/* Reset et styles de base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg-primary: #ffffff;
    --bg-secondary: #f9fafb;
    --text-primary: #1f2937;
    --text-secondary: #4b5563;
    --border-color: #e5e7eb;
    --hover-bg: #f3f4f6;
    --shadow-color: rgba(0, 0, 0, 0.1);
    --accent-color: #3b82f6;
    --success-color: #10b981;
}

.dark-mode {
    --bg-primary: #1f2937;
    --bg-secondary: #111827;
    --text-primary: #f9fafb;
    --text-secondary: #d1d5db;
    --border-color: #374151;
    --hover-bg: #2d3748;
    --shadow-color: rgba(0, 0, 0, 0.3);
    --accent-color: #60a5fa;
    --success-color: #34d399;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    line-height: 1.5;
    transition: background-color 0.3s ease, color 0.3s ease;
    min-height: 100vh;
    position: relative;
    padding-bottom: 60px;
}

.container {
    max-width: 64rem;
    margin: 0 auto;
    padding: 2rem;
}

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

h1 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: var(--text-primary);
    letter-spacing: -0.025em;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 1.125rem;
    margin-bottom: 2rem;
}

/* Style de la barre de recherche */
.search-container {
    display: flex;
    justify-content: center;
    margin-top: 1rem;
}

.search-wrapper {
    display: flex;
    align-items: center;
    background-color: var(--bg-primary);
    padding: 0.75rem 1rem;
    border-radius: 1rem;
    border: 1px solid var(--border-color);
    box-shadow: 0 2px 8px var(--shadow-color);
}

.search-input {
    border: none;
    outline: none;
    font-size: 1rem;
    background: transparent;
    color: var(--text-primary);
    width: 100%;
}

.search-icon {
    color: var(--text-secondary);
    font-size: 1.2rem;
    margin-left: 0.5rem;
}

/* Navigation Buttons */
/* Navigation Buttons */
.nav-buttons {
    position: fixed;
    top: 1rem;
    right: 5rem;
    z-index: 100;
    display: flex;
    gap: 1rem;
}

.nav-button {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.5rem;
    padding: 0.5rem;
    border-radius: 9999px;
    background-color: var(--bg-primary);
    box-shadow: 0 2px 8px var(--shadow-color);
    transition: all 0.2s ease;
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
}

.nav-button:hover {
    transform: scale(1.1);
    box-shadow: 0 4px 12px var(--shadow-color);
}

.nav-icon {
    font-size: 1.25rem;
}


/* Theme Toggle */
.theme-toggle {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 100;
}

.theme-toggle button {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.5rem;
    padding: 0.5rem;
    border-radius: 9999px;
    background-color: var(--bg-primary);
    box-shadow: 0 2px 8px var(--shadow-color);
    transition: transform 0.2s ease;
}

.theme-toggle button:hover {
    transform: scale(1.1);
}

.dark-mode .sun {
    display: none;
}

.light-mode .moon {
    display: none;
}

/* Categories Grid */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.category-card {
    background-color: var(--bg-primary);
    border-radius: 1rem;
    border: 1px solid var(--border-color);
    padding: 2rem;
    text-decoration: none;
    color: var(--text-primary);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    box-shadow: 0 4px 6px -1px var(--shadow-color);
}

.category-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 20px -4px var(--shadow-color);
}

.category-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    padding: 1.5rem;
    background-color: var(--bg-secondary);
    border-radius: 1rem;
    transition: transform 0.3s ease;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 80px;
    width: 80px;
}

.category-card:hover .category-icon {
    transform: scale(1.1);
}

.category-icon img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border-radius: 0.5rem; /* Optionnel : pour donner des bords arrondis à l'image */
}

.category-content h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.category-content p {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.6;
}


