*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--dirt: #8B5E3C;--stone: #7A7A7A;--deepstone: #4A4A5A;--coal: #2C2C2C;--iron: #C0A080;--gold: #FFD700;--diamond: #00FFEE;--nether: #FF4400;--lava: #FF6600;--bg-dark: #0D0D12;--bg-mid: #141420;--panel: rgba(10,10,18,.92);--border: rgba(255,255,255,.08);--text-primary: #F0EAD6;--text-dim: #8A8A9A;--accent: #FFD700;--accent2: #00FFEE;--danger: #FF3333;--success: #44FF88;--pixel: "Press Start 2P", monospace;--vt: "VT323", monospace;--shadow-px: 2px 2px 0px rgba(0,0,0,.8);--shadow-glow: 0 0 20px rgba(255,215,0,.4)}html,body{width:100%;height:100%;background:var(--bg-dark);color:var(--text-primary);font-family:var(--pixel);overflow:hidden;image-rendering:pixelated;image-rendering:crisp-edges}#app{width:100%;height:100%;position:relative}.screen{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;transition:opacity .3s ease}.screen.hidden{opacity:0;pointer-events:none}#screen-title{background:var(--bg-dark);overflow:hidden}#title-canvas{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%}.title-content{position:relative;z-index:10;text-align:center;display:flex;flex-direction:column;align-items:center;gap:24px}.game-logo{display:flex;flex-direction:column;align-items:center;gap:8px}.logo-main{font-family:var(--pixel);font-size:clamp(20px,4vw,42px);color:var(--accent);text-shadow:4px 4px 0px #8B6000,2px 2px 0px #5A4000,0 0 40px rgba(255,215,0,.6);letter-spacing:2px;line-height:1.4}.logo-sub{font-family:var(--vt);font-size:clamp(18px,3vw,28px);color:var(--accent2);text-shadow:0 0 20px rgba(0,255,238,.5);letter-spacing:4px}.title-tagline{font-family:var(--vt);font-size:clamp(14px,2vw,22px);color:var(--text-dim);letter-spacing:2px}.pixel-divider{width:200px;height:4px;background:repeating-linear-gradient(90deg,var(--accent) 0px,var(--accent) 8px,transparent 8px,transparent 16px);image-rendering:pixelated}.btn{font-family:var(--pixel);font-size:clamp(8px,1.5vw,13px);padding:14px 28px;border:none;cursor:pointer;text-transform:uppercase;letter-spacing:1px;transition:transform .1s,filter .1s;position:relative;image-rendering:pixelated}.btn:active{transform:translate(2px,2px)}.btn-primary{background:var(--accent);color:#1a1000;box-shadow:4px 4px #8b6000,6px 6px #3a2800}.btn-primary:hover{filter:brightness(1.2);transform:translate(-1px,-1px);box-shadow:5px 5px #8b6000,7px 7px #3a2800}.btn-secondary{background:var(--deepstone);color:var(--text-primary);box-shadow:4px 4px #1a1a2a,6px 6px #0a0a14}.btn-secondary:hover{filter:brightness(1.3);transform:translate(-1px,-1px)}.btn-danger{background:var(--danger);color:#fff;box-shadow:4px 4px maroon,6px 6px #300000}.btn-danger:hover{filter:brightness(1.2);transform:translate(-1px,-1px)}.btn-tnt{background:#c20;color:#fff;box-shadow:4px 4px #600,6px 6px #200;font-size:clamp(7px,1.2vw,11px)}.btn-tnt:hover{filter:brightness(1.3);transform:translate(-1px,-1px)}.btn-upgrade{background:var(--accent2);color:#001a18;box-shadow:4px 4px #007a70,6px 6px #003530;font-size:clamp(7px,1.2vw,11px);padding:10px 16px}.btn-upgrade:hover{filter:brightness(1.15);transform:translate(-1px,-1px)}.btn-upgrade:disabled{background:var(--deepstone);color:var(--text-dim);box-shadow:2px 2px #1a1a2a;cursor:not-allowed;transform:none;filter:none}#screen-game{background:var(--bg-dark);flex-direction:row;align-items:stretch;justify-content:stretch;padding:0}#hud-top{position:absolute;top:0;left:0;right:0;height:60px;background:#05050af2;border-bottom:3px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 16px;z-index:100;gap:12px}.hud-section{display:flex;align-items:center;gap:10px}.hud-label{font-family:var(--vt);font-size:18px;color:var(--text-dim);white-space:nowrap}.hud-value{font-family:var(--pixel);font-size:clamp(7px,1.2vw,11px);color:var(--accent);text-shadow:var(--shadow-px)}.hud-value.cyan{color:var(--accent2)}.hud-value.red{color:var(--danger)}.depth-badge{background:var(--deepstone);border:2px