/* ========================================
   STYLES DE LA PAGE DES COURS - ORAGE
   ======================================== */

/* Corps de la page */
body {
    background-color: var(--orage_background) !important;
    color: var(--text-primary);
    margin: 0;
    padding: 0;
}

/* Conteneur principal */
.container-wrapper {
    background-color: var(--orage_background);
    min-height: 100vh;
}

/* Contenu principal */
.main-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem 20px;
}

/* Grille principale (arborescence + cours) */
.layout-grid {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 2rem;
    align-items: start;
}

/* ========================================
   ARBORESCENCE (SIDEBAR)
   ======================================== */

.tree-container {
    background: #fff;
    border-radius: 0.5rem;
    padding: 1.5rem;
    position: sticky;
    top: var(--navbar-height);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1),
    0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.tree-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--orage-navbar-color);
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--orage_light_blue);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.tree-icon {
    font-size: 1.5rem;
}

.tree-content {
    max-height: calc(100vh - 200px);
    overflow-y: auto;
}

.tree-node {
    margin-bottom: 0.5rem;
    overflow-x: hidden;
}

.tree-toggle , .search-btn {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    background: linear-gradient(135deg, #63696f, #3b4855);
    color: #fff;
    border-radius: 0.375rem;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
    border: transparent;
}
.search-btn{
    margin: 0;
    padding: 0.25rem 0.5rem;
    font-size: 1rem;
    font-weight: 500;
    border-top-left-radius: 0;
    border-top-right-radius: 0;
}
.tree-toggle:hover {
    filter: brightness(1.3);
    transform: translateX(3px);
}
.tree-search{
    display: inline-grid;
}
.tree-search-input{

}
.tree-toggle-arrow {
    transition: transform 0.3s ease;
    font-size: 0.875rem;
}

.tree-children {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.tree-node.open .tree-children {
    max-height: 1000px;
}

.tree-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1rem;
    margin: 0.25rem 0;
    margin-left: 0.5rem;
    background: #f3f4f6;
    border-left: 3px solid transparent;
    cursor: pointer;
    transition: all 0.2s ease;
    border-radius: 0.25rem;
    color: var(--orage-navbar-color);
}

.tree-item:hover {
    background: #e5e7eb;
    border-left-color: var(--orage_light_blue);
    transform: translateX(3px);
}

.tree-item.active {
    background:#a3aab0;
    color: #fff;
    border-left-color: var(--orage_dark_blue);
    font-weight: 600;
}

.tree-item-text:before{
    content: '';
    display: inline-block;
    height: 10px;
    aspect-ratio: 1/1;
    width: 10px;
    margin-right: 5px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1),
    0 2px 4px -1px rgba(0, 0, 0, 0.06);
    border-radius: 100%;
}
.tree-item-count {
    margin-left: auto;
    font-size: 0.875rem;
    opacity: 0.8;
}

/* ========================================
   SECTION DES COURS
   ======================================== */

.courses-section {
    background: #fff;
    border-radius: 0.5rem;
    padding: 2rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1),
    0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 2px solid #e5e7eb;
}

.section-title {
    position: relative;
    display: inline-block;
    vertical-align: center;
    flex-direction: row;
    font-size: 1.875rem;
    font-weight: 700;
    color: var(--orage-navbar-color);
    margin: 0;
}

.section-title::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -1.5rem;
    width: 60px;
    height: 3px;
    background: var(--orage_light_blue);
    border-radius: 9999px;
}

.results-count {
    background: rgb(101, 101, 108);
    color: #fff;
    padding: 0.5rem 1rem;
    border-radius: 9999px;
    font-size: 0.9rem;
}

.results-count strong {
    font-weight: 700;
    font-size: 1.1rem;
}

/* ========================================
   FILTRE ACTIF
   ======================================== */

.filter-bar {
    background: linear-gradient(135deg, #dbeafe, #bfdbfe);
    padding: 1rem 1.5rem;
    border-radius: 0.5rem;
    margin-bottom: 1.5rem;
    animation: slideDown 0.3s ease;
}

.filter-content {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.filter-label {
    font-weight: 600;
    color: var(--orage_dark_blue);
}

.filter-text {
    color: var(--orage-navbar-color);
    font-weight: 500;
}

.btn-clear-filter {
    margin-left: auto;
    background: #fff;
    color: var(--orage_dark_blue);
    border: 2px solid var(--orage_dark_blue);
    padding: 0.375rem 1rem;
    border-radius: 0.375rem;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.btn-clear-filter:hover {
    background: var(--orage_dark_blue);
    color: #fff;
}

/* ========================================
   ÉTAT VIDE (Aucun cours trouvé)
   ======================================== */

.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 4rem 2rem;
    text-align: center;
}

.empty-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.empty-message {
    color: #6b7280;
    font-size: 1.125rem;
    margin-bottom: 1.5rem;
}

/* ========================================
   GRILLE DES COURS
   ======================================== */

.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 1.5rem;
}

.course-card {
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 0.5rem;
    overflow: hidden;
    transition: all 0.3s ease;
    position: relative;
}

.course-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--orage_light_blue), var(--orage_dark_blue));
}

.course-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1),
    0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

