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

:root {
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    --dark-bg: radial-gradient(circle at top, #0f172a 0%, #1e293b 50%, #0f172a 100%);
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.2);
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --accent-primary: #667eea;
    --accent-secondary: #764ba2;
    --accent-tertiary: #f093fb;
    --success: #10b981;
    --error: #ef4444;
    --warning: #f59e0b;
    --card-bg: rgba(30, 41, 59, 0.8);
    --card-border: rgba(148, 163, 184, 0.2);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Inter', Oxygen, Ubuntu, Cantarell, sans-serif;
    background: var(--dark-bg);
    background-attachment: fixed;
    min-height: 100vh;
    padding: 2rem;
    color: var(--text-primary);
    position: relative;
    overflow-x: hidden;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(102, 126, 234, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(118, 75, 162, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 40% 20%, rgba(240, 147, 251, 0.1) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--card-border);
    border-radius: 2rem;
    box-shadow: 
        0 20px 60px rgba(0, 0, 0, 0.5),
        0 0 0 1px rgba(255, 255, 255, 0.05) inset;
    padding: 2.5rem;
    position: relative;
    z-index: 1;
    animation: fadeInUp 0.6s ease-out;
}

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

header {
    text-align: center;
    margin-bottom: 2.5rem;
    position: relative;
}

.header-nav {
    position: absolute;
    top: 0;
    left: 0;
}

.home-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.2rem;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    color: var(--text-primary);
    text-decoration: none;
    border-radius: 0.75rem;
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: 0.9rem;
    border: 1px solid var(--glass-border);
}

.home-link:hover {
    background: rgba(102, 126, 234, 0.3);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.3);
    border-color: var(--accent-primary);
}

header h1 {
    font-size: 2.75rem;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.75rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 1.15rem;
    font-weight: 400;
}

.mode-toggle {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    justify-content: center;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    padding: 0.5rem;
    border-radius: 1rem;
    border: 1px solid var(--glass-border);
}

.mode-btn {
    padding: 0.75rem 2rem;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    border-radius: 0.75rem;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.mode-btn.active {
    background: var(--primary-gradient);
    color: white;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.mode-btn:hover:not(.active) {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

/* Mode sections - hide inactive ones */
.mode-section {
    display: none;
}

.mode-section.active {
    display: block;
}

/* Disable bulk mode section when payment required */
.mode-section.locked {
    opacity: 0.5;
    pointer-events: none;
    position: relative;
}

.mode-section.locked::before {
    content: '🔒 Payment Required';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--card-bg);
    padding: 1rem 2rem;
    border-radius: 1rem;
    border: 2px solid var(--accent-primary);
    font-weight: 700;
    font-size: 1.2rem;
    z-index: 10;
    pointer-events: none;
}

.mode-badge {
    display: inline-block;
    padding: 0.2rem 0.5rem;
    border-radius: 0.5rem;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-left: 0.5rem;
}

.mode-badge.free {
    background: rgba(16, 185, 129, 0.2);
    color: #10b981;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.mode-badge.premium {
    background: rgba(240, 147, 251, 0.2);
    color: #f093fb;
    border: 1px solid rgba(240, 147, 251, 0.3);
}

.input-group {
    margin-bottom: 1.75rem;
}

.input-group label {
    display: block;
    margin-bottom: 0.75rem;
    font-weight: 600;
    color: var(--text-primary);
    font-size: 1rem;
}

.input-group input,
.input-group textarea,
.input-group select {
    width: 100%;
    padding: 1rem;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 0.75rem;
    font-size: 1rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    color: var(--text-primary);
    font-family: inherit;
}

.input-group input::placeholder,
.input-group textarea::placeholder {
    color: var(--text-secondary);
    opacity: 0.6;
}

.input-group input:focus,
.input-group textarea:focus,
.input-group select:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.2);
    background: rgba(255, 255, 255, 0.15);
}

.input-group textarea {
    resize: vertical;
    min-height: 150px;
    font-family: 'Monaco', 'Menlo', 'Courier New', monospace;
    line-height: 1.6;
}

.url-counter {
    margin-top: 0.75rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
}

