/* Treasure Detective. Builds on styles.css (tokens, buttons, header) and theme.css (dark mode). */
.td { background: var(--tint); min-height: 100vh; min-height: 100dvh; }
.td-main { padding: 20px 0 48px; }
.pix { image-rendering: pixelated; image-rendering: crisp-edges; }
.td .logo img { width: 40px; height: 40px; }
.td-top .logo { position: static; transform: none; }
.td-top .top__actions { gap: 8px; }
@media (max-width: 520px) { .td .logo__word { display: none; } }

.td-gems { display: inline-flex; align-items: center; gap: 6px; padding: 7px 12px; border-radius: 999px; background: var(--bg); border: 2px solid var(--line); font-weight: 900; }
.td-gems canvas { width: 20px; height: 20px; }
.td-icon { display: grid; place-items: center; width: 42px; height: 42px; flex: none; border-radius: 12px; cursor: pointer; border: 2px solid var(--line); background: transparent; color: var(--ink); }
.td-icon:hover { border-color: var(--blue); color: var(--blue-text); }
.td .lang select { max-width: 110px; }

.td-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin-top: 18px; }
.td-row--c { justify-content: center; }
.td-big { font-size: 1.35rem; padding: 20px 46px; border-radius: 18px; }
.td-skilltag { display: inline-block; padding: 4px 10px; border-radius: 999px; background: rgba(138, 92, 245, .14); color: #6a3fd6; font-weight: 800; font-size: .85rem; }

/* Title */
.td-title__inner { display: grid; grid-template-columns: 1fr 1.1fr; gap: 32px; align-items: center; min-height: 60vh; }
.td-title__art { position: relative; aspect-ratio: 1; max-width: 440px; width: 100%; margin: auto; border-radius: 32px;
  background: linear-gradient(180deg, #7cc4f5 0 55%, #2e8bd8 55% 100%); box-shadow: var(--shadow); overflow: hidden; }
.td-title__art::before { content: ""; position: absolute; left: 12%; right: 12%; top: 48%; height: 20%; border-radius: 10px; background: #5fae3b; box-shadow: 0 18px 0 #8a5a35; }
.td-title__chest { position: absolute; width: 34%; left: 50%; top: 32%; animation: td-bob 2.4s ease-in-out infinite; }
.td-title__hero { position: absolute; width: 21%; left: 22%; top: 24%; animation: td-bob 2s ease-in-out infinite .3s; }
.td-title__parrot { position: absolute; width: 18%; right: 10%; top: 8%; animation: td-bob 1.6s ease-in-out infinite .6s; }
@keyframes td-bob { 50% { transform: translateY(-8px); } }
.td-title h1 { font-size: clamp(2.4rem, 6vw, 4rem); color: var(--indigo); letter-spacing: -.02em; }
.td-lead { font-size: 1.2rem; color: var(--ink-2); max-width: 34em; }
.td-tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 12px; }
.td-tag { display: inline-flex; align-items: center; gap: 6px; padding: 6px 12px; border-radius: 999px; background: var(--bg); border: 2px solid var(--line); font-weight: 800; font-size: .9rem; }
.td-tag--skill { background: rgba(138, 92, 245, .14); border-color: transparent; color: #6a3fd6; }
.td-free { display: flex; align-items: center; gap: 8px; margin-top: 18px; font-weight: 700; color: var(--ink-2); }
.td-parents { margin-top: 28px; max-width: 760px; }
@media (max-width: 820px) {
  .td-title__inner { grid-template-columns: 1fr; text-align: center; gap: 18px; min-height: 0; }
  .td-title__art { max-width: 300px; }
  .td-tags, .td-row, .td-free { justify-content: center; }
  .td-parents { text-align: center; }
}

