:root {
  color-scheme: light;
  font-family: Inter, system-ui, -apple-system, sans-serif;
  color: #142630;
  background: #f4f7f8;
  line-height: 1.55;
}
* { box-sizing: border-box; }
body { margin: 0; }
a { color: #125747; }
header { background: #102f2b; color: #fff; }
.wrap { width: min(100% - 2rem, 44rem); margin-inline: auto; }
.top { min-height: 4rem; display: flex; align-items: center; gap: 1rem; justify-content: space-between; }
.top a { color: inherit; font-weight: 750; text-decoration: none; }
.top a span { color: #a3d9cb; margin-inline: .2rem; }
.demo { color: #d1ede6; font-size: .82rem; }
main { padding-block: 2.25rem; }
h1, h2 { line-height: 1.2; margin-top: 0; }
h1 { font-size: clamp(1.7rem, 6vw, 2.4rem); letter-spacing: -.035em; margin-bottom: .55rem; }
h2 { font-size: 1.18rem; margin-bottom: 1rem; }
.intro { margin: 0 0 1.35rem; color: #40555c; }
.cases { list-style: none; padding: 0; display: grid; gap: .65rem; }
.card, .case { background: #fff; border: 1px solid #d6e2e0; border-radius: .8rem; }
.case { display: flex; align-items: center; flex-wrap: wrap; gap: .55rem; padding: 1rem; color: inherit; text-decoration: none; }
.case:hover { border-color: #397e6c; }
.case div { flex: 1 1 12rem; min-width: 0; }
.ref { display: block; color: #4c6268; font-size: .84rem; overflow-wrap: anywhere; }
.open { color: #125747; font-weight: 700; }
.badge, .flag { padding: .2rem .5rem; border-radius: .35rem; font-size: .82rem; }
.badge { background: #e4f2ed; color: #125747; }
.flag { background: #fff1d7; color: #664209; }
.card { margin-block: 1rem; padding: clamp(1rem, 4vw, 1.5rem); }
.back { display: inline-block; margin-bottom: 1.15rem; }
.message { white-space: pre-wrap; overflow-wrap: anywhere; margin-bottom: 0; }
label { display: block; margin-block: .85rem .3rem; font-weight: 700; }
textarea, select, input:is([type="text"], [type="password"]) { display: block; width: 100%; padding: .6rem .75rem; border: 1px solid #879c9b; border-radius: .4rem; color: inherit; background: #fff; font: inherit; }
textarea { resize: vertical; }
button, .button { display: inline-block; margin-top: 1.05rem; padding: .65rem 1rem; border: 0; border-radius: .45rem; background: #145d4d; color: white; font: inherit; font-weight: 750; text-decoration: none; cursor: pointer; }
button:hover, .button:hover { background: #10493d; }
:focus-visible { outline: 3px solid #277461; outline-offset: 3px; }
header :focus-visible { outline-color: #a3d9cb; }
.notice { padding: .7rem .9rem; border-left: .25rem solid #28755d; background: #e4f2ed; }
.error { border-color: #9e352d; background: #fcebe8; }
.current { color: #40555c; }