/* Uzbek Legal RAG — project page.
   Categorical hues validated for colour-vision separation in both modes. */

:root {
  color-scheme: light;
  --ground:    #f5f7f9;
  --surface:   #ffffff;
  --surface-2: #eef2f6;
  --rule:      #dbe2ea;
  --rule-soft: #e7ecf2;
  --ink:       #101822;
  --ink-2:     #45525f;
  --ink-3:     #6d7b8a;
  --accent:    #2260ae;
  --accent-ink:#1b4f90;
  --gold:      #b5701a;
  --s-api:     #2260ae;
  --s-open:    #00a39a;
  --bar-track: #e4eaf1;
  --shadow:    0 1px 2px rgba(16,24,34,.05), 0 8px 24px -14px rgba(16,24,34,.18);

  --font-display: 'Literata', 'Iowan Old Style', Georgia, serif;
  --font-body:    'IBM Plex Sans', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-mono:    'IBM Plex Mono', ui-monospace, 'SF Mono', Menlo, monospace;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --ground:    #0c1219;
    --surface:   #121a24;
    --surface-2: #18222e;
    --rule:      #24313f;
    --rule-soft: #1c2733;
    --ink:       #e9eef4;
    --ink-2:     #a6b3c1;
    --ink-3:     #788593;
    --accent:    #6ba6ee;
    --accent-ink:#8dbcf5;
    --gold:      #d29a45;
    --s-api:     #4e8cdc;
    --s-open:    #12a797;
    --bar-track: #1e2937;
    --shadow:    0 1px 2px rgba(0,0,0,.3), 0 10px 30px -16px rgba(0,0,0,.7);
  }
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --ground:    #0c1219;
  --surface:   #121a24;
  --surface-2: #18222e;
  --rule:      #24313f;
  --rule-soft: #1c2733;
  --ink:       #e9eef4;
  --ink-2:     #a6b3c1;
  --ink-3:     #788593;
  --accent:    #6ba6ee;
  --accent-ink:#8dbcf5;
  --gold:      #d29a45;
  --s-api:     #4e8cdc;
  --s-open:    #12a797;
  --bar-track: #1e2937;
  --shadow:    0 1px 2px rgba(0,0,0,.3), 0 10px 30px -16px rgba(0,0,0,.7);
}

*, *::before, *::after { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--ground);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16.5px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent-ink); text-underline-offset: 2px; }
a:hover { color: var(--ink); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 3px; }
h1 { font-family: var(--font-display); font-weight: 600; text-wrap: balance; margin: 0; }
p { margin: 0; }

.frame {
  width: min(100% - 2.5rem, 1080px);
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: clamp(2.25rem, 4.5vw, 3.25rem);
  padding-block: clamp(2.75rem, 6vw, 4.5rem) 3rem;
}

.mono-inline { font-family: var(--font-mono); font-size: .92em; }

/* ---------- theme toggle ---------- */

.theme-toggle {
  position: fixed; top: 1rem; right: 1rem; z-index: 10;
  display: inline-flex; align-items: center; justify-content: center;
  width: 2.1rem; height: 2.1rem; padding: 0;
  border: 1px solid var(--rule); border-radius: 999px;
  background: var(--surface); color: var(--ink-2); cursor: pointer;
}
.theme-toggle:hover { color: var(--ink); border-color: var(--ink-3); }
.theme-toggle svg { width: 15px; height: 15px; }

/* ---------- header ---------- */

.head { display: flex; flex-direction: column; align-items: center; gap: .9rem; text-align: center; }

.eyebrow {
  display: inline-flex; align-items: center; gap: .6rem;
  font-family: var(--font-mono); font-size: .72rem; letter-spacing: .1em; text-transform: uppercase;
  color: var(--ink-3);
}
.eyebrow::before, .eyebrow::after { content: ""; width: 1.75rem; height: 1px; background: var(--gold); }

