/* PHYSICS LAB ARCADE - hub + player. Uses the landing tokens (site/landing.css). */

.arc { --acc: var(--accent); position: relative; }
.arc .dot { display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px rgba(63,224,207,.16); margin-right: 8px; vertical-align: 1px; animation: arcPulse 2.4s ease-in-out infinite; }
@keyframes arcPulse { 50% { box-shadow: 0 0 0 7px rgba(63,224,207,0); } }

/* static fallback (before hub.js runs / no JS): a plain list for crawlers */
.arc-static { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 10px; margin: 0; padding: 0; list-style: none; }
.arc-static li { padding: 14px 16px; border: 1px solid var(--line-soft); border-radius: 14px; background: var(--panel); }
.arc-static b { display: block; color: var(--text); font-size: 15px; }
.arc-static span { color: var(--muted); font-size: 13px; line-height: 1.45; }
.arc.is-live .arc-static { display: none; }

/* ---------------------------------------------------------------- progress strip */
.arc-stats {
  position: relative;
  display: grid;
  grid-template-columns: 1.25fr 1fr 1fr;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  border-radius: 18px;
  overflow: hidden;
  margin-bottom: 18px;
}
.arc-stat { display: flex; gap: 12px; align-items: flex-start; padding: 16px 18px; background: #0b1320; min-width: 0; }
.arc-stat__icon { flex: none; width: 38px; height: 38px; border-radius: 12px; display: grid; place-items: center; }
.arc-stat__icon svg { width: 20px; height: 20px; }
.arc-stat__icon--flame { color: #64748b; background: rgba(100,116,139,.14); }
.arc-stat__icon--flame.is-lit { color: #ff9a3d; background: rgba(255,154,61,.14); filter: drop-shadow(0 0 10px rgba(255,154,61,.35)); }
.arc-stat__icon--bolt { color: var(--accent); background: rgba(63,224,207,.12); }
.arc-stat__icon--medal { color: #ffcf4a; background: rgba(255,207,74,.12); }
.arc-stat__body { display: grid; gap: 6px; min-width: 0; }
.arc-stat__big { font-size: 15px; line-height: 1.3; color: var(--text); font-weight: 750; }
.arc-stat__big small { font-weight: 600; color: var(--muted); font-size: 12.5px; margin-left: 4px; }
.arc-stat__sub { font-size: 12px; color: var(--muted); line-height: 1.3; }
.arc-stat__sub.is-warn { color: #ffb648; }
.arc-week { display: flex; gap: 6px; margin-top: 2px; }
.wk { display: grid; justify-items: center; gap: 3px; }
.wk i { width: 18px; height: 18px; border-radius: 50%; background: rgba(255,255,255,.06); border: 1.5px solid rgba(255,255,255,.1); }
.wk.is-on i { background: radial-gradient(circle at 35% 35%, #ffd28a, #ff9a3d 60%, #d9661b); border-color: transparent; box-shadow: 0 0 10px rgba(255,154,61,.35); }
.wk.is-today i { outline: 2px solid rgba(63,224,207,.55); outline-offset: 2px; }
.wk b { font: 600 10px/1 ui-monospace, Menlo, monospace; color: var(--dim); }
.arc-bar { display: block; height: 7px; border-radius: 99px; background: rgba(255,255,255,.07); overflow: hidden; }
.arc-bar i { display: block; height: 100%; border-radius: inherit; background: linear-gradient(90deg, #3fe0cf, #5aa9ff); transition: width .9s cubic-bezier(.2,.8,.2,1); }
.arc-bar--lg { height: 9px; }
.arc-medals { display: flex; gap: 12px; }
.arc-medals span { display: inline-flex; align-items: center; gap: 4px; font: 700 13px/1 ui-monospace, Menlo, monospace; color: var(--text); }
.arc-sound { position: absolute; top: 10px; right: 10px; width: 34px; height: 34px; border-radius: 10px; border: 1px solid var(--line-soft); background: rgba(255,255,255,.03); color: var(--muted); display: grid; place-items: center; cursor: pointer; }
.arc-sound svg { width: 17px; height: 17px; }
.arc-sound:hover { color: var(--text); border-color: var(--line); }

