/* verba — Ukrainian proverbs corpus
   Brand: verba = Latin "words" ↔ верба (willow), the Ukrainian folk tree.
   Palette: linen paper, warm ink, willow-green primary + catkin-gold accent.
   Type: Spectral (proverbs + wordmark) · system sans (chrome) · mono (catalog №). */
:root {
  --paper: #f4f1e8;
  --paper-2: #fbfaf4;
  --ink: #232520;
  --muted: #6f6a5c;
  --faint: #9a9384;
  --rule: #e2dccd;
  --willow: #5e7355;
  --willow-deep: #3c4a37;
  --catkin: #c79a4a;
  --serif: "Spectral", Georgia, "Times New Roman", serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  --mono: ui-monospace, "SFMono-Regular", "JetBrains Mono", Menlo, monospace;
  --measure: 64ch;
  --wrap: 1080px;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.5;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}
.wrap { max-width: var(--wrap); margin-inline: auto; padding-inline: clamp(1rem, 4vw, 2.5rem); }
.vh { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
a { color: var(--willow); text-underline-offset: 2px; }
:focus-visible { outline: 2px solid var(--willow); outline-offset: 2px; border-radius: 2px; }

/* ---- Masthead ---- */
.masthead { border-bottom: 1px solid var(--rule); padding-block: clamp(1.4rem, 4vw, 2.6rem) 1.4rem; }
.eyebrow {
  margin: 0 0 .9rem; font-size: .72rem; letter-spacing: .18em; text-transform: uppercase;
  color: var(--willow); font-weight: 600;
}
.eyebrow #mastCount { font-family: var(--mono); letter-spacing: .04em; }
.wordmark {
  display: flex; align-items: center; gap: .35rem; margin: 0;
  font-family: var(--serif); font-weight: 500; font-size: clamp(2.6rem, 8vw, 4.6rem);
  line-height: 1; letter-spacing: -.02em; color: var(--ink);
}
.wordmark .leaf { width: auto; height: .92em; flex: none; transform: rotate(-8deg); }
.wordmark .brand { color: var(--willow-deep); }
.wordmark .amp { color: var(--willow); font-style: italic; font-weight: 400; }
.standfirst {
  font-family: var(--serif); font-size: clamp(1rem, 2.2vw, 1.18rem); color: var(--muted);
  max-width: 48ch; margin: 1rem 0 0; line-height: 1.45;
}

/* ---- Hero (featured proverb = the thesis) ---- */
.hero { padding-block: clamp(2rem, 6vw, 3.6rem); }
.hero-card {
  display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 1.5rem; align-items: start;
  border-top: 2px solid var(--ink); border-bottom: 1px solid var(--rule); padding-block: 1.4rem;
}
.hero-cat { font-family: var(--mono); font-size: .72rem; color: var(--faint); letter-spacing: .04em; }
.hero-text {
  font-family: var(--serif); font-weight: 500; font-size: clamp(1.55rem, 4.2vw, 2.55rem);
  line-height: 1.18; letter-spacing: -.01em; margin: .5rem 0 0; max-width: 22ch;
}
.hero-modern { font-family: var(--serif); font-style: italic; color: var(--muted); margin: .6rem 0 0; }
.hero-meta { margin-top: 1rem; display: flex; flex-wrap: wrap; gap: .5rem .9rem; align-items: center; font-size: .82rem; }
.hero-shuffle {
  font-family: var(--sans); font-size: .8rem; letter-spacing: .02em; cursor: pointer;
  background: none; border: 1px solid var(--ink); color: var(--ink); border-radius: 999px;
  padding: .5rem .95rem; white-space: nowrap; transition: background .15s, color .15s;
}
.hero-shuffle:hover { background: var(--ink); color: var(--paper); }

/* ---- Controls: search + filters ---- */
.controls { padding-block: .5rem 1rem; }
.search-wrap { position: relative; display: flex; align-items: baseline; gap: 1rem;
  border-bottom: 2px solid var(--ink); padding-bottom: .35rem; }
#q {
  flex: 1; min-width: 0; border: 0; background: none; font-family: var(--serif);
  font-size: clamp(1.1rem, 3vw, 1.4rem); color: var(--ink); padding: .2rem 0;
}
#q::placeholder { color: var(--faint); }
#q:focus { outline: none; }
.count { font-family: var(--mono); font-size: .76rem; color: var(--muted); white-space: nowrap; }

