/* Reset et variables */
:root {
    --primary-color: #7c3aed;
    --primary-hover: #6d28d9;
    --secondary-color: #64748b;
    --success-color: #059669;
    --warning-color: #d97706;
    --error-color: #dc2626;
    --background-color: #f8fafc;
    --surface-color: #ffffff;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --border-color: #e2e8f0;
    --border-hover: #cbd5e1;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --radius: 8px;
    --radius-lg: 12px;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background-color: var(--background-color);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Navigation */
.navbar {
    background: var(--surface-color);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    height: 4rem;
}

.nav-back-btn {
    position: absolute;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 3rem;
    height: 3rem;
    border-radius: var(--radius);
    background: transparent;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.2s ease;
    flex-shrink: 0;
    left: 1rem;
}

.nav-back-btn:hover {
    background: var(--background-color);
    color: var(--primary-color);
}

.nav-back-btn i {
    font-size: 1.25rem;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
    height: 4rem;
    flex: 1;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
}

.nav-logo i {
    font-size: 1.5rem;
}

.nav-logo h1 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 0.5rem;
    align-items: center;
    margin: 0;
    padding: 0;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    text-decoration: none;
    color: var(--text-secondary);
    border-radius: var(--radius);
    transition: all 0.2s ease;
    font-weight: 500;
    font-size: 0.9rem;
    white-space: nowrap;
}

.nav-link:hover,
.nav-link.active {
    background-color: var(--primary-color);
    color: white;
}

/* Dropdown pour Modifications */
.nav-item {
    position: relative;
}

.nav-dropdown {
    position: relative;
}

.nav-dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    text-decoration: none;
    color: var(--text-secondary);
    border-radius: var(--radius);
    transition: all 0.2s ease;
    font-weight: 500;
    font-size: 0.9rem;
    white-space: nowrap;
    cursor: pointer;
    background: none;
    border: none;
}

.nav-dropdown-toggle:hover,
.nav-dropdown-toggle.active {
    background-color: var(--primary-color);
    color: white;
}

.nav-dropdown-toggle i.fa-chevron-down {
    font-size: 0.75rem;
    transition: transform 0.2s ease;
}

.nav-dropdown.open .nav-dropdown-toggle i.fa-chevron-down {
    transform: rotate(180deg);
}

.nav-dropdown-menu {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.2s ease;
    z-index: 1000;
}

.nav-dropdown.open .nav-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.nav-dropdown-menu a {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    text-decoration: none;
    color: var(--text-primary);
    transition: all 0.2s ease;
    font-weight: 500;
    font-size: 0.9rem;
    border-bottom: 1px solid var(--border-color);
}

.nav-dropdown-menu a:last-child {
    border-bottom: none;
}

.nav-dropdown-menu a:hover {
    background-color: var(--background-color);
    color: var(--primary-color);
}

.nav-dropdown-menu a.active {
    background-color: var(--primary-color);
    color: white;
}

.nav-dropdown-menu a i {
    font-size: 1rem;
}

/* Container principal qui prend l'espace restant */
.container {
    flex: 1;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    box-sizing: border-box;
}

/* Header */
header {
    text-align: center;
    margin-bottom: 3rem;
}

header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

header p {
    font-size: 1.125rem;
    color: var(--text-secondary);
}

/* Hero Section */
.hero-section {
    text-align: center;
    margin-bottom: 4rem;
}

.hero-content h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-content > p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
}

/* Stats Cards */
.stats-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.stats-cards .stat-card {
    background: var(--surface-color);
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    gap: 1.5rem;
    border: 1px solid var(--border-color);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

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

.stat-icon {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
    color: white;
    width: 4rem;
    height: 4rem;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.stat-info {
    text-align: left;
    flex: 1;
}

.stat-info h3 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
    line-height: 1;
}

.stat-info p {
    color: var(--text-secondary);
    font-weight: 500;
    margin: 0.5rem 0 0 0;
    font-size: 0.9rem;
}

/* Action Buttons */
.action-buttons {
    display: flex;
    gap: 2rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 1rem;
}

.btn-outline {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    padding: 0.75rem 1.5rem;
    text-decoration: none;
}

.btn-outline:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* Features Section */
.features-section {
    margin-bottom: 3rem;
}

.features-section h2 {
    text-align: center;
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 2.5rem;
}

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

.feature-card {
    background: var(--surface-color);
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    text-align: center;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

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

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

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

/* Quick Start Section */
.quick-start {
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.05), rgba(109, 40, 217, 0.05));
    padding: 3rem;
    border-radius: var(--radius-lg);
    border: 2px solid var(--primary-color);
}

.quick-start h2 {
    text-align: center;
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
}