/* ---------------------------------------------------------------- daily */
.arc-daily {
  position: relative;
  border-radius: 22px;
  padding: 20px;
  background:
    radial-gradient(120% 80% at 0% 0%, rgba(63,224,207,.10), transparent 60%),
    radial-gradient(90% 70% at 100% 0%, rgba(255,122,77,.08), transparent 60%),
    #0b1320;
  border: 1px solid rgba(63,224,207,.22);
  box-shadow: 0 24px 60px -30px rgba(0,0,0,.8);
}
.arc-daily__head { display: flex; justify-content: space-between; align-items: center; gap: 14px; margin-bottom: 16px; }
.arc-daily__kicker { display: inline-flex; align-items: center; font: 700 12px/1.2 ui-monospace, Menlo, monospace; letter-spacing: .12em; text-transform: uppercase; color: var(--accent); }
.arc-daily__kicker b { color: var(--text); margin-left: 6px; }
.arc-daily__sub { margin: 6px 0 0; font-size: 13.5px; color: var(--muted); line-height: 1.45; }
.arc-daily__meta { display: flex; align-items: center; gap: 12px; flex: none; }
.arc-daily__reset { font: 600 12px/1.2 ui-monospace, Menlo, monospace; color: var(--muted); padding: 7px 10px; border-radius: 99px; background: rgba(255,255,255,.04); border: 1px solid var(--line-soft); white-space: nowrap; }
.arc-ring { --p: 0; width: 48px; height: 48px; border-radius: 50%; display: grid; place-items: center; background: conic-gradient(var(--accent) calc(var(--p) * 360deg), rgba(255,255,255,.08) 0); position: relative; }
.arc-ring::before { content: ''; position: absolute; inset: 5px; border-radius: 50%; background: #0b1320; }
.arc-ring b { position: relative; font: 800 13px/1 ui-monospace, Menlo, monospace; color: var(--text); }
.arc-daily__list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }

.dc {
  position: relative;
  display: grid;
  grid-template-rows: auto 1fr auto;
  border-radius: 16px;
  background: rgba(255,255,255,.03);
  border: 1px solid var(--line-soft);
  overflow: hidden;
  transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
}
.dc:hover { transform: translateY(-2px); border-color: color-mix(in srgb, var(--acc) 55%, transparent); box-shadow: 0 18px 40px -22px color-mix(in srgb, var(--acc) 60%, transparent); }
.dc__hit, .gc__hit { position: absolute; inset: 0; z-index: 2; background: none; border: 0; cursor: pointer; border-radius: inherit; }
.dc__hit:focus-visible, .gc__hit:focus-visible { outline: 3px solid var(--accent); outline-offset: -3px; }
.dc__thumb { position: relative; aspect-ratio: 16 / 10; overflow: hidden; background: radial-gradient(70% 70% at 50% 50%, color-mix(in srgb, var(--acc) 20%, transparent), transparent), #0d1420; }
.dc__thumb canvas, .gc__thumb canvas {
  position: absolute; left: 50%; top: 50%; height: 88%; width: auto; aspect-ratio: 360 / 640;
  transform: translate(-50%, -50%); border-radius: 10px; opacity: 0;
  box-shadow: 0 0 0 1px rgba(255,255,255,.08), 0 14px 30px -12px rgba(0,0,0,.9), 0 0 40px -10px color-mix(in srgb, var(--acc) 45%, transparent);
  transition: opacity .35s ease, transform .25s ease;
}
.gc:hover .gc__thumb canvas, .dc:hover .dc__thumb canvas { transform: translate(-50%, -50%) scale(1.04); }
.is-ready canvas { opacity: 1; }

