:root{font-family:Inter,system-ui,Arial,sans-serif;color:#ecf4ff;background:#080d1c;font-synthesis:none}*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at 50% 12%,#25386c,#0a1020 50%,#070a13)}button{font:inherit;cursor:pointer;touch-action:manipulation}.app{max-width:500px;margin:auto;min-height:100dvh;padding-bottom:94px;background:linear-gradient(180deg,#0b1730,#090d1b 60%);box-shadow:0 0 60px #0007}header{padding:18px 16px 14px;background:#0b1022;border-bottom:1px solid #223253}.brand{display:flex;gap:10px;align-items:center}.brand strong{font-size:21px;letter-spacing:1px}.brand em{font-style:normal;color:#66c7ff}.brand small{display:block;color:#839bbd;font-size:11px}.logo{font-size:32px}.currencies{display:flex;gap:10px;margin-top:15px}.currencies span{padding:9px 13px;background:#162541;border:1px solid #29436a;border-radius:13px;flex:1;text-align:center}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;padding:12px}.stat{border:1px solid #2d446f;border-radius:13px;padding:10px 5px;text-align:center;background:#16213a}.stat span{display:block;font-size:11px;color:#a1b3d1}.stat b{display:block;margin-top:5px;font-size:16px}.panel{display:none;padding:12px}.panel.active{display:block}.cave{height:min(65vh,430px);min-height:310px;border:1px solid #254882;border-radius:22px;position:relative;overflow:hidden;background:radial-gradient(ellipse at 50% 57%,#3565a6 0,#27254a 24%,#17172e 49%,#0a142b 78%),repeating-linear-gradient(35deg,#ffffff0a 0 9px,transparent 10px 30px);box-shadow:inset 0 0 75px #000b}.cave:before,.cave:after{position:absolute;content:'💎';font-size:85px;opacity:.65;bottom:15px;filter:drop-shadow(0 0 19px #478bff)}.cave:before{left:-20px}.cave:after{right:-25px}.shimmer{position:absolute;inset:0;background:radial-gradient(ellipse at 50% 70%,#7763fa25,transparent 60%);animation:glow 4s infinite alternate}.cave-top{position:absolute;left:12px;right:12px;top:14px;display:flex;justify-content:space-between;gap:5px;font-size:11px;color:#c1d6ff;z-index:1}.ore{border:0;background:none;position:absolute;left:50%;top:47%;transform:translate(-50%,-50%);width:230px;height:230px;filter:drop-shadow(0 18px 19px #000b);transition:transform .08s}.ore span{font-size:164px;line-height:230px;filter:drop-shadow(0 0 34px #426cff);user-select:none}.ore.hit{transform:translate(-50%,-50%) scale(.89) rotate(-4deg)}.ore.broken{animation:break .4s}.ore i{position:absolute;left:50%;top:30%;opacity:0;color:#fff;pointer-events:none}.ore.hit i:after{content:'✦';font-size:55px;text-shadow:0 0 20px #fff}.ore.hit i{opacity:1}.hint{position:absolute;bottom:17px;width:100%;text-align:center;color:#b9c6eb;font-size:12px}.hp{padding:14px;margin-top:10px;background:#13213d;border:1px solid #2f4d79;border-radius:14px}.hphead{display:flex;justify-content:space-between;margin:0 0 10px;font-size:13px}.track{height:14px;border-radius:20px;background:#080d1d;overflow:hidden}.fill{height:100%;width:100%;border-radius:20px;background:linear-gradient(90deg,#1765e9,#36c4ff);transition:width .25s}.fill.red{background:linear-gradient(90deg,#fa385f,#ffa16a)}.cta{width:100%;border:1px solid #ffcf63;background:linear-gradient(180deg,#ffce6c,#ff8c17);border-radius:18px;padding:17px;color:#17171a;font-weight:900;font-size:22px;margin-top:12px;box-shadow:0 6px 24px #ec962f44}.cta:active{transform:scale(.98)}.double{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin-top:12px}.tile{border-radius:14px;background:#15243f;padding:14px 10px;border:1px solid #2d466d}.tile span{display:block;color:#aabfe0;font-size:12px}.tile b{display:block;font-size:12px;margin-top:7px}h2{font-size:21px}.shopitem{display:flex;align-items:center;justify-content:space-between;background:#162641;border-radius:15px;border:1px solid #2f4b77;padding:13px;margin:12px 0;gap:12px}.shopitem h3{margin:0}.shopitem p{font-size:12px;color:#a9b8d7}.shopitem b{color:#ffca6e}.shopitem button{color:white;border:1px solid #529ce9;background:#17488a;border-radius:12px;padding:12px}.bossart{height:270px;display:grid;place-content:center;font-size:130px;position:relative;background:radial-gradient(circle,#5f236e,#132344 55%,#12152b);border-radius:20px;margin-bottom:14px}.bossart span{position:absolute;left:55%;top:45%;font-size:50px}.inventory>div{display:flex;justify-content:space-between;padding:20px;margin:12px 0;border-radius:14px;background:#172744}p{line-height:1.5;color:#b5c8e6}nav{display:grid;grid-template-columns:repeat(5,1fr);position:fixed;bottom:0;left:50%;transform:translateX(-50%);width:min(100%,500px);padding-bottom:env(safe-area-inset-bottom);background:#0c1629f5;border-top:1px solid #234168}nav button{display:flex;flex-direction:column;align-items:center;gap:4px;background:transparent;border:0;color:#778bb0;padding:11px 1px;font-size:24px}nav button small{font-size:10px}nav button.sel{color:#67d1ff;background:#10345a;border-radius:13px}#toast{position:fixed;left:50%;bottom:105px;transform:translateX(-50%);background:#244574;color:#fff;padding:12px 18px;border-radius:12px;opacity:0;transition:opacity .2s;pointer-events:none;max-width:90vw;text-align:center;font-size:13px;z-index:99}#toast.on{opacity:1}@keyframes glow{to{opacity:.5}}@keyframes break{50%{filter:drop-shadow(0 0 35px #fff) brightness(2)}}

/* V0.2 illustrated cave and animated mining */
.cave{background:#081329 url('/assets/cave.svg') center/cover no-repeat;isolation:isolate}
.cave:before,.cave:after{content:none}
.cave-vignette{position:absolute;inset:0;background:radial-gradient(circle at 50% 50%,transparent 15%,#02071780 100%);pointer-events:none}
.ore{width:min(64vw,285px);height:min(64vw,285px);max-width:285px;max-height:285px;top:49%;z-index:2;overflow:visible}
.ore .rock-image{width:100%;height:100%;display:block;filter:drop-shadow(0 10px 18px #000a) drop-shadow(0 0 20px #1d70bf65)}
.ore.hit{transform:translate(-50%,-50%) scale(.96) rotate(-3deg)}
.ore .cracks{position:absolute;inset:16%;opacity:0;pointer-events:none;background:linear-gradient(128deg,transparent 45%,#e9faff 46%,#7bdcff 48%,transparent 50%) center/100% 100%;filter:drop-shadow(0 0 6px #6acbff)}
.ore.hit .cracks{opacity:.8}
.swing-pick{position:absolute;width:150px;height:150px;top:12%;right:-8%;z-index:4;pointer-events:none;transform-origin:80% 85%;transform:rotate(40deg);opacity:0;filter:drop-shadow(0 8px 10px #000b)}
.swing-pick.swing{animation:pickhit .34s ease-out both}
@keyframes pickhit{0%{opacity:1;transform:translate(50px,-40px) rotate(58deg)}45%{opacity:1;transform:translate(-110px,120px) rotate(-37deg)}70%{opacity:1;transform:translate(-118px,125px) rotate(-42deg)}100%{opacity:0;transform:translate(-20px,0) rotate(25deg)}}
