*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, Helvetica, sans-serif;
}

body{
    background-color: #f4f4f6;
    display: flex;
    justify-content: center;
    padding: 30px 15px;
}

.container {
    width: 100%;
    max-width: 650px;
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.table-card {
    background: #ffffff;
    padding: 10px;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
    text-align: center;
}

.table-card h2 {
    font-size: 20px;
    margin-bottom: 12px;
    color: #111;
    font-weight: bold;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
    text-align: left;
}

thead th {
    background-color: #0000ff;
    color: white;
    padding: 10px;
    text-align: center;
    font-size: 12px;
    font-weight: bold;
}

tbody tr:nth-child(odd){
    background-color: #efefef;
}

tbody tr:nth-child(even){
    background-color: #797171;
}

tbody td {
    padding: 10px;
    color: #333;
    border-bottom: 1px solid #fff;
}

.form-card {
    background: #ffffff;
    padding: 25px 30px;
    border-radius: 12px;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.12);
}

.form-card h3 {
    text-align: center;
    color: #1e3a60;
    font-size: 20px;
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    font-weight: bold;
    font-size: 13px;
    margin-bottom: 6px;
    color: #222;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 8px 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 13px;
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: #3498db;
}

.form-group textarea {
    resize: vertical;
}

.btn-submit {
    width: 100%;
    background-color: #3498db;
    color: white;
    border: none;
    padding: 10px;
    border-radius: 4px;
    font-weight: bold;
    font-size: 13px;
    cursor: pointer;
    margin-top: 10px;
    transition: background-color 0.2s;
}

.btn-submit:hover {
    background-color: #2980b9;
}