:root {
    --primary-color: #2563eb;
    --secondary-color: #1e40af;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    --bg-color: #f8fafc;
    --card-bg: #ffffff;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --border-color: #e2e8f0;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

.header {
    text-align: center;
    margin-bottom: 3rem;
}

.header h1 {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.header p {
    font-size: 1.2rem;
    color: var(--text-secondary);
}

.header h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

/* Page d'accueil */
.home-content {
    max-width: 900px;
    margin: 2rem auto;
    padding: 0 1rem;
}

.intro-section, .why-section, .features-section, .training-section, .cta-section {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.home-content h2 {
    color: var(--primary-color);
    font-size: 1.8rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.home-content p {
    line-height: 1.8;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.feature-card {
    background: var(--bg-color);
    padding: 1.5rem;
    border-radius: 12px;
    text-align: center;
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.feature-card h3 {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin: 0;
}

/* Training Section */
.training-card {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
    align-items: center;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    padding: 2rem;
    border-radius: 16px;
    margin-top: 1.5rem;
}

.training-content h3 {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.training-content ul {
    list-style: none;
    padding: 0;
    margin: 1.5rem 0;
}

.training-content li {
    padding: 0.5rem 0;
    color: var(--text-primary);
}

.training-cta {
    margin-top: 2rem;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 1rem 2rem;
    border-radius: 12px;
    text-decoration: none;
    font-weight: bold;
    font-size: 1.1rem;
    transition: transform 0.3s ease;
    margin-bottom: 1rem;
}

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

.training-price {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin: 0;
}

.training-image {
    text-align: center;
}

.training-icon {
    font-size: 6rem;
    color: var(--primary-color);
    opacity: 0.8;
}

/* CTA Section */
.cta-features {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 1.5rem;
    flex-wrap: wrap;
}

.cta-feature {
    background: var(--success-color);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

/* Responsive */
@media (max-width: 768px) {
    .training-card {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-features {
        flex-direction: column;
        align-items: center;
    }
}

.scanner-form {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: var(--shadow);
    margin-bottom: 3rem;
}

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

#urlInput {
    flex: 1;
    padding: 1rem;
    border: 2px solid var(--border-color);
    border-radius: 0.5rem;
    font-size: 1.1rem;
    transition: border-color 0.3s;
}

#urlInput:focus {
    outline: none;
    border-color: var(--primary-color);
}

#scanBtn {
    padding: 1rem 2rem;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 0.5rem;
    font-size: 1.1rem;
    cursor: pointer;
    transition: background-color 0.3s;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

#scanBtn:hover {
    background: var(--secondary-color);
}

#scanBtn:disabled {
    background: var(--text-secondary);
    cursor: not-allowed;
}

.loading {
    text-align: center;
    font-size: 1.2rem;
    color: var(--primary-color);
    padding: 1rem;
}

.hidden {
    display: none !important;
}

.score-overview {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: var(--shadow);
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    gap: 2rem;
}

.score-circle {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: conic-gradient(var(--success-color) 0deg, var(--bg-color) 0deg);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    transition: background 0.5s ease;
}

.score-circle::before {
    content: '';
    width: 90px;
    height: 90px;
    background: var(--card-bg);
    border-radius: 50%;
    position: absolute;
}

.score-text {
    z-index: 1;
    text-align: center;
    font-weight: bold;
}

.score-text span {
    font-size: 2rem;
    color: var(--text-primary);
}

.score-text small {
    font-size: 1rem;
    color: var(--text-secondary);
}

.score-details h2 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.metric-card {
    background: var(--card-bg);
    border-radius: 1rem;
    padding: 1.5rem;
    box-shadow: var(--shadow);
    transition: transform 0.3s, box-shadow 0.3s;
    border-left: 4px solid var(--border-color);
}

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

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

.metric-card.good {
    border-left-color: #22c55e;
}

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

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

.metric-card.poor {
    border-left-color: var(--error-color);
}

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

.metric-header i {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.metric-header h3 {
    flex: 1;
    color: var(--text-primary);
}

.metric-header .score {
    font-weight: bold;
    padding: 0.25rem 0.75rem;
    border-radius: 2rem;
    background: var(--bg-color);
    color: var(--text-primary);
}

.metric-details {
    color: var(--text-secondary);
}

.metric-details ul {
    margin-top: 0.5rem;
    padding-left: 1rem;
}

.metric-details li {
    margin-bottom: 0.25rem;
}

.recommendations {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: var(--shadow);
    margin-bottom: 2rem;
}

.recommendations h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.recommendations ul {
    list-style: none;
}

