body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    background: #f6f6f6;
}

.topbar {
    background: #111;
    color: #fff;
    padding: 10px 12px;
    display: flex;
    align-items: center;
    gap: 16px;
}

.brand {
    display: flex;
    align-items: center;
}

.logo {
    height: 40px;
    width: auto;
    display: block;
}

.tabs {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

    .tabs a {
        color: #ddd;
        text-decoration: none;
        padding: 8px 10px;
        border-radius: 6px;
        background: rgba(255,255,255,0.06);
    }

        .tabs a.active {
            color: #fff;
            background: rgba(255,255,255,0.18);
        }

.page {
    padding: 16px;
}

.card {
    background: #fff;
    border-radius: 10px;
    padding: 14px;
    box-shadow: 0 1px 8px rgba(0,0,0,0.06);
}

.btn {
    display: inline-block;
    padding: 8px 12px;
    border-radius: 8px;
    background: #222;
    color: #fff;
    text-decoration: none;
}

.btn2 {
    display: inline-block;
    padding: 8px 12px;
    border-radius: 8px;
    background: #eee;
    color: #111;
    text-decoration: none;
}

table.grid {
    width: 100%;
    border-collapse: collapse;
}

    table.grid th, table.grid td {
        padding: 10px;
        border-bottom: 1px solid #eee;
        text-align: left;
        vertical-align: middle;
    }