.filters { margin-top: 1.1rem; display: grid; gap: .8rem; }
.filter-group { display: grid; grid-template-columns: 5.5rem 1fr; gap: .4rem 1rem; align-items: start; }
.filter-label {
  font-size: .68rem; letter-spacing: .14em; text-transform: uppercase; color: var(--faint);
  padding-top: .35rem; font-weight: 600;
}
/* Themes collapse into a disclosure so they never dominate the viewport (esp. mobile) */
.theme-details { border-top: 1px solid var(--rule); padding-top: .7rem; }
.theme-summary { display: flex; align-items: center; gap: .6rem; cursor: pointer; list-style: none; padding: .1rem 0; }
.theme-summary::-webkit-details-marker { display: none; }
.theme-summary .filter-label { padding-top: 0; }
.theme-active { font-size: .82rem; color: var(--willow); font-weight: 600; }
.theme-toggle { margin-left: auto; font-size: .74rem; color: var(--faint); }
.theme-toggle::after { content: "показати теми ▾"; }
.theme-details[open] .theme-toggle::after { content: "сховати ▴"; }
.theme-details[open] .chips-themes { margin-top: .7rem; }
.chips { display: flex; flex-wrap: wrap; gap: .35rem .4rem; }
.chip {
  font-family: var(--sans); font-size: .82rem; cursor: pointer; color: var(--muted);
  background: none; border: 1px solid transparent; border-radius: 999px;
  padding: .26rem .7rem; transition: color .12s, border-color .12s, background .12s;
}
.chip:hover { color: var(--ink); border-color: var(--rule); }
.chip.active { color: #fff; background: var(--willow); border-color: var(--willow); }
.chips-themes .chip { font-size: .8rem; padding: .24rem .6rem; }

/* ---- Results ---- */
#results { padding-block: 1.4rem clamp(2rem, 6vw, 4rem); }
.results-head {
  font-size: .7rem; letter-spacing: .14em; text-transform: uppercase; color: var(--faint);
  border-bottom: 1px solid var(--rule); padding-bottom: .5rem; margin-bottom: .3rem; font-weight: 600;
}
.entry {
  display: grid; grid-template-columns: 4.5rem minmax(0, 1fr); gap: 0 1.2rem; align-items: baseline;
  padding: 1rem 0; border-bottom: 1px solid var(--rule); cursor: pointer;
  transition: background .12s;
}
.entry:hover { background: var(--paper-2); }
.entry-cat { font-family: var(--mono); font-size: .72rem; color: var(--faint); letter-spacing: .02em; padding-top: .3rem; }
.entry-text { font-family: var(--serif); font-size: 1.18rem; line-height: 1.4; }
.entry-modern { font-family: var(--serif); font-style: italic; color: var(--muted); font-size: 1rem; margin-top: .25rem; }
.entry-tags { margin-top: .45rem; display: flex; flex-wrap: wrap; gap: .35rem .8rem; align-items: center; }
.tag { font-size: .7rem; letter-spacing: .06em; text-transform: uppercase; color: var(--willow); font-weight: 600; }
.tag-src { font-family: var(--mono); font-size: .68rem; letter-spacing: .02em; color: var(--faint); text-transform: none; font-weight: 400; }
.empty { font-family: var(--serif); font-style: italic; color: var(--muted); padding: 2.5rem 0; font-size: 1.1rem; }

/* ---- Detail dialog ---- */
.detail {
  border: none; border-radius: 6px; padding: 0; max-width: 540px; width: calc(100% - 2rem);
  background: var(--paper-2); color: var(--ink); box-shadow: 0 24px 60px rgba(26, 25, 22, .28);
}
.detail::backdrop { background: rgba(26, 25, 22, .45); }
.detail-inner { padding: 1.8rem 1.8rem 1.5rem; }
.detail-cat { font-family: var(--mono); font-size: .72rem; color: var(--faint); }
.detail-text { font-family: var(--serif); font-weight: 500; font-size: 1.7rem; line-height: 1.22; margin: .5rem 0 0; }
.detail-modern { font-family: var(--serif); font-style: italic; color: var(--muted); margin: .7rem 0 0; }
.detail-expl { margin: 1.1rem 0 0; padding-top: 1.1rem; border-top: 1px solid var(--rule); color: var(--ink); line-height: 1.55; }
.detail-variants { margin: 1.1rem 0 0; }
.detail-variants h4 { font-size: .68rem; letter-spacing: .14em; text-transform: uppercase; color: var(--faint); margin: 0 0 .5rem; }
.detail-variants li { font-family: var(--serif); color: var(--muted); margin: .3rem 0; line-height: 1.35; }
.detail-meta { margin: 1.2rem 0 0; display: flex; flex-wrap: wrap; gap: .4rem .8rem; font-size: .78rem; color: var(--muted); }
.detail-close {
  margin-top: 1.4rem; font-family: var(--sans); font-size: .85rem; cursor: pointer;
  background: var(--ink); color: var(--paper); border: 0; border-radius: 999px; padding: .55rem 1.3rem;
}
.detail-close:hover { background: var(--willow); }

