/* Saxon ROR — one accent color, self-hosted IBM Plex, generous whitespace.
   Accent follows the sachsen.de style guide: Primärgrün #337E33,
   Dunkelgrün #00590B. https://www.styleguide.sachsen.de/die-farbwelt-von-sachsen-de.html
   Type: IBM Plex Sans/Mono (SIL OFL 1.1, see fonts/LICENSE.txt). */

@font-face {
  font-family: "IBM Plex Sans"; font-style: normal; font-weight: 400;
  font-display: swap; src: url("../fonts/IBMPlexSans-Regular.woff2") format("woff2");
}
@font-face {
  font-family: "IBM Plex Sans"; font-style: normal; font-weight: 500;
  font-display: swap; src: url("../fonts/IBMPlexSans-Medium.woff2") format("woff2");
}
@font-face {
  font-family: "IBM Plex Sans"; font-style: normal; font-weight: 600;
  font-display: swap; src: url("../fonts/IBMPlexSans-SemiBold.woff2") format("woff2");
}
@font-face {
  font-family: "IBM Plex Sans"; font-style: normal; font-weight: 700;
  font-display: swap; src: url("../fonts/IBMPlexSans-Bold.woff2") format("woff2");
}
@font-face {
  font-family: "IBM Plex Mono"; font-style: normal; font-weight: 400;
  font-display: swap; src: url("../fonts/IBMPlexMono-Regular.woff2") format("woff2");
}

:root {
  --accent: #337e33;
  --accent-dark: #00590b;
  --accent-soft: #ebf2eb;
  --bg: #ffffff;
  --bg-soft: #f6f6f6;      /* sachsen.de Footer grey */
  --border: #e2e2e2;       /* sachsen.de Grau 20 */
  --text: #313131;         /* sachsen.de Schrift */
  --text-soft: #666666;    /* sachsen.de Zitate */
  --radius: 10px;
  --maxw: 1080px;
  --font: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    Helvetica, Arial, "Noto Sans", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, "SF Mono", Menlo,
    Consolas, monospace;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.55;
  color: var(--text);
  background: var(--bg);
}

.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 1.25rem; }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3 { line-height: 1.25; font-weight: 600; }

.visually-hidden, .skip-link {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0);
  white-space: nowrap; border: 0;
}
.skip-link:focus {
  position: fixed; top: 0.5rem; left: 0.5rem;
  width: auto; height: auto; clip: auto;
  padding: 0.5rem 0.9rem; background: var(--accent); color: #fff;
  border-radius: var(--radius); z-index: 100;
}

/* Header */
.site-header {
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  position: sticky; top: 0; z-index: 10;
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; padding-top: 0.7rem; padding-bottom: 0.7rem;
}
.brand { display: flex; align-items: center; gap: 0.7rem; color: inherit; }
.brand:hover { text-decoration: none; }
.brand-mark {
  display: grid; place-items: center;
  width: 38px; height: 38px; border-radius: 9px;
  background: var(--accent); color: #fff; font-weight: 700; font-size: 0.95rem;
  letter-spacing: 0.02em;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-title { font-weight: 600; font-size: 1.05rem; }
.brand-sub { font-size: 0.78rem; color: var(--text-soft); }

.lang-toggle { display: inline-flex; border: 1px solid var(--border); border-radius: 999px; overflow: hidden; }
.lang-toggle button {
  border: 0; background: transparent; color: var(--text-soft);
  padding: 0.3rem 0.75rem; font: inherit; font-size: 0.82rem; cursor: pointer;
}
.lang-toggle button[aria-pressed="true"] { background: var(--accent); color: #fff; }
.lang-toggle button:not([aria-pressed="true"]):hover { background: var(--bg-soft); }

/* Intro + search */
main.wrap { padding-top: 2rem; padding-bottom: 3rem; min-height: 60vh; }
.intro { margin-bottom: 1.5rem; }
.intro h1 { margin: 0 0 0.4rem; font-size: 1.7rem; }
.lede { margin: 0; color: var(--text-soft); max-width: 46rem; }

.search-row { margin-bottom: 1.75rem; }
#q {
  width: 100%; font: inherit; font-size: 1.1rem;
  padding: 0.85rem 1rem; border: 2px solid var(--border);
  border-radius: var(--radius); background: var(--bg); color: var(--text);
}
#q:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }

/* Layout */
.layout { display: grid; grid-template-columns: 220px 1fr; gap: 2rem; align-items: start; }
@media (max-width: 720px) { .layout { grid-template-columns: 1fr; gap: 1.25rem; } }

.filters { position: sticky; top: 5rem; display: flex; flex-direction: column; gap: 1.25rem; }
@media (max-width: 720px) {
  .filters { position: static; background: var(--bg-soft); padding: 1rem; border-radius: var(--radius); }
}
.filter-group h2 { margin: 0 0 0.5rem; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-soft); }
.checkboxes { display: flex; flex-direction: column; gap: 0.3rem; }
.checkbox label { display: flex; align-items: center; gap: 0.1rem; cursor: pointer; font-size: 0.92rem; }
.checkbox input { accent-color: var(--accent); }
#filter-city { width: 100%; font: inherit; padding: 0.45rem 0.5rem; border: 1px solid var(--border); border-radius: 8px; background: var(--bg); color: var(--text); }
.linkish { background: none; border: 0; color: var(--accent); padding: 0; font: inherit; cursor: pointer; text-align: left; }
.linkish:hover { text-decoration: underline; }

/* Results */
.result-count { color: var(--text-soft); font-size: 0.9rem; margin: 0 0 1rem; }
.result-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 0.75rem; }
.result-row {
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 0.9rem 1rem; background: var(--bg);
  transition: border-color 0.15s;
}
.result-row:hover { border-color: var(--accent); }
.result-main { display: flex; flex-wrap: wrap; align-items: baseline; gap: 0.5rem 0.75rem; }
.result-name { font-weight: 600; font-size: 1.05rem; }
.result-meta { display: flex; flex-wrap: wrap; gap: 0.4rem 0.9rem; color: var(--text-soft); font-size: 0.88rem; margin-top: 0.25rem; }
.result-meta .acronym { font-weight: 600; color: var(--text); }
.result-id { display: flex; align-items: center; gap: 0.4rem; margin-top: 0.5rem; }
.ror-id { font-family: var(--mono); font-size: 0.82rem; color: var(--text-soft); }
.ror-id:hover { color: var(--accent); }
.ror-id.big { font-size: 0.95rem; }

/* Badges */
.badges { display: flex; flex-wrap: wrap; gap: 0.35rem; }
.badge {
  font-size: 0.72rem; font-weight: 600; padding: 0.12rem 0.5rem;
  border-radius: 999px; background: var(--accent-soft); color: var(--accent-dark);
  white-space: nowrap;
}
.status { font-size: 0.72rem; font-weight: 600; padding: 0.12rem 0.5rem; border-radius: 999px; }
.status-active { background: #e6eee7; color: #00590b; }   /* Dunkelgrün 10 / 100 */
.status-inactive { background: #f1f1f1; color: #6e6e6e; }  /* Grau 10 / 100 */
.status-withdrawn { background: #fef3ea; color: #b0001f; } /* Rot 10 / 100 */

/* Copy button */
.copy-btn {
  border: 1px solid var(--border); background: var(--bg); color: var(--text-soft);
  border-radius: 6px; width: 26px; height: 24px; cursor: pointer; font-size: 0.8rem;
  line-height: 1; display: inline-grid; place-items: center; padding: 0;
}
.copy-btn:hover { border-color: var(--accent); color: var(--accent); }
.copy-btn.copied { color: #00590b; border-color: #00590b; }

.empty { color: var(--text-soft); padding: 1.5rem 0; }
.loading { color: var(--text-soft); }

/* Detail view */
.breadcrumb { margin: 0 0 1rem; }
.detail-header { display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem 1rem; margin-bottom: 0.5rem; }
.detail-header h1 { margin: 0; font-size: 1.6rem; }
.detail-idrow { display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem; margin-bottom: 1.75rem; }
.chip {
  display: inline-flex; align-items: center; gap: 0.3rem;
  border: 1px solid var(--border); border-radius: 999px;
  padding: 0.22rem 0.7rem; font-size: 0.82rem; color: var(--accent);
}
.chip:hover { border-color: var(--accent); text-decoration: none; background: var(--accent-soft); }

