* {
    box-sizing: border-box;
    font-family: Arial, Helvetica, sans-serif;
}

body {
    background: #0d1117;
    color: #e6edf3;
    margin: 0;
    padding: 0;
}

a {
    color: #58a6ff;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

.container {
    max-width: 900px;
    margin: 40px auto;
    padding: 30px;
    background: #161b22;
    border-radius: 10px;
    border: 1px solid #30363d;
}

h1, h2, h3 {
    margin-top: 0;
    color: #58a6ff;
}

label {
    display: block;
    margin-top: 15px;
    font-weight: bold;
}

input {
    width: 100%;
    padding: 12px;
    margin-top: 6px;
    background: #0d1117;
    border: 1px solid #30363d;
    border-radius: 6px;
    color: #e6edf3;
}

input:focus {
    outline: none;
    border-color: #58a6ff;
    box-shadow: 0 0 5px #58a6ff66;
}

button {
    margin-top: 20px;
    padding: 12px 18px;
    border: none;
    border-radius: 6px;
    background: #238636;
    color: #fff;
    font-size: 15px;
    cursor: pointer;
}

button:hover {
    background: #2ea043;
}

button.danger {
    background: #da3633;
}

button.danger:hover {
    background: #f85149;
}

.topbar {
    background: #161b22;
    padding: 15px 25px;
    border-bottom: 1px solid #30363d;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand {
    font-size: 20px;
    font-weight: bold;
    color: #58a6ff;
}

.table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

.table th,
.table td {
    padding: 12px;
    border-bottom: 1px solid #30363d;
    text-align: left;
}

.table th {
    background: #0d1117;
    color: #8b949e;
}

.table tr:hover {
    background: #0d1117;
}

.badge {
    display: inline-block;
    padding: 4px 8px;
    border-radius: 6px;
    font-size: 12px;
}

.badge.ok {
    background: #238636;
}

.badge.warn {
    background: #9e6a03;
}

.badge.err {
    background: #da3633;
}

.nav-links a {
    margin-right: 15px;
}

.footer {
    text-align: center;
    margin-top: 30px;
    color: #8b949e;
    font-size: 13px;
}