.button-group {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.btn {
    padding: 0.875rem 2rem;
    border: none;
    border-radius: 0.75rem;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.875rem;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: var(--primary-gradient);
    color: white;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.5);
}

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

.btn-secondary {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    color: var(--text-primary);
    border: 1px solid var(--glass-border);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: var(--accent-secondary);
    transform: translateY(-2px);
}

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.8rem;
    background: var(--glass-bg);
    color: var(--text-secondary);
    border: 1px solid var(--glass-border);
}

.btn-small:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

.preview-section {
    margin-bottom: 2rem;
    padding: 0;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border-radius: 1rem;
    border: 1px solid var(--glass-border);
    overflow: hidden;
}

.product-preview {
    display: flex;
    gap: 2rem;
    padding: 2rem;
}

.product-preview-left {
    flex: 0 0 300px;
}

.product-preview-image {
    width: 100%;
    max-width: 300px;
    height: auto;
    border-radius: 1rem;
    object-fit: contain;
    background: var(--card-bg);
    padding: 1rem;
    border: 1px solid var(--glass-border);
}

.product-preview-image-placeholder {
    width: 100%;
    height: 300px;
    background: var(--card-bg);
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 1.1rem;
    border: 1px dashed var(--glass-border);
}

.product-preview-right {
    flex: 1;
}

.product-preview-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
    line-height: 1.3;
}

.product-preview-price {
    font-size: 1.75rem;
    font-weight: 800;
    background: linear-gradient(135deg, #ef4444, #f59e0b);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.product-preview-asin {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-family: 'Monaco', monospace;
}

.product-preview-description {
    margin-top: 1.5rem;
}

.product-preview-description h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.product-bullets {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.product-bullet {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.6;
    padding-left: 1.5rem;
    position: relative;
}

.product-bullet::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--accent-primary);
    font-weight: bold;
}

.data-boxes {
    display: grid;
    gap: 1.5rem;
}

.data-box {
    border: 1px solid var(--glass-border);
    border-radius: 1rem;
    padding: 1.75rem;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.data-box:hover {
    border-color: var(--accent-primary);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.2);
    transform: translateY(-2px);
}

.data-box-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.25rem;
}

.data-box-title {
    font-size: 1.25rem;
    font-weight: 700;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.copy-btn {
    padding: 0.5rem 1rem;
    background: var(--primary-gradient);
    color: white;
    border: none;
    border-radius: 0.5rem;
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 600;
    transition: all 0.3s;
}

.copy-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.data-box-content {
    line-height: 1.8;
    color: var(--text-secondary);
    white-space: pre-wrap;
    word-wrap: break-word;
    font-size: 0.95rem;
}

.data-box-image {
    max-width: 100%;
    height: auto;
    border-radius: 0.75rem;
    margin: 1rem 0;
    max-height: 300px;
    object-fit: contain;
    border: 1px solid var(--glass-border);
}

.progress-section {
    margin: 2rem 0;
}

.progress-bar {
    width: 100%;
    height: 12px;
    background: var(--card-bg);
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 0.75rem;
    border: 1px solid var(--glass-border);
}

.progress-fill {
    height: 100%;
    background: var(--primary-gradient);
    width: 0%;
    transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 0.75rem;
    position: relative;
    overflow: hidden;
}

.progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.progress-text {
    display: flex;
    justify-content: space-between;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
}

.bulk-results {
    margin-top: 2rem;
}

.bulk-results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.bulk-results-header h2 {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 1.75rem;
    font-weight: 700;
}

.bulk-actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    align-items: center;
}

.include-blog-label {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.6rem 1.2rem;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border-radius: 0.75rem;
    font-size: 0.9rem;
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.3s;
    user-select: none;
    border: 1px solid var(--glass-border);
}

.include-blog-label:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: var(--accent-primary);
}

.include-blog-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--accent-primary);
}

.bulk-result-card {
    border: 1px solid var(--glass-border);
    border-radius: 1rem;
    padding: 1.75rem;
    margin-bottom: 1.5rem;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.bulk-result-card:hover {
    border-color: var(--accent-primary);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.2);
    transform: translateY(-2px);
}

