:root {
    --primary: #4361ee;
    --secondary: #3a0ca3;
    --success: #4cc9f0;
    --warning: #f72585;
    --error: #e63946;
    --light: #f8f9fa;
    --dark: #212529;
    --gray: #6c757d;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: #f5f7fb;
    color: var(--dark);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

header {
    text-align: center;
    padding: 40px 0;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    border-radius: 10px;
    margin-bottom: 30px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.subtitle {
    font-size: 1.2rem;
    opacity: 0.9;
}

.audit-form {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    margin-bottom: 30px;
}

.form-group {
    margin-bottom: 20px;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
}

input[type="url"] {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
    transition: border 0.3s;
}

input[type="url"]:focus {
    border-color: var(--primary);
    outline: none;
}

button, .btn {
    background: var(--primary);
    color: white;
    border: none;
    padding: 12px 25px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: background 0.3s;
    text-decoration: none;
    display: inline-block;
}

button:hover, .btn:hover {
    background: var(--secondary);
}

.btn-secondary {
    background: var(--gray);
}

.btn-secondary:hover {
    background: #5a6268;
}

.results {
    display: none;
}

.score-card {
    background: white;
    border-radius: 10px;
    padding: 25px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    margin-bottom: 30px;
    text-align: center;
}

.score {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--primary);
    margin: 15px 0;
}

.score-text {
    font-size: 1.2rem;
    margin-bottom: 20px;
}

.audit-categories {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.category {
    background: white;
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.category-header {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
}

.category-icon {
    background: var(--primary);
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 15px;
}

.category-title {
    font-size: 1.2rem;
    font-weight: 600;
}

.issue {
    padding: 10px 0;
    border-bottom: 1px solid #eee;
}

.issue:last-child {
    border-bottom: none;
}

.issue-title {
    display: flex;
    align-items: center;
    margin-bottom: 5px;
}

.issue.success .issue-title i {
    color: var(--success);
}

.issue.warning .issue-title i {
    color: var(--warning);
}

.issue.error .issue-title i {
    color: var(--error);
}

.issue-desc {
    font-size: 0.9rem;
    color: var(--gray);
}

.progress-bar {
    height: 8px;
    background: #e9ecef;
    border-radius: 4px;
    margin: 15px 0;
    overflow: hidden;
}

.progress {
    height: 100%;
    background: var(--success);
    border-radius: 4px;
    transition: width 0.5s ease;
}

.features {
    margin: 40px 0;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.feature {
    background: white;
    padding: 25px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.feature i {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 15px;
}

.feature h3 {
    margin-bottom: 10px;
}

.actions {
    text-align: center;
    margin: 30px 0;
}

.actions .btn {
    margin: 0 10px;
}

.error-message {
    background: white;
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.error-message i {
    font-size: 3rem;
    color: var(--error);
    margin-bottom: 15px;
}

footer {
    text-align: center;
    padding: 20px 0;
    color: var(--gray);
    font-size: 0.9rem;
    margin-top: 40px;
}

@media (max-width: 768px) {
    .audit-categories, .feature-grid {
        grid-template-columns: 1fr;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    .actions .btn {
        display: block;
        margin: 10px 0;
        width: 100%;
    }
}
/* Asset Analysis Styles */
.full-width {
    grid-column: 1 / -1;
}

.assets-analysis {
    margin-top: 20px;
}

.asset-section {
    margin-bottom: 30px;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 8px;
}

.asset-section h4 {
    margin-bottom: 15px;
    color: var(--dark);
    display: flex;
    align-items: center;
    gap: 10px;
}

.asset-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.asset-item {
    display: flex;
    justify-content: between;
    align-items: center;
    padding: 12px 15px;
    background: white;
    border-radius: 6px;
    border-left: 4px solid #ddd;
}

.asset-item.needs-optimization {
    border-left-color: var(--warning);
    background: #fff5f5;
}

.asset-info {
    flex: 1;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.asset-url {
    font-family: monospace;
    font-size: 0.9rem;
}

.asset-size {
    color: var(--gray);
    font-size: 0.8rem;
}

.asset-warnings {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.asset-warning {
    color: var(--warning);
    font-size: 0.8rem;
    display: flex;
    align-items: center;
    gap: 5px;
}

