/* Rounds and the end-of-board summary. */
.round-head {
  display: flex; flex-direction: column; gap: 12px; margin: 0 0 22px; padding: 16px 18px; border-radius: 20px;
  background: var(--tone-bg); color: var(--tone-fg);
}
.rh-text { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; }
.rh-step { font-size: 13px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.rh-name { font: 800 26px/1 var(--font-display); letter-spacing: -.03em; order: -1; }
.segbar { display: flex; gap: 6px; }
.segbar span { flex: 1; height: 8px; border-radius: 99px; background: color-mix(in srgb, var(--tone-fg) 18%, transparent); }
.segbar .done { background: var(--tone-fg); }
.segbar .now { background: color-mix(in srgb, var(--tone-fg) 55%, transparent); }
.prompt { font: 800 26px/1.2 var(--font-display); letter-spacing: -.02em; color: var(--ink); margin: 0 0 18px; }

.word-row { display: flex; flex-wrap: wrap; gap: 10px; margin: 0 0 20px; }
.word-chip { font: 800 26px var(--font-display); letter-spacing: -.01em; padding: 10px 18px; background: var(--muted); border: 0; border-radius: 16px; }

.choices { display: grid; gap: 10px; }
.choices.two, .choices.four { grid-template-columns: 1fr 1fr; }
.choice {
  font: 700 18px var(--font-sans); text-align: left; min-height: 58px; padding: 14px 18px;
  border: 2px solid var(--border); border-bottom-width: 5px; border-radius: 16px; background: var(--card); color: var(--fg); cursor: pointer;
}
.choice.word { text-align: center; font: 800 22px var(--font-display); letter-spacing: -.01em; min-height: 72px; }
.choice:hover:not(:disabled) { border-color: var(--primary); }
.choice.right { border-color: var(--good); background: var(--good-bg); color: var(--good); }
.choice.wrong { border-color: var(--miss); background: var(--miss-bg); color: var(--miss); }
.choice.dim { opacity: .5; }
.choice:disabled { cursor: default; }

.sentences { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.sentence { background: var(--card); border: 2px solid var(--border); border-radius: 18px; padding: 16px 18px; box-shadow: var(--shadow); }
.sentence p { margin: 0; font: 400 19px/2 var(--font-serif); }
.sentence.is-wrong { border-color: color-mix(in srgb, var(--miss) 45%, transparent); }
.sentence .why { font-size: 15px; line-height: 1.5; margin-top: 8px; color: var(--muted-fg); }
.sentence .why.miss b { color: var(--miss); }
.tag { display: inline-block; font-size: 12px; font-weight: 600; color: var(--root-fg); background: var(--root-bg); border-radius: 99px; padding: 1px 8px; margin-bottom: 6px; }

.slot {
  display: inline-block; vertical-align: baseline; min-width: 7.5em; min-height: 44px; padding: 2px 12px;
  font: 700 17px var(--font-sans); color: var(--fg); background: var(--muted);
  border: 2px dashed color-mix(in srgb, var(--muted-fg) 60%, transparent); border-radius: 10px; cursor: pointer;
}
.slot.filled { background: var(--tone-blue); color: var(--tone-blue-fg); border-style: solid; border-color: var(--primary); }
.slot.typed { cursor: text; width: 9em; }
.slot.typed::placeholder { color: var(--muted-fg); font-weight: 400; }
.slot.right { background: var(--good-bg); color: var(--good); border-color: var(--good); }
.slot.wrong { background: var(--miss-bg); color: var(--miss); border-color: var(--miss); text-decoration: line-through; }

.tray {
  display: flex; flex-wrap: wrap; gap: 10px; margin: 22px 0 6px; padding: 14px; border-radius: 20px;
  background: var(--muted);
}
.tile {
  font: 800 19px var(--font-display); letter-spacing: -.01em; min-height: 52px; padding: 8px 18px; border-radius: 14px;
  border: 2px solid var(--border); border-bottom-width: 5px; background: var(--card); color: var(--ink); cursor: pointer;
}
.hint { font-size: 14px; color: var(--muted-fg); margin: 4px 0 0; }

.duel-sentence { font: 400 22px/1.6 var(--font-serif); margin: 0 0 22px; padding: 20px 22px; background: var(--card); border: 2px solid var(--border); border-radius: 18px; box-shadow: var(--shadow); }
.gap { display: inline-block; min-width: 5em; text-align: center; border-radius: 8px; background: var(--tone-teal); color: var(--tone-teal-fg); font: 800 18px var(--font-display); }
.defs { margin: 12px 0 0; display: grid; gap: 8px; }
.defs div { padding: 8px 12px; border-radius: var(--radius); background: var(--card); }
.defs div.win { outline: 2px solid var(--good); }
.defs dt { font-weight: 700; }
.defs dd { margin: 0; }

.summary .score { font-size: 18px; }
.map { list-style: none; margin: 16px 0 0; padding: 0; display: grid; gap: 10px; }
.map-word { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 12px 16px; }
.map-word p { margin: 4px 0 0; }
.map-word .muted { font-size: 15px; }
.map-top { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; font-size: 19px; }
.pos { font-size: 13px; color: var(--muted-fg); font-style: italic; }
.next { margin-left: auto; font-size: 13px; color: var(--muted-fg); }
.share { margin: 24px 0 0; display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.share pre { margin: 0; font: 15px/1.5 var(--font-sans); background: var(--muted); padding: 10px 14px; border-radius: var(--radius); white-space: pre-wrap; }
.provenance { margin-top: 24px; border-top: 1px solid var(--border); padding-top: 12px; }
.provenance summary { cursor: pointer; font-weight: 600; min-height: 44px; display: flex; align-items: center; }
.provenance p, .provenance li { font-size: 15px; }

@media (max-width: 480px) {
  .choices.four { grid-template-columns: 1fr 1fr; }
  .sentence p { font-size: 17px; }
  .prompt { font-size: 20px; }
}
@media (prefers-reduced-motion: no-preference) {
  .feedback { animation: rise .2s ease-out; }
  @keyframes rise { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }
}

/* The dock: the round's next action, pinned to the bottom of the screen so it is never below the fold. */
.dock {
  position: sticky; bottom: 0; z-index: 5; margin: 18px -16px 0; padding: 10px 16px calc(12px + env(safe-area-inset-bottom));
  background: color-mix(in srgb, var(--bg) 92%, transparent); backdrop-filter: blur(10px);
  border-top: 1px solid var(--border);
}
.dock .btn.primary { margin-top: 8px; width: 100%; }
.dock .tray { margin: 0; }
.dock .hint { margin: 8px 0 0; text-align: center; min-height: 1.4em; }
@media (max-width: 480px) {
  .dock .tray { padding: 8px; gap: 8px; }
  .dock .tile { min-height: 46px; font-size: 17px; padding: 6px 14px; }
}
.slot.active { outline: 3px solid var(--primary); outline-offset: 2px; background: var(--tone-blue); border-style: solid; border-color: var(--primary); }
.slot.active.filled { background: var(--tone-blue); }
@media (prefers-reduced-motion: no-preference) {
  .slot.active { transition: outline-offset .15s var(--ease); }
}