:root{color-scheme:dark;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.5;--bg: #0d1117;--surface: #161b22;--border: #30363d;--text: #e6edf3;--text-dim: #8b949e;--green: #3fb950;--green-dark: #238636;--yellow: #d29922;--blue: #58a6ff;--purple: #bc8cff;--red: #f85149;--cyan: #39d353;--orange: #f0883e}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{min-height:100vh;background:var(--bg);color:var(--text)}.game-container{max-width:600px;margin:0 auto;padding:1rem;min-height:100vh;display:flex;flex-direction:column;gap:.75rem}.game-header{display:flex;justify-content:space-between;align-items:center;gap:.5rem}.game-header h1{font-size:1.25rem;font-weight:700;background:linear-gradient(135deg,var(--green),var(--cyan));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.header-left{display:flex;align-items:center;gap:.75rem}.header-right{display:flex;gap:.5rem}.level-badge{font-size:.7rem;font-family:ui-monospace,monospace;background:var(--surface);border:1px solid var(--border);padding:.2rem .5rem;border-radius:999px;color:var(--text-dim)}.btn-small{font-size:.75rem;padding:.35rem .75rem;border-radius:6px;border:1px solid var(--border);background:var(--surface);color:var(--text);cursor:pointer;font-weight:500;transition:all .15s}.btn-small:hover{background:var(--border)}.level-select{display:flex;gap:.4rem;flex-wrap:wrap;padding:.75rem;background:var(--surface);border:1px solid var(--border);border-radius:10px}.level-btn{width:2.5rem;height:2.5rem;border-radius:8px;border:1px solid var(--border);background:var(--bg);color:var(--text-dim);font-weight:600;font-size:.85rem;cursor:pointer;transition:all .15s}.level-btn:hover{border-color:var(--green);color:var(--text)}.level-btn.active{border-color:var(--green);background:var(--green-dark);color:#fff}.level-btn.completed:after{content:""}.level-info{text-align:center}.level-info h2{font-size:1.1rem;font-weight:600;color:var(--yellow)}.hint{font-size:.8rem;color:var(--text-dim);margin-top:.15rem}.stats-bar{display:flex;gap:1rem;justify-content:center;padding:.5rem;background:var(--surface);border:1px solid var(--border);border-radius:10px}.stat{display:flex;flex-direction:column;align-items:center;gap:0}.stat-label{font-size:.6rem;text-transform:uppercase;letter-spacing:.1em;color:var(--text-dim)}.stat-value{font-size:1.1rem;font-weight:700;font-family:ui-monospace,monospace}.melon-count{color:var(--green)}.grid-wrapper{display:grid;gap:2px;background:var(--border);border:2px solid var(--border);border-radius:10px;overflow:hidden;aspect-ratio:auto;max-width:100%;margin:0 auto;width:fit-content}.grid-wrapper .tile{width:clamp(2rem,8vw,3rem);height:clamp(2rem,8vw,3rem);display:flex;align-items:center;justify-content:center;position:relative;transition:all .1s}.tile-emoji{font-size:clamp(1rem,4vw,1.5rem);line-height:1}.tile.empty{background:#1a1f27}.tile.wall{background:#2d333b;box-shadow:inset 0 0 8px #0006}.tile.wall .tile-emoji{font-size:clamp(.8rem,3.5vw,1.2rem);opacity:.7}.tile.player{background:#1a2332;animation:player-pulse 1.5s ease-in-out infinite}@keyframes player-pulse{0%,to{box-shadow:inset 0 0 10px #58a6ff26}50%{box-shadow:inset 0 0 15px #58a6ff4d}}.tile.rock{background:#251d1d}.tile.melon{background:#152015;animation:melon-glow 2s ease-in-out infinite}@keyframes melon-glow{0%,to{box-shadow:inset 0 0 10px #3fb9501a}50%{box-shadow:inset 0 0 20px #3fb95040}}.tile.hole{background:#0d0d0d}.tile.key{background:#1f1a10;animation:key-shimmer 2s ease-in-out infinite}@keyframes key-shimmer{0%,to{box-shadow:inset 0 0 10px #d299221a}50%{box-shadow:inset 0 0 20px #d299224d}}.tile.door{background:#1a1510;border:2px solid var(--orange)}.tile.ice{background:#152028;box-shadow:inset 0 0 10px #58a6ff26}.tile.portal-a,.tile.portal-b{background:#1a1525;animation:portal-spin 3s linear