:root {
    /* Couleurs principales */
    --bg-color: #000000;
    --bg-secondary: #0e0e0e;
    --bg-tertiary: #1a1a1a;
    --text-primary: #ffffff;
    --text-secondary: #d1d5db;
    --text-muted: #9ca3af;
    
    /* Couleurs d'accent */
    --accent-blue: #3B82F6;
    --accent-blue-hover: #2563eb;
    --accent-green: #10B981;
    --accent-green-hover: #059669;
    
    /* Couleurs d'état */
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --info-color: #3b82f6;
    
    /* Intentions de recherche */
    --intent-informational: #3b82f6;
    --intent-transactional: #10b981;
    --intent-navigational: #f59e0b;
    --intent-decisional: #8b5cf6;
    --intent-error: #ef4444;
    
    /* Éléments d'interface */
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 12px;
    --border-color: #333;
    --box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    --card-gradient: linear-gradient(180deg, rgba(59, 130, 246, 0.2) 0%, rgba(16, 185, 129, 0.05) 100%);
    --transition-fast: all 0.2s ease;
    --transition-normal: all 0.3s ease;
    
    /* Espacement */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
}

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

body {
    font-family: 'Inter', 'Poppins', 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-color);
    min-height: 100vh;
}

.container {
    max-width: 1500px;
    margin: 0 auto;
    padding: var(--spacing-xl);
}

/* Navigation */
.main-nav {
    background-color: var(--bg-secondary);
    padding: var(--spacing-md) 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    border-bottom: 1px solid var(--border-color);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
}

.nav-logo a {
    display: block;
}

.nav-logo img {
    height: 35px;
    width: auto;
    transition: var(--transition-fast);
}

.nav-logo img:hover {
    opacity: 0.9;
    transform: scale(1.02);
}

.nav-links {
    display: flex;
    gap: var(--spacing-lg);
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-fast);
    position: relative;
    font-size: 0.95rem;
    padding: 0.5rem 0.8rem;
    border-radius: var(--border-radius-sm);
}

.nav-link:hover {
    color: var(--text-primary);
    background-color: rgba(255, 255, 255, 0.05);
}

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

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0.8rem;
    right: 0.8rem;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-green));
    border-radius: 2px;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-blue);
    transition: var(--transition-fast);
}

.nav-link:hover::after {
    width: 100%;
}

/* Typographie */
h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-green));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
}

h2 {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
    position: relative;
    display: inline-block;
}

h2::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--accent-blue);
}

h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 800px;
    margin: 0 auto var(--spacing-xl) auto;
    line-height: 1.7;
}

/* Sections */
section {
    background-color: var(--bg-secondary);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    margin: 0 auto var(--spacing-2xl);
    box-shadow: var(--box-shadow);
    border-top: 1px solid rgba(59, 130, 246, 0.3);
    position: relative;
    overflow: hidden;
    max-width: 1400px;
}

section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--card-gradient);
}

header {
    text-align: center;
    margin: var(--spacing-xl) auto var(--spacing-2xl);
    max-width: 1000px;
    padding-top: var(--spacing-2xl);
}

/* Keyword section */
.keyword-inputs {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.keyword-input {
    display: flex;
    flex-direction: column;
}

label {
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
    font-size: 0.95rem;
}

input, select {
    padding: 12px 16px;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    font-size: 1rem;
    color: var(--text-primary);
    transition: var(--transition-normal);
}

input:focus, select:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.3);
}

input::placeholder {
    color: var(--text-muted);
}

select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%239ca3af'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 16px;
    padding-right: 40px;
}

.history-links {
    text-align: center;
    margin-top: var(--spacing-md);
}

.history-link {
    color: var(--accent-blue);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition-fast);
    position: relative;
}

.history-link:hover {
    color: var(--accent-blue-hover);
}

.history-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--accent-blue);
    transition: var(--transition-fast);
}

.history-link:hover::after {
    width: 100%;
}

/* Filters section */
.active-filters {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.filter-tag {
    background-color: rgba(59, 130, 246, 0.2);
    color: var(--text-primary);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    border: 1px solid rgba(59, 130, 246, 0.3);
    transition: var(--transition-fast);
}

.filter-tag:hover {
    background-color: rgba(59, 130, 246, 0.3);
}

.filter-tag i {
    margin-left: var(--spacing-sm);
    cursor: pointer;
    opacity: 0.7;
    transition: var(--transition-fast);
}

.filter-tag i:hover {
    opacity: 1;
}

.accordion {
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    background-color: var(--bg-tertiary);
    margin-bottom: var(--spacing-lg);
}

