:root {
    color-scheme: light;
    --ink: #17202a;
    --muted: #52606d;
    --line: #d9e2ec;
    --surface: #ffffff;
    --page: #f4f7fa;
    --brand: #173f6b;
    --brand-dark: #0d2e50;
    --ok: #1f6f43;
    --bad: #a12622;
    --warning: #8a5a00;
}
* { box-sizing: border-box; }
html { font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; color: var(--ink); background: var(--page); }
body { margin: 0; line-height: 1.55; }
a { color: var(--brand); }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible { outline: 3px solid #f0b429; outline-offset: 2px; }
.wrap { width: min(1100px, calc(100% - 2rem)); margin-inline: auto; }
.site-header { background: var(--brand); color: #fff; padding: 2.5rem 0; }
.site-header h1 { margin: .15rem 0; font-size: clamp(2rem, 5vw, 3.25rem); }
.site-header p { margin: 0; }
.eyebrow { text-transform: uppercase; letter-spacing: .08em; font-weight: 700; font-size: .85rem; }
.main-content { padding-block: 2rem 4rem; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: .75rem; padding: clamp(1.25rem, 3vw, 2rem); box-shadow: 0 4px 18px rgb(15 23 42 / 7%); }
.status-warning { border-left: .4rem solid var(--warning); }
.button { display: inline-block; margin: .25rem .4rem .25rem 0; background: var(--brand); color: #fff; text-decoration: none; font-weight: 700; padding: .72rem 1rem; border-radius: .4rem; border: 2px solid var(--brand); }
.button:hover { background: var(--brand-dark); border-color: var(--brand-dark); }
.button-secondary { background: #fff; color: var(--brand); }
.status-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 1rem; margin: 1.25rem 0; }
.status-grid div { border: 1px solid var(--line); border-radius: .5rem; padding: 1rem; }
dt { font-size: .8rem; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); font-weight: 700; }
dd { margin: .25rem 0 0; font-weight: 700; }
.ok { color: var(--ok); }
.bad { color: var(--bad); }
.site-footer { border-top: 1px solid var(--line); padding: 1.25rem 0; color: var(--muted); font-size: .9rem; }
@media (max-width: 560px) { .button { display: block; text-align: center; margin-right: 0; } }