/* c0vibe.app front page: the third pillar, The Creator Arcade (js/arcade.js renders it). Tiles are raised plates with an accent glow; the chest holds real medallion art. */
  #play .sec-head { max-width: none; }
  #play .sec-head .lede { max-width: 62ch; }
  #play .sec-head h2 { font-size: var(--h1); font-weight: 800; line-height: 1; letter-spacing: -.02em; }
  #play .sec-head h2 .row2 { display: block; font-size: .5em; font-weight: 700; letter-spacing: -.012em; line-height: 1.05; margin-top: .16em; }
  #play .arcade { margin-top: 56px; display: grid; gap: 16px; grid-template-columns: minmax(0, 1fr); position: relative; z-index: 3; }
  @media (min-width: 760px) { #play .arcade { grid-template-columns: repeat(2, minmax(0, 1fr)); } #play .chest, #play .usage { grid-column: 1 / -1; } }
  @media (min-width: 1180px) { #play .arcade { grid-template-columns: repeat(12, minmax(0, 1fr)); } #play .chest { grid-column: 1 / 8; grid-row: 1 / 3; } #play .score { grid-column: 8 / 13; } #play .rooms { grid-column: 8 / 13; } #play .usage { grid-column: 1 / 13; } }

  /* the tile: a raised plate, an accent hairline on top, a glow in the corner, a lift on hover */
  #play .atile { --acc: #08dff7; position: relative; overflow: hidden; display: grid; gap: 14px; align-content: start; padding: 26px 26px 24px; border: 1px solid var(--line); border-radius: var(--r-card); background: rgba(17,21,28,.6); transition: transform .35s var(--ease), border-color .35s var(--ease); }
  #play .atile:hover { transform: translateY(-2px); border-color: var(--line-2); }
  #play .at-kicker { font: 600 10px var(--mono); letter-spacing: .22em; text-transform: uppercase; color: var(--acc); }
  #play .atile h3 { font: 750 clamp(1.5rem, 2.2vw, 2.1rem)/1.05 var(--display); letter-spacing: -.02em; margin: 0; }
  #play .atile p { color: var(--dust); margin: 0; max-width: 60ch; }
  #play .at-head { display: grid; gap: 10px; }
  #play .atile .ex { font: 500 10px var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--dust-2); }

  /* the chest: the feature plate (rays behind the medallion) beside the case (a lid over a velvet tray of medallions) */
  #play .chest { grid-template-rows: auto 1fr auto auto; }
  #play .chest-body { display: grid; gap: 18px; align-items: center; align-self: center; margin-top: 4px; }
  @media (min-width: 620px) { #play .chest-body { grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); } }
  /* wide: the chest tile is as tall as VibeScore and Rooms together, so the medallion stands above the chest instead of beside it */
  @media (min-width: 1180px) { #play .chest-body { grid-template-columns: minmax(0, 1fr); gap: 22px; } #play .chest .case { width: min(100%, 560px); justify-self: center; } }
  #play .feature { display: grid; justify-items: center; text-align: center; gap: 12px; }
  #play .medal-big { --tc: #ffd23f; position: relative; width: clamp(180px, 17vw, 270px); max-width: 60vw; aspect-ratio: 1; display: grid; place-items: center; }
  #play .medal-big .rays { position: absolute; inset: -12%; border-radius: 50%; background: repeating-conic-gradient(from 0deg, color-mix(in srgb, var(--tc) 30%, transparent) 0deg 6deg, transparent 6deg 18deg); -webkit-mask-image: radial-gradient(circle, #000 30%, transparent 70%); mask-image: radial-gradient(circle, #000 30%, transparent 70%); animation: rays 24s linear infinite; }
  #play .medal-big::after { content: ""; position: absolute; inset: 18%; border-radius: 50%; background: radial-gradient(circle, color-mix(in srgb, var(--tc) 22%, transparent), transparent 70%); filter: blur(8px); }
  #play .medal-big .art { position: relative; z-index: 1; width: 78%; aspect-ratio: 1; background: url(../arcade/medals.webp) calc(var(--mx) * 20%) calc(var(--my) * 50%) / 600% 300% no-repeat; filter: drop-shadow(0 18px 24px rgba(0,0,0,.6)); animation: medalin .5s var(--ease); }
  #play .medal-big .art video { width: 100%; height: 100%; display: block; object-fit: contain; mix-blend-mode: lighten; -webkit-mask-image: radial-gradient(closest-side, #000 78%, transparent); mask-image: radial-gradient(closest-side, #000 78%, transparent); }
  #play .medal-big .art:has(video) { background: none; }
  #play .medal-big.locked .art { filter: grayscale(1) brightness(.45) drop-shadow(0 18px 24px rgba(0,0,0,.6)); }
  #play .medal-big.locked .rays { opacity: .25; }
  #play .medal-info { display: grid; justify-items: center; }
  /* every medallion's text is stacked in one cell, so the plate is always as tall as the longest and hovering never moves the page */
  #play .medal-info .mi { grid-area: 1 / 1; display: grid; gap: 6px; justify-items: center; align-content: start; visibility: hidden; opacity: 0; transition: opacity .25s var(--ease), visibility 0s linear .25s; }
  #play .medal-info .mi.on { visibility: visible; opacity: 1; transition: opacity .25s var(--ease); }
  #play .medal-info .tier { font: 600 10px var(--mono); letter-spacing: .22em; text-transform: uppercase; padding: 4px 10px; border-radius: 999px; border: 1px solid currentColor; color: var(--tc, #ffd23f); }
  #play .medal-info b { font: 750 1.35rem/1.1 var(--display); letter-spacing: -.01em; }
  #play .medal-info p { font-size: .95rem; max-width: 34ch; }
  #play .t-bronze { --tc: #d99366; } #play .t-silver { --tc: #c3cdd8; } #play .t-gold { --tc: #ffd23f; } #play .t-platinum { --tc: #8ff0ff; }
  #play .medal-info .tier { color: var(--tc); }

