:root {
  --bg: #f3f4f6; --card: #fff; --text: #111827; --muted: #6b7280; --line: #d1d5db;
  --brand: #2563eb; --brand-text: #fff; --brand-soft: #dbeafe; --hit: #fff3a3; --play: #fde68a; --warn: #b45309;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #0f172a; --card: #1e293b; --text: #e5e7eb; --muted: #94a3b8; --line: #334155;
          --brand: #3b82f6; --brand-soft: #1e3a8a; --hit: #854d0e; --play: #92400e; --warn: #fbbf24; }
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body { font-family: system-ui, -apple-system, "Segoe UI", sans-serif; background: var(--bg); color: var(--text); line-height: 1.55; padding-bottom: 60px; }
button, select, input { font: inherit; }
.top { background: var(--brand); color: var(--brand-text); padding: 10px 16px; display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.top h1 { font-size: 1.25rem; margin: 0; }
.langpick { display: flex; align-items: center; gap: 8px; font-size: .9rem; }
.langpick select { padding: 5px 8px; border-radius: 6px; border: 0; }

.sticky { position: sticky; top: 0; z-index: 20; background: var(--bg); }
.querybar { padding: 10px 16px 6px; }
.queryrow { display: flex; gap: 8px; align-items: center; margin-bottom: 6px; }
.queryrow.meta { flex-wrap: wrap; }
#q { flex: 1; min-width: 0; padding: 10px 12px; font-size: 1.1rem; border: 2px solid var(--line); border-radius: 8px; background: var(--card); color: var(--text); }
#q:focus { outline: none; border-color: var(--brand); }
button { background: var(--brand); color: var(--brand-text); border: 0; border-radius: 6px; padding: 8px 14px; cursor: pointer; }
button:hover { filter: brightness(1.1); }
button.secondary { background: var(--card); color: var(--text); border: 1px solid var(--line); }
button:disabled { opacity: .45; cursor: default; }
.hitcount { font-weight: 700; min-width: 3ch; padding: 3px 10px; border-radius: 12px; background: var(--card); border: 1px solid var(--line); }
.hitcount.zero { background: var(--line); color: var(--muted); }
.warn { color: var(--warn); font-size: .9rem; }
.muted { color: var(--muted); font-size: .9rem; }

.tabs { display: flex; gap: 2px; overflow-x: auto; padding: 8px 16px 0; border-bottom: 1px solid var(--line); background: var(--bg); }
.tabs button { background: transparent; color: var(--muted); border-radius: 8px 8px 0 0; border: 1px solid transparent; border-bottom: 0; white-space: nowrap; padding: 8px 14px; }
.tabs button.on { background: var(--card); color: var(--text); border-color: var(--line); font-weight: 600; }
main { padding: 14px 16px; max-width: 1100px; margin: 0 auto; }
.pane { display: none; }
.pane.on { display: block; }
.cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 14px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px; }
.card h2 { margin: 0 0 8px; font-size: 1.05rem; }
.help { margin: 0; padding-inline-start: 1.2rem; }
.help li { margin: 4px 0; }

.toolrow { display: flex; flex-wrap: wrap; gap: 10px; align-items: flex-end; margin-bottom: 10px; }
.toolrow label { display: flex; flex-direction: column; font-size: .85rem; color: var(--muted); gap: 3px; }
.toolrow input { padding: 8px 10px; border: 1px solid var(--line); border-radius: 6px; background: var(--card); color: var(--text); min-width: 0; }
#wordFilter { flex: 1; min-width: 180px; }
.actions { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin: 6px 0; min-height: 34px; }
.actions .sel { font-weight: 600; }

.wordlist { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 6px; }
.wordlist li { padding: 4px 10px; border: 1px solid var(--line); border-radius: 14px; cursor: pointer; background: var(--card); }
.wordlist li:hover { border-color: var(--brand); }
.wordlist li.on { background: var(--brand); color: var(--brand-text); border-color: var(--brand); }
.wordlist li small { opacity: .7; margin-inline-start: 6px; }
.wordlist.big { max-height: 60vh; overflow-y: auto; margin-bottom: 10px; }

table.refs { width: 100%; border-collapse: collapse; background: var(--card); border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
table.refs th, table.refs td { padding: 7px 10px; text-align: start; border-bottom: 1px solid var(--line); font-size: .92rem; }
table.refs tbody tr { cursor: pointer; }
table.refs tbody tr:hover { background: var(--brand-soft); }
table.refs.nodist .distcol { display: none; }
.pager { display: flex; gap: 10px; align-items: center; margin: 8px 0; flex-wrap: wrap; }

.para { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 12px 16px; margin-bottom: 12px; }
.para .head { font-size: .85rem; color: var(--muted); margin-bottom: 6px; }
.para .head a { font-weight: 700; color: var(--brand); cursor: pointer; text-decoration: none; margin-inline-end: 6px; }
.para .head .n { color: var(--muted); margin-inline-end: 4px; }
.para .head .d { color: var(--warn); margin-inline-start: 8px; }
.ptext { font-size: 1.05rem; }
.s { cursor: pointer; border-radius: 3px; }
.s:hover { background: var(--brand-soft); }
.s.playing { background: var(--play); }
mark.hit { background: var(--hit); color: inherit; padding: 0 1px; border-radius: 2px; font-weight: 600; }
sup.pn { color: var(--muted); font-size: .7em; margin-inline-end: 4px; font-weight: 600; }

.bookbar { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-bottom: 12px; }
#paperSelect { flex: 1; min-width: 200px; max-width: 520px; padding: 8px; border-radius: 6px; border: 1px solid var(--line); background: var(--card); color: var(--text); }
#bookBody { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 8px 22px 20px; font-size: 1.1rem; }
#bookBody h1 { font-size: 1.6rem; text-align: center; margin: 18px 0; }
#bookBody h2 { font-size: 1.2rem; margin: 26px 0 8px; color: var(--brand); }
#bookBody p { margin: 0 0 14px; scroll-margin-top: 190px; }
#bookBody p.flash { animation: flash 2.2s ease; }
@keyframes flash { 0%, 60% { background: var(--hit); } 100% { background: transparent; } }

.part { margin-bottom: 14px; }
.part > h3 { margin: 0 0 6px; font-size: 1.05rem; color: var(--brand); }
.paper { background: var(--card); border: 1px solid var(--line); border-radius: 8px; margin-bottom: 4px; }
.paper > .row { display: flex; align-items: center; gap: 8px; padding: 6px 12px; }
.paper .num { color: var(--muted); min-width: 3.2ch; font-variant-numeric: tabular-nums; }
.paper a { cursor: pointer; flex: 1; }
.paper a:hover { color: var(--brand); text-decoration: underline; }
.paper .tog { background: transparent; color: var(--muted); padding: 2px 8px; border: 0; }
.paper ul { list-style: none; margin: 0; padding: 0 12px 8px 46px; display: none; }
.paper.open ul { display: block; }
.paper li { padding: 2px 0; }
.paper li a:hover { color: var(--brand); text-decoration: underline; }

#playerbar { position: fixed; left: 0; right: 0; bottom: 0; background: var(--card); border-top: 2px solid var(--brand); padding: 10px 16px; display: flex; gap: 14px; align-items: center; justify-content: center; z-index: 50; }
#playerbar[hidden] { display: none; }

@media (max-width: 640px) {
  #bookBody { padding: 4px 14px 14px; }
  table.refs th:nth-child(4), table.refs td:nth-child(4) { display: none; }
}