@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Space+Grotesk:wght@400;500;600;700&display=swap');
:root{color-scheme:dark;--bg:#101615;--panel:#19201e;--muted:#8f9a92;--gold:#f4ce77;--line:#303a33}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:#ecf0e9;font-family:'DM Sans','Microsoft Yahei',sans-serif}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer}button:disabled{opacity:.4;cursor:default}button:focus-visible,a:focus-visible{outline:3px solid #a6dfd3;outline-offset:5px}main{max-width:1320px;margin:auto;padding:0 48px}header{height:104px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:inherit;font-family:'Space Grotesk',sans-serif;font-weight:700;letter-spacing:2px;font-size:18px}.mark{font-size:42px;color:var(--gold);line-height:1}.brand small{display:block;font-size:12px;letter-spacing:5px;font-weight:400;margin-top:5px;color:#b0b8ae}.edition{color:#8b958c;font-size:12px;letter-spacing:2px}.edition span{color:var(--gold)}.icon-btn{border:1px solid var(--line);background:transparent;color:#c9d0c7;min-width:42px;min-height:42px;border-radius:9px;font-size:20px;display:flex;align-items:center;justify-content:center;gap:8px}.icon-btn span{font-size:12px}.icon-btn#sound{padding:0 13px}.title-row{display:flex;justify-content:space-between;align-items:end;padding:36px 0 30px}.eyebrow{font-size:12px;font-weight:600;letter-spacing:2.3px;color:var(--gold);font-family:'Space Grotesk',sans-serif}h1{margin:10px 0 0;font-size:38px;letter-spacing:-1.4px;font-weight:600}h1 span{color:var(--gold)}.title-row p{margin:0 0 3px;font-size:14px;line-height:1.9;color:var(--muted)}.game-shell{border:1px solid #3d4639;border-radius:18px;overflow:hidden;background:var(--panel);box-shadow:0 24px 70px #0003}.dashboard{height:104px;padding:21px 30px;display:flex;align-items:center;gap:30px}.level{display:flex;gap:16px;align-items:center;flex:1}.level-number{font-family:'Space Grotesk',sans-serif;font-size:32px;letter-spacing:-2px;color:var(--gold);border:1px solid #52513a;border-radius:10px;padding:9px 12px;background:#f4ce7707}.label{display:block;font-size:12px;color:var(--muted);margin-bottom:5px}.level strong{font-size:16px;font-weight:500}.score{width:35%;margin-right:auto}.score strong{font-family:'Space Grotesk',sans-serif;font-size:27px;font-weight:500}.score i{font-style:normal;color:var(--gold);font-size:20px}.score small{font-size:16px;color:var(--muted)}.progress{height:3px;background:#343d31;margin-top:8px;border-radius:3px}.progress div{height:100%;width:0;background:var(--gold);transition:width .3s}.timer{min-width:75px}.timer strong{font-family:'Space Grotesk',sans-serif;font-size:32px;font-weight:500}.timer small{font-size:16px;color:var(--muted);padding-left:4px}.arena{position:relative;background:#111c1c;aspect-ratio:1100/540;overflow:hidden}canvas{display:block;width:100%;height:100%;touch-action:manipulation}.depth{position:absolute;left:24px;bottom:22px;letter-spacing:2px;font-size:12px;color:#718d86;pointer-events:none}.depth b{font-weight:500;color:#a4b9aa}.depth span{display:block;font-size:12px;letter-spacing:1px;margin-top:8px;color:#57736b}.mine-label{position:absolute;left:24px;top:23px;letter-spacing:2px;color:#8e9b86;font-size:12px}.mine-label span{display:inline-block;width:5px;height:5px;background:#d4c174;border-radius:50%;margin-right:9px}.overlay{position:absolute;inset:0;display:grid;place-items:center;background:#0b171746;backdrop-filter:blur(3px);text-align:center}.overlay[hidden]{display:none}.overlay-content{padding:28px 36px;background:linear-gradient(140deg,#172824ed,#111c1aee);border:1px solid #71856850;border-radius:16px;box-shadow:0 20px 90px #0005}.overlay h2{font-size:36px;margin:14px 0 12px;font-weight:600;letter-spacing:-1px}.overlay p{font-size:14px;color:#acb7a9;line-height:1.9;margin:0 0 23px}.primary{background:var(--gold);border:1px solid #ffe1a1;color:#24271d;border-radius:9px;padding:13px 