/* Masonry via CSS multicol: cards pack by height with no row-alignment gaps,
   so one tall card no longer leaves its neighbours short. Reading order is
   column-major (down column 1, then column 2). */
.detail-grid { columns: 2; column-gap: 1.25rem; }
@media (max-width: 720px) { .detail-grid { columns: 1; } }
.detail-grid .card { break-inside: avoid; margin-bottom: 1.25rem; }
.card { border: 1px solid var(--border); border-radius: var(--radius); padding: 1.1rem 1.25rem; background: var(--bg); }
.card h2 { margin: 0 0 0.85rem; font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-soft); }

.kv { display: grid; grid-template-columns: 8rem 1fr; gap: 0.4rem 0.85rem; padding: 0.28rem 0; align-items: start; }
.kv .k { color: var(--text-soft); font-size: 0.88rem; }
.kv .v { overflow-wrap: anywhere; }
/* Long unbreakable strings (URLs, ids) must not spill past card edges. */
.card a, .kv .v a, .name-value { overflow-wrap: anywhere; min-width: 0; }
@media (max-width: 480px) { .kv { grid-template-columns: 1fr; gap: 0.1rem; } }

.name-values { display: flex; flex-direction: column; gap: 0.3rem; }
.name-value { display: inline-flex; align-items: baseline; gap: 0.4rem; }
.lang-tag {
  font-family: var(--mono); font-size: 0.68rem; text-transform: uppercase;
  color: var(--text-soft); border: 1px solid var(--border); border-radius: 4px;
  padding: 0 0.25rem;
}

.rel-line { display: flex; align-items: baseline; gap: 0.5rem; padding: 0.22rem 0; }
.rel-type {
  flex: none; font-size: 0.68rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.03em; color: var(--text-soft); min-width: 5.5rem;
}
.ext-mark { color: var(--text-soft); font-size: 0.8rem; }

/* Related GitHub issues */
.issue-line { display: flex; align-items: baseline; gap: 0.5rem; padding: 0.22rem 0; }
.issue-state {
  flex: none; font-size: 0.62rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.03em; border-radius: 999px; padding: 0.05rem 0.45rem;
  border: 1px solid var(--border); color: var(--text-soft);
}
.issue-state.issue-open { color: var(--accent-dark); border-color: var(--accent); background: var(--accent-soft); }
.issue-line.issue-closed .issue-title { color: var(--text-soft); text-decoration: line-through; }
.issue-title { overflow-wrap: anywhere; }
.issue-new { margin-top: 0.6rem; font-size: 0.88rem; }
.issue-new-label, .issue-new-sep { color: var(--text-soft); }

/* OpenAlex panel — visually distinct (derived data) */
.openalex-panel {
  margin-top: 1.75rem; padding: 1.25rem 1.4rem;
  border: 1px dashed var(--accent); border-radius: var(--radius);
  background: var(--accent-soft);
}
.openalex-panel h2 { margin: 0 0 0.2rem; font-size: 1.05rem; color: var(--accent-dark); }
.openalex-panel h3 { margin: 1.2rem 0 0.5rem; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-soft); }
.derived-note { margin: 0 0 1rem; font-size: 0.82rem; color: var(--text-soft); font-style: italic; }
.oa-stats { display: flex; gap: 2rem; flex-wrap: wrap; }
.stat { display: flex; flex-direction: column; }
.stat-value { font-size: 1.5rem; font-weight: 700; color: var(--accent-dark); }
.stat-label { font-size: 0.78rem; color: var(--text-soft); text-transform: uppercase; letter-spacing: 0.04em; }

.sparkline { width: 100%; max-width: 340px; height: auto; display: block; }
.spark-bar { fill: var(--accent); }
.spark-label { fill: var(--text-soft); font-size: 8px; font-family: var(--font); }

.topic-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 0.35rem; }
.topic-list li { display: flex; flex-wrap: wrap; align-items: baseline; gap: 0.5rem; }
.topic-name { font-weight: 500; }
.topic-field { font-size: 0.78rem; color: var(--text-soft); }
.alt-names { margin: 0; color: var(--text); font-size: 0.92rem; }

/* Footer */
.site-footer { border-top: 1px solid var(--border); background: var(--bg-soft); padding: 1.75rem 0; margin-top: 2rem; }
.site-footer p { margin: 0 0 0.5rem; font-size: 0.85rem; color: var(--text-soft); }
#footer-meta { font-weight: 600; color: var(--text); font-family: var(--mono); font-size: 0.82rem; }
.disclaimer { max-width: 48rem; }
.footer-links a { color: var(--accent); }