diff --git a/public/style.css b/public/style.css
index 24185c8..92bef0d 100644
--- a/public/style.css
+++ b/public/style.css
@@ -2352,737 +2352,3 @@ small {
 .nav-btn.profile:hover { box-shadow: 0 6px 20px rgba(46, 204, 113, 0.4); }
 .nav-btn.admin:hover { box-shadow: 0 6px 20px rgba(231, 76, 60, 0.4); }
 /* doc */
-/* doc.css */
-:root {
-    --primary-color: #3498db;
-    --secondary-color: #2c3e50;
-    --success-color: #27ae60;
-    --warning-color: #f39c12;
-    --danger-color: #e74c3c;
-    --light-color: #ecf0f1;
-    --dark-color: #34495e;
-    --text-color: #333;
-    --border-color: #ddd;
-    --sidebar-width: 250px;
-    --header-height: 70px;
-}
-
-* {
-    margin: 0;
-    padding: 0;
-    box-sizing: border-box;
-}
-
-body {
-    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
-    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
-    min-height: 100vh;
-    color: var(--text-color);
-}
-
-.doc-container {
-    max-width: 1400px;
-    margin: 20px auto;
-    background: white;
-    border-radius: 15px;
-    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
-    overflow: hidden;
-}
-
-/* Header */
-header {
-    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
-    color: white;
-    padding: 15px 25px;
-    border-bottom: 3px solid rgba(255, 255, 255, 0.1);
-}
-
-.header-top {
-    display: flex;
-    justify-content: space-between;
-    align-items: center;
-    margin-bottom: 15px;
-    flex-wrap: wrap;
-    gap: 15px;
-}
-
-.header-top h1 {
-    font-size: 24px;
-    font-weight: 600;
-    display: flex;
-    align-items: center;
-    gap: 10px;
-}
-
-.user-info {
-    display: flex;
-    align-items: center;
-    gap: 15px;
-}
-
-.user-info span {
-    background: rgba(255, 255, 255, 0.1);
-    padding: 8px 15px;
-    border-radius: 20px;
-    font-size: 14px;
-    backdrop-filter: blur(10px);
-}
-
-/* Navigation */
-.doc-nav {
-    display: flex;
-    gap: 10px;
-    flex-wrap: wrap;
-    padding-top: 10px;
-    border-top: 1px solid rgba(255, 255, 255, 0.1);
-}
-
-.nav-btn {
-    background: rgba(255, 255, 255, 0.1);
-    color: white;
-    border: 1px solid rgba(255, 255, 255, 0.2);
-    padding: 10px 20px;
-    border-radius: 8px;
-    cursor: pointer;
-    font-size: 14px;
-    font-weight: 500;
-    transition: all 0.3s ease;
-    display: flex;
-    align-items: center;
-    gap: 8px;
-    backdrop-filter: blur(10px);
-}
-
-.nav-btn:hover {
-    background: rgba(255, 255, 255, 0.2);
-    transform: translateY(-2px);
-    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
-}
-
-.nav-btn.active {
-    background: white;
-    color: var(--primary-color);
-    font-weight: 600;
-}
-
-.btn-logout {
-    background: rgba(231, 76, 60, 0.2);
-    color: white;
-    border: 1px solid rgba(231, 76, 60, 0.3);
-    padding: 10px 20px;
-    border-radius: 8px;
-    cursor: pointer;
-    font-size: 14px;
-    font-weight: 500;
-    transition: all 0.3s ease;
-    display: flex;
-    align-items: center;
-    gap: 8px;
-    backdrop-filter: blur(10px);
-    margin-left: auto;
-}
-
-.btn-logout:hover {
-    background: rgba(231, 76, 60, 0.3);
-    transform: translateY(-2px);
-}
-
-.btn-back {
-    background: rgba(255, 255, 255, 0.1);
-    color: white;
-    border: 1px solid rgba(255, 255, 255, 0.2);
-    padding: 8px 15px;
-    border-radius: 8px;
-    cursor: pointer;
-    font-size: 14px;
-    transition: all 0.3s ease;
-    display: flex;
-    align-items: center;
-    gap: 5px;
-}
-
-.btn-back:hover {
-    background: rgba(255, 255, 255, 0.2);
-    transform: translateX(-3px);
-}
-
-/* Main content */
-main {
-    padding: 25px;
-    min-height: 500px;
-}
-
-.document-section {
-    display: none;
-    animation: fadeIn 0.5s ease;
-}
-
