/* General Styles */
body {
    font-family: 'Roboto', Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f5f6fa;
    color: #2c3e50;
}

.container {
    max-width: 1200px;
    margin: 20px auto;
    padding: 20px;
    background: #ffffff;
    box-shadow: 0px 4px 10px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
}

/* Typography */
h1, h2, h3 {
    color: #34495e;
    text-align: center;
}

a {
    text-decoration: none;
    color: #3498db;
}

/* Table Styles */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}

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

table th {
    background: #2c3e50;
    color: #fff;
}

table tr:nth-child(even) {
    background: #f2f2f2;
}

table tr:hover {
    background: #f1c40f;
    color: #fff;
}

/* Buttons */
button, .btn {
    display: inline-block;
    padding: 10px 20px;
    background: #3498db;
    color: #fff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: 0.3s ease;
    font-size: 14px;
    text-align: center;
}

button:hover, .btn:hover {
    background: #2980b9;
}

.btn-danger {
    background: #e74c3c;
}

.btn-danger:hover {
    background: #c0392b;
}

/* Forms */
form {
    display: flex;
    flex-direction: column;
    gap: 15px;
    max-width: 400px;
    margin: 0 auto;
}

input, select {
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 14px;
}

input:focus {
    border-color: #3498db;
    outline: none;
}

/* Responsive */
@media screen and (max-width: 768px) {
    table {
        font-size: 12px;
    }

    button, .btn {
        font-size: 12px;
        padding: 8px 15px;
    }

    .container {
        padding: 10px;
    }
}