.dc__no { position: absolute; left: 10px; top: 10px; z-index: 1; width: 26px; height: 26px; border-radius: 8px; display: grid; place-items: center; font: 800 13px/1 ui-monospace, Menlo, monospace; color: #04211f; background: var(--acc); }
.dc__body { padding: 12px 14px 4px; display: grid; gap: 6px; align-content: start; }
.dc__name { margin: 0; font-size: 16px; line-height: 1.25; color: var(--text); display: flex; align-items: center; gap: 6px; }
.dc__how { margin: 0; font-size: 12.5px; line-height: 1.45; color: var(--muted); }
.dc__tag, .gc__tag { justify-self: start; font: 700 10.5px/1 ui-monospace, Menlo, monospace; letter-spacing: .08em; text-transform: uppercase; color: var(--acc); padding: 5px 7px; border-radius: 6px; background: color-mix(in srgb, var(--acc) 14%, transparent); }
.dc__score { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.dc__score b { font: 800 20px/1 ui-monospace, Menlo, monospace; color: var(--text); }
.dc__score small { display: inline-flex; align-items: center; gap: 4px; font-size: 12px; color: var(--accent); }
.dc__score small svg { width: 13px; height: 13px; }
.dc__cta { margin: 10px 14px 14px; display: inline-flex; align-items: center; justify-content: center; gap: 7px; height: 40px; border-radius: 12px; font-weight: 800; font-size: 14px; letter-spacing: .02em; color: #04211f; background: var(--acc); }
.dc__cta svg { width: 15px; height: 15px; }
.dc__cta--ghost { background: transparent; color: var(--text); border: 1px solid var(--line-soft); }
.dc.is-done .dc__no { background: rgba(255,255,255,.12); color: var(--text); }

/* ---------------------------------------------------------------- grid */
.arc-h { margin: 30px 0 14px; font-size: 18px; color: var(--text); letter-spacing: -.01em; }
.arc-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }
.gc {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  background: rgba(255,255,255,.028);
  border: 1px solid var(--line-soft);
  transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
}
.gc:hover { transform: translateY(-3px); border-color: color-mix(in srgb, var(--acc) 50%, transparent); box-shadow: 0 16px 36px -20px color-mix(in srgb, var(--acc) 55%, transparent); }
.gc__thumb { position: relative; aspect-ratio: 4 / 5; overflow: hidden; background: radial-gradient(80% 60% at 50% 40%, color-mix(in srgb, var(--acc) 16%, transparent), transparent), #0d1420; }
.gc__badge { position: absolute; left: 8px; top: 8px; z-index: 1; font: 800 10px/1 ui-monospace, Menlo, monospace; letter-spacing: .1em; padding: 5px 7px; border-radius: 6px; background: var(--accent); color: #04211f; }
.gc__play { position: absolute; right: 10px; bottom: 10px; z-index: 1; width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center; background: var(--acc); color: #04211f; transform: scale(.85); opacity: 0; transition: .18s ease; box-shadow: 0 6px 18px -6px var(--acc); }
.gc__play svg { width: 15px; height: 15px; margin-left: 2px; }
.gc:hover .gc__play, .gc__hit:focus-visible ~ .gc__thumb .gc__play { opacity: 1; transform: none; }
.gc__body { padding: 10px 12px 12px; display: grid; gap: 6px; }
.gc__name { margin: 0; font-size: 14.5px; line-height: 1.25; color: var(--text); }
.gc__meta { display: flex; align-items: center; justify-content: space-between; gap: 6px; }
.gc__best { margin: 0; font-size: 12px; color: var(--muted); line-height: 1.35; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; min-height: 2.7em; }
.gc__best b { font: 800 13px/1 ui-monospace, Menlo, monospace; color: var(--text); }
.pips { display: inline-flex; gap: 3px; }
.pip { width: 8px; height: 8px; border-radius: 50%; background: rgba(255,255,255,.1); }
.pip--1.is-on { background: #d38b5d; }
.pip--2.is-on { background: #cfd8e3; }
.pip--3.is-on { background: #ffcf4a; box-shadow: 0 0 6px rgba(255,207,74,.6); }
.medal { flex: none; display: inline-block; vertical-align: middle; }

