/*
 * No web fonts and no external stylesheets on purpose: the page claims it
 * makes no requests once loaded, and a font request would make that a lie.
 * Kanji rendering is left to the reader's system fonts, which is also the
 * only way an IVS-aware font can show its own glyph.
 */

:root {
  --bg: #fbfaf8;
  --fg: #1d1c1a;
  --muted: #6b6862;
  --line: #ddd8d0;
  --panel: #ffffff;
  --accent: #1c5d99;
  --warn-bg: #fdf5e6;
  --warn-line: #d9a441;
  --warn-fg: #7a5310;
  --ok: #2f6f43;
  --chip-bg: #eef1f5;
  --radius: 8px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #17161a;
    --fg: #eae7e1;
    --muted: #a29d95;
    --line: #35323a;
    --panel: #1f1e23;
    --accent: #7db3e0;
    --warn-bg: #2c2415;
    --warn-line: #a9803a;
    --warn-fg: #e8c281;
    --ok: #77c093;
    --chip-bg: #2b2933;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 0 1rem 4rem;
  background: var(--bg);
  color: var(--fg);
  font-family: system-ui, -apple-system, "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Yu Gothic", Meiryo, sans-serif;
  line-height: 1.75;
  font-size: 16px;
}

.page-head, main, .page-foot {
  max-width: 46rem;
  margin: 0 auto;
}

.page-head { padding: 2.5rem 0 1rem; }

h1 {
  font-size: 1.7rem;
  margin: 0 0 .4rem;
  letter-spacing: .01em;
}

.version {
  font-size: .95rem;
  font-weight: 400;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.lead { margin: 0 0 1rem; }

.links { margin: 0 0 1.2rem; display: flex; gap: 1.1rem; flex-wrap: wrap; }
.links a, .page-foot a { color: var(--accent); }

.offline {
  border: 1px solid var(--line);
  border-left: 4px solid var(--ok);
  border-radius: var(--radius);
  background: var(--panel);
  padding: .8rem 1rem;
  margin: 0;
}
.offline-detail {
  display: block;
  margin-top: .4rem;
  font-size: .9rem;
  color: var(--muted);
}

.request-meter {
  display: grid;
  grid-template-columns: auto auto 1fr;
  align-items: baseline;
  gap: .5rem .7rem;
  margin: .6rem 0 0;
  padding: .7rem 1rem;
  border: 1px solid var(--line);
  border-left: 4px solid var(--ok);
  border-radius: var(--radius);
  background: var(--panel);
}
.meter-label { font-size: .9rem; color: var(--muted); }
.meter-value {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--ok);
}
.meter-note {
  grid-column: 1 / -1;
  font-size: .82rem;
  color: var(--muted);
}
.meter-note kbd {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: .95em;
  background: var(--chip-bg);
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: 0 .3rem;
}
/* Only ever set, never cleared: a request that happened, happened. */
.request-meter.dirty { border-left-color: var(--warn-line); }
.request-meter.dirty .meter-value { color: var(--warn-fg); }

.panel-guide { border-left: 4px solid var(--accent); }
.guide {
  margin: 0;
  padding-left: 1.3rem;
  display: grid;
  gap: .55rem;
}
.guide li { line-height: 1.65; }

.font-note {
  font-size: .85rem;
  color: var(--muted);
  margin: .8rem 0 0;
}
.font-note code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  background: var(--chip-bg);
  border-radius: 3px;
  padding: 0 .25rem;
}

.loading, .load-error { padding: 2rem 0; color: var(--muted); }
.load-error { color: var(--warn-fg); }

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.2rem 1.3rem 1.4rem;
  margin: 1.6rem 0;
}

.panel h2 {
  font-size: 1.15rem;
  margin: 0 0 .3rem;
  display: flex;
  align-items: baseline;
  gap: .6rem;
  flex-wrap: wrap;
}
.panel h2 code {
  font-size: .85rem;
  font-weight: 400;
  color: var(--muted);
}

.panel-lead { margin: 0 0 1rem; font-size: .93rem; color: var(--muted); }

.presets { display: flex; flex-wrap: wrap; gap: .45rem; margin-bottom: 1rem; }

.preset {
  font: inherit;
  font-size: .88rem;
  background: var(--bg);
  color: var(--fg);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: .3rem .85rem;
  cursor: pointer;
  display: inline-flex;
  align-items: baseline;
  gap: .45rem;
  line-height: 1.5;
}
.preset:hover { border-color: var(--accent); }
.preset-label { font-weight: 600; }
.preset-note { font-size: .78rem; color: var(--muted); }

.field { display: block; }
.field-label {
  display: block;
  font-size: .82rem;
  color: var(--muted);
  margin-bottom: .3rem;
}

textarea, input[type="text"] {
  font: inherit;
  width: 100%;
  background: var(--bg);
  color: var(--fg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: .6rem .75rem;
  line-height: 1.9;
}
textarea:focus, input[type="text"]:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.field-inline input[type="text"] { font-size: 1.6rem; line-height: 2; }