/* ---- Colophon ---- */
.colophon { border-top: 1px solid var(--rule); padding-block: 2rem 3rem; color: var(--muted); }
.col-stat { font-family: var(--mono); font-size: .76rem; color: var(--faint); margin: 0 0 .8rem; }
.col-sources { list-style: none; padding: 0; margin: 0 0 1rem; font-size: .85rem; display: grid; gap: .25rem; }
.col-sources li b { font-weight: 600; color: var(--ink); }
.col-note { font-size: .8rem; max-width: var(--measure); line-height: 1.5; margin: 0; }

/* ---- Responsive ---- */
@media (max-width: 620px) {
  .hero-card { grid-template-columns: 1fr; }
  .hero-shuffle { justify-self: start; }
  .filter-group { grid-template-columns: 1fr; gap: .3rem; }
  .filter-label { padding-top: 0; }
  .entry { grid-template-columns: 1fr; gap: .15rem; }
  .entry-cat { padding-top: 0; }
}

@media (prefers-reduced-motion: no-preference) {
  .hero-text, .hero-modern, .hero-meta { animation: rise .4s ease both; }
  @keyframes rise { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
}

.sem-toggle { font-family: var(--sans); font-size: .76rem; letter-spacing: .02em; cursor: pointer;
  background: none; border: 1px solid var(--rule); color: var(--muted); border-radius: 999px;
  padding: .25rem .7rem; white-space: nowrap; transition: background .12s, color .12s, border-color .12s; }
.sem-toggle[aria-checked="true"] { background: var(--willow); color: #fff; border-color: var(--willow); }
.sem-toggle:disabled { opacity: .4; cursor: not-allowed; }
.entry-score, .sim-score { font-family: var(--mono); font-size: .68rem; color: var(--faint); }
.detail-similar { margin: 1.1rem 0 0; padding-top: 1.1rem; border-top: 1px solid var(--rule); }
.detail-similar h4 { font-size: .68rem; letter-spacing: .14em; text-transform: uppercase; color: var(--faint); margin: 0 0 .5rem; }
.detail-similar li { font-family: var(--serif); color: var(--ink); margin: .35rem 0; line-height: 1.35; cursor: pointer; }
.detail-similar li:hover { color: var(--willow); }
.sem-hint { font-family: var(--sans); font-size: .72rem; color: var(--faint); margin-top: .4rem; }

/* ---- Dark theme (auto via prefers-color-scheme + manual [data-theme] toggle) ---- */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #191c16; --paper-2: #22261f; --ink: #e9e5d8; --muted: #a8a392;
    --faint: #7f7b6c; --rule: #353a2e; --willow: #8fa882; --willow-deep: #bcd2af; --catkin: #d8aa54;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper: #191c16; --paper-2: #22261f; --ink: #e9e5d8; --muted: #a8a392;
  --faint: #7f7b6c; --rule: #353a2e; --willow: #8fa882; --willow-deep: #bcd2af; --catkin: #d8aa54;
  color-scheme: dark;
}

.theme-toggle-btn {
  position: fixed; top: .8rem; right: .8rem; z-index: 10;
  width: 40px; height: 40px; border-radius: 999px; border: 1px solid var(--rule);
  background: var(--paper-2); color: var(--willow); cursor: pointer;
  font-size: 1.05rem; line-height: 1; display: flex; align-items: center; justify-content: center;
  transition: border-color .15s, color .15s;
}
.theme-toggle-btn:hover { border-color: var(--willow); color: var(--ink); }