  #play .case { position: relative; border-radius: 14px; padding: 10px; background: rgba(10,13,18,.45); border: 1px solid var(--line); }
  #play .case .lid { position: relative; height: 18px; margin: 0 6px 10px; border-radius: 8px 8px 3px 3px; background: rgba(255,255,255,.04); border: 1px solid var(--line); overflow: hidden; }
  #play .case .lid::after { content: ""; position: absolute; left: 50%; top: 3px; width: 22px; height: 10px; transform: translateX(-50%); border-radius: 3px; background: color-mix(in srgb, var(--vibe) 70%, transparent); }
  #play .case .lid span { position: absolute; inset: 0; background: linear-gradient(100deg, transparent 30%, rgba(255,255,255,.08) 45%, transparent 60%); transform: translateX(-100%); animation: shine 6s var(--ease) infinite; }
  #play .medals { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 6px; padding: 8px; border-radius: 10px; background: rgba(6,8,12,.35); }
  #play .medal { aspect-ratio: 1; border: 0; padding: 0; border-radius: 50%; cursor: pointer; background: url(../arcade/medals.webp) calc(var(--mx) * 20%) calc(var(--my) * 50%) / 600% 300% no-repeat; transition: transform .3s var(--ease), filter .3s var(--ease); }
  #play .medal:hover, #play .medal:focus-visible, #play .medal.on { transform: translateY(-2px) scale(1.1); filter: drop-shadow(0 6px 10px color-mix(in srgb, var(--tc) 55%, transparent)); outline: none; }
  #play .medal.locked { filter: grayscale(1) brightness(.4); }
  #play .medal.locked.on, #play .medal.locked:hover { filter: grayscale(1) brightness(.6); }
  #play .tiers { display: flex; gap: 4px; height: 30px; }
  #play .tiers span { display: flex; align-items: center; justify-content: center; gap: 6px; flex-basis: 0; min-width: max-content; padding: 0 10px; font: 600 9.5px var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--tc); background: color-mix(in srgb, var(--tc) 14%, transparent); border: 1px solid color-mix(in srgb, var(--tc) 30%, transparent); border-radius: 8px; }
  #play .tiers b { font-size: 11px; }
  @media (max-width: 520px) { #play .tiers span { font-size: 8.5px; letter-spacing: .08em; padding: 0 6px; } }

  /* VibeScore: a ring that fills once in view */
  #play .gauge { position: relative; width: 190px; aspect-ratio: 1; margin: 2px auto 4px; }
  #play .gauge svg { width: 100%; height: 100%; transform: rotate(-90deg); }
  #play .gauge circle { fill: none; stroke-width: 14; }
  #play .gauge .track { stroke: rgba(255,255,255,.07); }
  #play .gauge .val { stroke: url(#gaugeGrad); stroke-linecap: round; stroke-dasharray: 0 100; transition: stroke-dasharray 1.6s var(--ease); }
  #play .gauge.in .val { stroke-dasharray: var(--v) 100; }
  #play .gauge .num { position: absolute; inset: 0; display: grid; place-content: center; justify-items: center; gap: 2px; }
  #play .gauge .num b { font: 800 3.2rem/1 var(--display); letter-spacing: -.03em; }
  #play .gauge .num small { font-size: .45em; margin-left: 2px; color: var(--dust); }
  #play .gauge .num em { font: 500 9.5px var(--mono); font-style: normal; letter-spacing: .18em; text-transform: uppercase; color: var(--dust-2); }
  #play .facts { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; color: var(--dust); font-size: .95rem; }
  #play .facts li { padding-left: 18px; position: relative; }
  #play .facts li::before { content: ""; position: absolute; left: 0; top: .6em; width: 8px; height: 8px; border-radius: 2px; background: var(--acc); box-shadow: 0 0 10px var(--acc); }

