:root{--bg: #12161c;--panel: #1b212b;--panel-lit: #242c38;--edge-light: #37445a;--edge-dark: #0b0e13;--text: #e8eef5;--text-dim: #93a2b5;--grass: #6fbf4a;--gold: #f2c14e;--diamond: #52d6e2;--tap: 56px}*{box-sizing:border-box}html,body{height:100%;margin:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;-webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent;overscroll-behavior:none}body{padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);touch-action:manipulation}h1{margin:0;font-size:clamp(24px,5vh,40px);letter-spacing:.04em}h1 .craft{color:var(--grass)}p{margin:0;max-width:40rem;line-height:1.4}.dim{color:var(--text-dim)}.small{font-size:14px}.block{background:var(--panel);border:3px solid var(--edge-dark);border-top-color:var(--edge-light);border-left-color:var(--edge-light);border-radius:3px}button{font:inherit;font-weight:600;color:var(--text);background:var(--panel-lit);border:3px solid var(--edge-dark);border-top-color:var(--edge-light);border-left-color:var(--edge-light);border-radius:3px;min-height:var(--tap);min-width:var(--tap);padding:0 20px;cursor:pointer}button:active{background:var(--panel);transform:translateY(1px)}button[disabled]{opacity:.4}button.go{background:var(--grass);color:#0d1408;border-top-color:#a7e089;border-left-color:#a7e089}.row{display:flex;gap:12px;flex-wrap:wrap;justify-content:center;align-items:center}.badge{display:inline-block;padding:4px 10px;border-radius:3px;background:var(--panel-lit);color:var(--text-dim);font-size:13px}.badge.warn{background:#4a3a12;color:var(--gold)}.linkish{min-height:0;padding:2px 8px;border:0;background:none;color:inherit;font-size:12px;font-weight:400}.codepad{display:flex;flex-direction:column;align-items:center;gap:10px}.code-boxes{display:flex;gap:6px;align-items:center;justify-content:center}.code-box{width:44px;height:58px;display:grid;place-items:center;font-family:ui-monospace,SF Mono,Menlo,monospace;font-size:30px;background:#0d1117;border:3px solid var(--edge-dark);border-top-color:var(--edge-light);border-left-color:var(--edge-light);border-radius:3px;color:var(--gold)}.code-box.empty{color:#2c3646}.code-dash{width:14px;height:4px;background:var(--edge-light)}.keypad{display:grid;grid-template-columns:repeat(9,1fr);gap:6px;width:min(100%,720px)}.keypad button{min-height:var(--tap);padding:0;font-family:ui-monospace,SF Mono,Menlo,monospace;font-size:20px}.keypad button.wide{grid-column:span 2;font-family:inherit;font-size:15px}.message{min-height:1.4em;color:var(--gold);text-align:center}@media(max-height:460px){.codepad{gap:8px}.code-box{width:38px;height:46px;font-size:26px}.keypad{gap:5px}.keypad button{min-height:48px;font-size:18px}.keypad button.wide{min-height:48px;font-size:14px}.message{font-size:13px}}#app{height:100%;display:flex;flex-direction:column;position:relative}.screen{flex:1;min-height:0;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:16px;padding:16px;text-align:center}.screen[hidden]{display:none!important}.screen.full{padding:0;gap:0;justify-content:stretch;align-items:stretch}.hud{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:8px 12px;background:var(--panel);border-bottom:3px solid var(--edge-dark);font-size:14px}.hud .who{font-weight:700;letter-spacing:.04em}.coins{color:var(--gold);font-variant-numeric:tabular-nums}.wall{display:flex;gap:3px;flex-wrap:wrap;justify-content:center;max-width:100%}.wall i{width:14px;height:14px;background:#2c3646;border-top:2px solid #3d4a5e;border-radius:2px}.wall i.done{background:var(--grass);border-top-color:#a7e089}.mine{flex:1;min-height:0;width:100%;display:grid;place-items:center;gap:12px;background:repeating-linear-gradient(90deg,#171d26 0 31px,#131920 31px 32px),repeating-linear-gradient(0deg,#171d26 0 31px,#131920 31px 32px)}footer{display:flex;justify-content:flex-end;align-items:center;padding:6px 12px;font-size:12px;color:var(--text-dim);background:var(--panel);border-top:3px solid var(--edge-dark)}#game{position:absolute;inset:0}#game[hidden]{display:none!important}#version-btn{position:absolute;left:2px;bottom:2px;z-index:6;opacity:.5;color:#fff;text-shadow:0 1px 0 rgba(0,0,0,.6)}#install-btn{position:absolute;left:2px;bottom:22px;z-index:6;opacity:.75;color:#fff;text-decoration:underline;text-shadow:0 1px 0 rgba(0,0,0,.6)}#install-btn[hidden]{display:none!important}#diagnostics{position:absolute;inset:auto 0 0;max-height:70%;overflow:auto;padding:12px;background:#0d1117;border-top:3px solid var(--edge-light);font-family:ui-monospace,SF Mono,Menlo,monospace;font-size:12px;text-align:left;white-space:pre-wrap;-webkit-user-select:text;user-select:text}#diagnostics[hidden]{display:none!important}#portrait{display:none}@media(orientation:portrait){#portrait{position:fixed;inset:0;z-index:10;display:grid;place-items:center;gap:16px;padding:24px;text-align:center;background:var(--bg)}#app{visibility:hidden}}.rotate{width:84px;height:52px;border:4px solid var(--text);border-radius:8px;animation:tip 2.4s ease-in-out infinite}@keyframes tip{0%,40%{transform:rotate(90deg)}60%,to{transform:rotate(0)}}@media(prefers-reduced-motion:reduce){.rotate{animation:none;transform:rotate(0)}}@media(max-height:460px){.screen{gap:8px;padding:8px}.mine{gap:6px;padding:8px}}