.asset-ok {
    color: var(--success);
    font-size: 0.8rem;
    display: flex;
    align-items: center;
    gap: 5px;
}

.image-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.stat {
    text-align: center;
    padding: 20px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.stat-value {
    display: block;
    font-size: 2rem;
    font-weight: bold;
    color: var(--primary);
    margin-bottom: 5px;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--gray);
}

/* Console Error Simulation */
.console-section {
    margin-top: 20px;
    padding: 15px;
    background: #1e1e1e;
    color: #fff;
    border-radius: 5px;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
}

.console-line {
    margin: 5px 0;
}

.console-error {
    color: #f44747;
}

.console-warning {
    color: #ffcc02;
}



/* Image Analysis Styles */
.image-summary-stats {
    margin-bottom: 30px;
}

.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 15px;
    margin-bottom: 20px;
}

.stat-card {
    background: white;
    padding: 20px;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.stat-number {
    font-size: 2rem;
    font-weight: bold;
    color: var(--primary);
    margin-bottom: 5px;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--gray);
}

.table-container {
    overflow-x: auto;
    margin-top: 20px;
}

.image-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.image-table th {
    background: var(--primary);
    color: white;
    padding: 12px 15px;
    text-align: left;
    font-weight: 600;
}

.image-table td {
    padding: 12px 15px;
    border-bottom: 1px solid #eee;
}

.image-table tr.needs-attention {
    background: #fff5f5;
}

.image-table tr:hover {
    background: #f8f9fa;
}

.image-preview {
    width: 60px;
}

.thumbnail {
    width: 50px;
    height: 50px;
    object-fit: cover;
    border-radius: 4px;
}

.filename {
    max-width: 200px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.badge {
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 600;
}

.badge.success {
    background: #d4edda;
    color: #155724;
}

.badge.warning {
    background: #fff3cd;
    color: #856404;
}

.badge.error {
    background: #f8d7da;
    color: #721c24;
}

/* Competition Analysis */
.competition-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.metric-card {
    background: white;
    padding: 25px;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.metric-value {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--primary);
    margin-bottom: 10px;
}

.metric-label {
    font-size: 0.9rem;
    color: var(--gray);
    margin-bottom: 15px;
}

.metric-bar {
    height: 6px;
    background: #e9ecef;
    border-radius: 3px;
    overflow: hidden;
}

.metric-progress {
    height: 100%;
    background: var(--success);
    border-radius: 3px;
}

/* Keyword Analysis */
.keywords-cloud {
    margin-top: 20px;
    text-align: center;
    line-height: 2.5;
}

.keyword-tag {
    display: inline-block;
    margin: 5px;
    padding: 5px 10px;
    background: #e9ecef;
    border-radius: 20px;
    color: var(--dark);
    text-decoration: none;
}

.keyword-tag:hover {
    background: var(--primary);
    color: white;
}

/* Link Analysis */
.link-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

/* Keyword Analysis Styles */
.keywords-table {
    margin: 20px 0;
    overflow-x: auto;
}

.keywords-table table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.keywords-table th {
    background: var(--primary);
    color: white;
    padding: 12px 15px;
    text-align: left;
    font-weight: 600;
}

.keywords-table td {
    padding: 12px 15px;
    border-bottom: 1px solid #eee;
}

.keyword-term {
    font-weight: 600;
    color: var(--dark);
}

.keyword-frequency {
    text-align: center;
    font-weight: bold;
    color: var(--primary);
}

.keyword-density {
    text-align: center;
}

.density-bar {
    width: 80px;
    height: 6px;
    background: #e9ecef;
    border-radius: 3px;
    margin-top: 5px;
    display: inline-block;
}

.density-fill {
    height: 100%;
    background: var(--success);
    border-radius: 3px;
}

/* Content Quality Styles */
.content-quality {
    margin-top: 30px;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 8px;
}

.quality-metrics {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 15px;
    margin-top: 15px;
}

.quality-metric {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    background: white;
    border-radius: 6px;
    border-left: 4px solid #ddd;
}

