.browse-container {
    width: 100%;
}

.browse-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    padding: 60px 20px;
    background: var(--white);
    border-bottom: 1px solid #e2e8f0;
    text-align: center;
}

.browse-header-top h1 {
    font-size: 2.8rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 12px;
}

.browse-header-top p {
    font-size: 1.1rem;
    color: #64748b;
    max-width: 600px;
}

.search-bar-wrapper {
    display: flex;
    gap: 12px;
    align-items: center;
    background: #f1f5f9;
    border: 2px solid #e2e8f0;
    border-radius: 50px;
    padding: 8px 16px;
    max-width: 650px;
    width: 95%;
    position: relative;
}

.search-input-group {
    flex: 1;
    display: flex;
    align-items: center;
    position: relative;
}

.search-input {
    flex: 1;
    border: none;
    outline: none;
    padding: 8px 40px 8px 10px;
    font-size: 1rem;
    background: transparent;
    color: var(--text-color);
    width: 100%;
}

.search-reset {
    position: absolute;
    right: 15px;
    font-size: 1.3rem;
    color: #94a3b8;
    text-decoration: none;
    line-height: 1;
    transition: color 0.2s;
}

.search-reset:hover {
    color: var(--primary-color);
}

.search-btn {
    background: var(--secondary-color);
    color: var(--white);
    border: none;
    padding: 10px 25px;
    border-radius: 50px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s;
}

.search-btn:hover {
    background: #0099a8;
    transform: scale(1.02);
}

.filters-bar {
    background: var(--white);
    border-bottom: 1px solid #e2e8f0;
    padding: 24px;
}

.basic-filters-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    max-width: var(--container-width);
    margin: 0 auto;
}

.basic-filters-left {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.filter-select {
    padding: 10px 16px;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    background: #f8fafc;
    min-width: 160px;
    transition: none;
}

.filter-select:hover {
    transform: none;
    box-shadow: none;
}

.filter-select:nth-child(1) { background: #fee2e2; border-color: #fecaca; }
.filter-select:nth-child(2) { background: #dcfce7; border-color: #bbf7d0; }
.filter-select:nth-child(3) { background: #fef9c3; border-color: #fef08a; }
.filter-select:nth-child(4) { background: #e0f2fe; border-color: #bae6fd; }

.results-count {
    color: #64748b;
    font-size: 0.9rem;
}

.browse-main {
    display: flex;
    gap: 40px;
    margin: 40px auto;
    max-width: var(--container-width);
    padding: 0 20px;
    align-items: flex-start;
}

/* Sidebar Filtres Avancés */
.advanced-filters {
    width: 260px;
    background: var(--white);
    padding: 20px;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    height: fit-content;
    border: 1px solid #f1f5f9;
}

.advanced-filters-header {
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid #f1f5f9;
}

.advanced-filters h2 {
    font-size: 1.2rem;
    color: var(--primary-color);
    margin-bottom: 0;
    font-weight: 800;
}

.mobile-filter-toggle {
    display: none
}

.filter-group { 
    margin-bottom: 25px;
}

.filter-group-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.filter-group h3 {
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--primary-color);
}

.filter-group-header h3 {
    margin-bottom: 0;
}

/* Nouveau : Liste avec "Voir plus" */
.filter-list {
    list-style: none;
    padding: 0;
}

.collapsible-list li:nth-child(n+5) {
    display: none;
}

.collapsible-list.expanded li:nth-child(n+5) {
    display: flex;
}

.filter-group li {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
    cursor: pointer;
}

.voir-plus-btn {
    display: inline-block;
    font-size: 0.8rem;
    color: var(--secondary-color);
    font-weight: 700;
    text-decoration: none;
    margin-top: 5px;
    cursor: pointer;
    transition: all 0.2s;
}

.voir-plus-btn:hover {
    text-decoration: underline;
}

.filter-group input[type="checkbox"],
.filter-group input[type="radio"] {
    appearance: none;
    -webkit-appearance: none;
    width: 16px;
    height: 16px;
    border: 2px solid #cbd5e1;
    border-radius: 4px;
    cursor: pointer;
    position: relative;
    background: var(--white);
}

.filter-group input[type="radio"] {
    border-radius: 50%;
}

.filter-group input[type="checkbox"]:checked,
.filter-group input[type="radio"]:checked {
    background: var(--secondary-color);
    border-color: var(--secondary-color);
}

.filter-group input[type="checkbox"]:checked::after {
    content: "V";
    position: absolute;
    color: white;
    font-size: 10px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.filter-group label {
    font-size: 0.9rem;
    color: #475569;
    font-weight: 500;
    cursor: pointer;
}