/* sized so the full title sets on two lines at desktop width,
   and reflows to three or four as the measure narrows */
.head h1 {
  font-size: clamp(1.6rem, 4.4vw, 3rem);
  line-height: 1.14;
  letter-spacing: -.02em;
}
.authors { font-size: .95rem; color: var(--ink-2); max-width: 60ch; }
.authors span { color: var(--ink-3); }

.btn-row { display: flex; flex-wrap: wrap; justify-content: center; gap: .55rem; margin-top: .5rem; }
.btn {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .45rem 1rem; border-radius: 6px;
  font-size: .875rem; font-weight: 500; text-decoration: none;
  border: 1px solid var(--rule); background: var(--surface); color: var(--ink);
}
.btn:hover { border-color: var(--ink-3); color: var(--ink); }
.btn--primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn--primary:hover { color: #fff; border-color: var(--accent); filter: brightness(1.07); }
.btn__ico { font-size: 1rem; line-height: 1; }
.btn__fav { width: 16px; height: 16px; object-fit: contain; border-radius: 2px; }
/* the arXiv mark is dark-on-white, so it gets its own tile on the filled button */
.btn--primary .btn__fav { background: #fff; padding: 2px; border-radius: 4px; box-sizing: content-box; }

/* ---------- abstract ---------- */

.abstract {
  display: flex; flex-direction: column; align-items: center; gap: .9rem;
  max-width: 72ch; margin-inline: auto;
  color: var(--ink-2);
  font-size: .97rem;
}
.kicker {
  font-family: var(--font-mono); font-size: .7rem; letter-spacing: .1em;
  text-transform: uppercase; color: var(--ink-3);
}
.abstract > p:not(.kicker):not(.thesis) { text-align: left; }
.abstract strong { color: var(--ink); font-weight: 600; }
.thesis {
  font-family: var(--font-display); font-size: 1.08rem; color: var(--ink);
  text-align: center; text-wrap: balance;
  width: 100%; padding-top: .8rem; border-top: 1px solid var(--rule);
}
.thesis em { color: var(--accent-ink); }

/* ---------- key figures ---------- */

.figures {
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px; background: var(--rule-soft);
  border-block: 1px solid var(--rule-soft);
}
@media (max-width: 780px) { .figures { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.figure { background: var(--ground); padding: 1.1rem 1.15rem 1.25rem; display: flex; flex-direction: column; gap: .2rem; }
.figure__n {
  font-family: var(--font-mono); font-size: clamp(1.5rem, 3.2vw, 1.95rem);
  font-weight: 500; letter-spacing: -.03em; font-variant-numeric: tabular-nums;
}
.figure__n small { font-size: .55em; color: var(--ink-3); margin-left: .05em; }
.figure__n--word { font-family: var(--font-display); font-size: clamp(1.3rem, 2.6vw, 1.65rem); letter-spacing: -.01em; }
.figure__k { font-size: .8rem; color: var(--ink-2); line-height: 1.45; }

/* ---------- leaderboard slab ---------- */

.slab {
  background: var(--surface); border: 1px solid var(--rule); border-radius: 10px;
  box-shadow: var(--shadow); overflow: hidden;
}
.slab__hd {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: .9rem;
  padding: 1.1rem 1.3rem; border-bottom: 1px solid var(--rule-soft);
}
.slab__title { font-family: var(--font-display); font-size: 1.02rem; font-weight: 600; }
.slab__sub { font-size: .78rem; color: var(--ink-3); margin-top: .1rem; }
.slab__ft { padding: .9rem 1.3rem; border-top: 1px solid var(--rule-soft); font-size: .78rem; color: var(--ink-3); }
.slab__scroll { overflow-x: auto; }

.controls { display: flex; align-items: center; gap: .4rem; flex-wrap: wrap; }
.seg { display: inline-flex; background: var(--surface-2); border: 1px solid var(--rule); border-radius: 7px; padding: 2px; gap: 2px; }
.seg button {
  font: inherit; font-size: .78rem; font-family: var(--font-body);
  padding: .28rem .68rem; border: 0; border-radius: 5px;
  background: transparent; color: var(--ink-2); cursor: pointer;
}
.seg button[aria-pressed="true"] { background: var(--surface); color: var(--ink); font-weight: 600; box-shadow: 0 1px 2px rgba(16,24,34,.12); }

