* { box-sizing: border-box; }

body {
    margin: 0;
    padding: 2rem 1rem;
    background: #f4f5f7;
    color: #1c1e21;
    font-family: -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
    display: flex;
    justify-content: center;
}

.card {
    background: #ffffff;
    border-radius: 10px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    padding: 2rem;
    max-width: 720px;
    width: 100%;
}

h1 { margin-top: 0; font-size: 1.5rem; }
h2 { font-size: 1.05rem; margin-top: 2rem; color: #444; }

.subtitle { color: #666; margin-top: -0.5rem; }

.banner {
    padding: 0.75rem 1rem;
    border-radius: 6px;
    margin: 1rem 0;
    font-size: 0.95rem;
}
.banner-success { background: #e6f4ea; color: #1e7e34; }
.banner-neutral { background: #eef0f2; color: #444; }
.banner-info { background: #e8f0fe; color: #1a56db; }
.banner-error { background: #fdecea; color: #c0392b; }

.actions { display: flex; gap: 0.75rem; margin: 1rem 0; flex-wrap: wrap; }

.btn {
    display: inline-block;
    padding: 0.55rem 1.1rem;
    border-radius: 6px;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
}
.btn-primary { background: #1a56db; color: #fff; }
.btn-secondary { background: #eef0f2; color: #1c1e21; }

.config-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
    margin-top: 0.5rem;
}
.config-table th, .config-table td {
    text-align: left;
    padding: 0.5rem 0.6rem;
    border-bottom: 1px solid #eee;
    word-break: break-all;
}
.config-table th {
    width: 40%;
    color: #666;
    font-weight: 600;
}