-.document-section.active {
-    display: block;
-}
-
-@keyframes fadeIn {
-    from { opacity: 0; transform: translateY(10px); }
-    to { opacity: 1; transform: translateY(0); }
-}
-
-h2 {
-    color: var(--secondary-color);
-    margin-bottom: 20px;
-    font-size: 22px;
-    display: flex;
-    align-items: center;
-    gap: 10px;
-    padding-bottom: 10px;
-    border-bottom: 2px solid var(--light-color);
-}
-
-/* Forms */
-form {
-    background: var(--light-color);
-    padding: 25px;
-    border-radius: 12px;
-    margin-top: 20px;
-}
-
-.form-row {
-    display: flex;
-    gap: 20px;
-    margin-bottom: 20px;
-    flex-wrap: wrap;
-}
-
-.form-group {
-    flex: 1;
-    min-width: 200px;
-}
-
-.form-group label {
-    display: block;
-    margin-bottom: 8px;
-    font-weight: 600;
-    color: var(--dark-color);
-    font-size: 14px;
-    display: flex;
-    align-items: center;
-    gap: 8px;
-}
-
-.form-group input[type="text"],
-.form-group input[type="number"],
-.form-group input[type="date"],
-.form-group input[type="datetime-local"],
-.form-group select,
-.form-group textarea {
-    width: 100%;
-    padding: 12px 15px;
-    border: 2px solid #ddd;
-    border-radius: 8px;
-    font-size: 14px;
-    transition: all 0.3s ease;
-    background: white;
-}
-
-.form-group input:focus,
-.form-group select:focus,
-.form-group textarea:focus {
-    outline: none;
-    border-color: var(--primary-color);
-    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.2);
-}
-
-.form-group textarea {
-    resize: vertical;
-    min-height: 100px;
-}
-
-/* File upload */
-.file-upload {
-    position: relative;
-    margin-top: 10px;
-}
-
-.file-upload input[type="file"] {
-    display: none;
-}
-
-.file-upload-label {
-    display: inline-block;
-    background: var(--primary-color);
-    color: white;
-    padding: 12px 25px;
-    border-radius: 8px;
-    cursor: pointer;
-    transition: all 0.3s ease;
-    font-weight: 500;
-    display: flex;
-    align-items: center;
-    gap: 10px;
-    width: fit-content;
-}
-
-.file-upload-label:hover {
-    background: #2980b9;
-    transform: translateY(-2px);
-    box-shadow: 0 5px 15px rgba(52, 152, 219, 0.3);
-}
-
-#file-list {
-    margin-top: 15px;
-}
-
-.file-item {
-    background: white;
-    padding: 12px 15px;
-    border-radius: 8px;
-    margin-bottom: 10px;
-    border-left: 4px solid var(--primary-color);
-    display: flex;
-    justify-content: space-between;
-    align-items: center;
-    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
-}
-
-.file-item-info {
-    display: flex;
-    align-items: center;
-    gap: 10px;
-}
-
-.file-item-actions button {
-    background: none;
-    border: none;
-    color: var(--danger-color);
-    cursor: pointer;
-    font-size: 16px;
-    transition: color 0.3s ease;
-}
-
-.file-item-actions button:hover {
-    color: #c0392b;
-}
-
-.form-info {
-    background: rgba(52, 152, 219, 0.1);
-    padding: 15px;
-    border-radius: 8px;
-    margin: 20px 0;
-    border-left: 4px solid var(--primary-color);
-}
-
-.form-info p {
-    margin: 5px 0;
-    color: var(--dark-color);
-    font-size: 14px;
-    display: flex;
-    align-items: flex-start;
-    gap: 8px;
-}
-
-.btn-primary {
-    background: linear-gradient(135deg, var(--primary-color), #2980b9);
-    color: white;
-    border: none;
-    padding: 14px 30px;
-    border-radius: 8px;
-    cursor: pointer;
-    font-size: 16px;
-    font-weight: 600;
-    transition: all 0.3s ease;
-    display: flex;
-    align-items: center;
-    gap: 10px;
-    margin-top: 20px;
-}
-
-.btn-primary:hover {
-    transform: translateY(-3px);
-    box-shadow: 0 7px 20px rgba(52, 152, 219, 0.3);
-}
-
-.btn-secondary {
-    background: var(--light-color);
