.playground{--pg-serif:var(--f-serif);--pg-mono:var(--f-mono);--pg-ease:var(--ease);--pg-sky:#171226;max-width:640px;width:100%;margin:0 auto;padding:clamp(1.5rem,4vw,2.75rem) clamp(1rem,4vw,1.5rem) 5rem;min-height:calc(100dvh - var(--site-header-height))}.playground .pg-hero{text-align:center;margin-bottom:clamp(2.5rem,6vw,4rem)}.playground .pg-hero-kicker{font-family:var(--pg-mono);font-size:.64rem;letter-spacing:.18em;text-transform:uppercase;color:var(--accent-strong);font-weight:700}.playground .pg-hero-title{font-family:var(--pg-serif);font-size:clamp(1.9rem,5vw,2.7rem);line-height:1.22;color:var(--brand);margin-top:.5rem}.playground .pg-hero-sub{font-size:.88rem;line-height:1.6;color:var(--ink-2);max-width:30rem;margin:.7rem auto 0}.playground .pg-hub{display:flex;flex-direction:column;gap:.85rem}.playground .pg-hub-feature,.playground .pg-hub-tile{position:relative;border-radius:var(--r-xl);border:1px solid var(--line-2);background:var(--surface);box-shadow:var(--sh-1);opacity:0;transform:translateY(10px);animation:pgRowIn .55s var(--pg-ease) forwards;transition:border-color var(--dur-2) var(--pg-ease),box-shadow var(--dur-2) var(--pg-ease),transform var(--dur-1) var(--pg-ease)}.playground .pg-hub-feature:hover,.playground .pg-hub-tile:hover{border-color:var(--brand-soft);box-shadow:var(--sh-2);transform:translateY(-2px)}.playground .pg-hub-feature:hover .pg-hub-arrow,.playground .pg-hub-tile:hover .pg-hub-arrow{transform:translateX(3px)}.playground .pg-hub-feature{display:flex;align-items:center;gap:1.1rem;padding:1.6rem 1.5rem;overflow:hidden;background:linear-gradient(135deg,var(--surface) 55%,var(--brand-tint));animation-delay:.04s}.playground .pg-hub-feature-glyph{display:grid;place-items:center;flex:none;width:3.25rem;height:3.25rem;border-radius:50%;background:var(--surface);border:1px solid var(--line-2);color:var(--brand);box-shadow:var(--sh-1)}.playground .pg-hub-feature-glyph svg{width:22px;height:22px}.playground .pg-hub-feature-body{flex:1;min-width:0}.playground .pg-hub-feature-body h2{font-family:var(--pg-serif);font-size:1.3rem;color:var(--brand);margin-top:.3rem}.playground .pg-hub-feature-body p{font-size:.82rem;line-height:1.55;color:var(--ink-3);margin-top:.35rem;max-width:26rem}.playground .pg-hub-row{display:grid;grid-template-columns:repeat(2,1fr);gap:.85rem}.playground .pg-hub-tile{display:flex;flex-direction:column;align-items:flex-start;gap:.15rem;padding:1.3rem 1.2rem 1.4rem;background:var(--surface-2)}.playground .pg-hub-tile:first-child{animation-delay:.14s}.playground .pg-hub-tile:nth-child(2){animation-delay:.22s}.playground .pg-hub-tile-icon{width:20px;height:20px;color:var(--accent-strong);margin-bottom:.5rem}.playground .pg-hub-tile h3{font-family:var(--pg-serif);font-size:1.08rem;color:var(--brand);margin-top:.3rem}.playground .pg-hub-tile p{font-size:.76rem;line-height:1.5;color:var(--ink-3);margin-top:.3rem}.playground .pg-hub-tile .pg-hub-arrow{margin-top:.7rem}.playground .pg-hub-arrow{flex:none;width:17px;height:17px;color:var(--ink-3);transition:transform var(--dur-1) var(--pg-ease)}.playground .pg-subnav{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:.75rem;margin-bottom:clamp(1.5rem,4vw,2.25rem)}.playground .pg-subnav-back{display:inline-flex;align-items:center;gap:.35rem;font-family:var(--pg-mono);font-size:.66rem;letter-spacing:.1em;text-transform:uppercase;font-weight:700;color:var(--ink-3);transition:color var(--dur-1) var(--pg-ease)}.playground .pg-subnav-back:hover{color:var(--brand)}.playground .pg-subnav-back svg{width:13px;height:13px}.playground .pg-subnav-siblings{display:flex;gap:.4rem;flex-wrap:wrap}.playground .pg-subnav-pill{display:inline-flex;align-items:center;min-height:1.85rem;padding:0 .7rem;border-radius:var(--r-pill);border:1px solid var(--line-2);background:var(--surface);font-size:.68rem;font-weight:700;color:var(--ink-3);transition:border-color var(--dur-1) var(--pg-ease),color var(--dur-1) var(--pg-ease),transform var(--dur-1) var(--pg-ease)}.playground .pg-subnav-pill:hover{color:var(--brand);border-color:var(--brand-soft);transform:translateY(-1px)}.playground .pg-section{scroll-margin-top:calc(var(--site-header-height) + 12px);padding:clamp(1.75rem,4vw,2.5rem) 0;border-top:1px solid var(--line)}.playground .pg-section:first-of-type{border-top:0;padding-top:0}.playground .pg-section-head{text-align:center;margin-bottom:1.5rem}.playground .pg-section-eyebrow{display:inline-block;font-family:var(--pg-mono);font-size:.6rem;letter-spacing:.16em;color:var(--accent-strong);font-weight:700}.playground .pg-section-title{font-family:var(--pg-serif);font-size:1.5rem;color:var(--brand);margin-top:.35rem}.playground .pg-section-sub{font-size:.8rem;color:var(--ink-3);margin-top:.35rem;line-height:1.55}.playground .pg-mono-label{font-family:var(--pg-mono);font-size:.58rem;letter-spacing:.12em;text-transform:uppercase;color:var(--faint)}.playground .pg-share-btn{display:inline-flex;align-items:center;gap:.4rem;min-height:2.5rem;padding:0 1rem;border-radius:var(--r-pill);border:1px solid var(--line-2);background:var(--surface);color:var(--brand);font-size:.78rem;font-weight:700;transition:border-color var(--dur-1) var(--pg-ease),transform var(--dur-1) var(--pg-ease)}.playground .pg-share-btn:hover{border-color:var(--brand-soft);transform:translateY(-1px)}.playground .pg-share-btn svg{width:15px;height:15px}.playground .pg-lucky-strip{display:flex;flex-wrap:wrap;justify-content:center;gap:.5rem;margin-top:1.1rem}.playground .pg-lucky-chip{display:inline-flex;align-items:center;gap:.35rem;min-height:2rem;padding:0 .75rem;border-radius:var(--r-pill);background:var(--surface-2);border:1px solid var(--line);font-size:.72rem;font-weight:700;color:var(--ink-2)}.playground .pg-lucky-chip svg{width:13px;height:13px;color:var(--ink-3)}.playground .pg-lucky-swatch{width:10px;height:10px;border-radius:50%;display:inline-block;box-shadow:inset 0 0 0 1px rgba(0,0,0,.12)}.playground .pg-fortune-actions{display:flex;align-items:center;justify-content:center;gap:.75rem;flex-wrap:wrap;margin-top:1.3rem}.playground .pg-gate{position:relative}.playground .pg-gate[data-locked=true] .pg-gate-preview{filter:blur(6px) saturate(.7);opacity:.55;pointer-events:none;user-select:none}.playground .pg-gate-overlay{position:absolute;inset:0;z-index:2;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.55rem;text-align:center;padding:1.5rem 1.25rem}.playground .pg-gate-lock{width:2.5rem;height:2.5rem;border-radius:50%;display:grid;place-items:center;background:var(--surface);color:var(--brand);box-shadow:var(--sh-2);border:1px solid var(--line)}.playground .pg-gate-lock svg{width:18px;height:18px}.playground .pg-gate-title{font-family:var(--pg-serif);font-size:1.02rem;color:var(--brand);max-width:18rem}.playground .pg-gate-sub{font-size:.76rem;color:var(--ink-3);max-width:18rem;line-height:1.5}.playground .pg-gate-actions{display:flex;gap:.5rem;flex-wrap:wrap;justify-content:center;margin-top:.35rem}.playground .pg-gate-btn{display:inline-flex;align-items:center;gap:.45rem;min-height:2.5rem;padding:0 1.1rem;border-radius:var(--r-pill);font-size:.8rem;font-weight:700;border:1px solid var(--line-2);background:var(--surface);color:var(--foreground);box-shadow:var(--sh-1);transition:transform var(--dur-1) var(--pg-ease),box-shadow var(--dur-1) var(--pg-ease)}.playground .pg-gate-btn:hover{transform:translateY(-1px);box-shadow:var(--sh-2)}.playground .pg-gate-btn.is-kakao{background:#fee500;color:#181600;border-color:transparent}@keyframes pgRise{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}@keyframes pgRowIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}@media (max-width:480px){.playground .pg-hero-title{font-size:1.7rem}.playground .pg-hub-row{grid-template-columns:1fr}.playground .pg-hub-feature{flex-direction:column;text-align:center}}@media (prefers-reduced-motion:reduce){.playground .pg-gate-btn:hover,.playground .pg-share-btn:hover,.playground .pg-subnav-pill:hover{transform:none}.playground .pg-hub-feature,.playground .pg-hub-tile{animation:none!important;opacity:1!important;transform:none!important}}