.accordion-header {
    padding: var(--spacing-md) var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-weight: 500;
    color: var(--text-primary);
    transition: var(--transition-fast);
}

.accordion-header:hover {
    background-color: rgba(59, 130, 246, 0.1);
}

.accordion-content {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

.filter-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.filter-group {
    display: flex;
    flex-direction: column;
}

.device-toggle {
    display: flex;
    background-color: var(--bg-tertiary);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    margin-top: var(--spacing-xs);
    border: 1px solid var(--border-color);
}

.device-toggle input[type="radio"] {
    display: none;
}

.device-toggle label {
    flex: 1;
    padding: 10px 15px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition-normal);
    margin: 0;
    font-weight: normal;
    color: var(--text-secondary);
}

.device-toggle input[type="radio"]:checked + label {
    background-color: var(--accent-blue);
    color: white;
}

.btn-filter {
    background-color: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    padding: 12px 22px;
    margin: var(--spacing-sm) 0;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition-normal);
}

.btn-filter:hover {
    background-color: rgba(59, 130, 246, 0.1);
    color: var(--text-primary);
    border-color: var(--accent-blue);
}

.btn-compare {
    background-color: var(--accent-blue);
    color: white;
    border: none;
    padding: 16px 32px;
    border-radius: var(--border-radius-md);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    display: block;
    margin: var(--spacing-xl) auto;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
    min-width: 250px;
    text-align: center;
}

.btn-compare::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: var(--transition-normal);
}

.btn-compare:hover {
    background-color: var(--accent-blue-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
}

.btn-compare:hover::before {
    left: 100%;
}

/* Results section */
.loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 50px 0;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 5px solid rgba(255, 255, 255, 0.1);
    border-top: 5px solid var(--accent-blue);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: var(--spacing-lg);
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.analysis-box {
    background-color: var(--bg-tertiary);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    position: relative;
    overflow: hidden;
}

.analysis-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-green));
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.stat-card {
    background-color: var(--bg-secondary);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-lg);
    text-align: center;
    box-shadow: var(--box-shadow);
    display: flex;
    flex-direction: column;
    border: 1px solid var(--border-color);
    transition: var(--transition-normal);
}

.stat-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.6);
    border-color: rgba(59, 130, 246, 0.3);
}

.stat-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent-blue);
    margin: 15px 0;
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-green));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
}

.stat-description {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-top: auto;
}

.stats-summary {
    display: flex;
    justify-content: space-between;
    background-color: var(--bg-secondary);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-md) var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--box-shadow);
    border: 1px solid var(--border-color);
}

.summary-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.summary-item span {
    color: var(--text-secondary);
}

.summary-item strong {
    font-size: 1.2rem;
    color: var(--accent-blue);
}

.recommendation-box {
    background-color: var(--bg-secondary);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-lg);
    border-left: 5px solid var(--accent-blue);
    font-weight: 500;
    margin-top: var(--spacing-lg);
    line-height: 1.6;
    color: var(--text-secondary);
}

.search-intents {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.intent-card {
    background-color: var(--bg-secondary);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-lg);
    box-shadow: var(--box-shadow);
    border-left: 4px solid var(--accent-blue);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.intent-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.6);
}

.intent-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.05) 0%, rgba(16, 185, 129, 0.02) 100%);
    pointer-events: none;
}

.intent-keyword {
    font-weight: 700;
    font-size: 1.2rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
    position: relative;
}

.intent-type {
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    display: inline-block;
    padding: 5px 10px;
    border-radius: 20px;
    font-size: 0.9rem;
    position: relative;
}

.intent-type.informational,
.intent-type.informationnelle {
    background-color: rgba(59, 130, 246, 0.15);
    color: var(--intent-informational);
}

.intent-type.transactional,
.intent-type.transactionnelle {
    background-color: rgba(16, 185, 129, 0.15);
    color: var(--intent-transactional);
}

.intent-type.navigational,
.intent-type.navigationnelle {
    background-color: rgba(245, 158, 11, 0.15);
    color: var(--intent-navigational);
}

.intent-type.decisional,
.intent-type.décisionnelle {
    background-color: rgba(139, 92, 246, 0.15);
    color: var(--intent-decisional);
}

.intent-type.other {
    background-color: rgba(107, 114, 128, 0.15);
    color: var(--text-secondary);
}

.intent-type.error {
    background-color: rgba(239, 68, 68, 0.15);
    color: var(--intent-error);
}

