* {
    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;
    padding: 20px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

h1 {
    color: #333;
    margin-bottom: 30px;
    text-align: center;
    border-bottom: 3px solid #667eea;
    padding-bottom: 15px;
}

.message {
    background: #d4edda;
    color: #155724;
    padding: 12px 20px;
    border-radius: 5px;
    margin-bottom: 20px;
    border-left: 4px solid #28a745;
}

.message.error {
    background: #f8d7da;
    color: #721c24;
    border-left-color: #f5576c;
}

.forms-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 30px;
}

@media (max-width: 768px) {
    .forms-section {
        grid-template-columns: 1fr;
    }
}

.form-section {
    background: #f8f9fa;
    padding: 25px;
    border-radius: 8px;
    border: 1px solid #dee2e6;
}

.form-section h3 {
    color: #667eea;
    margin-bottom: 20px;
    font-size: 18px;
}

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

label {
    display: block;
    margin-bottom: 5px;
    color: #555;
    font-weight: 500;
}

input[type="text"],
input[type="number"] {
    width: 100%;
    padding: 10px 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 14px;
    transition: border-color 0.3s;
}

input[type="text"]:focus,
input[type="number"]:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 5px rgba(102, 126, 234, 0.3);
}

button {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 12px 25px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    transition: transform 0.2s, box-shadow 0.2s;
    width: 100%;
}

button:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

button:active {
    transform: translateY(0);
}

.delete-btn {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.update-btn {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

.table-section {
    margin-top: 30px;
}

.table-section h3 {
    color: #667eea;
    margin-bottom: 15px;
    font-size: 18px;
}

table {
    width: 100%;
    border-collapse: collapse;
    background: #f8f9fa;
    border-radius: 8px;
    overflow: hidden;
}

th {
    background: #667eea;
    color: white;
    padding: 15px;
    text-align: left;
    font-weight: 600;
}

td {
    padding: 12px 15px;
    border-bottom: 1px solid #dee2e6;
}

tr:hover {
    background: #e8eaf6;
}

.no-data {
    text-align: center;
    padding: 30px;
    color: #999;
}