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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: #121212;
    color: #e0e0e0;
    padding: 20px;
}

h1, h2 {
    margin-bottom: 15px;
    color: #00aaff;
}

.container {
    max-width: 850px;
    margin: auto;
    background: #1f1f1f;
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 170, 255, 0.2);
}

form {
    display: flex;
    flex-direction: column;
}

input, select {
    margin-bottom: 15px;
    padding: 12px;
    border: 1px solid #333;
    border-radius: 8px;
    background: #222;
    color: #eee;
    transition: border-color 0.3s ease, background 0.3s ease;
}

input:focus, select:focus {
    border-color: #00aaff;
    background: #2a2a2a;
    outline: none;
}

button {
    padding: 12px 20px;
    background: #00aaff;
    border: none;
    color: white;
    border-radius: 8px;
    cursor: pointer;
    font-size: 16px;
    transition: background 0.3s ease;
}

button:hover {
    background: #0088cc;
}

a {
    text-decoration: none;
    color: #00aaff;
    margin-right: 10px;
}

a:hover {
    text-decoration: underline;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
    background: #1f1f1f;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 170, 255, 0.1);
}

th, td {
    padding: 14px;
    text-align: left;
    border-bottom: 1px solid #333;
}

th {
    background: #00aaff;
    color: white;
}

td {
    color: #ddd;
}

@media (max-width: 600px) {
    .container {
        padding: 15px;
    }
    table, thead, tbody, th, td, tr {
        display: block;
    }
    th {
        position: sticky;
        top: 0;
    }
    td {
        border: none;
        position: relative;
        padding-left: 50%;
    }
    td::before {
        position: absolute;
        top: 14px;
        left: 10px;
        width: 45%;
        white-space: nowrap;
        font-weight: bold;
        content: attr(data-label);
    }
}