solid var(--border);padding:4px 10px;display:flex;align-items:center;gap:6px}#session-timer{font-family:var(--pixel);font-size:clamp(10px,1.8vw,16px);color:#fff;background:var(--bg-mid);border:2px solid var(--border);padding:6px 12px;min-width:80px;text-align:center;transition:color .3s}#session-timer.warning{color:var(--accent);animation:blink-warn .8s infinite}#session-timer.danger{color:var(--danger);animation:blink-warn .4s infinite}@keyframes blink-warn{0%,to{opacity:1}50%{opacity:.3}}.score-pop{position:absolute;font-family:var(--pixel);font-size:10px;pointer-events:none;z-index:200;animation:score-float 1.2s ease-out forwards}@keyframes score-float{0%{opacity:1;transform:translateY(0) scale(1)}to{opacity:0;transform:translateY(-60px) scale(.7)}}#game-wrapper{position:absolute;top:60px;left:0;bottom:0;right:280px;overflow:hidden}#game-canvas{display:block;width:100%;height:100%;image-rendering:pixelated;image-rendering:crisp-edges}#side-panel{position:absolute;top:60px;right:0;width:280px;bottom:0;background:#080810f7;border-left:3px solid var(--border);display:flex;flex-direction:column;overflow-y:auto;overflow-x:hidden;padding:12px;gap:12px}#side-panel::-webkit-scrollbar{width:4px}#side-panel::-webkit-scrollbar-track{background:#0a0a14}#side-panel::-webkit-scrollbar-thumb{background:var(--deepstone)}.panel-section{background:#ffffff08;border:2px solid var(--border);padding:10px}.panel-title{font-family:var(--pixel);font-size:8px;color:var(--text-dim);letter-spacing:2px;margin-bottom:8px;border-bottom:1px solid var(--border);padding-bottom:6px;text-transform:uppercase}.tool-display{display:flex;flex-direction:column;gap:8px}.tool-card{display:flex;align-items:center;gap:8px;padding:6px;border:2px solid transparent;transition:border-color .2s;cursor:pointer}.tool-card.active{border-color:var(--accent);background:#ffd7000d}.tool-icon{width:32px;height:32px;display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0;image-rendering:pixelated}.tool-info{flex:1;min-width:0}.tool-name{font-family:var(--pixel);font-size:7px;color:var(--text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.tool-tier-badge{display:inline-block;font-family:var(--vt);font-size:13px;padding:1px 5px;margin-top:2px}.durability-bar-wrap{width:100%;height:6px;background:#00000080;border:1px solid rgba(255,255,255,.1);margin-top:3px;position:relative}.durability-bar{height:100%;transition:width .2s,background .3s}.inventory-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:4px}.inv-slot{aspect-ratio:1;background:#0006;border:2px solid rgba(255,255,255,.08);display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:18px;position:relative;cursor:default;transition:border-color .15s}.inv-slot:hover{border-color:#ffffff40}.inv-count{position:absolute;bottom:1px;right:2px;font-family:var(--pixel);font-size:6px;color:var(--text-primary);text-shadow:1px 1px 0 #000}.upgrade-list{display:flex;flex-direction:column;gap:8px}.upgrade-item{display:flex;flex-direction:column;gap:4px;padding:6px;border:1px solid var(--border);background:#0000004d}.upgrade-row{display:flex;align-items:center;justify-content:space-between;gap:4px}.upgrade-name{font-family:var(--pixel);font-size:7px;color:var(--text-primary)}.upgrade-cost{font-family:var(--vt);font-size:14px;color:var(--accent)}.controls-grid{display:grid;grid-template-columns:auto 1fr;gap:4px 8px;align-items:center}.key-badge{background:var(--deepstone);border:1px solid rgba(255,255,255,.2);border-bottom:2px solid rgba(0,0,0,.5);font-family:var(--pixel);font-size:6px;color:var(--text-primary);padding:2px 5px;text-align:center;white-space:nowrap}.key-desc{font-family:var(--vt);font-size:14px;color:var(--text-dim)}#depth-meter{position:absolute;left:8px;top:70px;bottom:8px;width:18px;z-index:50;display:flex;flex-direction:column;align-items:center;gap:2px}.depth-track{flex:1;width:8px;background:#0009;border:1px