.settings { display: flex; flex-wrap: wrap; gap: 20px 32px; }
.check { display: inline-flex; align-items: center; gap: 10px; min-height: 44px; cursor: pointer; }
.check input { width: 20px; height: 20px; accent-color: var(--accent); }

.live { display: flex; gap: 32px; margin-bottom: 12px; }
.live .v { font-size: 1.6rem; }

.text-box {
  position: relative; border: 2px solid var(--line-strong); border-radius: 12px; background: var(--surface);
  height: calc(1.9em * 3 + 36px); overflow: hidden; padding: 16px; cursor: text;
  font-size: clamp(1.25rem, 2.6vw, 1.6rem);
}
.text-box:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; }
.text-box.active { border-color: var(--accent); }
.text { line-height: 1.9; font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace; letter-spacing: .02em; word-break: break-word; }
.text span { border-bottom: 3px solid transparent; }
.text .w { white-space: nowrap; }
.show-hands .text .L { border-bottom-color: var(--left); }
.show-hands .text .R { border-bottom-color: var(--right); }
.text .done { color: var(--muted); border-bottom-color: transparent !important; }
.text .cur { background: var(--surface-2); outline: 2px solid var(--accent); border-radius: 3px; }
.text .err { background: color-mix(in srgb, var(--error) 22%, transparent); outline-color: var(--error); }
.focus-cover {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  background: color-mix(in srgb, var(--surface) 82%, transparent); font-weight: 700; color: var(--ink);
  font-size: 1.1rem; text-align: center; padding: 16px;
}
.text-box.active .focus-cover, .text-box.running .focus-cover { display: none; }

.legend { margin: 8px 0 16px; }

.headline { font-size: 1.25rem; font-weight: 700; margin: 0; }
.hands { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.hand-card { border: 1px solid var(--line); border-radius: 12px; padding: 16px; background: var(--surface); }
.hand-card.l { border-top: 5px solid var(--left); }
.hand-card.r { border-top: 5px solid var(--right); }
.hand-card .stats { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.hand-card .stat .v { font-size: 1.5rem; }

.kb { display: flex; flex-direction: column; gap: 6px; align-items: flex-start; overflow-x: auto; padding-bottom: 4px; }
.kb-row { display: flex; gap: 6px; }
.kb-row:nth-child(2) { margin-left: 22px; }
.kb-row:nth-child(3) { margin-left: 50px; }
.key {
  width: 52px; height: 56px; border-radius: 8px; display: flex; flex-direction: column; align-items: center; justify-content: center;
  border: 2px solid transparent; font-variant-numeric: tabular-nums; flex: none;
}
.key b { font-size: 1.05rem; line-height: 1; }
.key small { font-size: .75rem; line-height: 1.2; }
.key.L { border-bottom-color: var(--left); }
.key.R { border-bottom-color: var(--right); }
.key.none { background: var(--surface-2); color: var(--muted); }
.key.h1 { background: var(--heat-1); color: var(--heat-ink-dark); }
.key.h2 { background: var(--heat-2); color: var(--heat-ink-dark); }
.key.h3 { background: var(--heat-3); color: var(--heat-ink-dark); }
.key.h4 { background: var(--heat-4); color: var(--heat-ink-light); }
.key.h5 { background: var(--heat-5); color: var(--heat-ink-light); }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .key.h1, :root:not([data-theme="light"]) .key.h2 { color: var(--heat-ink-light); }
  :root:not([data-theme="light"]) .key.h3, :root:not([data-theme="light"]) .key.h4, :root:not([data-theme="light"]) .key.h5 { color: var(--heat-ink-dark); }
}
@media (max-width: 560px) {
  .key { width: 30px; height: 48px; border-radius: 6px; }
  .key small { font-size: .62rem; }
  .kb-row { gap: 3px; }
  .kb-row:nth-child(2) { margin-left: 12px; }
  .kb-row:nth-child(3) { margin-left: 28px; }
}

.explain summary { cursor: pointer; font-weight: 700; min-height: 44px; display: flex; align-items: center; }
.explain ul { margin: 8px 0 0; padding-left: 20px; }
.explain li { margin-bottom: 6px; }

.hist-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.hist-head h2 { margin: 0; }