.particles{position:absolute;inset:0;pointer-events:none;z-index:6}
.particle{position:absolute;left:50%;top:51%;width:8px;height:8px;background:#67ddff;box-shadow:0 0 12px #7de9ff;border-radius:2px;animation:spark .52s ease-out forwards;--dx:20px;--dy:-20px}
@keyframes spark{to{opacity:0;transform:translate(var(--dx),var(--dy)) rotate(160deg) scale(.35)}}
.ore.broken{animation:rockbreak .42s both}
@keyframes rockbreak{25%{filter:brightness(2);transform:translate(-50%,-50%) scale(1.08)}65%{opacity:.25;transform:translate(-50%,-50%) scale(.82) rotate(9deg)}100%{opacity:1;transform:translate(-50%,-50%) scale(1)}}
.cta{display:flex;align-items:center;justify-content:center;gap:12px}.cta img{width:38px;height:38px}
.hint{z-index:4;text-shadow:0 2px 6px #000;font-size:13px}

/* AVENTIS coin economy artwork and earned-coin animation */
.currencies .coin-balance{display:flex;align-items:center;justify-content:center;gap:8px;color:#ffe29a;font-weight:800}
.coin-icon{width:26px;height:26px;object-fit:contain;filter:drop-shadow(0 2px 5px #e8992460)}
.coin-balance.gain .coin-icon{animation:coinPulse .48s ease-out}
.coin-reward{position:absolute;z-index:15;display:flex;align-items:center;justify-content:center;gap:5px;left:50%;top:32%;transform:translate(-50%,15px) scale(.65);opacity:0;pointer-events:none;color:#ffe58b;font-size:25px;font-weight:900;text-shadow:0 3px 8px #000,0 0 14px #ffaf19}
.coin-reward img{width:46px;height:46px;filter:drop-shadow(0 0 14px #ffb82e)}
.coin-reward.show{animation:coinFloat 1.15s ease-out both}
@keyframes coinFloat{0%{opacity:0;transform:translate(-50%,24px) scale(.65)}18%{opacity:1;transform:translate(-50%,0) scale(1.15)}75%{opacity:1}100%{opacity:0;transform:translate(-50%,-75px) scale(.9)}}
@keyframes coinPulse{0%{transform:scale(1)}35%{transform:scale(1.3) rotate(-16deg)}70%{transform:scale(.93) rotate(10deg)}100%{transform:scale(1)}}
@media (prefers-reduced-motion:reduce){.coin-reward.show,.coin-balance.gain .coin-icon{animation:none}.coin-reward.show{opacity:1;transform:translate(-50%,0)}}

/* AVENTIS DEPTHS v0.4 — premium mobile mine */
:root{font-family:Inter,system-ui,-apple-system,Arial,sans-serif}
body{background:#050912}.app{max-width:500px;background:linear-gradient(#091326,#080e1c 60%);padding-bottom:calc(83px + env(safe-area-inset-bottom))}
header{padding:13px 14px 12px;background:linear-gradient(120deg,#0c1a32,#0b1125);border-color:#25405e}.brand{gap:12px}.logo{display:grid;place-items:center;width:39px;height:39px;border:1px solid #35b9ed;border-radius:11px;transform:rotate(45deg);background:linear-gradient(135deg,#042646,#0d7ca8);color:#eafcff;text-shadow:0 0 14px #9bf8ff;box-shadow:0 0 23px #1fcaff40;font-size:27px}.brand strong{font-size:19px}.brand small{font-size:11px;margin-top:2px}.currencies{margin-top:11px;gap:8px}.currencies span{display:flex;align-items:center;justify-content:center;gap:7px;padding:7px 10px;background:linear-gradient(130deg,#132c4c,#101a34);border:1px solid #315477;font-weight:800}.coin-icon,.gem-icon{width:24px;height:24px;object-fit:contain;filter:drop-shadow(0 0 5px #ffd06e80)}.stats{padding:10px 12px 5px;gap:7px}.stat{padding:10px 4px;background:linear-gradient(150deg,#132743,#0c1933);border-color:#2e5374}.stat b{font-size:15px}.stat span{font-size:10px}.panel{padding:10px 12px}.cave{height:clamp(280px,52vh,470px);min-height:280px;border-radius:19px;border:1px solid #23639b;background:#091326 url('/assets/cave.svg') center / cover no-repeat;box-shadow:inset 0 0 45px #02040d,0 4px 18px #0005;overflow:hidden}.depth-haze{position:absolute;inset:0;background:radial-gradient(ellipse at 50% 48%,#31b4ff23,transparent 61%);pointer-events:none}.cave-top{font-weight:800;font-size:10px;color:#c7e9ff;top:11px;z-index:10}.ore{width:min(70vw,298px);height:min(70vw,298px);top:52%;filter:drop-shadow(0 16px 24px #000b)}.ore .rock-image{filter:drop-shadow(0 13px 13px #020610) drop-shadow(0 0 16px #339dfb72)}.ore-glow{position:absolute;inset:10%;border-radius:50%;box-shadow:0 0 65px 18px #2789ee35;z-index:-1;pointer-events:none}.ore.hit .rock-image{filter:drop-shadow(0 0 24px #7eecff) brightness(1.3)}.cracks{z-index:5}.swing-pick{width:170px;height:170px;top:7%;right:-4%}.shimmer{animation:glow 2.8s infinite alternate}.hint{bottom:11px;font-size:11px;letter-spacing:.12px}.ore-name{font-weight:800;font-size:12px;letter-spacing:.5px;color:#c9e7ff;text-align:center;padding:8px 0 2px}.ore-name small{display:block;color:#7199b9;font-weight:500;font-size:10px;margin-top:2px}.hp{margin-top:9px;padding:11px 12px;border-radius:13px;background:#0c203b;border-color:#256898}.hphead{margin-bottom:7px}.track{height:11px;background:#071225}.fill{background:linear-gradient(90deg,#0d86e5,#42e1ff);box-shadow:0 0 15px #33c9ff70}.cta{margin-top:10px;border-radius:14px;padding:12px;font-size:22px;min-height:60px;background:linear-gradient(#ffdc86,#ffb531 48%,#f58a19);box-shadow:0 0 18px #e7903466,inset 0 2px #fff4b6;border:1px solid #ffe8a7;letter-spacing:.8px}.cta img{height:34px;width:34px}.double{margin-top:9px}.tile{padding:11px 9px;background:#101e36;border-color:#304b72}.tile b{font-size:12px}.panel:not(#mine){padding-top:15px}nav{background:#070f21f7;border-top:1px solid #275073;box-shadow:0 -10px 25px #03081288}nav button{padding:9px 1px;font-size:22px}nav button small{font-size:9px}nav button.sel{background:linear-gradient(#10456d,#0a2645);color:#83e7ff}.particle{background:#e1fcff;box-shadow:0 0 17px #43d8ff}.shard-layer{position:absolute;inset:0;z-index:9;pointer-events:none}.shard{position:absolute;left:50%;top:52%;width:21px;height:25px;background:linear-gradient(125deg,#7d92b3 35%,#24364d 35%,#0d182e 80%);clip-path:polygon(10% 10%,80% 0,100% 50%,50% 100%,0 70%);animation:shardfly .72s cubic-bezier(.16,.65,.6,1) forwards;filter:drop-shadow(0 0 5px #4cb5ff);transform:translate(-50%,-50%)}@keyframes shardfly{to{opacity:0;transform:translate(var(--dx),var(--dy)) rotate(var(--rot)) scale(.4)}}.coin-float{position:absolute;left:50%;top:43%;z-index:12;pointer-events:none;font-size:20px;font-weight:900;color:#ffe183;text-shadow:0 0 8px #ac621d,0 2px 4px #000;animation:coinrise 1.05s ease-out forwards}@keyframes coinrise{to{transform:translate(-50%,-95px);opacity:0}}.ore.broken{animation:rockbreak .48s both}
@media(max-width:370px){header{padding:10px}.brand strong{font-size:17px}.stat b{font-size:13px}.cave{height:clamp(270px,45vh,350px)}.ore{width:min(69vw,258px);height:min(69vw,258px)}.cta{min-height:54px}.stat span{font-size:9px}}
@media(prefers-reduced-motion:reduce){.shimmer,.swing-pick.swing,.ore.broken,.shard,.particle,.coin-float{animation-duration:.01ms!important}}