-    color: var(--dark-color);
-    border: 1px solid var(--border-color);
-    padding: 14px 30px;
-    border-radius: 8px;
-    cursor: pointer;
-    font-size: 16px;
-    font-weight: 600;
-    transition: all 0.3s ease;
-    display: flex;
-    align-items: center;
-    gap: 10px;
-}
-
-.btn-secondary:hover {
-    background: #e0e0e0;
-}
-
-/* Section header */
-.section-header {
-    display: flex;
-    justify-content: space-between;
-    align-items: center;
-    margin-bottom: 20px;
-    flex-wrap: wrap;
-    gap: 15px;
-}
-
-.document-filters {
-    display: flex;
-    gap: 15px;
-    flex-wrap: wrap;
-}
-
-.filter-group {
-    display: flex;
-    align-items: center;
-    gap: 10px;
-}
-
-.filter-group label {
-    font-weight: 600;
-    color: var(--dark-color);
-    font-size: 14px;
-    display: flex;
-    align-items: center;
-    gap: 5px;
-}
-
-.filter-group input[type="text"],
-.filter-group select {
-    padding: 8px 12px;
-    border: 2px solid #ddd;
-    border-radius: 6px;
-    font-size: 14px;
-    min-width: 200px;
-}
-
-/* Documents list */
-.documents-list {
-    display: grid;
-    gap: 15px;
-    margin-top: 20px;
-}
-
-.document-card {
-    background: white;
-    border-radius: 12px;
-    padding: 20px;
-    border-left: 4px solid var(--primary-color);
-    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
-    transition: all 0.3s ease;
-    position: relative;
-    overflow: hidden;
-}
-
-.document-card:hover {
-    transform: translateY(-3px);
-    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
-}
-
-.document-card-header {
-    display: flex;
-    justify-content: space-between;
-    align-items: flex-start;
-    margin-bottom: 15px;
-}
-
-.document-title {
-    font-size: 18px;
-    font-weight: 600;
-    color: var(--secondary-color);
-    margin-bottom: 5px;
-    display: flex;
-    align-items: center;
-    gap: 10px;
-}
-
-.document-meta {
-    display: flex;
-    flex-wrap: wrap;
-    gap: 15px;
-    margin-bottom: 15px;
-    font-size: 13px;
-    color: #666;
-}
-
-.document-meta span {
-    display: flex;
-    align-items: center;
-    gap: 5px;
-}
-
-.document-description {
-    color: var(--text-color);
-    margin-bottom: 15px;
-    line-height: 1.5;
-}
-
-.document-files {
-    margin: 15px 0;
-}
-
-.document-files h4 {
-    margin-bottom: 10px;
-    color: var(--dark-color);
-    font-size: 14px;
-    display: flex;
-    align-items: center;
-    gap: 8px;
-}
-
-.file-tags {
-    display: flex;
-    flex-wrap: wrap;
-    gap: 8px;
-}
-
-.file-tag {
-    background: var(--light-color);
-    padding: 5px 10px;
-    border-radius: 15px;
-    font-size: 12px;
-    color: var(--dark-color);
-    display: flex;
-    align-items: center;
-    gap: 5px;
-    cursor: pointer;
-    transition: all 0.3s ease;
-}
-
-.file-tag:hover {
-    background: var(--primary-color);
-    color: white;
-}
-
-.document-actions {
-    display: flex;
-    gap: 10px;
-    margin-top: 15px;
-}
-
-.btn-small {
-    padding: 8px 15px;
-    border-radius: 6px;
-    font-size: 13px;
-    font-weight: 500;
-    border: none;
-    cursor: pointer;
-    transition: all 0.3s ease;
-    display: flex;
-    align-items: center;
-    gap: 5px;
-}
-
-.btn-approve {
-    background: linear-gradient(135deg, var(--success-color), #219653);
-    color: white;
-}
-
-.btn-refuse {
-    background: linear-gradient(135deg, var(--danger-color), #c0392b);
-    color: white;
-}
-
-.btn-cancel {
-    background: linear-gradient(135deg, #95a5a6, #7f8c8d);
-    color: white;
-}
-
-.btn-download {
-    background: linear-gradient(135deg, var(--primary-color), #2980b9);
-    color: white;
-}
-
-.btn-small:hover {
-    transform: translateY(-2px);