.bulk-result-card.expanded {
    border-color: var(--accent-primary);
    background: rgba(102, 126, 234, 0.1);
}

.bulk-result-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.bulk-result-title {
    font-weight: 700;
    color: var(--text-primary);
    font-size: 1.15rem;
}

.expand-icon {
    font-size: 1.5rem;
    color: var(--accent-primary);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.bulk-result-card.expanded .expand-icon {
    transform: rotate(180deg);
}

.bulk-result-expanded {
    display: none;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--glass-border);
}

.bulk-result-card.expanded .bulk-result-expanded {
    display: block;
}

.bulk-result-status {
    display: inline-block;
    padding: 0.35rem 0.875rem;
    border-radius: 1.5rem;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.status-success {
    background: rgba(16, 185, 129, 0.2);
    color: #10b981;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.status-error {
    background: rgba(239, 68, 68, 0.2);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.data-box-content .blog-article {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.8;
    color: var(--text-secondary);
}

.data-box-content .blog-header {
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--glass-border);
}

.data-box-content .blog-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.data-box-content .blog-price {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, #ef4444, #f59e0b);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-top: 0.5rem;
}

.data-box-content .blog-image-container {
    margin: 2rem 0;
    text-align: center;
}

.data-box-content .blog-image-link {
    display: inline-block;
}

.data-box-content .blog-featured-image {
    max-width: 100%;
    height: auto;
    border-radius: 1rem;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--glass-border);
}

.data-box-content .blog-content {
    margin: 2rem 0;
}

.data-box-content .blog-section {
    margin-bottom: 2rem;
}

.data-box-content .blog-section h2 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
    margin-top: 2rem;
}

.data-box-content .blog-section p {
    margin-bottom: 1rem;
    line-height: 1.8;
}

.data-box-content .blog-affiliate-link {
    color: #60a5fa;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.data-box-content .blog-affiliate-link:hover {
    color: #3b82f6;
    text-decoration: underline;
}

.data-box-content .blog-cta {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    padding: 2rem;
    border-radius: 1rem;
    margin: 2rem 0;
    text-align: center;
    border: 1px solid var(--glass-border);
}

.data-box-content .blog-cta h2 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.data-box-content .blog-cta-button {
    display: inline-block;
    padding: 0.875rem 2rem;
    background: var(--primary-gradient);
    color: white;
    text-decoration: none;
    border-radius: 0.75rem;
    font-weight: 600;
    margin-top: 1rem;
    transition: all 0.3s;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.data-box-content .blog-cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.5);
}

.data-box-content .blog-footer {
    margin-top: 2rem;
    padding-top: 1rem;
    border-top: 1px solid var(--glass-border);
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-style: italic;
}

/* Payment Modal Styles */
.payment-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    animation: fadeIn 0.3s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.payment-modal-content {
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 1.5rem;
    padding: 2rem;
    max-width: 550px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 
        0 20px 60px rgba(0, 0, 0, 0.5),
        0 0 0 1px rgba(255, 255, 255, 0.05) inset;
    animation: slideUp 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

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

.payment-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.25rem;
}

.payment-modal-header h2 {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 1.5rem;
    font-weight: 700;
}

.payment-modal-close {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 2rem;
    cursor: pointer;
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 0.5rem;
    transition: all 0.3s;
}

.payment-modal-close:hover {
    background: var(--glass-bg);
    color: var(--text-primary);
}

.payment-modal-body {
    text-align: center;
}

.payment-description {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.5;
    margin-bottom: 1.25rem;
}

.payment-features {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 0.75rem;
    padding: 1rem;
    margin-bottom: 1.25rem;
    text-align: left;
}

.payment-feature {
    color: var(--text-primary);
    font-size: 0.9rem;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--glass-border);
}

.payment-feature:last-child {
    border-bottom: none;
}

.payment-checkout-btn {
    width: 100%;
    padding: 0.875rem 1.5rem;
    font-size: 1rem;
    margin-bottom: 0.75rem;
}

.payment-price {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 1rem;
    padding: 1.5rem;
    margin: 1.5rem 0;
    text-align: center;
}