/* ---- Adaptivity: let the search row wrap on small screens ---- */
@media (max-width: 560px) {
  .search-wrap { flex-wrap: wrap; row-gap: .45rem; align-items: center; }
  #q { flex: 1 1 100%; }
}

.more-btn { display: block; margin: 1.4rem auto 0; font-family: var(--sans); font-size: .82rem; letter-spacing: .02em;
  cursor: pointer; background: none; border: 1px solid var(--rule); color: var(--ink); border-radius: 999px; padding: .55rem 1.4rem;
  transition: background .15s, color .15s, border-color .15s; }
.more-btn:hover { background: var(--willow); color: #fff; border-color: var(--willow); }

.saved-btn { font-family: var(--sans); font-size: .76rem; letter-spacing: .02em; cursor: pointer; background: none;
  border: 1px solid var(--rule); color: var(--muted); border-radius: 999px; padding: .25rem .7rem; white-space: nowrap;
  transition: background .12s, color .12s, border-color .12s; }
.saved-btn.active, .saved-btn:hover { border-color: var(--willow); color: var(--willow); }
.entry-save { background: none; border: none; cursor: pointer; color: var(--faint); font-size: .95rem; line-height: 1; padding: 0 .2rem; transition: color .12s; }
.entry-save:hover { color: var(--willow); }
.entry-save.on { color: var(--willow); }

.swipe-btn { font-family: var(--sans); font-size: .76rem; letter-spacing: .02em; cursor: pointer; background: var(--willow);
  color: #fff; border: 1px solid var(--willow); border-radius: 999px; padding: .25rem .8rem; white-space: nowrap; }
.swipe-btn:hover { background: var(--willow-deep); border-color: var(--willow-deep); }
body.swipe-open { overflow: hidden; }
.swipe[hidden] { display: none; }
.swipe { position: fixed; inset: 0; z-index: 50; background: var(--paper); display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 1.5rem; padding: 1.5rem; }
.sw-close { position: absolute; top: 1rem; right: 1rem; width: 40px; height: 40px; border-radius: 999px;
  border: 1px solid var(--rule); background: var(--paper-2); color: var(--muted); cursor: pointer; font-size: 1rem; }
.sw-card { max-width: 600px; width: 100%; background: var(--paper-2); border: 1px solid var(--rule); border-radius: 12px;
  padding: clamp(1.8rem, 6vw, 3rem); cursor: pointer; touch-action: pan-y; box-shadow: 0 18px 50px rgba(0,0,0,.12); }
.sw-cat { font-family: var(--mono); font-size: .72rem; color: var(--faint); }
.sw-text { font-family: var(--serif); font-weight: 500; font-size: clamp(1.5rem, 5vw, 2.3rem); line-height: 1.2; margin: .6rem 0 0; }
.sw-modern { font-family: var(--serif); font-style: italic; color: var(--muted); margin: .7rem 0 0; }
.sw-tags { margin-top: 1rem; display: flex; flex-wrap: wrap; gap: .35rem .8rem; align-items: center; }
.sw-actions { display: flex; gap: 1.1rem; }
.sw-act { width: 56px; height: 56px; border-radius: 999px; border: 1px solid var(--rule); background: var(--paper-2);
  cursor: pointer; font-size: 1.3rem; line-height: 1; color: var(--muted); transition: transform .12s, color .12s, border-color .12s; }
.sw-act:hover { transform: translateY(-2px); }
.sw-save { color: #b4543f; } .sw-savebtn.on { color: #fff; background: var(--willow); border-color: var(--willow); }
.sw-share { color: var(--willow); }
.sw-hint { font-family: var(--sans); font-size: .74rem; color: var(--faint); margin: 0; }
.detail-share { margin-top: 1.2rem; }
.detail-sharebtn { font-family: var(--sans); font-size: .82rem; cursor: pointer; background: none; border: 1px solid var(--willow);
  color: var(--willow); border-radius: 999px; padding: .45rem 1.1rem; }
.detail-sharebtn:hover { background: var(--willow); color: #fff; }
.flash { position: fixed; bottom: 1.4rem; left: 50%; transform: translateX(-50%) translateY(1rem); z-index: 60;
  background: var(--ink); color: var(--paper); font-family: var(--sans); font-size: .82rem; padding: .55rem 1.1rem;
  border-radius: 999px; opacity: 0; pointer-events: none; transition: opacity .2s, transform .2s; }
.flash.show { opacity: 1; transform: translateX(-50%) translateY(0); }