/* ---------------------------------------------------------------- buttons */
.abtn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; height: 44px; padding: 0 18px; border-radius: 13px; border: 1px solid transparent; font: 750 14.5px/1 system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans KR", sans-serif; cursor: pointer; text-decoration: none; transition: transform .12s ease, background .15s ease, border-color .15s ease; }
.abtn svg { width: 17px; height: 17px; }
.abtn:active { transform: scale(.97); }
.abtn:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
.abtn--primary { background: var(--acc, var(--accent)); color: #04211f; box-shadow: 0 10px 26px -12px var(--acc, var(--accent)); }
.abtn--primary:hover { filter: brightness(1.06); }
.abtn--ghost { background: rgba(255,255,255,.05); border-color: var(--line-soft); color: var(--text); }
.abtn--ghost:hover { border-color: var(--line); background: rgba(255,255,255,.08); }
.abtn--lg { height: 52px; font-size: 16px; width: 100%; }
.abtn--link { height: auto; padding: 4px 0; background: none; color: var(--accent); font-size: 13px; }

/* ---------------------------------------------------------------- player */
html.arc-lock, html.arc-lock body { overflow: hidden; overscroll-behavior: none; }
.arcp { --acc: var(--accent); position: fixed; inset: 0; z-index: 1000; display: grid; place-items: center; background: rgba(4,7,12,.72); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); opacity: 0; transition: opacity .2s ease; }
.arcp.is-open { opacity: 1; }
.arcp[hidden] { display: none; }
.arcp__panel { position: relative; display: grid; grid-template-rows: auto 1fr; width: min(100vw, 520px); height: 100%; max-height: 100dvh; background: linear-gradient(180deg, #0d1420, #070b12); border-left: 1px solid var(--line-soft); border-right: 1px solid var(--line-soft); padding-bottom: env(safe-area-inset-bottom, 0); }
@media (min-width: 700px) and (min-height: 700px) {
  .arcp__panel { height: min(96dvh, 980px); border-radius: 24px; border: 1px solid var(--line-soft); box-shadow: 0 40px 120px -30px rgba(0,0,0,.9); overflow: hidden; }
}
.arcp__bar { display: flex; align-items: center; gap: 8px; padding: calc(8px + env(safe-area-inset-top, 0)) 10px 8px; border-bottom: 1px solid var(--line-soft); }
.arcp__icon { flex: none; width: 40px; height: 40px; border-radius: 12px; border: 1px solid var(--line-soft); background: rgba(255,255,255,.04); color: var(--text); display: grid; place-items: center; cursor: pointer; }
.arcp__icon svg { width: 18px; height: 18px; }
.arcp__icon:hover { border-color: var(--line); }
.arcp__icon:focus-visible { outline: 3px solid var(--accent); outline-offset: 1px; }
.arcp__title { flex: 1; min-width: 0; display: flex; align-items: center; gap: 8px; }
.arcp__title h3 { margin: 0; min-width: 0; font-size: 16px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; color: var(--text); }
.tile b [data-rank] { font: inherit; color: inherit; }
@media (max-width: 420px) {
  .arcp__bar { gap: 6px; padding-left: 8px; padding-right: 8px; }
  .arcp__icon { width: 36px; height: 36px; }
  .arcp__score b { font-size: 20px; }
  .arcp__title h3 { font-size: 15px; }
}
.arcp__badge { flex: none; font: 800 10px/1 ui-monospace, Menlo, monospace; letter-spacing: .1em; padding: 5px 7px; border-radius: 6px; background: var(--accent); color: #04211f; }
.arcp__score { display: grid; justify-items: end; line-height: 1.05; margin-right: 4px; }
.arcp__score b { font: 800 24px/1 ui-monospace, Menlo, monospace; color: var(--text); font-variant-numeric: tabular-nums; }
.arcp__score small { font: 600 11px/1.2 ui-monospace, Menlo, monospace; color: var(--muted); }
.arcp__stage { position: relative; display: grid; place-items: center; overflow: hidden; min-height: 0; }
.arcp__canvas { display: block; aspect-ratio: 360 / 640; border-radius: 14px; box-shadow: 0 0 0 1px rgba(63,224,207,.12), 0 30px 60px -30px rgba(0,0,0,.9); outline: none; touch-action: none; user-select: none; -webkit-user-select: none; -webkit-touch-callout: none; }
@media (max-width: 520px) { .arcp__canvas { border-radius: 0; box-shadow: none; } }
.arcp__loading { position: absolute; inset: 0; display: grid; place-items: center; }
.spin { width: 34px; height: 34px; border-radius: 50%; border: 3px solid rgba(255,255,255,.12); border-top-color: var(--accent); animation: arcSpin .8s linear infinite; }
@keyframes arcSpin { to { transform: rotate(360deg); } }