.price-amount {
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.price-type {
    color: var(--text-secondary);
    font-size: 1rem;
    margin-bottom: 0.25rem;
}

.price-access {
    color: var(--success);
    font-size: 1.1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.payment-note {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-top: 1rem;
}

.payment-modal-footer {
    margin-top: 1.25rem;
    padding-top: 1rem;
    border-top: 1px solid var(--glass-border);
}

.payment-modal-footer .btn {
    width: 100%;
    margin-top: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-size: 0.9rem;
}

/* Rate Limit Message */
.rate-limit-message {
    margin-top: 1rem;
    padding: 1rem;
    border-radius: 0.75rem;
    font-weight: 600;
    text-align: center;
    animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.rate-limit-error {
    background: rgba(239, 68, 68, 0.2);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.rate-limit-info {
    background: rgba(59, 130, 246, 0.2);
    color: #3b82f6;
    border: 1px solid rgba(59, 130, 246, 0.3);
}

/* Mobile Responsive Styles */
@media (max-width: 768px) {
    body {
        padding: 0.75rem;
    }

    .container {
        padding: 1.25rem;
        border-radius: 1.25rem;
    }

    header {
        margin-bottom: 1.5rem;
    }

    header h1 {
        font-size: 1.75rem;
    }

    .subtitle {
        font-size: 0.9rem;
    }

    .mode-toggle {
        flex-direction: column;
        gap: 0.5rem;
    }

    .mode-btn {
        width: 100%;
        padding: 0.75rem 1rem;
    }

    .input-group {
        margin-bottom: 1rem;
    }

    .input-group label {
        font-size: 0.9rem;
    }

    .input-group input,
    .input-group textarea,
    .input-group select {
        font-size: 0.95rem;
        padding: 0.75rem;
    }

    .button-group {
        flex-direction: column;
        gap: 0.75rem;
    }

    .btn {
        width: 100%;
        padding: 0.875rem 1.5rem;
        font-size: 0.95rem;
    }

    .product-preview {
        flex-direction: column;
        padding: 1rem;
    }
    
    .product-preview-left {
        flex: 0 0 auto;
    }
    
    .product-preview-image {
        max-width: 100%;
    }

    .data-boxes {
        grid-template-columns: 1fr;
    }

    .data-box {
        padding: 1rem;
    }

    .bulk-results-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .bulk-results-actions {
        flex-direction: column;
        width: 100%;
        gap: 0.5rem;
    }

    .bulk-results-actions select,
    .bulk-results-actions button {
        width: 100%;
    }

    /* Payment Modal Mobile */
    .payment-modal {
        padding: 1rem;
    }

    .payment-modal-content {
        padding: 1.25rem;
        max-width: 100%;
        width: 100%;
        border-radius: 1rem;
        max-height: 95vh;
    }

    .payment-modal-header {
        margin-bottom: 1rem;
    }

    .payment-modal-header h2 {
        font-size: 1.25rem;
    }

    .payment-description {
        font-size: 0.9rem;
        margin-bottom: 1rem;
    }

    .payment-price {
        font-size: 1.1rem;
        padding: 0.75rem;
        margin: 0.75rem 0;
    }

    .payment-features {
        padding: 0.75rem;
        margin-bottom: 1rem;
    }

    .payment-feature {
        font-size: 0.85rem;
        padding: 0.4rem 0;
    }

    .payment-checkout-btn {
        padding: 0.75rem 1.25rem;
        font-size: 0.95rem;
    }

    .payment-note {
        font-size: 0.75rem;
    }

    .payment-modal-footer {
        margin-top: 1rem;
        padding-top: 0.75rem;
    }

    .payment-modal-footer .btn {
        padding: 0.625rem 1.25rem;
        font-size: 0.85rem;
    }
}

/* Small Mobile Devices */
@media (max-width: 480px) {
    body {
        padding: 0.5rem;
    }

    .container {
        padding: 1rem;
    }

    header h1 {
        font-size: 1.5rem;
    }

    .payment-modal-content {
        padding: 1rem;
    }    .payment-modal-header h2 {
        font-size: 1.1rem;
    }
}