.quality-metric.success {
    border-left-color: var(--success);
}

.quality-metric.warning {
    border-left-color: var(--warning);
}

.quality-metric.info {
    border-left-color: var(--primary);
}

.quality-metric i {
    font-size: 1.5rem;
}

.quality-metric.success i {
    color: var(--success);
}

.quality-metric.warning i {
    color: var(--warning);
}

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

.quality-metric strong {
    display: block;
    margin-bottom: 5px;
}

.quality-metric p {
    margin: 0;
    font-size: 0.9rem;
    color: var(--gray);
}
/* New Category Styles */
.category-score {
    background: var(--primary);
    color: white;
    padding: 5px 12px;
    border-radius: 20px;
    font-weight: bold;
    font-size: 0.9rem;
}

.content-metrics {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: 15px;
    margin: 20px 0;
}

.metric {
    text-align: center;
    padding: 15px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.metric-value {
    display: block;
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary);
    margin-bottom: 5px;
}

.metric-label {
    font-size: 0.8rem;
    color: var(--gray);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Core Web Vitals */
.core-web-vitals {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 15px;
    margin: 20px 0;
}

.vital-metric {
    text-align: center;
    padding: 20px;
    border-radius: 8px;
    background: white;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    border: 2px solid #ddd;
}

.vital-metric.good {
    border-color: var(--success);
    background: #f8fff9;
}

.vital-metric.poor {
    border-color: var(--warning);
    background: #fff5f5;
}

.vital-name {
    font-weight: bold;
    font-size: 1.2rem;
    margin-bottom: 5px;
}

.vital-value {
    font-size: 1.5rem;
    font-weight: bold;
    margin-bottom: 5px;
}

.vital-metric.good .vital-value {
    color: var(--success);
}

.vital-metric.poor .vital-value {
    color: var(--warning);
}

.vital-label {
    font-size: 0.8rem;
    color: var(--gray);
}
/* Export Section Styles */
.export-options {
    padding: 20px;
}

.export-buttons {
    display: flex;
    gap: 15px;
    margin-bottom: 25px;
    flex-wrap: wrap;
}

.export-btn {
    flex: 1;
    min-width: 200px;
    padding: 15px 25px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.pdf-export {
    background: #ff6b6b;
    color: white;
}

.pdf-export:hover {
    background: #ff5252;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 107, 107, 0.3);
}

.excel-export {
    background: #51cf66;
    color: white;
}

.excel-export:hover {
    background: #40c057;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(81, 207, 102, 0.3);
}

.export-features {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 8px;
    border-left: 4px solid var(--primary);
}

.export-features h4 {
    margin-bottom: 15px;
    color: var(--dark);
}

.export-features ul {
    list-style: none;
    padding: 0;
}

.export-features li {
    padding: 8px 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.export-features i {
    color: var(--success);
}

/* Share Section Styles */
.share-options {
    padding: 20px;
    text-align: center;
}

.share-btn {
    background: var(--primary);
    color: white;
    border: none;
    padding: 12px 25px;
    border-radius: 6px;
    margin: 0 10px 10px 0;
    cursor: pointer;
    font-size: 1rem;
    transition: background 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.share-btn:hover {
    background: var(--secondary);
}

#share-url {
    border: 1px solid #ddd;
    border-radius: 4px;
    margin-right: 10px;
}

/* Loading state for exports */
.export-btn.loading {
    position: relative;
    color: transparent;
}

.export-btn.loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border: 2px solid transparent;
    border-top: 2px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* Print Styles */
@media print {
    .audit-form,
    .actions,
    .export-options,
    .share-options {
        display: none !important;
    }
    
    .category {
        break-inside: avoid;
        margin-bottom: 20px;
    }
    
    body {
        background: white !important;
        color: black !important;
    }
    
    .score-card {
        box-shadow: none !important;
        border: 1px solid #ddd !important;
    }
}

/* Responsive Export */
@media (max-width: 768px) {
    .export-buttons {
        flex-direction: column;
    }
    
    .export-btn {
        min-width: 100%;
    }
    
    .share-btn {
        display: block;
        width: 100%;
        margin: 5px 0;
    }
}
/* Responsive improvements */
@media (max-width: 768px) {
    .content-metrics,
    .core-web-vitals {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .category-header {
        flex-wrap: wrap;
    }
    
    .category-score {
        margin-top: 10px;
    }
}
/* Responsive adjustments */
@media (max-width: 768px) {
    .asset-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    
    .asset-info {
        width: 100%;
    }
    
    .image-stats {
        grid-template-columns: 1fr;
    }
}