:root {
  --bg: #f5f6f8; --panel: #ffffff; --ink: #1b2230; --muted: #5b6474; --line: #e2e5eb;
  --accent: #1d4f91; --accent-ink: #ffffff; --accent-soft: #e6eefa; --chip: #eef0f4;
  --new: #1e7b3c; --upd: #8a5a00; --rem: #a3262a; --star: #c58a00;
  --radius: 12px; --shadow: 0 1px 2px rgba(20, 30, 50, .06), 0 2px 8px rgba(20, 30, 50, .05);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #12151b; --panel: #1b2029; --ink: #e7e9ee; --muted: #9aa3b3; --line: #2c3340;
    --accent: #8ab4f0; --accent-ink: #0d1520; --accent-soft: #1d2a3d; --chip: #252b36;
    --new: #6fcf8e; --upd: #e6b45a; --rem: #f08a8d; --star: #f2c14e; color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #12151b; --panel: #1b2029; --ink: #e7e9ee; --muted: #9aa3b3; --line: #2c3340;
  --accent: #8ab4f0; --accent-ink: #0d1520; --accent-soft: #1d2a3d; --chip: #252b36;
  --new: #6fcf8e; --upd: #e6b45a; --rem: #f08a8d; --star: #f2c14e; color-scheme: dark;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 16px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans", "Noto Sans Devanagari", "Nirmala UI", sans-serif;
}
a { color: var(--accent); }
h1 { font-size: 1.45rem; line-height: 1.3; margin: 0; }
h2 { font-size: 1.08rem; margin: 1.6rem 0 .7rem; }
h3 { font-size: 1rem; margin: 0; }
.muted { color: var(--muted); }
.small { font-size: .85rem; }
.center { text-align: center; }
.vh { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: -999px; }
.skip:focus { left: 12px; top: 12px; z-index: 50; background: var(--panel); padding: 8px 12px; border-radius: 8px; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }

/* top bar */
.top {
  position: sticky; top: 0; z-index: 20; display: flex; align-items: center; justify-content: space-between;
  gap: 8px; padding: 10px 16px; background: var(--panel); border-bottom: 1px solid var(--line);
  padding-top: max(10px, env(safe-area-inset-top));
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.1rem; color: var(--ink); text-decoration: none; }
.logo {
  display: grid; place-items: center; width: 34px; height: 34px; border-radius: 10px;
  background: var(--accent); color: var(--accent-ink); font-size: 1.05rem;
}
.top-actions { display: flex; gap: 4px; }
.icon-btn {
  position: relative; display: grid; place-items: center; min-width: 40px; height: 40px; padding: 0 8px; border-radius: 10px;
  border: 0; background: none; color: var(--ink); font: inherit; font-size: 1.05rem; text-decoration: none; cursor: pointer;
}
.icon-btn:hover { background: var(--chip); }
.icon-btn.lang { font-size: .85rem; font-weight: 700; border: 1px solid var(--line); }
.count {
  position: absolute; top: 3px; right: 1px; min-width: 18px; height: 18px; padding: 0 4px; border-radius: 9px;
  background: var(--rem); color: #fff; font-size: .68rem; font-weight: 700; display: grid; place-items: center;
}
.offline-bar { display: none; margin: 0; padding: 8px 16px; background: var(--accent-soft); color: var(--ink); font-size: .88rem; text-align: center; }
body.is-offline .offline-bar { display: block; }

/* layout: bottom tabs on phones, side menu on wide screens */
.layout { max-width: 1120px; margin: 0 auto; }
main { padding: 16px 16px 96px; min-height: 60vh; outline: none; }
.tabs {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 20; display: flex; background: var(--panel);
  border-top: 1px solid var(--line); padding-bottom: env(safe-area-inset-bottom);
}
.tabs a {
  flex: 1; display: flex; flex-direction: column; align-items: center; gap: 1px; padding: 7px 2px 6px;
  color: var(--muted); text-decoration: none; font-size: .7rem; text-align: center; line-height: 1.2;
}
.tabs a span:first-child { font-size: 1.15rem; }
.tabs a.on { color: var(--accent); font-weight: 700; }
@media (min-width: 860px) {
  .layout { display: grid; grid-template-columns: 210px 1fr; gap: 8px; }
  .tabs { position: sticky; top: 70px; align-self: start; flex-direction: column; border: 0; background: none; padding: 16px 0 0 12px; }
  .tabs a { flex-direction: row; gap: 10px; padding: 10px 12px; border-radius: 10px; font-size: .95rem; }
  .tabs a.on { background: var(--accent-soft); }
  main { padding: 20px 20px 48px; }
}
.foot { max-width: 1120px; margin: 0 auto; padding: 0 16px 90px; color: var(--muted); font-size: .8rem; text-align: center; }
@media (min-width: 860px) { .foot { padding-bottom: 24px; } }