/* Map */
.td-map__head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 16px; }
.td-map__head h1 { margin: 0; color: var(--indigo); }
.td-worlds { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
@media (max-width: 960px) { .td-worlds { grid-template-columns: 1fr; } }
.td-world { border-radius: var(--radius); padding: 18px; background: var(--bg); border: 2px solid var(--line); box-shadow: var(--shadow); }
.td-world--meadow { background: linear-gradient(180deg, #e9f8e1, var(--bg) 60%); }
.td-world--desert { background: linear-gradient(180deg, #fff3d6, var(--bg) 60%); }
.td-world--snow { background: linear-gradient(180deg, #e8f1ff, var(--bg) 60%); }
.td-world__head { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.td-world__head h2 { margin: 0 0 4px; font-size: 1.3rem; }
.td-world__block { width: 52px; height: 52px; border-radius: 8px; box-shadow: 0 4px 0 rgba(0,0,0,.2); }
.td-levels { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.td-lvl { display: grid; justify-items: center; gap: 4px; padding: 12px 6px 8px; border-radius: 16px; border: 2px solid var(--line); background: var(--bg);
  font: 900 1.4rem var(--font); color: var(--ink); cursor: pointer; box-shadow: 0 4px 0 var(--line); transition: transform .12s; }
.td-lvl:hover:not(:disabled) { transform: translateY(-2px); border-color: var(--blue); }
.td-lvl:disabled { cursor: not-allowed; opacity: .55; }
.td-lvl.is-done { border-color: var(--green); box-shadow: 0 4px 0 var(--green-dark); }
.td-lvl__stars { display: flex; gap: 2px; min-height: 18px; }
.td-star { width: 18px; height: 18px; }
.td-star--off { opacity: .22; filter: grayscale(1); }
.td-bonus { margin-top: 22px; text-align: center; }
.td-bonus .btn { display: inline-flex; align-items: center; gap: 10px; }
.td-btnart { width: 30px; height: auto; }
.td-dim { opacity: .5; filter: grayscale(1); }
.td-locked, .td-alldone { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; color: var(--ink-2); }