.arcp__sheet { position: absolute; inset: 0; display: grid; align-items: end; justify-items: center; padding: 16px; background: linear-gradient(180deg, rgba(7,11,18,.15), rgba(7,11,18,.78) 45%, rgba(7,11,18,.94)); overflow-y: auto; overscroll-behavior: contain; animation: sheetIn .28s cubic-bezier(.2,.8,.2,1); }
.arcp__sheet--result { align-items: start; background: rgba(7,11,18,.9); }
.arcp__sheet[hidden] { display: none; }
@keyframes sheetIn { from { opacity: 0; transform: translateY(14px); } }
.sheet { width: min(100%, 400px); display: grid; gap: 12px; text-align: center; margin: auto 0 8px; }
.sheet--result { margin: 8px 0; }
.sheet__kicker { display: inline-flex; align-items: center; justify-content: center; font: 700 11.5px/1 ui-monospace, Menlo, monospace; letter-spacing: .12em; text-transform: uppercase; color: var(--acc); }
.sheet__title { margin: 0; font-size: clamp(24px, 6vw, 30px); line-height: 1.15; letter-spacing: -.02em; color: var(--text); }
.sheet__how { margin: 0 auto; max-width: 34ch; font-size: 15px; line-height: 1.5; color: var(--muted); }
.sheet__note { margin: 0; font: 600 12.5px/1 ui-monospace, Menlo, monospace; color: var(--muted); }
.sheet__medals { display: flex; justify-content: center; gap: 10px; margin: 4px 0 6px; padding: 0; list-style: none; }
.sheet__medals li { display: inline-flex; align-items: center; gap: 6px; padding: 7px 11px 7px 8px; border-radius: 99px; background: rgba(255,255,255,.05); border: 1px solid var(--line-soft); font: 700 13px/1 ui-monospace, Menlo, monospace; color: var(--text); }
.sheet__medals li.is-won { border-color: rgba(63,224,207,.4); background: rgba(63,224,207,.08); }
.sheet__hero { display: grid; justify-items: center; gap: 8px; padding-top: 6px; }
.sheet__medal { animation: medalPop .7s cubic-bezier(.2,1.4,.3,1) both; filter: drop-shadow(0 10px 24px rgba(255,207,74,.25)); }
.sheet__medal--none { filter: none; opacity: .6; }
@keyframes medalPop { from { transform: scale(.3) rotate(-25deg); opacity: 0; } }
.sheet__sub { margin: 0; font-size: 13.5px; color: var(--muted); }
.tiles { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.tile { display: grid; gap: 6px; padding: 12px 6px; border-radius: 14px; background: rgba(255,255,255,.045); border: 1px solid var(--line-soft); min-width: 0; }
.tile span { font: 600 10.5px/1.2 ui-monospace, Menlo, monospace; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.tile b { font: 800 18px/1 ui-monospace, Menlo, monospace; color: var(--text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.tile.is-best { border-color: rgba(255,207,74,.45); background: rgba(255,207,74,.08); }
.tile.is-best b { color: #ffcf4a; }
.tile.is-world b { color: var(--accent); }
.tile.is-xp b { color: #7ee787; font-size: 15px; }
.lvl { display: grid; gap: 7px; text-align: left; padding: 12px 14px; border-radius: 14px; background: rgba(255,255,255,.03); border: 1px solid var(--line-soft); }
.lvl__row { display: flex; align-items: baseline; gap: 8px; }
.lvl__row b { color: var(--text); font-size: 14px; }
.lvl__row small { margin-left: auto; color: var(--muted); font-size: 12px; }
.lvl__up { color: #7ee787; font-size: 12px; animation: medalPop .6s both; }
.world { text-align: left; padding: 12px 14px; border-radius: 14px; background: rgba(63,224,207,.05); border: 1px solid rgba(63,224,207,.2); display: grid; gap: 8px; }
.world__status { margin: 0; font-size: 13px; color: var(--muted); }
.world__head { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.world__head span { display: inline-flex; align-items: center; gap: 6px; font: 700 11.5px/1 ui-monospace, Menlo, monospace; letter-spacing: .08em; text-transform: uppercase; color: var(--accent); }
.world__head svg { width: 14px; height: 14px; }
.world__head small { font-size: 12px; color: var(--text); }
.world__list { margin: 0; padding: 0; list-style: none; display: grid; gap: 2px; }
.world__list li { display: grid; grid-template-columns: 24px 1fr auto; gap: 8px; align-items: center; padding: 6px 8px; border-radius: 8px; font-size: 13.5px; color: var(--text); }
.world__list li.is-me { background: rgba(63,224,207,.14); }
.world__rk { font: 800 12px/1 ui-monospace, Menlo, monospace; color: var(--muted); }
.world__nm { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.world__list b { font: 800 13px/1 ui-monospace, Menlo, monospace; }
.world__nick { display: flex; justify-content: space-between; align-items: center; gap: 8px; font-size: 12.5px; color: var(--muted); }
.world__nick b { color: var(--text); }
.world__form { display: flex; gap: 8px; width: 100%; }
.world__input { flex: 1; min-width: 0; height: 44px; padding: 0 12px; border-radius: 12px; border: 1px solid var(--line); background: rgba(0,0,0,.3); color: var(--text); font-size: 15px; }
.world__input:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.sheet__actions { display: grid; gap: 8px; margin-top: 4px; }
.sheet__row { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.sheet__cta { display: grid; gap: 4px; text-align: left; padding: 14px 16px; border-radius: 14px; text-decoration: none; background: linear-gradient(120deg, rgba(255,122,77,.14), rgba(63,224,207,.08)); border: 1px solid rgba(255,122,77,.3); }
.sheet__cta span { font-size: 13px; color: var(--muted); line-height: 1.45; }
.sheet__cta b { font-size: 14px; color: #ffb648; }
.sheet__cta:hover { text-decoration: none; border-color: rgba(255,122,77,.55); }
.sheet--pause { margin: auto 0; }