solid var(--border);position:relative;overflow:hidden}.depth-fill{position:absolute;bottom:0;left:0;right:0;background:linear-gradient(to top,var(--lava),var(--gold),var(--diamond));transition:height .5s ease}.depth-label{font-family:var(--vt);font-size:11px;color:var(--text-dim);writing-mode:vertical-rl;transform:rotate(180deg);letter-spacing:1px}.particle{position:absolute;pointer-events:none;border-radius:0;image-rendering:pixelated;animation:particle-fly linear forwards}@keyframes particle-fly{0%{opacity:1;transform:translate(0) scale(1)}to{opacity:0;transform:translate(var(--dx),var(--dy)) scale(0)}}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000d9;display:flex;align-items:center;justify-content:center;z-index:1000;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.modal-overlay.hidden{display:none}.modal-box{background:var(--bg-mid);border:3px solid var(--border);padding:32px;max-width:480px;width:90%;text-align:center;display:flex;flex-direction:column;align-items:center;gap:16px;box-shadow:0 0 60px #000000e6,8px 8px #00000080;position:relative}.modal-title{font-family:var(--pixel);font-size:clamp(12px,2.5vw,20px);text-shadow:var(--shadow-px)}.modal-subtitle{font-family:var(--vt);font-size:clamp(16px,2.5vw,22px);color:var(--text-dim);letter-spacing:2px}.modal-stats{display:grid;grid-template-columns:1fr 1fr;gap:8px;width:100%}.stat-box{background:#0006;border:1px solid var(--border);padding:10px;display:flex;flex-direction:column;align-items:center;gap:4px}.stat-label{font-family:var(--vt);font-size:14px;color:var(--text-dim)}.stat-value{font-family:var(--pixel);font-size:clamp(10px,2vw,14px);color:var(--accent)}.modal-buttons{display:flex;gap:12px;flex-wrap:wrap;justify-content:center}.tnt-flash{position:fixed;top:0;right:0;bottom:0;left:0;background:#ff64004d;pointer-events:none;z-index:500;animation:tnt-flash .4s ease-out forwards}@keyframes tnt-flash{0%{opacity:1}to{opacity:0}}.toast{position:fixed;top:75px;left:50%;transform:translate(-50%);background:#0a0a14f2;border:2px solid var(--accent);padding:8px 18px;font-family:var(--pixel);font-size:9px;color:var(--accent);z-index:900;animation:toast-anim 2.5s ease forwards;white-space:nowrap;box-shadow:4px 4px #000000b3;pointer-events:none}.toast.cyan{border-color:var(--accent2);color:var(--accent2)}.toast.red{border-color:var(--danger);color:var(--danger)}.toast.green{border-color:var(--success);color:var(--success)}@keyframes toast-anim{0%{opacity:0;transform:translate(-50%) translateY(-10px)}15%{opacity:1;transform:translate(-50%) translateY(0)}80%{opacity:1}to{opacity:0;transform:translate(-50%) translateY(-10px)}}.falling-item{position:absolute;pointer-events:none;font-size:24px;z-index:30;animation:fall-spin linear forwards;filter:drop-shadow(0 0 6px rgba(255,215,0,.8))}@keyframes fall-spin{0%{transform:rotate(0) scale(1);opacity:1}to{transform:rotate(360deg) scale(.8);opacity:.8}}.strata-label{position:absolute;right:8px;font-family:var(--vt);font-size:16px;color:#fff6;pointer-events:none;text-shadow:1px 1px 0 rgba(0,0,0,.8);letter-spacing:2px}@media (max-width: 768px){#side-panel{width:200px}#game-wrapper{right:200px}#hud-top{height:50px;padding:0 8px}#game-wrapper,#side-panel{top:50px}}@media (max-width: 520px){#side-panel{display:none}#game-wrapper{right:0}}body:after{content:"";position:fixed;top:0;right:0;bottom:0;left:0;background:repeating-linear-gradient(0deg,transparent,transparent 2px,rgba(0,0,0,.04) 2px,rgba(0,0,0,.04) 4px);pointer-events:none;z-index:9999}.pixel-corner{position:absolute;width:8px;height:8px;background:var(--accent)}.pixel-corner.tl{top:0;left:0}.pixel-corner.tr{top:0;right:0}.pixel-corner.bl{bottom:0;left:0}.pixel-corner.br{bottom:0;right:0}