@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@400;500;600;700&family=IBM+Plex+Serif:ital@0;1&display=swap');
:root { --ink: #16232a; --muted: #5b6b72; --rule: #d5dcdf; --accent: #22596b; --over: #b5462f; --under: #4c7d5a; --bg: #ffffff; --field: #f4f7f8; }
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--ink); }
body { font: 17px/1.55 'IBM Plex Sans', system-ui, sans-serif; }
main { max-width: 760px; margin: 0 auto; padding: 32px 16px 80px; }
h1 { font-size: 30px; line-height: 1.2; margin: 0 0 6px; font-weight: 700; }
h2 { font-size: 21px; margin: 0 0 4px; font-weight: 600; }
h3 { font-size: 17px; margin: 22px 0 6px; font-weight: 600; }
p { margin: 0 0 12px; }
.lead { color: var(--muted); margin-bottom: 28px; }
section { border-top: 1px solid var(--ink); padding: 22px 0 28px; }
.note { color: var(--muted); font-size: 15px; }
.big { font-size: 20px; font-weight: 600; }
svg { display: block; width: 100%; height: auto; margin: 10px 0 6px; font-family: 'IBM Plex Sans', sans-serif; }
table { width: 100%; border-collapse: collapse; font-size: 16px; margin: 8px 0 4px; }
th, td { text-align: left; padding: 8px 6px; border-bottom: 1px solid var(--rule); vertical-align: top; }
th { font-weight: 600; }
td.n { text-align: right; white-space: nowrap; font-variant-numeric: tabular-nums; }
ul.plain { padding-left: 20px; margin: 6px 0 0; }
ul.plain li { margin-bottom: 4px; }
.over { color: var(--over); font-weight: 600; } .under { color: var(--under); font-weight: 600; }
blockquote { font-family: 'IBM Plex Serif', Georgia, serif; font-style: italic; margin: 8px 0 16px; padding-left: 14px; border-left: 3px solid var(--accent); color: var(--ink); }
form fieldset { border: 0; padding: 0; margin: 0 0 26px; }
legend { font-weight: 600; font-size: 17px; padding: 0; margin-bottom: 6px; }
form .hint { color: var(--muted); font-size: 15px; margin: -2px 0 8px; }
textarea, input[type=text], input[type=password] { width: 100%; font: inherit; color: inherit; background: var(--field); border: 1px solid var(--rule); border-radius: 4px; padding: 10px 12px; }
textarea { min-height: 96px; resize: vertical; }
textarea:focus, input:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
label.opt { display: flex; gap: 10px; align-items: flex-start; padding: 6px 0; cursor: pointer; }
label.opt input { margin-top: 5px; accent-color: var(--accent); width: 18px; height: 18px; flex: none; }
button { font: inherit; font-weight: 600; background: var(--accent); color: #fff; border: 0; border-radius: 4px; padding: 12px 22px; cursor: pointer; }
button.quiet { background: none; color: var(--muted); padding: 0; font-weight: 400; text-decoration: underline; }
.savebar { position: sticky; bottom: 0; background: var(--bg); border-top: 1px solid var(--rule); padding: 12px 0; display: flex; gap: 16px; align-items: center; }
#status { color: var(--muted); font-size: 15px; }
.login { max-width: 360px; margin: 18vh auto 0; padding: 0 16px; }
.login label { display: block; font-weight: 600; margin-bottom: 6px; }
.login button { margin-top: 12px; width: 100%; }
.err { color: var(--over); margin-top: 10px; }
@media (max-width: 520px) { body { font-size: 16px; } h1 { font-size: 25px; } th, td { padding: 7px 4px; } }