
        padding: 0 3rem;
        font-size: 1rem;
        height: 55px;
    }
    
    .features {
        padding: 4rem 0;
    }
    
    .analytics {
        padding: 4rem 0;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .product-content {
        padding: 1rem;
        gap: 0.75rem;
    }
    
    .product-image {
        width: 120px;
        height: 120px;
    }
    
    .product-name {
        font-size: 1rem;
        line-height: 1.3;
    }
    
    .brand-name {
        font-size: 0.8rem;
    }
    
    .price-value {
        font-size: 1.125rem;
    }
    
    .id-value {
        font-size: 0.75rem;
        word-break: break-all;
    }
    
    .result-section {
        padding: 0.75rem;
    }
    
    .result-header h3 {
        font-size: 1rem;
    }
    
    .copy-btn {
        padding: 0.5rem 0.75rem;
        font-size: 0.8rem;
    }
    
    .analytics-info {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .analytics-item {
        justify-content: center;
    }
    
    .product-info-content {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    
    .product-image {
        width: 120px;
        height: 120px;
        margin: 0 auto;
    }
    
    .actions-grid {
        grid-template-columns: 1fr;
    }
    
    .analytics-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}