:root { --ink: #1b2330; --muted: #44506b; --accent: #0b4a99; --bg: #ffffff; --warn-bg: #fff3cd; --warn-ink: #4a3500; --line: #8793a8; --css-flag: 1; }
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 1rem/1.55 system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif; }
.banner { background: var(--warn-bg); color: var(--warn-ink); border-bottom: 3px solid #b58900; padding: .75rem 1rem; text-align: center; }
main { max-width: 40rem; margin: 0 auto; padding: 1rem 1rem 3rem; }
h1 { font-size: 1.5rem; line-height: 1.25; margin: .5rem 0 .75rem; }
h2 { font-size: 1.15rem; margin: 1.75rem 0 .5rem; }
button { font: inherit; font-weight: 600; min-height: 44px; min-width: 44px; padding: .5rem 1.1rem; border-radius: 8px; border: 2px solid var(--accent); background: var(--accent); color: #fff; cursor: pointer; }
button.secondary { background: #fff; color: var(--accent); }
button:focus-visible, a:focus-visible { outline: 3px solid #b3261e; outline-offset: 3px; }
.count-row { display: flex; flex-wrap: wrap; gap: .5rem; }
output { font-weight: 700; font-size: 1.25rem; }
.mark { display: block; margin: .5rem 0 1rem; }
table { border-collapse: collapse; width: 100%; }
th, td { text-align: left; border: 1px solid var(--line); padding: .45rem .6rem; vertical-align: top; overflow-wrap: anywhere; }
thead th { background: #eef2f8; }
dt { font-weight: 700; margin-top: .6rem; }
dd { margin: 0; overflow-wrap: anywhere; }
.small { color: var(--muted); font-size: .9rem; margin-top: 2rem; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }