:root{color-scheme:light;--ink:#20312d;--paper:#f4f0e6;--blue:#5568e8;--lime:#d7ef95;--line:#20312d25}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,system-ui,sans-serif}button{font:inherit;cursor:pointer}button:disabled{cursor:default;opacity:.4}button:focus-visible,a:focus-visible{outline:3px solid var(--blue);outline-offset:4px}.game{min-height:100svh;max-width:1000px;margin:auto;padding:22px 26px;display:flex;flex-direction:column;gap:20px}.top,.brief,.bench-title,.readout{display:flex;justify-content:space-between;align-items:center;gap:16px}.top{border-bottom:1px solid var(--line);padding-bottom:12px}.brand{font-size:.7rem;font-weight:850;letter-spacing:.12em;text-decoration:none;color:var(--ink)}.brand span{color:var(--blue)}.edition{font:.65rem ui-monospace,monospace;color:#6e7973}.eyebrow{font-size:.65rem;letter-spacing:.13em;text-transform:uppercase;color:var(--blue)}h1{margin:0;font-size:clamp(2.6rem,7vw,5rem);letter-spacing:-.075em;line-height:.92}h1 em{font-family:Georgia,serif;color:var(--blue);font-weight:400}.target-box{display:grid;justify-items:center;gap:4px;border:1px solid var(--ink);background:var(--lime);padding:16px 28px;border-radius:20px;transform:rotate(3deg)}.target-box small{font-size:.58rem;font-weight:850;letter-spacing:.12em}.target-box strong{font:850 3.7rem ui-monospace,monospace}.target-box span{font-size:.65rem}.bench{border:1px solid var(--ink);border-radius:22px;overflow:hidden;background:#fffdf7;box-shadow:6px 7px 0 #20312d}.bench-title{padding:14px 24px;background:var(--ink);color:var(--paper);font-size:.62rem;letter-spacing:.09em;text-transform:uppercase}.bench-title span:first-child{color:var(--lime);font-weight:850}.workspace{display:grid;grid-template-columns:1.25fr .8fr 1.25fr .8fr 1.25fr .8fr 1.25fr;gap:10px;padding:26px 24px 16px}.slot{display:grid;place-items:center;min-height:78px;border:1px dashed #20312d50;border-radius:12px;background:var(--paper);font:800 2rem ui-monospace,monospace}.operator-slot{background:transparent;border:0;color:var(--blue)}.slot.next{border:2px solid var(--blue);background:#5568e811}.success .slot{background:var(--lime)}.readout{justify-content:flex-end;padding:0 24px 20px;font-size:.75rem;color:#6b766f}.readout strong{font:800 1.35rem ui-monospace,monospace;color:var(--ink)}.readout button{border:0;border-radius:10px;background:var(--blue);color:white;padding:13px 18px;font-size:.8rem;font-weight:800}.inventory{padding:18px 24px;border-top:1px solid var(--line);display:grid;grid-template-columns:1.3fr 1fr;gap:30px}.inventory h2{display:flex;justify-content:space-between;font-size:.72rem;font-weight:800;margin:0 0 12px}.inventory small{color:#6b766f;font-size:.6rem;font-weight:500}.numbers,.operators{display:grid;gap:8px}.numbers{grid-template-columns:repeat(4,1fr)}.operators{grid-template-columns:repeat(3,1fr)}.tile{border:1px solid var(--ink);border-radius:12px;min-height:57px;background:var(--lime);color:var(--ink);font-size:1.6rem;font-weight:850;box-shadow:2px 3px 0 var(--ink)}.operators .tile{background:#e7e8fd;color:var(--blue)}.tile.used{opacity:.17;box-shadow:none}.feedback{margin:0 24px;min-height:2.5em;font-size:.8rem;line-height:1.5}.tools{display:flex;gap:8px;padding:4px 24px 12px;flex-wrap:wrap}.tools button{background:transparent;border:1px solid var(--line);padding:9px 12px;border-radius:9px;color:var(--ink);font-size:.72rem}.tools button:last-child{margin-left:auto;border-color:var(--ink);font-weight:850}.solution{font-size:.8rem;color:var(--blue);margin:0 24px 18px;min-height:1.2em}.instructions{margin:0;line-height:1.6;color:#6b766f;font-size:.72rem;max-width:750px}@media(max-width:600px){.game{padding:16px 14px;gap:16px}.edition{display:none}.target-box{padding:13px 18px}.target-box strong{font-size:2.8rem}.eyebrow{font-size:.52rem}h1{font-size:2.7rem}.bench-title{padding:12px;font-size:.52rem}.workspace{padding:18px 12px 12px;gap:5px}.slot{min-height:54px;font-size:1.6rem;border-radius:8px}.readout{padding:0 12px 16px;gap:10px;font-size:.65rem}.readout button{padding:11px 12px;font-size:.7rem}.inventory{padding:16px 12px;gap:16px;grid-template-columns:1fr}.tile{min-height:49px}.feedback{margin:0 12px;font-size:.74rem}.tools{padding:10px 12px;gap:6px}.tools button{font-size:.65rem;padding:8px}.solution{margin:0 12px 14px}.bench{box-shadow:4px 5px 0 var(--ink)}}