/* ---------------------------------------------------------------- responsive */
@media (max-width: 1000px) { .arc-grid { grid-template-columns: repeat(4, 1fr); } }
@media (max-width: 820px) {
  .arc-stats { grid-template-columns: 1fr 1fr; }
  .arc-stat--streak { grid-column: 1 / -1; padding-right: 54px; }
  .arc-daily__list { grid-template-columns: 1fr; }
  .dc { grid-template-columns: 116px 1fr; grid-template-rows: auto auto; }
  .dc__thumb { grid-row: 1 / span 2; aspect-ratio: auto; min-height: 130px; }
  .dc__cta { margin: 4px 14px 14px; }
  .arc-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 560px) {
  .arc-daily { padding: 14px; border-radius: 18px; }
  .arc-daily__head { flex-direction: column; align-items: flex-start; }
  .arc-daily__meta { width: 100%; justify-content: space-between; }
  .arc-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .dc__how { display: none; }
  .tiles { grid-template-columns: repeat(2, 1fr); }
  .arc-stat { padding: 14px; }
  .arc-stat__big { font-size: 14px; }
}
@media (prefers-reduced-motion: reduce) {
  .arc .dot, .sheet__medal, .arcp__sheet { animation: none; }
  .gc, .dc { transition: none; }
}

/* ---------------------------------------------------------------- page glue */
.section--arcade .section__head { margin-bottom: 22px; }
.arc-more { margin: 18px 0 0; text-align: center; font-weight: 700; font-size: 14.5px; }
.section--arcade-page { padding-top: 34px; }
.section--arcade-page .section__head h1 { font-size: clamp(30px, 5vw, 46px); line-height: 1.08; letter-spacing: -.025em; margin: 10px 0 12px; color: var(--text); }

/* typesetting: hub text follows the page language rules */
.arc :lang(ko), .arcp :lang(ko) { word-break: keep-all; }
.dc__how, .gc__best, .sheet__how, .world__status { text-wrap: pretty; }
.dc__name, .gc__name, .sheet__title { text-wrap: balance; }