* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: #f5f5f5;
    color: #333;
    padding: 20px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    background-color: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

h1 {
    text-align: center;
    color: #2c3e50;
    margin-bottom: 30px;
    font-size: 2em;
}

h2 {
    color: #34495e;
    margin-bottom: 15px;
    border-bottom: 2px solid #3498db;
    padding-bottom: 8px;
}

.form-section {
    margin-bottom: 40px;
}

.form-group {
    margin-bottom: 15px;
}

.note {
    display: block;
    margin-top: 5px;
    color: #666;
    font-size: 0.9em;
}

label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
    color: #555;
}

input, textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1em;
}

textarea {
    resize: vertical;
    min-height: 60px;
}

button {
    background-color: #3498db;
    color: white;
    border: none;
    padding: 12px 25px;
    font-size: 1em;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s;
}

button:hover {
    background-color: #2980b9;
}

.table-section {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid #ddd;
}

th {
    background-color: #3498db;
    color: white;
    font-weight: 600;
}

tr:hover {
    background-color: #f9f9f9;
}

.delete-btn {
    background-color: #e74c3c;
    padding: 6px 12px;
    font-size: 0.9em;
}

.delete-btn:hover {
    background-color: #c0392b;
}

.nav-section {
    margin-bottom: 30px;
    text-align: center;
}

.nav-link {
    display: inline-block;
    background-color: #27ae60;
    color: white;
    padding: 12px 25px;
    text-decoration: none;
    border-radius: 4px;
    font-size: 1em;
    transition: background-color 0.3s;
}

.nav-link:hover {
    background-color: #219150;
}

@media (max-width: 768px) {
    .container {
        padding: 15px;
    }
}

/* Modal Styles */
.modal {
    position: fixed;
    z-index: 1;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0,0,0,0.4);
}

.modal-content {
    background-color: #fefefe;
    margin: 5% auto;
    padding: 20px;
    border: 1px solid #888;
    width: 80%;
    max-width: 500px;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

.close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
}

.close:hover,
.close:focus {
    color: black;
    text-decoration: none;
    cursor: pointer;
}

.edit-btn {
    background-color: #2196F3;
    color: white;
    border: none;
    padding: 6px 12px;
    font-size: 0.9em;
    border-radius: 4px;
    cursor: pointer;
    margin-right: 5px;
}

.edit-btn:hover {
    background-color: #0b7dda;
}

/* Status Badges */
.status-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.85em;
    font-weight: 600;
}

.status-pending {
    background-color: #f39c12;
    color: white;
}

.status-approved {
    background-color: #27ae60;
    color: white;
}

.status-rejected {
    background-color: #e74c3c;
    color: white;
}

/* Approval Buttons */
.approve-btn {
    background-color: #27ae60;
    color: white;
    border: none;
    padding: 6px 12px;
    font-size: 0.9em;
    border-radius: 4px;
    cursor: pointer;
    margin-right: 5px;
}

.approve-btn:hover:not(:disabled) {
    background-color: #219150;
}

.approve-btn:disabled {
    background-color: #95a5a6;
    cursor: not-allowed;
}

.reject-btn {
    background-color: #e67e22;
    color: white;
    border: none;
    padding: 6px 12px;
    font-size: 0.9em;
    border-radius: 4px;
    cursor: pointer;
    margin-right: 5px;
}

.reject-btn:hover:not(:disabled) {
    background-color: #d35400;
}

.reject-btn:disabled {
    background-color: #95a5a6;
    cursor: not-allowed;
}