/* Credits */
.credits {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 1rem;
    text-align: center;
    font-size: 0.875rem;
    color: var(--text-secondary);
    background-color: var(--bg-primary);
    border-top: 1px solid var(--border-color);
    opacity: 0.9;
    backdrop-filter: blur(8px);
    transition: opacity 0.3s ease;
}

.credits:hover {
    opacity: 1;
}

.credits p {
    transition: transform 0.3s ease;
}

.credits:hover p {
    transform: scale(1.05);
}

@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }

    .header h1 {
        font-size: 2rem;
    }

    .categories-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}


/* Section Outils */
.tools-section {
    margin-top: 4rem;
    text-align: center;
}

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

.tools-subtitle {
    color: var(--text-secondary);
    font-size: 1.125rem;
    margin-bottom: 2rem;
}

.tools-grid {
    display: grid;
    gap: 2rem;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    margin: 0 auto;
    max-width: 1200px;
}

.tool-card {
    background-color: var(--bg-primary);
    border-radius: 1.5rem;
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 6px -1px var(--shadow-color);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    padding: 2.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

.tool-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 25px -5px var(--shadow-color);
}

.tool-logo {
    width: 120px;
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 1rem;
    background-color: var(--bg-secondary);
    padding: 1.5rem;
    transition: transform 0.3s ease;
}

.tool-card:hover .tool-logo {
    transform: scale(1.05);
}

.tool-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.tool-content {
    text-align: center;
    width: 100%;
}

.tool-content h3 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.tool-content p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.6;
    font-size: 1.1rem;
}

.tool-features {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

.feature {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-secondary);
    padding: 0.75rem;
    border-radius: 0.75rem;
    background-color: var(--bg-secondary);
    transition: transform 0.2s ease;
}

.feature:hover {
    transform: translateX(0.5rem);
}

.feature-icon {
    font-size: 1.25rem;
}

.download-button {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    background-color: var(--accent-color);
    color: white;
    padding: 1rem 2rem;
    border-radius: 0.75rem;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.2s ease;
}

.download-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 16px -4px var(--shadow-color);
    background-color: var(--success-color);
}

.download-icon {
    transition: transform 0.2s ease;
}

.download-button:hover .download-icon {
    transform: translateY(2px);
}


.documentation-section {
    margin-top: 2rem;
}

.document-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.2rem;
}

.document-card {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 0.8rem;
    padding: 1.2rem;
    box-shadow: 0 4px 6px var(--shadow-color);
    transition: all 0.2s ease;
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    margin-top: 15px;
}

.document-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 12px var(--shadow-color);
}

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

.doc-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.last-updated {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.doc-actions {
    display: flex;
    justify-content: flex-start;
    gap: 0.6rem;
}

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

.doc-button:hover {
    transform: translateY(-2px);
    background-color: var(--success-color);
}

.video-button {
    background-color: #ef4444;
}

.video-button:hover {
    background-color: #dc2626;
}

@media (max-width: 768px) {
    .document-list {
        grid-template-columns: 1fr;
    }
}

.unavailable-video {
    background-color: #e5e7eb;  /* Gris clair */
    color: #6b7280;  /* Texte gris foncé */
    border: 1px solid #d1d5db;  /* Bordure subtile */
    padding: 0.75rem 1.25rem;
    border-radius: 0.5rem;
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    cursor: not-allowed;
    display: inline-block;
    transition: background-color 0.3s ease, transform 0.3s ease;
}

.unavailable-video:hover {
    background-color: #d1d5db;  /* Gris plus foncé au survol */
    transform: scale(1.05);
}

.unavailable-video:active {
    background-color: #9ca3af;  /* Gris moyen lors du clic */
}



/* Amélioration du pied de page */
.credits {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    text-align: center;
    font-size: 0.9rem;
    padding: 1rem;
    background-color: var(--bg-primary);
    border-top: 1px solid var(--border-color);
    box-shadow: 0 -2px 8px var(--shadow-color);
}

.credits p {
    margin: 0;
    color: var(--text-secondary);
}