.recommendations li {
    padding: 0.75rem;
    margin-bottom: 0.5rem;
    background: var(--bg-color);
    border-radius: 0.5rem;
    border-left: 4px solid var(--warning-color);
}

.recommendations li.success {
    border-left-color: var(--success-color);
}

.recommendations li.error {
    border-left-color: var(--error-color);
}

.detailed-report {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: var(--shadow);
    margin-bottom: 2rem;
}

.detailed-report h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.report-intro {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-style: italic;
}

.detailed-section {
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: var(--bg-color);
    border-radius: 0.75rem;
    border-left: 4px solid var(--border-color);
}

.detailed-section.excellent {
    border-left-color: var(--success-color);
    background: #f0fdf4;
}

.detailed-section.good {
    border-left-color: #22c55e;
    background: #f0fdf4;
}

.detailed-section.average {
    border-left-color: var(--warning-color);
    background: #fffbeb;
}

.detailed-section.poor {
    border-left-color: var(--error-color);
    background: #fef2f2;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-color);
}

.section-title {
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--text-primary);
}

.section-score {
    font-size: 1.1rem;
    font-weight: bold;
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    background: var(--card-bg);
}

.analysis-details {
    margin-top: 1rem;
}

.analysis-details h4 {
    color: var(--text-primary);
    margin: 1rem 0 0.5rem 0;
    font-size: 1rem;
}

.found-items {
    background: #f0fdf4;
    border: 1px solid #bbf7d0;
    border-radius: 0.5rem;
    padding: 1rem;
    margin: 0.5rem 0;
}

.found-items h5 {
    color: #059669;
    margin: 0 0 0.5rem 0;
    font-size: 0.9rem;
    font-weight: bold;
}

.missing-items {
    background: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: 0.5rem;
    padding: 1rem;
    margin: 0.5rem 0;
}

.missing-items h5 {
    color: #dc2626;
    margin: 0 0 0.5rem 0;
    font-size: 0.9rem;
    font-weight: bold;
}

.analysis-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.analysis-list li {
    padding: 0.25rem 0;
    position: relative;
    padding-left: 1.5rem;
}

.found-items .analysis-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #059669;
    font-weight: bold;
}

.missing-items .analysis-list li::before {
    content: '✗';
    position: absolute;
    left: 0;
    color: #dc2626;
    font-weight: bold;
}

.technical-details {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    padding: 1rem;
    margin: 0.5rem 0;
    font-size: 0.9rem;
}

.technical-details h5 {
    color: var(--text-primary);
    margin: 0 0 0.5rem 0;
    font-size: 0.9rem;
    font-weight: bold;
}

.code-snippet {
    background: #1e293b;
    color: #e2e8f0;
    padding: 0.5rem;
    border-radius: 0.25rem;
    font-family: 'Courier New', monospace;
    font-size: 0.8rem;
    overflow-x: auto;
    margin: 0.5rem 0;
}

.progress-indicator {
    width: 100%;
    height: 8px;
    background: var(--border-color);
    border-radius: 4px;
    overflow: hidden;
    margin: 0.5rem 0;
}

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

.export-section {
    text-align: center;
}

/* Export Section */
.export-section {
    text-align: center;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.export-btn, .home-btn {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: transform 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.home-btn {
    background: linear-gradient(135deg, var(--success-color), #059669);
}

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

/* Radar Chart Section */
.radar-chart-section {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 2rem;
    margin: 2rem 0;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.radar-chart-section h3 {
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.chart-container {
    position: relative;
    height: 400px;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.chart-container canvas {
    max-width: 500px;
    max-height: 400px;
}

.export-btn {
    padding: 1rem 2rem;
    background: var(--success-color);
    color: white;
    border: none;
    border-radius: 0.5rem;
    font-size: 1.1rem;
    cursor: pointer;
    transition: background-color 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.export-btn:hover {
    background: #059669;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.results {
    animation: fadeIn 0.5s ease-out;
}

.metric-card {
    animation: fadeIn 0.5s ease-out;
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }
    
    .header h1 {
        font-size: 2rem;
    }
    
    .input-group {
        flex-direction: column;
    }
    
    .score-overview {
        flex-direction: column;
        text-align: center;
    }
    
    .metrics-grid {
        grid-template-columns: 1fr;
    }
}

/* Status indicators */
.status-excellent { color: var(--success-color); }
.status-good { color: #22c55e; }
.status-average { color: var(--warning-color); }
.status-poor { color: var(--error-color); }

.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--border-color);
    border-radius: 4px;
    overflow: hidden;
    margin-top: 0.5rem;
}

.progress-fill {
    height: 100%;
    background: var(--success-color);
    transition: width 0.5s ease;
}