/* page heads */
.head { display: flex; gap: 10px; align-items: flex-start; margin: 4px 0 14px; }
.head .sub { margin: 4px 0 0; color: var(--muted); }
.back {
  display: grid; place-items: center; flex: none; width: 36px; height: 36px; border-radius: 10px; background: var(--chip);
  color: var(--ink); text-decoration: none; font-size: 1.5rem; line-height: 1;
}
.row-between { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.row-between h2 { margin-bottom: .7rem; }

/* home */
.hero { padding: 6px 0 4px; }
.hero h1 { font-size: 1.3rem; margin-bottom: 12px; }
.searchbar { display: flex; gap: 8px; margin: 0 0 8px; }
.searchbar input, .filters input, .filters select {
  flex: 1; min-width: 0; font: inherit; padding: 11px 12px; border-radius: 10px; border: 1px solid var(--line);
  background: var(--panel); color: var(--ink);
}
.classes { display: grid; grid-template-columns: repeat(6, 1fr); gap: 8px; }
.classes.big { grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); }
.cls {
  display: flex; flex-direction: column; align-items: center; padding: 10px 4px; border-radius: var(--radius);
  background: var(--panel); border: 1px solid var(--line); color: var(--ink); text-decoration: none; font-size: 1.35rem; font-weight: 700;
}
.cls small { font-size: .68rem; font-weight: 500; color: var(--muted); }
.cls .cnt { font-size: .75rem; font-weight: 500; color: var(--muted); }
.cls:hover, .tile:hover, .book:hover { border-color: var(--accent); }
@media (max-width: 380px) { .classes { grid-template-columns: repeat(4, 1fr); } }

/* tiles */
.tiles { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 230px), 1fr)); gap: 10px; }
.tile {
  display: grid; grid-template-columns: auto 1fr auto; grid-template-areas: "ico tl cnt" "ico td td" "act act act";
  column-gap: 12px; align-items: center; padding: 14px; border-radius: var(--radius); background: var(--panel);
  border: 1px solid var(--line); color: var(--ink); text-decoration: none; box-shadow: var(--shadow);
}
.tile .ico { grid-area: ico; font-size: 1.6rem; }
.tile .tl { grid-area: tl; font-weight: 700; }
.tile .td { grid-area: td; color: var(--muted); font-size: .84rem; }
.tile .cnt { grid-area: cnt; color: var(--muted); font-size: .85rem; font-variant-numeric: tabular-nums; }
.tile .actions { grid-area: act; margin-top: 10px; }

/* cards */
.list { display: grid; gap: 10px; }
.card {
  display: flex; gap: 8px; padding: 14px; border-radius: var(--radius); background: var(--panel);
  border: 1px solid var(--line); box-shadow: var(--shadow);
}
.card-main { flex: 1; min-width: 0; }
.card .title { font-weight: 650; text-decoration: none; overflow-wrap: anywhere; }
.card a.title:hover { text-decoration: underline; }
.card .alt { color: var(--muted); font-size: .9rem; margin-top: 2px; }
.card .from { color: var(--muted); font-size: .82rem; margin-top: 3px; }
.card .note { margin: 6px 0 0; font-size: .88rem; color: var(--muted); }
.meta { display: flex; flex-wrap: wrap; gap: 4px 14px; margin-top: 8px; font-size: .8rem; color: var(--muted); }
.versions { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.star {
  flex: none; width: 40px; height: 40px; border-radius: 10px; border: 0; background: none; color: var(--muted);
  font-size: 1.35rem; cursor: pointer;
}
.star:hover { background: var(--chip); }
.star.on, .star-btn.on { color: var(--star); }
.col .actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 10px; }
details { margin-top: 10px; }
summary { cursor: pointer; color: var(--accent); font-size: .9rem; }
.vlist { margin: 8px 0 0; padding-left: 22px; font-size: .9rem; }
.vlist li { margin: 4px 0; }

