:root {
  --bg: #f6f7f9; --panel: #ffffff; --ink: #16181d; --ink-2: #4a505c; --ink-3: #7c8391;
  --line: #e4e7ec; --line-2: #eef0f3; --accent: #2456d6; --accent-soft: #e9efff;
  --alio: #0f766e; --alio-soft: #e3f4f1; --ce: #b45309; --ce-soft: #fcf0e1;
  --up: #c2410c; --down: #1d4ed8; --mark: #fff1a8;
  --radius: 10px; --shadow: 0 1px 2px rgba(16,24,40,.05);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1115; --panel: #171a20; --ink: #e8eaee; --ink-2: #b3b8c3; --ink-3: #858c99;
    --line: #2a2f38; --line-2: #22262e; --accent: #7ea2ff; --accent-soft: #1d2640;
    --alio: #5eead4; --alio-soft: #12302c; --ce: #fbbf62; --ce-soft: #33260f;
    --up: #fb923c; --down: #7ea2ff; --mark: #5b4d00;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--bg); color: var(--ink);
  font: 15px/1.55 "Pretendard Variable", Pretendard, -apple-system, "Malgun Gothic", sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: 1180px; margin: 0 auto; padding: 0 20px; }
mark { background: var(--mark); color: inherit; padding: 0 1px; border-radius: 2px; }
.num { font-variant-numeric: tabular-nums; text-align: right; white-space: nowrap; }
.muted { color: var(--ink-3); }
.small { font-size: 13px; }

/* header */
.top { background: var(--panel); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 10; }
.top-inner { display: flex; align-items: center; gap: 20px; height: 60px; }
.brand { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 17px; color: var(--ink); white-space: nowrap; }
.brand:hover { text-decoration: none; }
.top-search { flex: 1; max-width: 420px; }
.top-search input, .search-hero input {
  width: 100%; border: 1px solid var(--line); background: var(--bg); color: var(--ink);
  border-radius: 8px; padding: 8px 12px; font: inherit; outline: none;
}
.top-search input:focus, .search-hero input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.tabs { display: flex; gap: 4px; margin-left: auto; }
.tabs a { color: var(--ink-2); padding: 7px 12px; border-radius: 7px; font-weight: 500; white-space: nowrap; }
.tabs a:hover { background: var(--line-2); text-decoration: none; }
.tabs a.on { background: var(--accent-soft); color: var(--accent); }

main { padding: 28px 20px 80px; }
h1 { font-size: 24px; margin: 0 0 6px; letter-spacing: -.01em; }
h2 { font-size: 17px; margin: 0 0 12px; }
h3 { font-size: 15px; margin: 0 0 8px; }

/* hero */
.search-hero { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 28px; margin-bottom: 22px; box-shadow: var(--shadow); }
.search-hero form { display: flex; gap: 8px; margin-top: 14px; }
.search-hero input { font-size: 17px; padding: 12px 16px; }
.btn { border: 1px solid var(--line); background: var(--panel); color: var(--ink); border-radius: 8px; padding: 8px 14px; font: inherit; font-weight: 600; cursor: pointer; white-space: nowrap; }
.btn:hover { border-color: var(--ink-3); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
@media (prefers-color-scheme: dark) { .btn.primary { color: #0f1115; } }
.stats { display: flex; gap: 22px; flex-wrap: wrap; margin-top: 16px; color: var(--ink-2); font-size: 14px; }
.stats b { color: var(--ink); font-size: 16px; }

/* layout */
.cols { display: grid; grid-template-columns: 230px 1fr; gap: 22px; align-items: start; }
@media (max-width: 860px) { .cols { grid-template-columns: 1fr; } .tabs { display: none; } }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.pad { padding: 18px; }

/* facets */
.facet { padding: 14px 16px; border-bottom: 1px solid var(--line-2); }
.facet:last-child { border-bottom: 0; }
.facet h4 { margin: 0 0 8px; font-size: 12px; color: var(--ink-3); font-weight: 600; letter-spacing: .02em; }
.facet a { display: flex; justify-content: space-between; gap: 8px; color: var(--ink-2); padding: 3px 6px; margin: 0 -6px; border-radius: 5px; font-size: 14px; }
.facet a:hover { background: var(--line-2); text-decoration: none; }
.facet a.on { background: var(--accent-soft); color: var(--accent); font-weight: 600; }
.facet a span:last-child { color: var(--ink-3); font-variant-numeric: tabular-nums; }