.course-card.fade-in {
    animation: fadeIn 0.5s ease;
}

.course-card-header {
    padding: 1.5rem;
    background: linear-gradient(135deg, #f9fafb, #fff);
    border-bottom: 1px solid #e5e7eb;
}

.course-card-title {
    display: contents;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--orage-navbar-color);
    margin: 0 0 0.5rem 0;
}

.course-card-subtitle {
    color: #6b7280;
    font-size: 0.875rem;
    margin: 0;
}

.course-card-body {
    padding: 1.5rem;
}

.course-badges {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.course-badge {
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.badge-categorie {
    background: linear-gradient(135deg, #fbbf24, #f59e0b);
    color: #fff;
}
.badge-visibility-success{
    background: linear-gradient(135deg, #9af693, #37ec2a);
    color: #fff;
}
.badge-visibility-danger{
    background: linear-gradient(135deg, #fd4040, #c81010);
    color: #fff;
}
.badge-niveau {
    background: linear-gradient(135deg, #34d399, #10b981);
    color: #fff;
}

.course-description {
    color: #4b5563;
    line-height: 1.6;
    margin-bottom: 1.5rem;
    font-size: 0.9375rem;
}

.course-actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

/* ========================================
   BOUTONS DES COURS
   ======================================== */

.btn-course {
    flex: 1;
    padding: 0.625rem 1rem;
    border-radius: 0.375rem;
    font-weight: 500;
    font-size: 0.875rem;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.375rem;
    text-decoration: none;
}

.btn-icon {
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--orage_light_blue), var(--orage_dark_blue));
    color: #fff;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--orage_dark_blue_hover), var(--orage_dark_blue));
    transform: scale(1.05);
    text-decoration: none;
    color: #fff;
}

.btn-secondary {
    background: #fff;
    color: var(--orage_light_blue);
    border: 2px solid var(--orage_light_blue);
}

.btn-secondary:hover {
    background: var(--orage_light_blue);
    color: #fff;
    transform: scale(1.05);
    border: 2px solid var(--orage_light_blue) !important;
}

.btn-disabled {
    background: #e5e7eb;
    color: #9ca3af;
    cursor: not-allowed;
    opacity: 0.6;
}

.btn-disabled:hover {
    transform: none;
}

.btn-success {
    background: #10b981 !important;
    color: #fff !important;
    border-color: #10b981 !important;
}

/* ========================================
   ANIMATIONS
   ======================================== */

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

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

@keyframes pulseHighlight {
    0%, 100% {
        transform: scale(1);
    }
    25%, 75% {
        transform: scale(1.02);
    }
    50% {
        transform: scale(1.05);
    }
}

/* ========================================
   BARRE DE DÉFILEMENT PERSONNALISÉE
   ======================================== */

.tree-content::-webkit-scrollbar {
    width: 6px;
}

.tree-content::-webkit-scrollbar-track {
    background: #f3f4f6;
    border-radius: 3px;
}

.tree-content::-webkit-scrollbar-thumb {
    background: var(--orage_light_blue);
    border-radius: 3px;
}

.tree-content::-webkit-scrollbar-thumb:hover {
    background: var(--orage_dark_blue);
}

/* ========================================
   RÉPONSIVE
   ======================================== */

@media (max-width: 1024px) {
    .layout-grid {
        grid-template-columns: 1fr;
    }

    .tree-container {
        position: static;
        margin-bottom: 2rem;
    }

    .tree-content {
        max-height: 400px;
    }
}

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

    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .results-count {
        align-self: flex-start;
    }

    .courses-grid {
        grid-template-columns: 1fr;
    }

    .filter-content {
        flex-wrap: wrap;
    }

    .btn-clear-filter {
        margin-left: 0;
        margin-top: 0.5rem;
        width: 100%;
    }

    .course-actions {
        flex-direction: column;
    }

    .btn-course {
        width: 100%;
    }
}

/* État de chargement */
.loading {
    display: none;
    text-align: center;
    padding: 2rem;
    color: #6b7280;
}

.loading.active {
    display: block;
}

/* Message vide */
.empty-message {
    text-align: center;
    padding: 3rem;
    color: #9ca3af;
    display: none;
}

.empty-message.active {
    display: block;
}
.course-content{
    display: inline-flex;
    flex-direction: column;
    justify-content: center;
    width: 100%;
}
.chapter-body{
    position: relative;
    padding: 0 1rem 1rem;
}
.chapter-body::before{
    content: '';
    position: absolute;
    display: inline-block;
    top: 0;
    left: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(90deg, var(--orage_light_blue), var(--orage_dark_blue));
}
.chapter-header{
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 1rem 0;
    padding-bottom: 1.5rem;
    border-bottom: 2px solid #e5e7eb;
}

.chapter-header-command, .chapter-header-command img {
    height: 25px;
}
.chapter-header-command .up-command{
    filter: invert(38%) sepia(100%) hue-rotate(59.5deg) saturate(700%);
}
.chapter-header-command .down-command{
    filter: invert(38%) sepia(100%) hue-rotate(300.5deg) saturate(9000%);
}
.edit-icon {
    filter: invert(40%) sepia(100%) hue-rotate(200.5deg) saturate(8000%);
}
.delete-icon{
    filter: invert(55%) sepia(100%) hue-rotate(320.5deg) saturate(1600%);
}