-    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
-}
-
-.document-status {
-    position: absolute;
-    top: 20px;
-    right: 20px;
-    padding: 5px 12px;
-    border-radius: 15px;
-    font-size: 12px;
-    font-weight: 600;
-    text-transform: uppercase;
-}
-
-.status-created { background: #3498db; color: white; }
-.status-assigned { background: #f39c12; color: white; }
-.status-in_progress { background: #3498db; color: white; }
-.status-pre_approved { background: #9b59b6; color: white; }
-.status-approved { background: #27ae60; color: white; }
-.status-refused { background: #e74c3c; color: white; }
-.status-cancelled { background: #95a5a6; color: white; }
-.status-overdue { background: #c0392b; color: white; }
-
-.loading {
-    text-align: center;
-    padding: 40px;
-    color: #666;
-    font-size: 16px;
-}
-
-.loading i {
-    margin-right: 10px;
-    color: var(--primary-color);
-}
-
-/* Modal */
-.modal {
-    display: none;
-    position: fixed;
-    z-index: 1000;
-    left: 0;
-    top: 0;
-    width: 100%;
-    height: 100%;
-    background-color: rgba(0, 0, 0, 0.5);
-    backdrop-filter: blur(5px);
-    animation: fadeIn 0.3s ease;
-}
-
-.modal-content {
-    background-color: white;
-    margin: 5% auto;
-    padding: 30px;
-    border-radius: 15px;
-    width: 90%;
-    max-width: 500px;
-    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
-    animation: slideIn 0.3s ease;
-}
-
-@keyframes slideIn {
-    from { transform: translateY(-50px); opacity: 0; }
-    to { transform: translateY(0); opacity: 1; }
-}
-
-.modal-content h3 {
-    color: var(--secondary-color);
-    margin-bottom: 20px;
-    font-size: 20px;
-    display: flex;
-    align-items: center;
-    gap: 10px;
-}
-
-.modal-content .close {
-    float: right;
-    font-size: 28px;
-    font-weight: bold;
-    color: #aaa;
-    cursor: pointer;
-    transition: color 0.3s ease;
-}
-
-.modal-content .close:hover {
-    color: var(--text-color);
-}
-
-.modal-buttons {
-    display: flex;
-    gap: 15px;
-    margin-top: 25px;
-}
-
-.modal-buttons button {
-    flex: 1;
-}
-
-/* Responsive */
-@media (max-width: 768px) {
-    .doc-container {
-        margin: 10px;
-        border-radius: 10px;
-    }
-    
-    main {
-        padding: 15px;
-    }
-    
-    .header-top {
-        flex-direction: column;
-        align-items: flex-start;
-    }
-    
-    .user-info {
-        width: 100%;
-        justify-content: space-between;
-    }
-    
-    .form-row {
-        flex-direction: column;
-    }
-    
-    .form-group {
-        min-width: 100%;
-    }
-    
-    .doc-nav {
-        justify-content: center;
-    }
-    
-    .section-header {
-        flex-direction: column;
-        align-items: flex-start;
-    }
-    
-    .document-filters {
-        width: 100%;
-    }
-    
-    .filter-group {
-        flex-direction: column;
-        align-items: flex-start;
-        width: 100%;
-    }
-    
-    .filter-group input[type="text"],
-    .filter-group select {
-        min-width: 100%;
-    }
-    
-    .document-card-header {
-        flex-direction: column;
-        gap: 10px;
-    }
-    
-    .document-status {
-        position: static;
-        margin-bottom: 10px;
-        width: fit-content;
-    }
-    
-    .modal-content {
-        margin: 20% auto;
-        width: 95%;
-        padding: 20px;
-    }
-}
-
-@media (max-width: 480px) {
-    .nav-btn, .btn-logout, .btn-back {
-        padding: 8px 12px;
-        font-size: 13px;
-    }
-    
-    .header-top h1 {
-        font-size: 20px;
-    }
-    
-    .document-actions {
-        flex-wrap: wrap;
-    }
-    
-    .btn-small {
-        flex: 1;
-        justify-content: center;
-        min-width: 120px;
-    }
-}
\ No newline at end of file