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

body {
    font-family: Arial, Helvetica, sans-serif;
    background-color: #f2f4f8;
    padding: 30px;
}

h1 {
    text-align: center;
    margin-bottom: 25px;
    color: #333;
}

form {
    background-color: #ffffff;
    max-width: 800px;
    margin: 0 auto 30px auto;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
}

h3 {
    margin-bottom: 15px;
    color: #444;
}

input, select {
    width: 48%;
    padding: 10px;
    margin: 8px 1%;
    border: 1px solid #ccc;
    border-radius: 6px;
    font-size: 14px;
}

input:focus, select:focus {
    border-color: #4a90e2;
    outline: none;
}

form button {
    background-color: #4a90e2;
    color: white;
    padding: 10px 18px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
}

form button:hover {
    background-color: #357abd;
}

table {
    width: 90%;
    margin: auto;
    border-collapse: collapse;
    background: #ffffff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
}

thead {
    background-color: #4a90e2;
    color: white;
}

th, td {
    padding: 12px;
    text-align: center;
}

tr:nth-child(even) {
    background-color: #f7f9fc;
}

button {
    padding: 6px 10px;
    border-radius: 5px;
    border: none;
    cursor: pointer;
    font-size: 13px;
}

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

.view-btn:hover {
    background-color: #1e874b;
}

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

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

@media (max-width: 768px) {
    input, select {
        width: 100%;
        margin: 8px 0;
    }
}