  /* Rooms: an example room card with live faces */
  #play .roomcard { margin-top: 6px; display: grid; gap: 14px; padding: 16px; border-radius: 12px; background: rgba(10,13,18,.45); border: 1px solid var(--line); }
  #play .rc-top { display: flex; justify-content: space-between; align-items: center; }
  #play .rc-top b { font: 700 1.1rem var(--display); }
  #play .live { display: inline-flex; align-items: center; gap: 6px; font: 600 9.5px var(--mono); letter-spacing: .18em; text-transform: uppercase; color: #4cd18a; }
  #play .live::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: #4cd18a; box-shadow: 0 0 0 0 rgba(76,209,138,.6); animation: livepulse 1.8s ease-out infinite; }
  #play .faces { display: flex; }
  #play .faces span { width: 48px; height: 48px; border-radius: 50%; background: #141a24 center / cover; box-shadow: 0 0 0 3px #10141d, 0 0 0 5px var(--c); margin-right: -8px; }
  #play .rc-foot { display: flex; justify-content: space-between; align-items: center; color: var(--dust); font-size: .9rem; }
  #play .enter { padding: 6px 14px; border-radius: 999px; background: var(--bone); color: #0b0e12; font-weight: 600; font-size: .85rem; }

  /* VibeUsage: the copy beside a terminal and an example board */
  #play .usage { gap: 22px; }
  @media (min-width: 980px) { #play .usage { grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); align-items: center; } }
  #play .usage-copy { display: grid; gap: 14px; align-content: start; }
  #play .chips { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
  #play .chips li { font-size: .85rem; color: var(--dust); padding: 6px 12px; border-radius: 999px; border: 1px solid var(--line-2); }
  #play .at-link { justify-self: start; color: var(--acc); font: 600 .95rem var(--body); text-decoration: none; border-bottom: 1px solid color-mix(in srgb, var(--acc) 40%, transparent); }
  #play .at-link:hover { border-bottom-color: var(--acc); }
  #play .usage-demo { display: grid; gap: 12px; min-width: 0; }
  #play .term { margin: 0; padding: 16px 18px; border-radius: 12px; background: rgba(6,8,12,.55); border: 1px solid var(--line); font: 500 13px/1.7 var(--mono); color: var(--bone); overflow-x: auto; }
  #play .term .c { color: #5b6573; } #play .term .p { color: var(--acc); }
  #play .board { list-style: none; margin: 0; padding: 6px; border-radius: 12px; background: rgba(10,13,18,.45); border: 1px solid var(--line); display: grid; gap: 4px; }
  #play .board li { position: relative; display: grid; grid-template-columns: 26px minmax(0, 1fr) auto 104px; gap: 10px; align-items: center; padding: 9px 10px; border-radius: 8px; font-size: .9rem; overflow: hidden; }
  #play .board li:not(.bh)::before { content: ""; position: absolute; inset: 0 auto 0 0; width: var(--w); background: linear-gradient(90deg, color-mix(in srgb, var(--acc) 16%, transparent), transparent); }
  #play .board li > * { position: relative; }
  #play .board .bh { font: 500 9.5px var(--mono); letter-spacing: .16em; text-transform: uppercase; color: var(--dust-2); padding-block: 4px; }
  #play .board .rk { font: 700 .95rem var(--display); color: var(--acc); }
  #play .board .amt { font: 600 .95rem var(--mono); font-variant-numeric: tabular-nums; }
  #play .board .tr { justify-self: end; font: 600 9px var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--dust); }
  #play .board .tr.ok { color: var(--acc); }
  @media (max-width: 520px) { #play .board li { grid-template-columns: 22px minmax(0, 1fr) auto; } #play .board .tr { display: none; } }

  @keyframes rays { to { transform: rotate(360deg); } }
  @keyframes medalin { from { opacity: 0; transform: scale(.9); } to { opacity: 1; transform: none; } }
  @keyframes shine { 0%, 60% { transform: translateX(-100%); } 100% { transform: translateX(100%); } }
  @keyframes livepulse { 0% { box-shadow: 0 0 0 0 rgba(76,209,138,.6); } 100% { box-shadow: 0 0 0 10px rgba(76,209,138,0); } }
  @media (prefers-reduced-motion: reduce) { #play .medal-big .rays, #play .medal-big .art, #play .case .lid span, #play .live::before { animation: none; } #play .gauge .val { transition: none; } }