.legend { display: flex; flex-wrap: wrap; gap: .25rem 1.1rem; padding: .8rem 1.3rem; border-bottom: 1px solid var(--rule-soft); }
.legend__item { display: inline-flex; align-items: center; gap: .45rem; font-size: .78rem; color: var(--ink-2); }
.legend__sw { width: 10px; height: 10px; border-radius: 2px; flex: none; }

table.lb { width: 100%; border-collapse: collapse; font-size: .875rem; }
table.lb th, table.lb td { padding: .55rem .7rem; text-align: right; white-space: nowrap; }
table.lb th {
  font-family: var(--font-mono); font-size: .67rem; font-weight: 500;
  letter-spacing: .07em; text-transform: uppercase; color: var(--ink-3);
  border-bottom: 1px solid var(--rule); vertical-align: bottom;
}
table.lb td { border-bottom: 1px solid var(--rule-soft); font-variant-numeric: tabular-nums; }
table.lb tbody tr:last-child td { border-bottom: 0; }
table.lb tbody tr:hover td { background: var(--surface-2); }
table.lb .col-rank { width: 2.4rem; color: var(--ink-3); font-family: var(--font-mono); font-size: .78rem; }
table.lb .col-name { text-align: left; white-space: normal; min-width: 14rem; }
table.lb .col-bar { width: 32%; min-width: 9rem; }
table.lb th:first-child, table.lb td:first-child { padding-left: 1.3rem; }
table.lb th:last-child, table.lb td:last-child { padding-right: 1.3rem; }

.mname { font-family: var(--font-mono); font-size: .85rem; }
.mnote { font-size: .74rem; color: var(--ink-3); margin-left: .4rem; }
.dim { color: var(--ink-3); }
.row-ours td { background: color-mix(in srgb, var(--gold) 8%, transparent); }
.row-ours:hover td { background: color-mix(in srgb, var(--gold) 13%, transparent); }
.row-ours .mname { font-weight: 500; }

.pill {
  display: inline-flex; align-items: center;
  font-family: var(--font-mono); font-size: .65rem; letter-spacing: .05em; text-transform: uppercase;
  padding: .1rem .4rem; border-radius: 4px; border: 1px solid; margin-left: .4rem; vertical-align: 1px;
}
.pill--ours     { color: var(--gold);       border-color: color-mix(in srgb, var(--gold) 45%, transparent); }

.bar { display: flex; align-items: center; gap: .6rem; }
.bar__track { flex: 1; height: 8px; background: var(--bar-track); border-radius: 4px; overflow: hidden; }
.bar__fill { height: 100%; border-radius: 4px; }
.bar__val { font-family: var(--font-mono); font-size: .82rem; width: 3rem; text-align: right; font-variant-numeric: tabular-nums; }

/* ---------- cite + foot ---------- */

.bibtex { position: relative; background: var(--surface); border: 1px solid var(--rule); border-radius: 10px; overflow: hidden; }
.bibtex pre {
  margin: 0; padding: 1.15rem 1.3rem; overflow-x: auto;
  font-family: var(--font-mono); font-size: .76rem; line-height: 1.7; color: var(--ink-2);
}
.copy-btn {
  position: absolute; top: .7rem; right: .7rem;
  font: inherit; font-size: .73rem; font-family: var(--font-mono);
  padding: .25rem .58rem; border: 1px solid var(--rule); border-radius: 5px;
  background: var(--surface-2); color: var(--ink-2); cursor: pointer;
}
.copy-btn:hover { color: var(--ink); border-color: var(--ink-3); }

.foot {
  display: flex; flex-wrap: wrap; gap: .35rem 2rem; justify-content: space-between;
  padding-top: 1.5rem; border-top: 1px solid var(--rule-soft);
  font-size: .8rem; color: var(--ink-3);
}
.foot a { color: var(--ink-2); }