/* TTS Furigana Arena — 土俵の横綱番付 */

.arena-page {
  --max: 82rem;
}

.arena-page .visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.arena-page .hint {
  margin: 0;
  font-size: 0.8rem;
  color: var(--muted);
}

.arena-hero {
  padding: 2.4rem 0 0.4rem;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(16rem, 0.7fr);
  gap: 2rem 3rem;
  align-items: end;
}

@media (max-width: 860px) {
  .arena-hero {
    grid-template-columns: 1fr;
  }
}

.arena-hero .eyebrow {
  margin: 0;
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

.arena-hero h1 {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(2.1rem, 5vw, 3.35rem);
  line-height: 1.22;
  margin: 0.4rem 0 0.85rem;
  letter-spacing: -0.02em;
}

.arena-hero h1 em {
  font-style: normal;
  color: var(--vermilion-deep);
  box-shadow: inset 0 -0.28em 0 color-mix(in oklab, var(--vermilion) 28%, transparent);
}

.arena-hero .lead {
  margin: 0;
  max-width: 42rem;
  color: var(--sumi-soft);
}

.as-of {
  margin: 0;
  font-size: 0.85rem;
  color: var(--muted);
  text-align: right;
}

.as-of strong {
  font-family: var(--display);
  font-size: 1.35rem;
  color: var(--vermilion-deep);
  display: block;
}

.dohyo {
  margin: 1.75rem 0 0.4rem;
  height: 3px;
  background:
    linear-gradient(
      90deg,
      transparent,
      var(--vermilion) 12%,
      var(--sumi) 50%,
      var(--vermilion) 88%,
      transparent
    );
  border: 0;
}

.composer {
  display: grid;
  gap: 0.85rem;
  padding: 0.2rem 0 1.2rem;
}

#source {
  width: 100%;
  min-height: 6.5rem;
  resize: vertical;
  font: inherit;
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--field-fg);
  background: var(--field-bg);
  border: 1px solid var(--line);
  padding: 0.85rem 1rem;
  border-radius: 2px;
}

#source:focus {
  outline: 2px solid color-mix(in oklab, var(--vermilion) 55%, transparent);
  outline-offset: 2px;
}

.samples {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.sample {
  font: inherit;
  font-size: 0.78rem;
  line-height: 1.45;
  text-align: left;
  max-width: 100%;
  color: var(--sumi-soft);
  background: transparent;
  border: 1px solid var(--line);
  padding: 0.28rem 0.55rem;
  cursor: pointer;
}

.sample:hover {
  color: var(--sumi);
  border-color: color-mix(in oklab, var(--vermilion) 45%, var(--line));
}

.engine-picks {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem 1.1rem;
  font-size: 0.92rem;
}

.engine-picks label {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  cursor: pointer;
}

.composer-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1.1rem;
}

#arena-status {
  margin: 0;
  font-size: 0.88rem;
  color: var(--muted);
}

#arena-status[data-state="ok"] {
  color: var(--ok);
}

#arena-status[data-state="err"] {
  color: var(--vermilion-deep);
}

.keys {
  border: 0;
  border-top: 1px dashed var(--line);
  padding: 0.65rem 0 0;
}

.keys summary {
  cursor: pointer;
  color: var(--muted);
  font-size: 0.88rem;
}

.keys .grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
  gap: 0.75rem 1.25rem;
  margin-top: 0.85rem;
}

.keys label {
  display: grid;
  gap: 0.25rem;
  font-size: 0.8rem;
  color: var(--muted);
}

.keys input,
.keys select {
  font: inherit;
  color: var(--field-fg);
  background: var(--field-bg);
  border: 1px solid var(--line);
  padding: 0.4rem 0.55rem;
}

.keys .hint {
  margin: 0.7rem 0 0;
  font-size: 0.8rem;
  color: var(--muted);
}

#stage {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(16.5rem, 1fr));
  gap: 0;
  border-top: 1px solid var(--line);
  margin: 0.4rem 0 2rem;
}

.bout {
  padding: 1.15rem 1.05rem 1.25rem;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  min-height: 9rem;
}

.bout:nth-child(odd) {
  background: color-mix(in oklab, var(--elevated) 70%, transparent);
}

.bout header {
  display: flex;
  justify-content: space-between;
  gap: 0.6rem;
  align-items: baseline;
  margin-bottom: 0.7rem;
}

.bout header strong {
  font-family: var(--display);
  font-size: 1.05rem;
  font-weight: 600;
}

.bout header span {
  font-size: 0.72rem;
  color: var(--muted);
  text-align: right;
}

.bout .wait,
.bout .err {
  margin: 0;
  font-size: 0.88rem;
  color: var(--muted);
}

.bout .err {
  color: var(--vermilion-deep);
}

.bout .ruby-line {
  font-size: clamp(1.05rem, 2vw, 1.28rem);
  line-height: 2.05;
  font-weight: 500;
}

.bout ruby {
  ruby-position: over;
}

.bout rt {
  font-size: 0.48em;
  font-weight: 600;
}

.bout .kana {
  margin: 0.65rem 0 0;
  font-size: 0.78rem;
  color: var(--muted);
  word-break: break-all;
}

.bout.dissent {
  box-shadow: inset 0 -3px 0 var(--vermilion);
}

.bout.dissent header strong {
  color: var(--vermilion-deep);
}

.research {
  padding: 0.5rem 0 2.5rem;
}

.research h2 {
  font-family: var(--display);
  font-size: 1.55rem;
  margin: 0 0 0.4rem;
}

.research > .sub {
  margin: 0 0 1.1rem;
  color: var(--sumi-soft);
  max-width: 48rem;
}

#research-rows {
  display: grid;
  gap: 0;
}

.research-row {
  display: grid;
  grid-template-columns: minmax(10rem, 0.9fr) minmax(12rem, 1.1fr) minmax(0, 1.4fr);
  gap: 0.6rem 1.2rem;
  padding: 0.85rem 0;
  border-top: 1px solid var(--line);
  align-items: start;
}

.research-row h3 {
  margin: 0;
  font-size: 1.02rem;
  font-family: var(--display);
}

.research-row .maker,
.research-row .score,
.research-row .note {
  margin: 0;
  font-size: 0.86rem;
}

.research-row .score {
  color: var(--sumi);
}

.research-row .maker,
.research-row .note {
  color: var(--muted);
}

@media (max-width: 720px) {
  .research-row {
    grid-template-columns: 1fr;
    gap: 0.2rem;
  }

  .as-of {
    text-align: left;
  }
}