body.dark {
    background: #0e1117;
    color: #e6edf3;
    font-family: system-ui, -apple-system, BlinkMacSystemFont;
    margin: 0;
}

.auth-container {
    max-width: 420px;
    margin: 120px auto;
    text-align: center;
}

.auth-box input {
    width: 100%;
    padding: 12px;
    margin: 10px 0;
    background: #161b22;
    border: 1px solid #30363d;
    color: #fff;
}

.auth-box button {
    width: 100%;
    padding: 12px;
    background: #238636;
    border: none;
    color: #fff;
    font-weight: bold;
    cursor: pointer;
}

.admin-header {
    padding: 20px;
    border-bottom: 1px solid #30363d;
}

.admin-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
    padding: 20px;
}

.card {
    background: #161b22;
    padding: 20px;
    border-radius: 8px;
}