/* Level */
.td-hud { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.td-hud__title { margin: 0; font-size: 1.25rem; flex: 1; text-align: center; }
.td-hud__stars { display: flex; gap: 4px; }
.td-hud__stars .td-star { width: 24px; height: 24px; }
.td-stage { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(300px, 1fr); gap: 18px; align-items: start; }
.td-board { position: relative; width: 100%; aspect-ratio: 720 / 600; border-radius: 24px; overflow: hidden; background: #2e8bd8; box-shadow: var(--shadow); touch-action: manipulation; }
.td-board:focus-visible { outline: 4px solid var(--orange); outline-offset: 3px; }
.td-board canvas { display: block; }
.td-panel { background: var(--bg); border: 2px solid var(--line); border-radius: var(--radius); padding: 16px; box-shadow: var(--shadow); }
@media (max-width: 900px) {
  .td-stage { grid-template-columns: 1fr; }
  .td-hud__title { font-size: 1.05rem; }
  .td-keys { display: none; }
  .pq-pad { grid-template-columns: repeat(3, 56px); grid-template-rows: repeat(2, 48px); margin: 10px 0 8px; }
}
/* Fast taps on game buttons never zoom the page (iOS double-tap zoom). */
.td button, .td a { touch-action: manipulation; }
.td-coach { display: flex; gap: 10px; align-items: flex-start; padding: 12px; border-radius: 16px; background: var(--tint); min-height: 74px; }
.td-coach img { flex: none; }
.td-coach p { margin: 0; font-weight: 700; }
.td-coach--bad { background: #ffe9ea; }
.td-coach--good { background: #e3f7ec; }
.td-tools { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin: 14px 0; }
.td-tool { display: flex; align-items: center; justify-content: center; gap: 10px; padding: 12px; border-radius: 16px; cursor: pointer;
  font: 900 1.1rem var(--font); border: 3px solid var(--line); background: var(--bg); color: var(--ink); box-shadow: 0 4px 0 var(--line); }
.td-tool canvas { width: 30px; height: 30px; }
.td-tool[aria-pressed="true"] { border-color: var(--blue); background: rgba(47, 111, 224, .12); box-shadow: 0 4px 0 var(--blue-dark); }
.td-tool--dig[aria-pressed="true"] { border-color: var(--green); background: rgba(76, 182, 138, .15); box-shadow: 0 4px 0 var(--green-dark); }
.td-panel__h { font-size: 1.05rem; margin: 6px 0 8px; }
.td-clues { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.td-clue { display: flex; align-items: center; gap: 10px; padding: 10px; border-radius: 14px; border: 2px solid var(--line); background: var(--bg); font-weight: 700; }
.td-clue__n { flex: none; display: grid; place-items: center; width: 28px; height: 28px; border-radius: 50%; background: var(--blue); color: #fff; font-weight: 900; }
.td-clue__icon { position: relative; flex: none; display: flex; align-items: center; gap: 2px; width: 44px; justify-content: center; }
.td-clue__icon img { width: 32px; height: 32px; object-fit: contain; }
.td-clue--neg .td-clue__icon::after { content: ""; position: absolute; left: 4px; right: 4px; top: 50%; height: 4px; border-radius: 2px; background: var(--red); transform: rotate(-45deg); box-shadow: 0 0 0 2px #fff; }
.td-dir { position: absolute; right: -4px; bottom: -6px; font-style: normal; font-weight: 900; color: var(--blue-text); background: var(--bg); border-radius: 6px; padding: 0 2px; line-height: 1.1; }
.td-edgeicon { display: block; width: 30px; height: 30px; border-radius: 6px; border: 7px solid #5fae3b; background: #e7eef9; }
.td-clue.is-flash { animation: td-flash 1.4s ease; }
@keyframes td-flash {
  0%, 100% { border-color: var(--line); }
  10%, 50% { border-color: var(--orange); background: #fff6dc; transform: translateX(0); }
  15%, 25% { transform: translateX(-4px); } 20%, 30% { transform: translateX(4px); }
}
.td-source { display: flex; align-items: center; gap: 8px; margin: 2px 0; font-size: .9rem; font-weight: 800; color: var(--ink-2); list-style: none; }
.td-source img { width: 22px; height: 22px; }
.td-rumor { margin-top: 12px; }
.td-clue--rumor { border-style: dashed; border-color: #e5484d; background: #fff6f6; }
.td-clue--rumor .td-clue__n { background: #e5484d; }
.td-note { margin: 10px 0 0; font-size: .9rem; color: var(--ink-2); font-weight: 700; }
.td-meta { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-top: 14px; font-weight: 700; }
.td-meta .btn { display: inline-flex; align-items: center; gap: 6px; }
.td-keys { margin: 12px 0 0; }

