* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 20px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    background: white;
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
}

h2 {
    color: #333;
    margin-bottom: 20px;
}

input, button {
    padding: 12px;
    font-size: 16px;
    border: 1px solid #ddd;
    border-radius: 5px;
}

input {
    flex: 1;
}

button {
    background: #667eea;
    color: white;
    border: none;
    cursor: pointer;
    transition: background 0.3s;
}

button:hover {
    background: #5a67d8;
}

#result {
    margin-top: 20px;
    padding: 15px;
    background: #f0f0f0;
    border-radius: 5px;
}

.success {
    color: #155724;
    background: #d4edda;
    padding: 15px;
    border-radius: 5px;
}

.error {
    color: #721c24;
    background: #f8d7da;
    padding: 15px;
    border-radius: 5px;
    margin-bottom: 15px;
}

.admin-link {
    margin-top: 20px;
    text-align: center;
}

.admin-link a {
    color: #667eea;
    text-decoration: none;
}

.login-box, .form-box {
    max-width: 400px;
    margin: 0 auto;
}

.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.admin-nav a {
    margin-left: 10px;
    padding: 8px 15px;
    text-decoration: none;
    border-radius: 5px;
}

.btn-add {
    background: #28a745;
    color: white;
}

.btn-logout {
    background: #dc3545;
    color: white;
}

.stats {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
}

.stat-box {
    flex: 1;
    background: #f8f9fa;
    padding: 20px;
    border-radius: 10px;
    text-align: center;
}

.stat-box h3 {
    font-size: 14px;
    color: #666;
    margin-bottom: 10px;
}

.stat-box p {
    font-size: 32px;
    font-weight: bold;
    color: #667eea;
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
    overflow-x: auto;
    display: block;
}

.admin-table th, .admin-table td {
    border: 1px solid #ddd;
    padding: 10px;
    text-align: left;
}

.admin-table th {
    background: #667eea;
    color: white;
}

.btn-edit {
    background: #ffc107;
    color: #333;
    padding: 5px 10px;
    text-decoration: none;
    border-radius: 3px;
    margin-right: 5px;
    display: inline-block;
}

.btn-delete {
    background: #dc3545;
    color: white;
    padding: 5px 10px;
    text-decoration: none;
    border-radius: 3px;
}

.btn-save {
    background: #28a745;
}

.btn-cancel {
    background: #6c757d;
    color: white;
    padding: 10px 15px;
    text-decoration: none;
    border-radius: 5px;
    display: inline-block;
}

.btn-back {
    display: inline-block;
    margin-top: 20px;
    color: #667eea;
    text-decoration: none;
}

.form-actions {
    margin-top: 20px;
    display: flex;
    gap: 10px;
}

label {
    display: block;
    margin-top: 15px;
    margin-bottom: 5px;
    font-weight: bold;
}

small {
    display: block;
    margin-top: 5px;
    color: #666;
    font-size: 12px;
}

@media (max-width: 768px) {
    .container {
        padding: 15px;
    }
    
    .admin-table {
        font-size: 12px;
    }
    
    .stats {
        flex-direction: column;
    }
}