infinite}@keyframes portal-spin{0%,to{box-shadow:inset 0 0 10px #bc8cff26}50%{box-shadow:inset 0 0 25px #bc8cff59}}.tile.exit{background:#0d200d}.legend{display:flex;gap:.75rem;justify-content:center;flex-wrap:wrap;padding:.5rem;font-size:.65rem;color:var(--text-dim)}.legend-item{display:flex;align-items:center;gap:.3rem}.tile.lg{width:1.3rem;height:1.3rem;border-radius:3px;font-size:.7rem;display:inline-flex;align-items:center;justify-content:center}.controls{display:flex;justify-content:center;padding:.5rem 0}.dpad{display:grid;grid-template-columns:repeat(3,3rem);grid-template-rows:repeat(3,3rem);gap:.25rem}.dpad-btn{border-radius:8px;border:1px solid var(--border);background:var(--surface);color:var(--text);cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:1.2rem;transition:all .1s;-webkit-tap-highlight-color:transparent;-webkit-user-select:none;user-select:none}.dpad-btn:active{background:var(--green-dark);border-color:var(--green);transform:scale(.95)}.dpad-btn.up{grid-column:2;grid-row:1}.dpad-btn.left{grid-column:1;grid-row:2}.dpad-btn.center{grid-column:2;grid-row:2;background:transparent;border-color:transparent;cursor:default}.dpad-btn.right{grid-column:3;grid-row:2}.dpad-btn.down{grid-column:2;grid-row:3}.dpad-btn.up span:before{content:"";display:block;width:0;height:0;border-left:.5rem solid transparent;border-right:.5rem solid transparent;border-bottom:.6rem solid var(--text-dim)}.dpad-btn.down span:before{content:"";display:block;width:0;height:0;border-left:.5rem solid transparent;border-right:.5rem solid transparent;border-top:.6rem solid var(--text-dim)}.dpad-btn.left span:before{content:"";display:block;width:0;height:0;border-top:.5rem solid transparent;border-bottom:.5rem solid transparent;border-right:.6rem solid var(--text-dim)}.dpad-btn.right span:before{content:"";display:block;width:0;height:0;border-top:.5rem solid transparent;border-bottom:.5rem solid transparent;border-left:.6rem solid var(--text-dim)}.win-screen{text-align:center;padding:3rem 2rem;background:var(--surface);border:1px solid var(--border);border-radius:16px;margin-top:2rem}.win-screen h1{font-size:2rem;background:linear-gradient(135deg,var(--green),var(--cyan));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin:1rem 0 .5rem}.win-screen p{color:var(--text-dim);margin-bottom:.5rem}.win-stats{font-family:ui-monospace,monospace;font-size:.85rem;color:var(--yellow)!important}.win-buttons{display:flex;gap:.75rem;justify-content:center;margin-top:1.5rem}.win-buttons button,.level-complete-card button{padding:.6rem 1.5rem;border-radius:8px;border:1px solid var(--green);background:var(--green-dark);color:#fff;font-weight:600;font-size:.95rem;cursor:pointer;transition:all .15s}.win-buttons button:hover,.level-complete-card button:hover{background:var(--green)}.win-melon,.complete-melon{font-size:3rem;display:block;margin:0 auto}.win-melon:before,.complete-melon:before{content:""}.level-complete-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000b3;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:100;animation:fadeIn .3s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.level-complete-card{text-align:center;padding:2.5rem 2rem;background:var(--surface);border:1px solid var(--green);border-radius:16px;box-shadow:0 0 40px #3fb95026;animation:popIn .3s ease}@keyframes popIn{0%{transform:scale(.8);opacity:0}to{transform:scale(1);opacity:1}}.level-complete-card h2{font-size:1.5rem;color:var(--green);margin:.75rem 0 .25rem}.level-complete-card p{color:var(--text-dim);margin-bottom:1rem}.level-complete-card button{margin-top:.5rem}@media(max-width:480px){.game-container{padding:.5rem;gap:.5rem}.game-header h1{font-size:1rem}.level-info h2{font-size:.95rem}.dpad{grid-template-columns:repeat(3,2.5rem);grid-template-rows:repeat(3,2.5rem)}}