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

.intent-error-details {
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm);
    background-color: rgba(239, 68, 68, 0.1);
    border-radius: var(--border-radius-sm);
    font-size: 0.85rem;
    color: var(--intent-error);
    font-family: monospace;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.intent-explanation {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
    position: relative;
}

.serp-results-grid {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
gap: var(--spacing-lg);
}

.serp-column {
background-color: var(--bg-tertiary);
border-radius: var(--border-radius-md);
padding: var(--spacing-lg);
box-shadow: var(--box-shadow);
}

.serp-column h3 {
margin-bottom: var(--spacing-lg);
text-align: center;
padding-bottom: var(--spacing-md);
border-bottom: 1px solid var(--border-color);
color: var(--text-primary);
font-weight: 600;
position: relative;
}

.serp-column h3::after {
content: '';
position: absolute;
bottom: -1px;
left: 50%;
transform: translateX(-50%);
width: 60px;
height: 3px;
background: linear-gradient(90deg, var(--accent-blue), var(--accent-green));
}

.serp-result {
background-color: var(--bg-secondary);
border-radius: var(--border-radius-md);
padding: var(--spacing-md);
margin-bottom: var(--spacing-md);
box-shadow: var(--box-shadow);
position: relative;
border: 1px solid var(--border-color);
transition: var(--transition-normal);
}

.serp-result:hover {
transform: translateY(-2px);
box-shadow: 0 6px 20px rgba(0, 0, 0, 0.5);
border-color: rgba(59, 130, 246, 0.2);
}

.result-title {
font-weight: 600;
margin-bottom: var(--spacing-xs);
color: var(--accent-blue);
}

.result-url {
font-size: 0.8rem;
color: var(--text-muted);
margin-bottom: var(--spacing-sm);
word-break: break-all;
font-family: monospace;
}

.result-snippet {
font-size: 0.9rem;
color: var(--text-secondary);
margin-bottom: var(--spacing-sm);
line-height: 1.5;
}

.result-intent {
display: flex;
align-items: center;
margin-top: var(--spacing-md);
padding-top: var(--spacing-md);
border-top: 1px dashed var(--border-color);
}

.intent-badge {
display: inline-block;
padding: 4px 10px;
border-radius: var(--border-radius-sm);
font-size: 0.8rem;
font-weight: 600;
margin-right: var(--spacing-sm);
}

.intent-badge.informationelle,
.intent-badge.informationnelle {
background-color: rgba(59, 130, 246, 0.15);
color: var(--intent-informational);
}

.intent-badge.transactionnelle {
background-color: rgba(16, 185, 129, 0.15);
color: var(--intent-transactional);
}

.intent-badge.navigationnelle {
background-color: rgba(245, 158, 11, 0.15);
color: var(--intent-navigational);
}

.intent-badge.decisionnelle,
.intent-badge.décisionnelle {
background-color: rgba(139, 92, 246, 0.15);
color: var(--intent-decisional);
}

.intent-explanation-text {
font-size: 0.85rem;
color: var(--text-secondary);
flex: 1;
}

.common-indicator {
position: relative;
}

.common-indicator::before {
content: '';
position: absolute;
top: 0;
left: 0;
height: 100%;
width: 3px;
background: var(--success-color);
border-top-left-radius: var(--border-radius-md);
border-bottom-left-radius: var(--border-radius-md);
}

/* Les styles de la console de logs ont été supprimés */

/* Footer */
footer {
    text-align: center;
    margin-top: var(--spacing-2xl);
    padding: var(--spacing-xl) 0;
    color: var(--text-muted);
    font-size: 0.9rem;
    border-top: 1px solid var(--border-color);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        gap: var(--spacing-md);
        padding: var(--spacing-sm) var(--spacing-lg);
    }
    
    .nav-links {
        width: 100%;
        justify-content: center;
        flex-wrap: wrap;
        gap: var(--spacing-sm);
    }
    
    .nav-link {
        font-size: 0.85rem;
        padding: 0.4rem 0.6rem;
    }
    
    .filter-row {
        grid-template-columns: 1fr;
    }
    
    .serp-results-grid {
        grid-template-columns: 1fr;
    }
    
    .btn-compare {
        width: 100%;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-summary {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .container {
        padding: var(--spacing-lg) var(--spacing-md);
    }
    
    .search-intents {
        grid-template-columns: 1fr;
    }
}

footer {
    text-align: center;
    margin-top: 50px;
    padding: 20px 0;
    color: var(--medium-gray);
    font-size: 0.9rem;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .filter-row {
        grid-template-columns: 1fr;
    }
    
    .serp-results-grid {
        grid-template-columns: 1fr;
    }
    
    .btn-compare {
        width: 100%;
    }
}