25px;font-weight:700;min-height:48px;transition:background .2s,transform .2s}.primary:hover:not(:disabled){background:#ffdf94;transform:translateY(-1px)}.primary span{margin-left:30px;font-size:20px}.overlay small{display:block;color:#859384;font-size:12px;margin-top:18px}.controls{height:84px;padding:17px 30px;display:flex;gap:22px;align-items:center}.key-hints{display:flex;gap:9px;align-items:center;color:var(--muted);font-size:12px;flex:1}kbd{font-family:'Space Grotesk',sans-serif;display:inline-flex;justify-content:center;align-items:center;font-size:12px;color:#afb9ab;padding:5px 7px;border:1px solid #46503f;border-bottom-width:2px;border-radius:5px}.drop{min-width:230px}.bomb{background:none;border:1px solid #47503e;border-radius:9px;color:#c7d0bf;padding:11px 16px;display:flex;gap:12px;align-items:center;height:48px;font-size:14px}.bomb>span{font-size:24px;color:var(--gold)}.bomb b{color:var(--gold)}.below{margin-top:22px;display:grid;grid-template-columns:1fr 300px;gap:20px}.field-guide{display:flex;align-items:center;justify-content:space-between;gap:18px;border:1px solid var(--line);border-radius:12px;padding:22px}.guide-heading .eyebrow{font-size:12px;letter-spacing:1px;color:#788474}h3{font-size:14px;margin:5px 0 0;font-weight:500}.ore-item{display:flex;align-items:center;gap:10px}.ore{font-size:35px}.gold{color:var(--gold)}.diamond{color:#9adec7}.rock{color:#81938d}.ore-item strong{font-size:14px;font-weight:500}.ore-item small{display:block;font-size:12px;color:var(--muted);margin-top:6px}.ore-item i{font-style:normal;padding:0 3px}.tip{padding:18px 20px;border:1px solid var(--line);border-radius:12px;display:flex;gap:14px;align-items:center}.tip>span{color:var(--gold);font-size:28px}.tip p{margin:0;color:#899582;font-size:12px;line-height:1.9}.tip strong{font-weight:400;color:#b6c0ae}footer{display:flex;justify-content:space-between;color:#697565;font-size:12px;padding:25px 0}footer span:last-child{font-family:'Space Grotesk',sans-serif;letter-spacing:1.5px}footer i{color:var(--gold);font-style:normal;margin-left:12px}#toast{position:absolute;left:50%;top:20%;transform:translateX(-50%);padding:8px 16px;background:#16261be8;border:1px solid #617d50;border-radius:30px;color:var(--gold);font-size:16px;opacity:0;transition:opacity .2s;pointer-events:none;white-space:nowrap}@media(min-width:1500px){main{padding-top:12px}.arena{max-height:550px}}@media(max-width:1000px){main{padding:0 24px}.below{grid-template-columns:1fr}.tip{display:none}.dashboard{gap:20px}.controls{gap:12px}.drop{min-width:180px}.key-hints{gap:5px}.edition{display:none}}@media(max-width:600px){main{padding:0 16px}header{height:80px}.brand{font-size:15px}.mark{font-size:34px}.title-row{padding:25px 0 22px}h1{font-size:29px}.title-row p{display:none}.dashboard{height:96px;padding:16px 14px;gap:12px}.level{gap:8px}.level-number{font-size:23px;padding:7px}.level strong{font-size:12px}.score{width:30%}.score strong{font-size:23px}.score small{font-size:12px}.timer{min-width:40px}.timer strong{font-size:25px}.dashboard .icon-btn{min-width:34px;min-height:38px}.arena{aspect-ratio:4/5}.mine-label{left:14px;top:15px;font-size:10px}.depth{left:14px;bottom:15px}.overlay-content{padding:25px 20px;width:85%}.overlay h2{font-size:30px}.overlay .eyebrow{font-size:10px}.controls{height:82px;padding:14px;gap:10px}.key-hints{display:none}.drop{flex:1;min-width:0;padding:12px 14px}.primary span{margin-left:12px}.bomb{padding:10px;gap:8px}.bomb kbd{display:none}.field-guide{padding:16px 12px;gap:10px;flex-wrap:wrap}.guide-heading{width:100%;display:flex;gap:12px;align-items:center}.guide-heading h3{margin:0}.ore{font-size:25px}.ore-item{gap:6px}.ore-item small{font-size:12px}.ore-item small i{display:none}.ore-item small{max-width:76px;line-height:1.6}.below{margin-top:16px}footer{font-size:12px}footer span:last-child{font-size:9px;letter-spacing:0}}@media(prefers-reduced-motion:reduce){*{transition:none!important}}