/* Modal */
.td-modal { position: fixed; inset: 0; z-index: 50; display: grid; place-items: center; padding: 16px; background: rgba(13, 21, 48, .6); }
.td-modal__card { width: min(520px, 100%); max-height: calc(100vh - 32px); max-height: calc(100dvh - 32px); overflow: auto; background: var(--bg); color: var(--ink); border-radius: 26px; padding: 26px 22px; box-shadow: 0 20px 60px rgba(0,0,0,.35); animation: td-pop .25s ease; }
@keyframes td-pop { from { transform: scale(.9); opacity: 0; } }
.td-modal h2 { margin: 6px 0 8px; color: var(--indigo); }
.td-win, .td-info, .td-explorers { text-align: center; }
.td-win__chest { width: 110px; margin: 0 auto; }
.td-win__stars { display: flex; justify-content: center; gap: 8px; margin: 6px 0; }
.td-win__stars .td-star { width: 46px; height: 46px; animation: td-pop .4s ease backwards; }
.td-win__stars .td-star:nth-child(2) { animation-delay: .15s; }
.td-win__stars .td-star:nth-child(3) { animation-delay: .3s; }
.td-win__gems { display: inline-flex; align-items: center; gap: 6px; font-weight: 900; font-size: 1.15rem; margin: 4px 0; }
.td-win__gems img { width: 24px; }
.td-unlock { display: flex; align-items: center; justify-content: center; gap: 10px; font-weight: 800; background: #fff6dc; border-radius: 14px; padding: 8px; }
.td-unlock__img { width: 30px; }
.td-reflect { margin-top: 14px; padding: 14px; border-radius: 18px; background: var(--tint); }
.td-reflect .td-row { margin-top: 10px; }
.td-q { display: flex; align-items: center; justify-content: center; gap: 8px; margin: 0; font-weight: 800; }
.td-q img { width: 30px; }
.td-num { min-width: 52px; }
.td-reflect .btn[aria-pressed="true"] { border-color: var(--blue); background: rgba(47, 111, 224, .12); }
.td-reflect__a { margin: 10px 0 0; font-weight: 800; color: var(--green-dark); min-height: 1.5em; }
.td-steps { list-style: none; padding: 0; margin: 14px 0 0; display: grid; gap: 10px; text-align: left; }
.td-steps li { display: flex; align-items: center; gap: 12px; padding: 10px; border-radius: 14px; background: var(--tint); font-weight: 700; }
.td-steps img { width: 40px; flex: none; }
.td-info > img:first-child { margin: 0 auto; }
.td-info__block { width: 64px; margin: 0 auto; border-radius: 10px; }
.td-info__parrot { width: 54px; margin: 8px auto 0; }
.td-tip { font-size: 1.1rem; font-weight: 700; margin: 12px 0 0; }
.td-explorers__gems { display: inline-flex; align-items: center; gap: 6px; font-weight: 900; margin: 0 0 12px; }
.td-explorers__gems img { width: 22px; }
.td-skins { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.td-skin { display: grid; justify-items: center; gap: 6px; padding: 12px 8px; border-radius: 18px; border: 2px solid var(--line); }
.td-skin.is-on { border-color: var(--green); background: rgba(76, 182, 138, .1); }
.td-skin.is-locked .td-skin__img { filter: brightness(0) opacity(.35); }
.td-skin__img { width: 48px; }
.td-skin__need { display: flex; align-items: center; gap: 4px; font-size: .8rem; font-weight: 700; color: var(--ink-2); }
@media (max-width: 420px) { .td-skins { grid-template-columns: repeat(2, 1fr); } }

.td-toast { position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%); z-index: 60; background: var(--ink); color: var(--bg); padding: 12px 18px; border-radius: 14px; font-weight: 800; }

@media (prefers-reduced-motion: reduce) {
  .td-title__art canvas, .td-clue.is-flash, .td-modal__card, .td-win__stars .td-star { animation: none; }
}

