:root{--stone:#18130f;--stone-2:#261f18;--mine:#332819;--gold:#f5b43b;--gold-2:#ffd66e;--mint:#5ee6a8;--ruby:#ff5b45;--sky:#73b7ff;--paper:#fff3d6;--line:#100d0a;--shadow:0 10px 0 #100d0a}*{box-sizing:border-box}html{min-height:100%;background:var(--stone)}body{min-height:100vh;margin:0;color:var(--paper);background:linear-gradient(135deg,transparent 0 30%,rgba(245,180,59,.12) 30% 31%,transparent 31% 100%),radial-gradient(circle at 20% 8%,rgba(94,230,168,.18),transparent 18rem),radial-gradient(circle at 82% 28%,rgba(255,91,69,.16),transparent 18rem),var(--stone);font-family:Trebuchet MS,Avenir Next,system-ui,sans-serif;letter-spacing:0}button,input{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.48}.miner-shell{min-height:100svh;display:grid;place-items:center;padding:16px}.miner-stage{width:min(100%,520px);min-height:calc(100svh - 32px);display:flex;flex-direction:column;justify-content:center}.panel{width:100%;border:4px solid var(--line);background:linear-gradient(180deg,#3b2d1d,var(--mine));box-shadow:var(--shadow);padding:18px;position:relative;overflow:hidden}.panel:before{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(90deg,rgba(255,255,255,.04) 0 2px,transparent 2px 40px),linear-gradient(0deg,rgba(255,255,255,.035) 0 2px,transparent 2px 40px)}.panel>*{position:relative}.kicker{display:inline-flex;border:3px solid var(--line);background:var(--mint);color:var(--line);padding:7px 10px;font-size:.78rem;font-weight:1000;text-transform:uppercase}.title{margin:18px 0 6px;color:var(--gold-2);font-family:Georgia,Times New Roman,serif;font-size:clamp(3.2rem,16vw,5.5rem);line-height:.84;text-shadow:4px 4px 0 var(--line)}.subtitle{max-width:19rem;margin:0 0 18px;font-size:1.15rem;font-weight:900}.button-row{display:grid;grid-gap:10px;gap:10px;margin-top:14px}.primary-button,.secondary-button,.small-button{min-height:56px;border:4px solid var(--line);color:var(--line);font-size:1.05rem;font-weight:1000;text-transform:uppercase;box-shadow:0 7px 0 var(--line);transition:transform .12s ease,box-shadow .12s ease}.primary-button{background:var(--gold)}.secondary-button{background:var(--mint)}.small-button{min-height:44px;background:var(--sky);font-size:.86rem}.primary-button:active,.secondary-button:active,.small-button:active{transform:translateY(5px);box-shadow:0 2px 0 var(--line)}.stat-strip{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:8px;gap:8px}.stat{min-width:0;border:3px solid var(--line);background:var(--paper);color:var(--line);padding:8px}.label,.stat span{display:block;font-size:.72rem;font-weight:1000;text-transform:uppercase;opacity:.72}.stat strong{display:block;font-size:clamp(1.25rem,8vw,2rem);line-height:1}.timer-hot{background:var(--ruby);color:white}.coin-card{margin-top:16px;border:3px solid var(--line);background:var(--paper);color:var(--line);padding:14px;font-weight:1000}.coin-card strong{display:block;margin-top:2px;font-size:2rem}.placeholder-grid{display:grid;grid-template-columns:1fr 1fr;grid-gap:10px;gap:10px;margin-top:14px}.placeholder{border:3px dashed rgba(255,243,214,.5);padding:12px;font-weight:900;color:rgba(255,243,214,.7)}.word-bar{margin:14px 0;border:4px solid var(--line);background:var(--paper);color:var(--line);min-height:66px;display:flex;align-items:center;justify-content:center;padding:10px;font-size:clamp(1.8rem,10vw,3.2rem);font-weight:1000;text-transform:uppercase}.grid{display:grid;grid-template-columns:repeat(4,1fr);grid-gap:8px;gap:8px;aspect-ratio:1}.tile{border:4px solid var(--line);background:#5b4630;color:var(--paper);font-size:clamp(1.55rem,10vw,2.7rem);font-weight:1000;box-shadow:inset 0 -8px 0 rgba(0,0,0,.22);transition:transform .12s ease,background .12s ease}.tile.selected{background:var(--gold);color:var(--line);transform:translateY(-4px) rotate(-2deg)}.tile.selectable{outline:3px solid var(--mint);outline-offset:-7px}.actions{display:grid;grid-template-columns:1fr 1fr;grid-gap:10px;gap:10px;margin-top:12px}.feedback{min-height:38px;margin-top:12px;border:3px solid var(--line);background:var(--paper);color:var(--line);padding:8px 10px;font-weight:1000}.feedback.good{background:#b9ffd6}.feedback.bad{background:#ffb4a6}.found{margin-top:14px}.found h2{margin:0 0 8px;font-size:.82rem;text-transform:uppercase}.word-list{display:flex;min-height:42px;gap:8px;overflow-x:auto;padding-bottom:6px}.chip{flex:0 0 auto;border:3px solid var(--line);background:var(--paper);color:var(--line);padding:8px 10px;font-weight:1000;text-transform:uppercase}.pop{animation:pop .22s ease}.shake{animation:shake .24s ease}.coin-float{position:absolute;right:22px;top:112px;color:var(--gold-2);font-weight:1000;animation:float-up .7s ease forwards}.summary-grid{display:grid;grid-template-columns:1fr 1fr;grid-gap:10px;gap:10px;margin:16px 0}.summary-box{border:3px solid var(--line);background:var(--paper);color:var(--line);padding:12px}.summary-box strong{display:block;margin-top:3px;overflow-wrap:anywhere;font-size:1.5rem}.upgrade-list{display:grid;grid-gap:10px;gap:10px;margin-top:14px}.upgrade-card{border:3px solid var(--line);background:var(--paper);color:var(--line);padding:12px}.upgrade-card h2{margin:0;font-size:1.1rem}.upgrade-card p{margin:5px 0 8px;font-weight:800}.upgrade-meta{display:grid;grid-template-columns:1fr 1fr;grid-gap:8px;gap:8px;margin-bottom:10px;font-weight:1000}@keyframes pop{50%{transform:scale(1.02)}}@keyframes shake{20%{transform:translateX(-5px)}60%{transform:translateX(5px)}}@keyframes float-up{to{transform:translateY(-38px);opacity:0}}@media (max-width:380px){.miner-shell{padding:10px}.panel{padding:14px;box-shadow:0 7px 0 var(--line)}.grid{gap:6px}.stat{padding:7px 5px}}