.quick-start h2 i {
    color: var(--primary-color);
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.step {
    display: flex;
    gap: 1.25rem;
    align-items: flex-start;
}

.step-number {
    background: var(--primary-color);
    color: white;
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    flex-shrink: 0;
    box-shadow: 0 4px 6px rgba(124, 58, 237, 0.3);
}

.step-content h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.step-content p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

/* Sections (ancienne) */
section {
    background: var(--surface-color);
    border-radius: var(--radius-lg);
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

section h2 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Upload section */
.upload-section input[type="file"] {
    width: 100%;
    padding: 1.5rem;
    border: 2px dashed var(--border-color);
    border-radius: var(--radius);
    background: var(--background-color);
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 0.9rem;
}

.upload-section input[type="file"]:hover {
    border-color: var(--primary-color);
    background: var(--surface-color);
}

.info-box {
    margin-top: 1rem;
    padding: 1rem;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(59, 130, 246, 0.05));
    border-radius: var(--radius);
    color: var(--primary-color);
    border: 1px solid rgba(37, 99, 235, 0.2);
    font-weight: 500;
}

/* Controls */
.controls {
    display: flex;
    gap: 1rem;
    align-items: flex-end;
    flex-wrap: wrap;
}

label {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    flex: 1;
    min-width: 200px;
    font-weight: 500;
    color: var(--text-primary);
}

select {
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    background: var(--background-color);
    transition: border-color 0.2s ease;
    font-family: inherit;
}

select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgb(37 99 235 / 0.1);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--radius);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 0.9rem;
    font-family: inherit;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

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

.btn-secondary:hover {
    background: #475569;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-success {
    background: linear-gradient(135deg, var(--success-color) 0%, #047857 100%);
    color: white;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.btn-success:hover {
    background: linear-gradient(135deg, #047857 0%, var(--success-color) 100%);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-danger {
    background: var(--error-color);
    color: white;
}

.btn-danger:hover {
    background: #b91c1c;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

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

.btn-large {
    padding: 1.25rem 2.5rem;
    font-size: 1.125rem;
    font-weight: 600;
    min-width: 280px;
    box-shadow: var(--shadow-md);
}

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

/* Stats cards */
.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

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

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

.stat-label {
    display: block;
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.stat-value {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

/* Table */
.table-container {
    background: var(--surface-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    margin-top: 1.5rem;
}

.table-container h3 {
    padding: 1.5rem;
    margin: 0;
    background: var(--background-color);
    border-bottom: 1px solid var(--border-color);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
}

#newPublicationsTable {
    max-height: 500px;
    overflow-y: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

th {
    background: var(--background-color);
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    position: sticky;
    top: 0;
    z-index: 10;
}

tbody tr {
    transition: background-color 0.2s ease;
}

tbody tr:hover {
    background: var(--background-color);
}

.empty-state {
    text-align: center;
    padding: 3rem;
    color: var(--text-secondary);
    font-size: 1rem;
}

/* Actions */
.actions {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
    flex-wrap: wrap;
}


/* Config et Results sections hidden par défaut */
.config-section,
.results-section {
    animation: fadeIn 0.3s ease;
}

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

/* Footer */
footer {
    text-align: center;
    padding: 2rem;
    color: var(--text-secondary);
    border-top: 1px solid var(--border-color);
    background: var(--surface-color);
    margin-top: auto;
    flex-shrink: 0;
}

footer p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin: 0;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-container {
        padding: 0 1rem;
        height: 3.5rem;
    }
    
    .nav-logo i {
        font-size: 1.25rem;
    }
    
    .nav-logo h1 {
        font-size: 1rem;
    }
    
    .nav-menu {
        gap: 0.25rem;
    }
    
    .nav-link {
        padding: 0.5rem 0.75rem;
        font-size: 0.85rem;
    }
    
    .nav-link span {
        display: none;
    }
    
    .container {
        padding: 1rem;
    }
    
    header h1 {
        font-size: 2rem;
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .hero-content > p {
        font-size: 1rem;
    }
    
    .stats-cards {
        grid-template-columns: 1fr;
    }
    
    .features-section h2,
    .quick-start h2 {
        font-size: 1.5rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .quick-start {
        padding: 2rem 1.5rem;
    }
    
    .steps {
        grid-template-columns: 1fr;
    }
    
    footer {
        padding: 1.5rem 1rem;
    }
    
    section {
        padding: 1.5rem;
    }
    
    .controls {
        flex-direction: column;
        align-items: stretch;
    }
    
    label {
        min-width: auto;
    }
    
    .stats {
        grid-template-columns: 1fr;
    }
    
    .actions,
    .db-controls {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
}