/* Dark mode */
[data-theme="dark"] .td { background: var(--bg); }
[data-theme="dark"] .td-title h1, [data-theme="dark"] .td-map__head h1, [data-theme="dark"] .td-modal h2 { color: #fff; }
[data-theme="dark"] .td-world--meadow { background: linear-gradient(180deg, #1c3a2a, var(--surface) 60%); }
[data-theme="dark"] .td-world--desert { background: linear-gradient(180deg, #3a3217, var(--surface) 60%); }
[data-theme="dark"] .td-world--snow { background: linear-gradient(180deg, #1d2d55, var(--surface) 60%); }
[data-theme="dark"] .td-world, [data-theme="dark"] .td-panel, [data-theme="dark"] .td-lvl, [data-theme="dark"] .td-clue,
[data-theme="dark"] .td-tool, [data-theme="dark"] .td-gems, [data-theme="dark"] .td-tag, [data-theme="dark"] .td-modal__card { background: var(--surface); border-color: var(--line); }
[data-theme="dark"] .td-lvl { box-shadow: 0 4px 0 var(--line); }
[data-theme="dark"] .td-lvl.is-done { border-color: var(--green); box-shadow: 0 4px 0 var(--green-dark); }
[data-theme="dark"] .td-coach, [data-theme="dark"] .td-reflect, [data-theme="dark"] .td-steps li { background: var(--tint); }
[data-theme="dark"] .td-coach--bad { background: #4a1f25; }
[data-theme="dark"] .td-coach--good { background: #173d2c; }
[data-theme="dark"] .td-skilltag, [data-theme="dark"] .td-tag--skill { background: rgba(138, 92, 245, .25); color: #c9b3ff; }
[data-theme="dark"] .td-clue--rumor { background: #3a1d22; border-color: #e5484d; }
[data-theme="dark"] .td-dir { background: var(--surface); color: #8ab4ff; }
[data-theme="dark"] .td-unlock { background: #3a3317; }
[data-theme="dark"] .td-clue.is-flash { animation-name: td-flash-dark; }
@keyframes td-flash-dark { 10%, 50% { border-color: var(--orange); background: #3a3317; } 15%, 25% { transform: translateX(-4px); } 20%, 30% { transform: translateX(4px); } }
[data-theme="dark"] .td-reflect__a { color: #7fdcb2; }

/* Shared: age groups, read aloud, back link */
.td-back { display: inline-block; padding: 10px 0; margin: -10px 0 0; font-weight: 800; text-decoration: none; } /* 44px tap height for kids */
.td-bands { display: inline-flex; gap: 6px; padding: 5px; margin: 14px 0 4px; border-radius: 999px; background: var(--bg); border: 2px solid var(--line); }
.td-band { border: 0; border-radius: 999px; padding: 9px 16px; font: 800 1rem var(--font); background: transparent; color: var(--ink-2); cursor: pointer; }
.td-band[aria-pressed="true"] { background: var(--blue); color: #fff; }
.td-bands--big .td-band { font-size: 1.15rem; padding: 12px 22px; }
.td-map .td-bands { margin: 0 0 16px; }
.td-say { flex: none; display: grid; place-items: center; width: 34px; height: 34px; margin-left: auto; border-radius: 50%; border: 2px solid var(--line); background: var(--bg); color: var(--blue-text); cursor: pointer; }
.td-say:hover { border-color: var(--blue); }
.td-steps .td-say { margin-left: auto; }
.td-info > .td-say { margin: 8px auto 0; }
.a4k-blocked .td-board { filter: grayscale(.6); }
@media (max-width: 820px) { .td-bands { margin-inline: auto; } }

