```css
/* =========================================================
   BIBLIOTHÈQUE DOCUMENTAIRE
   ========================================================= */

.documents-section {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px 60px;
    box-sizing: border-box;
}

/* =========================================================
   TOOLBAR
   ========================================================= */

.documents-toolbar {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 30px;
    margin-bottom: 30px;
}

.section-label {
    display: inline-block;
    margin-bottom: 8px;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 1.5px;
    color: #075bd3;
    text-transform: uppercase;
}

.documents-toolbar h2 {
    margin: 0;
    font-size: 32px;
    line-height: 1.2;
    font-weight: 700;
    color: #002b67;
}

/* =========================================================
   ACTIONS
   ========================================================= */

.document-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* Recherche */

.search-box {
    width: 300px;
    height: 46px;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 0 15px;
    border: 1px solid #d9e0e8;
    border-radius: 8px;
    background: #ffffff;
    box-sizing: border-box;
    transition: all 0.25s ease;
}

.search-box:focus-within {
    border-color: #075bd3;
    box-shadow: 0 0 0 3px rgba(7, 91, 211, 0.10);
}

.search-box span {
    font-size: 22px;
    color: #65758b;
    line-height: 1;
}

.search-box input {
    width: 100%;
    height: 100%;
    border: none;
    outline: none;
    background: transparent;
    font-size: 14px;
    color: #26364a;
}

.search-box input::placeholder {
    color: #8b98a9;
}

/* Select catégorie */

.category-select,
.items-per-page select {
    height: 46px;
    padding: 0 35px 0 14px;
    border: 1px solid #d9e0e8;
    border-radius: 8px;
    background-color: #ffffff;
    color: #26364a;
    font-size: 14px;
    cursor: pointer;
    outline: none;
    transition: border-color 0.25s ease,
                box-shadow 0.25s ease;
}

.category-select:focus,
.items-per-page select:focus {
    border-color: #075bd3;
    box-shadow: 0 0 0 3px rgba(7, 91, 211, 0.10);
}

/* =========================================================
   TABLEAU
   ========================================================= */

.table-wrapper {
    width: 100%;
    overflow-x: auto;
    border: 1px solid #e1e6ed;
    border-radius: 10px;
    background: #ffffff;
    box-shadow: 0 4px 18px rgba(0, 43, 103, 0.06);
}

.documents-table {
    width: 100%;
    min-width: 700px;
    border-collapse: collapse;
    table-layout: fixed;
}

/* En-tête */

.documents-table thead {
    background: #002b67;
}

.documents-table th {
    padding: 16px 18px;
    text-align: left;
    color: #ffffff;
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    border: 1px solid rgba(255, 255, 255, 0.15);
}

/* Colonnes */

.documents-table th:nth-child(1) {
    width: 45%;
}

.documents-table th:nth-child(2) {
    width: 20%;
}

.documents-table th:nth-child(3) {
    width: 12%;
}

.documents-table th:nth-child(4) {
    width: 23%;
    text-align: center;
}

/* Cellules */

.documents-table td {
    padding: 16px 18px;
    color: #34465a;
    font-size: 14px;
    border: 1px solid #e4e8ee;
    vertical-align: middle;
    word-break: break-word;
}

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

.documents-table tbody tr:hover {
    background: #f5f8fc;
}

/* Nom du document */

.documents-table td:first-child {
    color: #002b67;
    font-weight: 600;
}

/* Catégorie */

.documents-table td:nth-child(2) {
    color: #52657a;
}

/* Taille */

.documents-table td:nth-child(3) {
    color: #68798c;
}

/* Action */

.documents-table td:last-child {
    text-align: center;
}

/* =========================================================
   BOUTON TÉLÉCHARGER
   ========================================================= */

.documents-table td a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 105px;
    padding: 9px 14px;
    border-radius: 6px;
    background: #075bd3;
    color: #ffffff;
    text-decoration: none;
    font-size: 13px;
    font-weight: 600;
    transition: all 0.25s ease;
}

.documents-table td a::before {
    content: "↓";
    margin-right: 7px;
    font-size: 16px;
}

.documents-table td a:hover {
    background: #002b67;
    transform: translateY(-1px);
}

/* =========================================================
   EMPTY STATE
   ========================================================= */

.empty-state {
    display: none;
    padding: 55px 20px;
    text-align: center;
}

.empty-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: #eef4fb;
    color: #075bd3;
    font-size: 28px;
}

.empty-state h3 {
    margin: 0 0 8px;
    color: #002b67;
    font-size: 20px;
}

.empty-state p {
    margin: 0;
    color: #718096;
    font-size: 14px;
}

/* =========================================================
   FOOTER TABLEAU
   ========================================================= */

.table-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    margin-top: 20px;
}

/* Éléments par page */

.items-per-page {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #64748b;
    font-size: 13px;
}

.items-per-page select {
    height: 38px;
    padding: 0 28px 0 10px;
}

/* =========================================================
   PAGINATION
   ========================================================= */

.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
}

.pagination button {
    min-width: 36px;
    height: 36px;
    padding: 0 10px;
    border: 1px solid #d9e0e8;
    border-radius: 6px;
    background: #ffffff;
    color: #34465a;
    font-size: 13px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.pagination button:hover:not(:disabled) {
    border-color: #075bd3;
    color: #075bd3;
    background: #f4f8fd;
}

.pagination button.active {
    background: #075bd3;
    border-color: #075bd3;
    color: #ffffff;
}

.pagination button:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

/* Total */

.total-documents {
    color: #64748b;
    font-size: 13px;
    white-space: nowrap;
}

/* =========================================================
   RESPONSIVE TABLETTE
   ========================================================= */

@media (max-width: 900px) {

    .documents-toolbar {
        flex-direction: column;
        align-items: stretch;
        gap: 20px;
    }

    .document-actions {
        width: 100%;
    }

    .search-box {
        flex: 1;
        width: auto;
    }

    .category-select {
        width: 220px;
    }

    .table-footer {
        flex-wrap: wrap;
    }

}

/* =========================================================
   RESPONSIVE MOBILE
   ========================================================= */

@media (max-width: 650px) {

    .documents-section {
        padding: 30px 12px 45px;
    }

    .documents-toolbar h2 {
        font-size: 25px;
    }

    .section-label {
        font-size: 11px;
    }

    .document-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .search-box,
    .category-select {
        width: 100%;
    }

    .table-wrapper {
        border-radius: 8px;
    }

    .table-footer {
        flex-direction: column;
        align-items: stretch;
        gap: 15px;
    }

    .items-per-page {
        justify-content: space-between;
    }

    .pagination {
        justify-content: center;
        flex-wrap: wrap;
    }

    .total-documents {
        text-align: center;
    }

}

/* =========================================================
   PETIT MOBILE
   ========================================================= */

@media (max-width: 400px) {

    .documents-toolbar h2 {
        font-size: 22px;
    }

    .pagination button {
        min-width: 32px;
        height: 32px;
        padding: 0 7px;
    }

}
```