:root {
  --brand: #00843d;
  --brand-dark: #006b31;
  --bg: #f5f6f4;
  --surface: #ffffff;
  --text: #1c211d;
  --muted: #5d665f;
  --line: #dde1dc;
  --focus: #1a73e8;
  --radius: 10px;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --brand: #2fb36a;
    --brand-dark: #4cc683;
    --bg: #121513;
    --surface: #1b1f1c;
    --text: #e8ece9;
    --muted: #a3ada6;
    --line: #2e3530;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
.wrap { width: 100%; max-width: 960px; margin: 0 auto; padding: 0 16px; }

.top { background: var(--brand); color: #fff; }
.top-inner { display: flex; align-items: center; min-height: 64px; }
.brand { color: inherit; text-decoration: none; display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; }
.brand-mark { font-weight: 800; letter-spacing: .08em; font-size: 20px; }
.brand-sub { font-size: 16px; opacity: .9; }

main.wrap { flex: 1; padding-top: 24px; padding-bottom: 40px; }

.filters {
  display: grid;
  grid-template-columns: 1fr 180px 220px;
  gap: 12px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
}
@media (max-width: 720px) {
  .filters { grid-template-columns: 1fr 1fr; }
  .field-q { grid-column: 1 / -1; }
}
.field { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.label { font-size: 13px; color: var(--muted); font-weight: 600; }
input, select {
  font: inherit;
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
  min-height: 44px;
}
input:focus, select:focus, a:focus-visible, button:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }

.status { color: var(--muted); margin: 16px 2px 8px; min-height: 1.5em; }
.notice {
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 4px solid var(--brand);
  border-radius: 8px;
  padding: 10px 14px;
  margin: 0 0 12px;
}
.linkbtn { background: none; border: 0; padding: 0; font: inherit; color: var(--brand-dark); text-decoration: underline; cursor: pointer; }

.results { display: flex; flex-direction: column; gap: 14px; }
.item {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.item-head { padding: 14px 16px 10px; border-bottom: 1px solid var(--line); }
.item-name { margin: 0; font-size: 18px; line-height: 1.3; }
.codes { margin-top: 4px; display: flex; flex-wrap: wrap; gap: 6px; }
.code { font: 13px/1.6 ui-monospace, SFMono-Regular, Consolas, monospace; color: var(--muted); background: var(--bg); border-radius: 4px; padding: 0 6px; }

.docs { list-style: none; margin: 0; padding: 0; }
.doc {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 4px 12px;
  align-items: center;
  padding: 12px 16px;
}
.doc + .doc { border-top: 1px solid var(--line); }
.doc-type { font-weight: 600; }
.doc-meta { color: var(--muted); font-size: 14px; display: flex; flex-wrap: wrap; gap: 4px 12px; }
.langs { display: inline-flex; gap: 4px; flex-wrap: wrap; }
.lang { font-size: 12px; font-weight: 700; border: 1px solid var(--line); border-radius: 4px; padding: 0 5px; color: var(--text); }
.lang.match { border-color: var(--brand); color: var(--brand-dark); }
.dl {
  grid-row: 1 / span 2;
  grid-column: 2;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--brand);
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  border-radius: 8px;
  padding: 10px 14px;
  min-height: 44px;
  white-space: nowrap;
}
.dl:hover { background: var(--brand-dark); }
.dl svg { width: 18px; height: 18px; }
@media (max-width: 480px) {
  .doc { grid-template-columns: 1fr; }
  .dl { grid-row: auto; grid-column: auto; justify-content: center; }
}

.empty { text-align: center; color: var(--muted); padding: 40px 16px; }
.foot { color: var(--muted); font-size: 14px; padding: 16px 0 24px; }