/* Plan Quest panel */
.pq-keynote { display: flex; align-items: center; gap: 8px; margin: 12px 0 0; padding: 8px 12px; border-radius: 14px; background: #fff6dc; font-weight: 800; }
.pq-keynote canvas { width: 28px; height: 28px; }
.pq-planhead { display: flex; align-items: baseline; justify-content: space-between; gap: 8px; margin-top: 12px; }
.pq-guess { margin: 0 0 4px; font-weight: 700; }
.pq-guess:empty { display: none; }
.pq-plan { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(42px, 1fr)); gap: 6px; }
.pq-step { position: relative; display: grid; place-items: center; width: 100%; aspect-ratio: 1; border-radius: 12px; border: 2px solid var(--blue); background: rgba(47, 111, 224, .1); color: var(--blue-text); cursor: pointer; padding: 6px; }
.pq-step svg { width: 100%; height: 100%; }
.pq-step i { position: absolute; top: 1px; left: 4px; font: 800 .65rem var(--font); font-style: normal; color: var(--ink-2); }
.pq-step--empty { border-style: dashed; border-color: var(--line); background: transparent; cursor: default; }
.pq-step.is-now { background: #ffd23f; border-color: #f5b700; color: #12224a; transform: scale(1.08); }
.pq-step.is-bad { background: #ffe9ea; border-color: var(--red); color: var(--red); animation: td-flash 1.4s ease; }
.pq-pad { display: grid; grid-template-columns: repeat(3, 64px); grid-template-rows: repeat(2, 56px); gap: 8px; justify-content: center; margin: 14px 0 10px; }
.pq-dir { display: grid; place-items: center; border-radius: 16px; border: 3px solid var(--line); background: var(--bg); color: var(--indigo); cursor: pointer; box-shadow: 0 4px 0 var(--line); padding: 8px; }
.pq-dir svg { width: 32px; height: 32px; }
.pq-dir:active { transform: translateY(2px); box-shadow: 0 2px 0 var(--line); }
.pq-dir--up { grid-column: 2; grid-row: 1; }
.pq-dir--left { grid-column: 1; grid-row: 2; }
.pq-dir--down { grid-column: 2; grid-row: 2; }
.pq-dir--right { grid-column: 3; grid-row: 2; }
.pq-actions { display: flex; gap: 8px; align-items: center; }
.pq-go { margin-left: auto; font-size: 1.15rem; padding: 14px 26px; }
.pq-ask__hero { width: 54px; margin: 0 auto; }
.pq-nums { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin-top: 14px; }
.pq-num { min-width: 56px; font-size: 1.2rem; }
.pq-faces { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 14px; }
.pq-face { display: grid; justify-items: center; gap: 6px; padding: 12px 6px; border-radius: 18px; border: 2px solid var(--line); background: var(--bg); color: var(--ink); font: 800 .95rem var(--font); cursor: pointer; }
.pq-face svg { width: 56px; height: 56px; }
.pq-face:hover { border-color: var(--blue); }
.pq-cal { font-weight: 800; margin: 10px 0 4px; }
.pq-est { margin: 4px 0; font-weight: 700; color: var(--ink-2); }
.pq-reflect { display: grid; gap: 8px; margin-top: 10px; }
.pq-reflect .btn[aria-pressed="true"] { border-color: var(--blue); background: rgba(47, 111, 224, .12); }

/* Games page */
.hub__head { text-align: center; margin-bottom: 18px; }
.hub__head h1 { font-size: clamp(2.2rem, 5vw, 3.4rem); color: var(--indigo); margin-bottom: 6px; }
.hub__head .td-lead { margin: 0 auto; }
.hub__games { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; margin-bottom: 18px; }
@media (max-width: 820px) { .hub__games { grid-template-columns: 1fr; } }
.hub__card { display: grid; grid-template-rows: auto 1fr; border-radius: 26px; overflow: hidden; background: var(--bg); border: 2px solid var(--line); box-shadow: var(--shadow); }
.hub__art { position: relative; height: 180px; background: linear-gradient(180deg, #7cc4f5 0 58%, #2e8bd8 58% 100%); }
.hub__card--pq .hub__art { background: linear-gradient(180deg, #ffd9a0 0 58%, #2e8bd8 58% 100%); }
.hub__art::before { content: ""; position: absolute; left: 18%; right: 18%; top: 54%; height: 18%; border-radius: 8px; background: #5fae3b; box-shadow: 0 12px 0 #8a5a35; }
.hub__card--pq .hub__art::before { background: #ead392; }
.hub__card--rv .hub__art, .hub__card--rs .hub__art { background: linear-gradient(180deg, #8fd3ff 0 58%, #c9ecff 58% 100%); }
.hub__card--rv .hub__art::before, .hub__card--rs .hub__art::before { left: 8%; right: 56%; background: #5fb33b; box-shadow: 0 12px 0 #8a5a35, 0 0 0 0 transparent; }
.hub__card--rv .hub__art::after, .hub__card--rs .hub__art::after { content: ""; position: absolute; left: 56%; right: 8%; top: 54%; height: 18%; border-radius: 8px; background: #5fb33b; box-shadow: 0 12px 0 #8a5a35; }
.hub__card--rv .hub__a1, .hub__card--rv .hub__a2, .hub__card--rs .hub__a1, .hub__card--rs .hub__a2 { z-index: 1; }
.hub__a1 { position: absolute; width: 70px; left: 54%; top: 26%; }
.hub__hero { position: absolute; width: 46px; left: 32%; top: 18%; }
.hub__a2 { position: absolute; width: 48px; right: 12%; top: 8%; animation: td-bob 1.8s ease-in-out infinite; }
.hub__body { padding: 18px 20px 22px; }
.hub__body h2 { font-size: 1.7rem; margin: 4px 0 6px; color: var(--indigo); }
.hub__body p { margin: 0 0 10px; color: var(--ink-2); }
.hub__body .td-big { display: inline-block; margin-top: 6px; }
.hub__free { justify-content: center; }
.hub .td-parents { margin: 18px auto 0; text-align: center; }

