/* Always light, whatever the visitor's system setting. */
:root {
  color-scheme: light;
  --bg: #ffffff; --surface: #ffffff; --ink: #142020; --muted: #5a6b6a; --line: #d9e1e0;
  --accent: #0b6e66; --accent-ink: #ffffff; --accent-soft: #dcefec;
  --ok: #1c6b42; --ok-soft: #ddeee3; --warn: #7a5200; --warn-soft: #f6ebd6;
  --info: #2b4f8a; --info-soft: #e2eaf7;
  --radius: 10px;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); line-height: 1.55; font-size: 16px; }
a { color: var(--accent); }
h1 { font-size: 1.6rem; line-height: 1.2; margin: 0 0 .4rem; }
h2 { font-size: 1.15rem; margin: 0; }
.wrap { max-width: 920px; margin: 0 auto; padding: 0 16px; }
.muted { color: var(--muted); }
.small { font-size: .875rem; }

.top { background: var(--surface); border-bottom: 1px solid var(--line); }
.top-in { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; min-height: 56px; }
.brand { font-weight: 700; text-decoration: none; color: var(--ink); }
.nav { margin-left: auto; display: flex; gap: 18px; align-items: center; }
.nav a { text-decoration: none; color: var(--ink); }
.nav form { margin: 0; }
main { padding-top: 28px; padding-bottom: 40px; }
.foot { color: var(--muted); font-size: .8rem; padding-bottom: 32px; }

.button {
  display: inline-block; background: var(--accent); color: var(--accent-ink); border: 0;
  border-radius: 8px; padding: 10px 16px; font: inherit; font-weight: 600; text-decoration: none; cursor: pointer;
}
.button.secondary { background: var(--accent-soft); color: var(--ink); }
.button[aria-disabled="true"] { opacity: .45; cursor: not-allowed; }
.link { background: none; border: 0; padding: 0; font: inherit; color: var(--ink); cursor: pointer; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.hero { text-align: center; padding: 48px 0; }
.hero p { max-width: 52ch; margin: 0 auto 20px; }
.heading-row { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-bottom: 20px; }
.back { margin: 0 0 12px; }

.studies { list-style: none; padding: 0; margin: 0 0 16px; display: grid; gap: 10px; }
.studies a {
  display: grid; grid-template-columns: 1fr auto; gap: 2px 12px; align-items: center;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 14px 16px; text-decoration: none; color: var(--ink);
}
.studies a:hover { border-color: var(--accent); }
.studies .desc { font-weight: 600; }
.studies .date { color: var(--muted); font-size: .875rem; grid-row: 2; }
.studies .badge { grid-column: 2; grid-row: 1 / span 2; }

.badge { display: inline-block; border-radius: 99px; padding: 3px 10px; font-size: .8rem; font-weight: 600; white-space: nowrap; }
.badge-received { background: var(--info-soft); color: var(--info); }
.badge-processing { background: var(--info-soft); color: var(--info); }
.badge-ready { background: var(--ok-soft); color: var(--ok); }
.badge-review { background: var(--warn-soft); color: var(--warn); }

.empty, .card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; margin-bottom: 16px; }
.card-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 14px; }
.pdf { width: 100%; height: 75vh; min-height: 420px; border: 1px solid var(--line); border-radius: 6px; background: #fff; }

.sr, .sr ul { list-style: none; margin: 0; padding: 0; }
.sr ul { padding-left: 18px; border-left: 2px solid var(--line); margin: 4px 0 8px 4px; }
.sr li { padding: 3px 0; }
.sr .h { font-weight: 600; }
.sr .k { color: var(--muted); }
.sr .k::after { content: ":"; }
.sr .v { font-variant-numeric: tabular-nums; font-weight: 500; }

.check { display: flex; gap: 10px; align-items: flex-start; margin-bottom: 18px; }
.check input { margin-top: 5px; width: 18px; height: 18px; }
.pickers { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 16px; }
progress { width: 100%; height: 10px; accent-color: var(--accent); }
#result:empty { display: none; }
#result { font-weight: 500; }