.site-nav{background:rgba(3,9,20,.9);backdrop-filter:blur(18px)}.play-nav,.actions{display:flex;gap:18px;align-items:center}.play-nav a{text-decoration:none;color:var(--muted);font-size:14px}.play-hero{display:grid;grid-template-columns:1.15fr 1fr;align-items:center;min-height:580px;padding:55px 0;gap:25px}.eyebrow{color:var(--accent);font-size:12px;font-weight:750;letter-spacing:.13em}.play-hero h1{font-size:clamp(40px,5.6vw,68px);line-height:1.17;margin:22px 0;letter-spacing:-.04em}.play-hero h1 span{color:var(--accent)}.lead{color:var(--muted);line-height:1.9;font-size:16px}.actions{margin-top:28px;flex-wrap:wrap}.hero-art{position:relative;display:grid;place-items:center;min-height:420px}.hero-art>img{height:420px;position:relative;object-fit:contain;filter:drop-shadow(0 20px 40px #031020)}.orbit{position:absolute;width:90%;aspect-ratio:1;border:1px solid #69e2ef25;border-radius:50%;box-shadow:0 0 0 28px #69e2ef06,0 0 0 60px #69e2ef03;background:radial-gradient(circle,#69e2ef18,transparent 70%)}.art-note{position:absolute;bottom:12px;background:#dffcff;color:#102b41;padding:12px 20px;border-radius:18px;transform:rotate(-4deg);font-size:13px;font-weight:700}.play-section{padding:50px 0;scroll-margin-top:90px}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:26px}.section-heading h2{font-size:clamp(25px,3.3vw,36px);margin-top:10px}.section-heading>p,.small-note{color:var(--muted);font-size:13px;line-height:1.7}.dive-layout,.workshop-layout{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--line);border-radius:28px;overflow:hidden;background:#0c203c80}.dive-scene{position:relative;min-height:340px;overflow:hidden;background:linear-gradient(#06132665,#061326b5),url('mascot/deepsea-ruins-background-v1.webp') center/cover}.depth{position:absolute;top:24px;left:24px;font-size:11px;letter-spacing:.12em;color:#c2e9f1}.dive-whale{position:absolute;width:120px;right:22px;top:54px;transform:rotate(-12deg)}.sonar-ring{position:absolute;width:170px;height:170px;top:76px;left:calc(50% - 85px);border:1px solid #69e2ef55;border-radius:50%;box-shadow:0 0 0 24px #69e2ef09,0 0 0 48px #69e2ef05}.catch-symbol{position:absolute;top:100px;width:100%;text-align:center;font-size:76px;color:#bdf9ff;text-shadow:0 0 28px #69e2ef88}.scene-caption{position:absolute;bottom:26px;width:100%;text-align:center;color:#ccdfed;font-size:13px;padding:0 16px}.catch-panel{padding:38px;display:flex;flex-direction:column;align-items:start;justify-content:center;gap:16px}.catch-panel h3{font-size:25px;margin-bottom:12px}.catch-panel #catchResult p{color:var(--muted);line-height:1.85;min-height:64px}.catch-panel .small-note{font-size:11px}.collection-heading{display:flex;justify-content:space-between;gap:16px;align-items:center;margin:30px 0 18px}.collection-heading h3{font-size:17px}.collection-heading h3 span{color:var(--accent);font-size:13px;margin-left:10px}.collection-heading>span{font-size:12px;color:var(--muted)}.collection-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:12px}.collectible{border:1px solid var(--line);border-radius:17px;background:#10284470;padding:20px 8px;color:var(--ink);cursor:pointer;min-height:120px}.collectible .symbol{display:block;font-size:30px;margin-bottom:10px}.collectible .item-name{font-size:12px;display:block}.collectible small{display:block;color:var(--accent);font-size:10px;margin-top:6px}.collectible:disabled{cursor:default;color:#8294ac;background:#0b1b2c}.collectible.rare{border-color:#e9c88470}.collectible:hover:enabled{background:#193956}.collection-detail{min-height:50px;padding:16px 0;font-size:13px;line-height:1.8;color:var(--muted)}.workshop-layout{gap:30px;padding:30px}.canvas-frame{align-self:start;text-align:center;background:#041222;border-radius:20px;padding:18px}.canvas-frame canvas{width:100%;height:auto;border-radius:12px;display:block}.canvas-frame>span{display:block;font-size:11px;letter-spacing:.08em;color:var(--muted);margin-top:14px}.workshop-controls h3,.workshop-controls label,.workshop-controls legend{font-size:14px;font-weight:750;display:block;margin-bottom:14px}.sticker-options{display:grid;grid-template-columns:repeat(4,1fr);gap:9px;margin-bottom:25px}.sticker-option{background:#ffffff06;border:1px solid var(--line);border-radius:13px;padding:6px;color:var(--muted);font-size:11px;cursor:pointer}.sticker-option img{display:block;width:100%;height:63px;object-fit:contain;margin-bottom:3px}button[aria-pressed=true]{border-color:var(--accent);background:#69e2ef18;color:var(--ink)}textarea{width:100%;resize:vertical;min-height:80px;border:1px solid var(--line);border-radius:12px;background:#051427;color:var(--ink);padding:14px;font:inherit;font-size:15px;line-height:1.6}.caption-meta{display:flex;justify-content:space-between;margin:8px 0 22px;font-size:12px;color:var(--muted)}.text-button{background:none;border:0;color:var(--accent);cursor:pointer}.workshop-controls fieldset{border:0;margin-bottom:24px}.background-options{display:flex;gap:10px}.background-options button{border:1px solid