/* chips, buttons, badges */
.chip {
  display: inline-flex; align-items: center; gap: 6px; padding: 6px 12px; border-radius: 999px; background: var(--chip);
  color: var(--ink); text-decoration: none; font-size: .85rem; border: 1px solid transparent; cursor: pointer;
}
.chip.on { background: var(--accent); color: var(--accent-ink); }
.chip input { position: absolute; opacity: 0; pointer-events: none; }
.chip.ver { background: var(--accent-soft); color: var(--accent); }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px; padding: 9px 14px; border-radius: 10px;
  border: 1px solid var(--line); background: var(--panel); color: var(--ink); font: inherit; font-size: .9rem;
  text-decoration: none; cursor: pointer;
}
.btn:hover { border-color: var(--accent); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn.small { padding: 4px 10px; font-size: .8rem; }
.btn.file { position: relative; overflow: hidden; }
.btn.file input { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.linklike { background: none; border: 0; padding: 0; color: var(--accent); font: inherit; text-align: left; cursor: pointer; }
.badge { display: inline-block; min-width: 64px; padding: 2px 8px; border-radius: 6px; font-size: .74rem; font-weight: 700; text-align: center; }
.badge.new { background: color-mix(in srgb, var(--new) 15%, transparent); color: var(--new); }
.badge.updated { background: color-mix(in srgb, var(--upd) 15%, transparent); color: var(--upd); }
.badge.removed { background: color-mix(in srgb, var(--rem) 15%, transparent); color: var(--rem); }
.langtabs { display: flex; flex-wrap: wrap; gap: 6px; margin: 4px 0 12px; }

/* lists */
.plain { list-style: none; margin: 0; padding: 0; }
.plain li { display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px 10px; padding: 8px 0; border-bottom: 1px solid var(--line); }
.files li { align-items: center; }
.files li .linklike { flex: 1; }
.filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 8px; }
.filters input { flex: 1 1 220px; }
.filters label { flex: 1 1 140px; display: flex; }
.filters select { width: 100%; }
.count { font-size: .85rem; margin: 4px 0 10px; }
.empty { color: var(--muted); padding: 20px 0; }
.loading { color: var(--muted); padding: 40px 0; text-align: center; }

/* books */
.books { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 210px), 1fr)); gap: 10px; }
.book {
  display: flex; flex-direction: column; gap: 4px; padding: 14px; border-radius: var(--radius); background: var(--panel);
  border: 1px solid var(--line); border-left: 4px solid var(--accent); color: var(--ink); text-decoration: none; box-shadow: var(--shadow);
}
.book .bt { font-weight: 650; }
.book .bm { color: var(--muted); font-size: .82rem; }
.chapters { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 200px), 1fr)); gap: 8px; padding: 0; list-style: none; }
.chapters a {
  display: block; padding: 12px 14px; border-radius: 10px; background: var(--panel); border: 1px solid var(--line);
  text-decoration: none; font-weight: 600;
}
.chapters a::before { content: "📄 "; }
.chapters a:hover { border-color: var(--accent); }

/* settings & prose */
.settings fieldset { border: 0; padding: 0; margin: 0 0 14px; display: flex; flex-wrap: wrap; gap: 8px; }
.settings legend { font-weight: 700; margin-bottom: 8px; }
.prose { max-width: 70ch; }
.prose li { margin: 6px 0; }

/* video player */
.player { position: fixed; inset: 0; z-index: 40; display: grid; place-items: center; background: rgba(0, 0, 0, .72); padding: 12px; }
.player-in { width: min(960px, 100%); background: var(--panel); border-radius: var(--radius); overflow: hidden; }
.player-bar { display: flex; justify-content: space-between; align-items: center; gap: 10px; padding: 10px 12px; }
.player-bar strong { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.frame { position: relative; aspect-ratio: 16 / 9; background: #000; }
.frame iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }

/* toast */
.toast {
  position: fixed; left: 50%; bottom: 84px; transform: translate(-50%, 20px); opacity: 0; pointer-events: none; z-index: 45;
  background: var(--ink); color: var(--bg); padding: 10px 16px; border-radius: 10px; font-size: .9rem; transition: .25s;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }