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

body {
    background-color: #f5f5f5;
    color: #333;
}

.container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

.login-form, .register-form {
    background-color: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 400px;
}

.login-form h2, .register-form h2 {
    margin-bottom: 20px;
    text-align: center;
    color: #2c3e50;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}

.form-group input, .form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

button {
    background-color: #3498db;
    color: white;
    border: none;
    padding: 12px 20px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    width: 100%;
    transition: background-color 0.3s;
}

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

.login-form p, .register-form p {
    text-align: center;
    margin-top: 20px;
}

.login-form a, .register-form a {
    color: #3498db;
    text-decoration: none;
}

/* Dashboard Styles */
.dashboard-container {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 250px;
    background-color: #2c3e50;
    color: white;
    padding: 20px 0;
}

.sidebar h3 {
    padding: 0 20px 20px;
    border-bottom: 1px solid #34495e;
    margin-bottom: 20px;
}

.sidebar ul {
    list-style: none;
}

.sidebar li {
    margin-bottom: 5px;
}

.sidebar a {
    display: block;
    padding: 12px 20px;
    color: #ecf0f1;
    text-decoration: none;
    transition: background-color 0.3s;
}

.sidebar a:hover, .sidebar a.active {
    background-color: #34495e;
}

.main-content {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid #ddd;
}

.user-info {
    background-color: #f8f9fa;
    padding: 8px 15px;
    border-radius: 4px;
}

.stats-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background-color: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.stat-card h3 {
    margin-bottom: 10px;
    color: #7f8c8d;
    font-size: 16px;
}

.stat-card p {
    font-size: 24px;
    font-weight: bold;
    color: #2c3e50;
}

.table-container {
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    overflow-x: auto;
}

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

th, td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid #ddd;
}

th {
    background-color: #f8f9fa;
    font-weight: 600;
}

tr:hover {
    background-color: #f8f9fa;
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    overflow-y: auto;
}

.modal-content {
    background-color: white;
    margin: 5% auto;
    padding: 20px;
    border-radius: 8px;
    width: 90%;
    max-width: 800px;
    position: relative;
}

.close {
    position: absolute;
    right: 20px;
    top: 15px;
    font-size: 24px;
    cursor: pointer;
}

.form-row {
    display: flex;
    gap: 20px;
    margin-bottom: 15px;
}

.form-row .form-group {
    flex: 1;
}

.preview {
    margin-top: 10px;
    max-width: 100px;
    max-height: 100px;
    border: 1px solid #ddd;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.preview img {
    max-width: 100%;
    max-height: 100%;
}

.checkbox-group {
    display: flex;
    gap: 15px;
    margin-top: 10px;
}

.checkbox-group label {
    display: flex;
    align-items: center;
    gap: 5px;
}

.action-buttons {
    display: flex;
    gap: 10px;
}

.btn-edit, .btn-delete, .btn-passbook {
    padding: 6px 12px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
}

.btn-edit {
    background-color: #f39c12;
    color: white;
}

.btn-delete {
    background-color: #e74c3c;
    color: white;
}

.btn-passbook {
    background-color: #27ae60;
    color: white;
}

/* Responsive */
@media (max-width: 768px) {
    .dashboard-container {
        flex-direction: column;
    }
    
    .sidebar {
        width: 100%;
        padding: 10px 0;
    }
    
    .sidebar ul {
        display: flex;
        overflow-x: auto;
    }
    
    .sidebar li {
        margin-right: 10px;
        white-space: nowrap;
    }
    
    .stats-container {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }
    
    .form-row {
        flex-direction: column;
        gap: 0;
    }
    
    .modal-content {
        margin: 10% auto;
        width: 95%;
    }
}