var(--line);border-radius:10px;background:#ffffff05;padding:10px 15px;color:var(--muted);cursor:pointer}.background-options button[aria-pressed=true]{border-color:var(--accent);color:var(--accent)}#downloadSticker{width:100%;margin-bottom:10px}.button:disabled{opacity:.5;cursor:wait}.play-footer{text-align:center;padding:45px 0 30px!important;border-top:1px solid var(--line);margin-top:35px}.play-footer p{color:var(--muted);font-size:13px;margin:14px 0}.play-footer>a{color:var(--accent);font-size:14px}a:focus-visible,button:focus-visible,textarea:focus-visible{outline:3px solid #ffd98a;outline-offset:4px}.is-diving .catch-symbol{animation:catch-bob .4s ease-in-out infinite alternate}@keyframes catch-bob{to{transform:translateY(12px);opacity:.5}}@media(max-width:760px){.play-hero{grid-template-columns:1fr;gap:0;padding:38px 0 15px;min-height:0}.hero-art{min-height:290px}.hero-art>img{height:290px}.orbit{width:260px}.play-hero h1{font-size:44px}.section-heading{display:block}.section-heading>p{margin-top:12px}.dive-layout,.workshop-layout{grid-template-columns:1fr}.dive-scene{min-height:290px}.catch-panel{padding:26px}.collection-grid{grid-template-columns:repeat(3,1fr)}.collection-heading{align-items:start;flex-direction:column;gap:8px}.workshop-layout{padding:18px;gap:25px}.play-section{padding:32px 0}.play-nav{gap:12px}.play-nav a{font-size:12px}.brand{font-size:15px}.desktop-break{display:none}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.is-diving .catch-symbol{animation:none}*,*::before,*::after{transition:none!important}}

.playground-overview { min-height: 380px; padding: 38px 0 30px; }
.playground-overview .hero-art { min-height: 320px; }
.playground-overview .hero-art > img { height: 320px; }
.playground-overview h1 { font-size: clamp(36px, 4.8vw, 58px); }
.project-overview { padding: 20px 0 64px; }
.play-projects { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 26px; }
.play-project { display: flex; flex-direction: column; overflow: hidden; border: 1px solid var(--line); border-radius: 26px; background: #0c203c90; color: var(--ink); text-decoration: none; transition: transform .2s ease, border-color .2s ease; }
.play-project:hover { transform: translateY(-4px); border-color: #69e2ef80; }
.project-art { height: 230px; position: relative; display: grid; place-items: center; overflow: hidden; }
.project-number { position: absolute; top: 20px; left: 24px; z-index: 1; color: #cef6ff; font-size: 11px; font-weight: 750; letter-spacing: .12em; }
.salvage-art { background: linear-gradient(#06132640, #061326b0), url('mascot/deepsea-ruins-background-v1.webp') center/cover; }
.salvage-art img { width: 165px; height: 165px; object-fit: contain; transform: rotate(-10deg); filter: drop-shadow(0 12px 24px #041326); }
.treasure-symbols { position: absolute; right: 30px; bottom: 24px; font-size: 30px; color: #c4faff; letter-spacing: 16px; }
.workshop-art { background: radial-gradient(ellipse at 50% 70%, #32678785, transparent 70%), linear-gradient(135deg, #122544, #253753); }
.workshop-art img { height: 180px; width: 210px; object-fit: contain; margin-top: 18px; filter: drop-shadow(0 10px 18px #04132670); }
.sticker-note { position: absolute; bottom: 20px; right: 20px; background: #fff1d9; color: #20364b; padding: 8px 12px; border-radius: 10px; transform: rotate(-5deg); font-size: 10px; font-weight: 800; }
.project-copy { padding: 28px; display: flex; flex-direction: column; flex: 1; }
.project-copy h3 { font-size: 25px; line-height: 1.4; margin-bottom: 12px; }
.project-copy p { color: var(--muted); line-height: 1.8; font-size: 14px; }
.project-tags { display: flex; flex-wrap: wrap; gap: 8px; padding: 20px 0 24px; }
.project-tags span { border: 1px solid var(--line); padding: 5px 10px; border-radius: 20px; color: #b9dce9; font-size: 11px; }
.project-enter { align-self: flex-start; margin-top: auto; background: #b9f4f6; color: #0a263c; border-radius: 12px; padding: 12px 20px; font-size: 14px; font-weight: 800; }
.activity-links { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 14px; padding: 30px 0 0; }
.activity-links a { color: var(--accent); text-decoration: none; font-size: 13px; padding: 8px 0; }
[data-play-activity] .play-section { padding-top: 26px; }
@media (max-width: 760px) {
  .playground-overview { grid-template-columns: 1fr auto; gap: 12px; padding: 30px 0 16px; }
  .playground-overview h1 { font-size: 34px; }
  .playground-overview .lead { font-size: 14px; }
  .playground-overview .hero-art { min-height: 190px; width: 115px; }
  .playground-overview .hero-art > img { height: 170px; max-width: 115px; }
  .playground-overview .orbit { width: 115px; box-shadow: none; }
  .playground-overview .art-note { display: none; }
  .play-projects { grid-template-columns: 1fr; gap: 20px; }
  .project-art { height: 210px; }
  .project-copy { padding: 24px; }
  .project-overview { padding-bottom: 38px; }
}
@media (max-width: 360px) { .playground-overview { grid-template-columns: 1fr; } .playground-overview .hero-art { display: none; } }