.output { margin-top: 1.1rem; }

.summary { font-size: .85rem; color: var(--muted); margin: 0 0 .7rem; }
.empty { color: var(--muted); margin: .4rem 0; }
.error { color: var(--warn-fg); }

.group {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: .7rem .9rem .9rem;
  margin-bottom: .8rem;
}

.group-head { display: flex; align-items: center; gap: .6rem; flex-wrap: wrap; }
.group-label {
  font-size: .72rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--muted);
}
.group-count { font-size: .8rem; color: var(--muted); }

.glyph { font-family: "Hiragino Mincho ProN", "Yu Mincho", "Noto Serif JP", serif; }
.glyph-key { font-size: 1.5rem; font-weight: 600; }
.glyph-big { font-size: 3.4rem; line-height: 1.2; }
.glyph-cand { font-size: 2rem; }
.glyph-small { font-size: 1.3rem; }
.glyph-var {
  font-size: 1.35rem;
  padding: 0 .18em;
  border: 1px solid transparent;
  border-radius: 4px;
}
.glyph-inferred { border: 1px dashed var(--muted); }

.members { list-style: none; margin: .5rem 0 0; padding: 0; }
.members > li {
  padding: .35rem 0;
  border-top: 1px solid var(--line);
}
.member-line { font-size: 1.05rem; }

.normalized { display: block; font-size: .82rem; margin-top: .2rem; }
.kv-key {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: .78rem;
  color: var(--muted);
  margin-right: .45rem;
}
.kv-value { margin-right: .45rem; }
.kv-note { color: var(--muted); font-size: .82rem; }

.ok { color: var(--ok); font-size: .85rem; margin: .5rem 0 0; }

.warn {
  background: var(--warn-bg);
  border: 1px solid var(--warn-line);
  border-radius: var(--radius);
  padding: .55rem .75rem;
  margin: .45rem 0 .3rem;
}
.warn-head { margin: 0; font-size: .85rem; color: var(--warn-fg); }

.unresolved { list-style: none; margin: .4rem 0 0; padding: 0; }
.unresolved > li {
  display: flex;
  align-items: baseline;
  gap: .5rem;
  flex-wrap: wrap;
  padding: .2rem 0;
}
.reason, .via, .null-literal {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: .8rem;
  background: var(--chip-bg);
  border-radius: 4px;
  padding: .05rem .4rem;
}
.reason-text { font-size: .85rem; }
.where {
  font-size: .75rem;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  width: 100%;
}

.char-head { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }
.char-meta { min-width: 0; }
.char-cp {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: .82rem;
  color: var(--muted);
}
.char-via { display: flex; align-items: baseline; gap: .5rem; flex-wrap: wrap; }

.unique {
  display: flex;
  align-items: center;
  gap: .55rem;
  flex-wrap: wrap;
  border: 1px solid var(--line);
  border-left: 4px solid var(--ok);
  border-radius: var(--radius);
  padding: .5rem .8rem;
  margin: 1rem 0;
}
.unique-null {
  border-left-color: var(--warn-line);
  background: var(--warn-bg);
}
.unique-null .kv-note { color: var(--warn-fg); }

.candidates { list-style: none; margin: 0; padding: 0; }
.candidates > li {
  display: flex;
  align-items: center;
  gap: .8rem;
  padding: .45rem 0;
  border-top: 1px solid var(--line);
}
.cand-body { flex: 1; min-width: 0; }
.cand-cp {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: .75rem;
  color: var(--muted);
}
.cand-win {
  font-size: .75rem;
  color: var(--ok);
  border: 1px solid currentColor;
  border-radius: 999px;
  padding: 0 .5rem;
  white-space: nowrap;
}

.chips { display: inline-flex; flex-wrap: wrap; gap: .3rem; }
.chip {
  font-size: .76rem;
  background: var(--chip-bg);
  border-radius: 4px;
  padding: .05rem .45rem;
  line-height: 1.7;
}
.chip-none { color: var(--muted); }

.variants {
  margin-top: 1rem;
  padding-top: .7rem;
  border-top: 1px solid var(--line);
}
.variant-chars { display: inline-flex; flex-wrap: wrap; gap: .2rem; margin-right: .5rem; }

.panel-note h2 { margin-bottom: .6rem; }
.notes { margin: 0; padding-left: 1.2rem; }
.notes li { margin-bottom: .6rem; }

.install {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: .7rem .9rem;
  overflow-x: auto;
  font-size: .85rem;
  margin: 0 0 .8rem;
}

.page-foot {
  border-top: 1px solid var(--line);
  margin-top: 2.5rem;
  padding-top: 1.2rem;
  font-size: .85rem;
  color: var(--muted);
}
.page-foot h2 { font-size: .95rem; color: var(--fg); margin: 0 0 .5rem; }
.page-foot p { margin: 0 0 .6rem; }
.foot-meta { font-size: .8rem; }