[data-theme="dark"] .td-bands, [data-theme="dark"] .td-say, [data-theme="dark"] .pq-dir, [data-theme="dark"] .pq-face, [data-theme="dark"] .hub__card { background: var(--surface); border-color: var(--line); }
[data-theme="dark"] .pq-dir { color: #8ab4ff; box-shadow: 0 4px 0 var(--line); }
[data-theme="dark"] .pq-keynote { background: #3a3317; }
[data-theme="dark"] .pq-step { color: #8ab4ff; }
[data-theme="dark"] .pq-step.is-bad { background: #4a1f25; color: #ff8a8f; }
[data-theme="dark"] .hub__head h1, [data-theme="dark"] .hub__body h2 { color: #fff; }

/* Phones. Small header: tighter icons so the language menu stays readable. */
@media (max-width: 400px) {
  .td-top .top__inner { gap: 8px; }
  .td-top .top__actions { gap: 6px; }
  .td-top .theme-toggle, .td-icon { width: 38px; height: 38px; }
  .td-gems { padding: 5px 9px; }
  .td .lang select { padding: 8px 4px; font-size: .88rem; max-width: 104px; }
}
/* Upright phones: the header scrolls away and the board stays in view while kids read clues or build a plan. */
@media (max-width: 700px) and (orientation: portrait) {
  .td-top { position: static; }
  .td-level .td-board { position: sticky; top: 8px; z-index: 5; max-width: calc((100dvh - 240px) * 1.2); margin-inline: auto; }
}
/* Phones on their side: board and panel side by side, the board sized to the screen height. */
@media (orientation: landscape) and (max-height: 520px) {
  .td-top { position: static; }
  .td-main { padding-top: 12px; }
  .td-level .td-stage { grid-template-columns: auto minmax(0, 1fr); gap: 12px; }
  .td-level .td-board { width: min(56vw, calc((100dvh - 90px) * 1.2)); position: sticky; top: 12px; }
  .td-level .td-panel { padding: 12px; }
  .td-level .td-tool { font-size: 1rem; padding: 8px; gap: 6px; }
  .td-level .td-tool canvas { width: 24px; height: 24px; }
  .td-level .td-coach { min-height: 0; }
  .td-keys { display: none; }
  .pq-pad { grid-template-columns: repeat(3, 56px); grid-template-rows: repeat(2, 48px); margin: 10px 0 8px; }
}
/* Fast taps on game buttons never zoom the page (iOS double-tap zoom). */
.td button, .td a { touch-action: manipulation; }
.hub__card--world .hub__art { background: linear-gradient(180deg, #ffe2a8 0 58%, #9fd67a 58% 100%); }
.hub__card--world .hub__art::before { display: none; }
.hub__w1, .hub__w2 { position: absolute; bottom: 10px; width: 130px; height: auto; }
.hub__w1 { left: 18%; }
.hub__w2 { right: 18%; width: 120px; animation: td-bob 2.2s ease-in-out infinite; }