.color-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: #ccc;
}

.duration-slider-container {
    padding: 10px 5px 5px;
}

.simple-range {
    -webkit-appearance: none;
    width: 100%;
    height: 8px;
    background: #f1f5f9;
    border-radius: 10px;
    outline: none;
}

.simple-range::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    background: var(--white);
    border: 3px solid var(--secondary-color);
    border-radius: 50%;
    cursor: pointer;
    margin-top: -6px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.range-labels {
    display: flex;
    justify-content: space-between;
    margin-top: 10px;
    font-size: 0.75rem;
    color: #94a3b8;
}

.apply-filters-btn {
    width: 100%;
    background: var(--primary-color);
    color: var(--white);
    border: none;
    padding: 12px;
    border-radius: 10px;
    font-weight: 700;
    font-size: 0.95rem;
    cursor: pointer;
    margin-top: 10px;
}

.reset-all-link {
    font-size: 0.85rem;
    color: #94a3b8;
    text-decoration: none;
    font-weight: 600;
    display: block;
    margin-top: 12px;
}

.duration-badge {
    background: #e0f2fe;
    color: #0369a1;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 700;
}

.courses-grid {
    flex: 1;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-auto-rows: max-content;
    gap: 30px;
}

.course-card {
    background: var(--white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    transition: all 0.3s;
    height: 100%;
    position: relative;
}

.course-card:hover {
    transform: translateY(-8px);
}

.course-image {
    height: 200px;
    position: relative;
    flex-shrink: 0;
}

.course-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.matiere-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    padding: 4px 12px;
    border-radius: 50px;
    color: var(--primary-color) !important;
    font-size: 0.8rem;
    font-weight: 700;
    z-index: 10;
    text-decoration: none;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.course-content {
    padding: 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.course-content h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 8px;
    min-height: 2.8rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.author {
    font-size: 0.9rem;
    color: #64748b;
    margin-bottom: 12px;
    min-height: 1.2rem;
}

.rating {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0 0 15px;
}

.stars {
    color: #fbbf24;
    font-size: 1.1rem;
}

.rating-value {
    font-size: 0.85rem;
    color: #64748b;
    font-weight: 600;
}

.course-meta {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
    color: #64748b;
    margin-top: auto;
    padding-top: 15px;
    border-top: 1px solid #f1f5f9;
}

.meta-duree, .meta-niveau {
    display: flex;
    align-items: center;
    gap: 5px;
}

.view-course-btn {
    display: block;
    background: var(--secondary-color);
    color: var(--white);
    padding: 10px;
    border-radius: 8px;
    text-align: center;
    margin-top: 15px;
    font-weight: 700;
    text-decoration: none;
}

.view-course-btn::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
}

.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    padding: 60px 0;
}

.pagination-arrow {
    width: 40px;
    height: 40px;
    background: var(--secondary-color);
    color: var(--white);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    text-decoration: none;
}

@media (max-width: 1100px) {
    .browse-header {
        padding: 40px 20px;
    }

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

    .search-bar-wrapper {
        flex-direction: column;
        border-radius: 15px;
        padding: 10px;
        gap: 10px;
        background: var(--white);
        border: 1px solid #e2e8f0;
    }

    .search-input-group {
        width: 100%;
        background: #f1f5f9;
        border-radius: 10px;
        padding: 5px;
    }

    .search-btn {
        width: 100%;
        border-radius: 10px;
    }

    .filters-bar {
        padding: 15px;
    }

    .basic-filters-row {
        flex-direction: column;
        align-items: stretch;
        gap: 15px;
    }

    .basic-filters-left {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 8px;
    }

    .filter-select {
        min-width: 0;
        width: 100%;
        padding: 10px;
        font-size: 0.85rem;
    }

    .browse-main {
        flex-direction: column;
        gap: 20px;
        margin: 20px auto;
    }

    .mobile-filter-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 10px;
        width: 100%;
        padding: 14px;
        background: var(--primary-color);
        color: white;
        border: none;
        border-radius: 12px;
        font-weight: 700;
        font-size: 1rem;
        cursor: pointer;
        transition: all 0.3s ease;
    }

    .advanced-filters {
        width: 100%;
        padding: 15px;
        box-shadow: none;
        border: 1px solid #e2e8f0;
        display: none;
    }

    .advanced-filters.active {
        display: block;
        animation: fadeIn 0.3s ease;
    }

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

    .courses-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
        gap: 20px;
    }

    .course-image {
        height: 160px;
    }

    .course-content {
        padding: 15px;
    }
}

@media (max-width: 600px) {
    .basic-filters-left {
        grid-template-columns: 1fr;
    }

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