:root {
    color-scheme: light;
    --bg: #f4f6f8;
    --card: #ffffff;
    --text: #17202a;
    --muted: #5d6d7e;
    --border: #d6dde5;
    --primary: #1f6feb;
    --danger: #b42318;
    --success: #067647;
}

* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: var(--bg);
    color: var(--text);
}
header, main { max-width: 1180px; margin: 0 auto; padding: 24px; }
header h1 { margin: 0 0 8px; }
header p { margin: 0; color: var(--muted); }
.grid { display: grid; grid-template-columns: minmax(320px, 1fr) minmax(320px, 1fr); gap: 18px; }
.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 18px;
    margin-bottom: 18px;
    box-shadow: 0 8px 24px rgba(20, 30, 40, 0.04);
}
.card h2 { margin-top: 0; }
label { display: block; font-weight: 650; margin-bottom: 14px; }
input, textarea {
    display: block;
    width: 100%;
    margin-top: 6px;
    padding: 11px 12px;
    border: 1px solid var(--border);
    border-radius: 10px;
    font: inherit;
}
.two-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
button {
    border: 0;
    border-radius: 10px;
    padding: 11px 16px;
    background: var(--primary);
    color: white;
    font-weight: 700;
    cursor: pointer;
}
button.secondary { background: #6b7280; padding: 8px 10px; }
.notice { padding: 12px 14px; border-radius: 10px; margin-bottom: 16px; }
.notice.success { background: #ecfdf3; color: var(--success); border: 1px solid #abefc6; }
.notice.error { background: #fef3f2; color: var(--danger); border: 1px solid #fecdca; }
.status-list { display: grid; grid-template-columns: 1fr; gap: 5px; }
.status-list dt { font-weight: 750; color: var(--muted); margin-top: 8px; }
.status-list dd { margin: 0 0 4px; font-size: 1.05rem; }
.warnings { color: var(--danger); font-weight: 650; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 10px 8px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; }
th { color: var(--muted); font-size: 0.92rem; }
.disclaimer { color: var(--muted); margin-bottom: 40px; }
@media (max-width: 780px) {
    header, main { padding: 16px; }
    .grid, .two-cols { grid-template-columns: 1fr; }
}
.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    margin-top: 14px;
    padding: 10px 12px;
    border: 1px solid var(--border);
    background: var(--card);
    border-radius: 12px;
}
.topbar a {
    color: var(--primary);
    font-weight: 700;
    text-decoration: none;
}
.login-main { max-width: 560px; }
.login-card { margin-top: 10px; }
.muted { color: var(--muted); }
.small-text { font-size: 0.92rem; }