/* badges */
.badge { display: inline-block; font-size: 12px; font-weight: 600; padding: 1px 7px; border-radius: 5px; background: var(--line-2); color: var(--ink-2); white-space: nowrap; }
.badge.alio { background: var(--alio-soft); color: var(--alio); }
.badge.cleaneye { background: var(--ce-soft); color: var(--ce); }

/* results */
.result-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; gap: 12px; flex-wrap: wrap; }
.chips { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 14px; }
.chip { display: inline-flex; align-items: center; gap: 6px; border: 1px solid var(--line); background: var(--panel); border-radius: 999px; padding: 4px 12px; font-size: 14px; color: var(--ink); }
.chip:hover { border-color: var(--accent); text-decoration: none; }
.chip .x { color: var(--ink-3); }
.result { padding: 16px 18px; border-bottom: 1px solid var(--line-2); }
.result:last-child { border-bottom: 0; }
.result .meta { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; font-size: 13px; color: var(--ink-3); margin-bottom: 4px; }
.result .title { font-size: 16px; font-weight: 600; color: var(--ink); cursor: pointer; }
.result .title:hover { color: var(--accent); }
.result .snip { color: var(--ink-2); font-size: 14px; margin-top: 4px; }
.result .files { font-size: 13px; color: var(--ink-3); margin-top: 6px; }
.pager { display: flex; gap: 6px; justify-content: center; padding: 16px; }
.pager a, .pager span { padding: 5px 11px; border-radius: 6px; border: 1px solid var(--line); color: var(--ink-2); font-size: 14px; }
.pager span.on { background: var(--accent); color: #fff; border-color: var(--accent); }
.empty { padding: 48px 20px; text-align: center; color: var(--ink-3); }

/* tables */
table { border-collapse: collapse; width: 100%; font-size: 14px; }
th, td { padding: 8px 12px; border-bottom: 1px solid var(--line-2); text-align: left; vertical-align: top; }
th { font-size: 12px; color: var(--ink-3); font-weight: 600; background: var(--bg); position: sticky; top: 0; }
tbody tr:hover { background: var(--bg); }
.table-wrap { overflow-x: auto; }
td.bar { width: 28%; }
.barfill { height: 8px; border-radius: 4px; background: var(--accent); opacity: .75; }
.delta.up { color: var(--up); } .delta.down { color: var(--down); }

/* institution */
.inst-head { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; margin-bottom: 20px; }
.inst-head .badges { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 6px; }
.kv { display: grid; grid-template-columns: 110px 1fr; gap: 4px 12px; font-size: 14px; }
.kv dt { color: var(--ink-3); } .kv dd { margin: 0; }
.section { margin-bottom: 22px; }
.metric-name { cursor: pointer; }
.metric-name:hover { color: var(--accent); }

/* filters row */
.filters { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-bottom: 16px; }
select, .filters input { border: 1px solid var(--line); background: var(--panel); color: var(--ink); border-radius: 8px; padding: 7px 10px; font: inherit; font-size: 14px; max-width: 100%; }

/* chart */
.chart svg { width: 100%; height: auto; display: block; }
.chart .grid { stroke: var(--line-2); }
.chart .axis { fill: var(--ink-3); font-size: 11px; }
.legend { display: flex; gap: 14px; flex-wrap: wrap; font-size: 13px; margin-top: 8px; }
.legend i { display: inline-block; width: 10px; height: 10px; border-radius: 2px; margin-right: 5px; vertical-align: -1px; }

/* dialog */
dialog { border: 0; border-radius: 14px; padding: 0; max-width: 760px; width: calc(100% - 32px); background: var(--panel); color: var(--ink); box-shadow: 0 20px 60px rgba(0,0,0,.25); }
dialog::backdrop { background: rgba(10,12,16,.45); }
.doc { padding: 24px 26px; }
.doc h2 { font-size: 19px; margin: 6px 0 12px; }
.doc .body { white-space: pre-wrap; font-size: 14.5px; color: var(--ink-2); background: var(--bg); border-radius: 8px; padding: 14px; max-height: 50vh; overflow: auto; }
.doc .close { float: right; }
.notice { background: var(--ce-soft); color: var(--ink); border-radius: 8px; padding: 10px 14px; font-size: 14px; margin-bottom: 16px; }
details.panel > summary { cursor: pointer; list-style: none; display: flex; gap: 10px; align-items: baseline; }
details.panel > summary::before { content: "▸"; color: var(--ink-3); }
details.panel[open] > summary::before { content: "▾"; }
details.panel > summary::-webkit-details-marker { display: none; }
.foot { color: var(--ink-3); font-size: 12.5px; padding: 0 20px 40px; line-height: 1.6; }