:root{color-scheme:dark;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:#0d0f14;color:#f7f7f4}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh;background:radial-gradient(circle at 50% 0%,#292c38,#0d0f14 58%)}button{font:inherit}.app-shell{min-height:100vh;display:grid;grid-template-columns:270px minmax(0,1fr);gap:16px;padding:16px}.hud-panel,.status{background:#171920f5;border:1px solid #373b48;box-shadow:0 22px 70px #00000052}.hud-panel{border-radius:18px;padding:20px;display:flex;flex-direction:column;gap:20px}.eyebrow{color:#ffd23f;font-size:12px;font-weight:900;letter-spacing:.22em}h1{font-size:27px;line-height:1.05;margin:8px 0 24px}.depth-label{color:#aeb4c3}.depth-label strong{display:block;color:#fff;font-size:44px;line-height:1;margin-top:5px}.visit-label{color:#7bdff2;font-size:13px;margin-top:8px}.reward-list{display:grid;gap:9px}.reward-row{display:grid;grid-template-columns:32px 1fr auto;align-items:center;gap:9px;padding:10px;border-radius:11px;background:#232630;border:1px solid transparent;transition:.16s ease}.reward-row.active{border-color:#ffd23f;box-shadow:0 0 20px #ffd23f3d}.reward-row.flash{transform:translate(4px);border-color:#7bdff2}.reward-icon{font-size:21px;text-align:center}.reward-details{display:grid;gap:2px}.reward-details strong{font-size:14px}.reward-details small{color:#9ba1b1}.reward-count{font-size:18px;font-weight:900}.help{margin-top:auto;border-top:1px solid #373b48;padding-top:15px;color:#aeb4c3;font-size:13px;line-height:1.5;display:grid}.help strong{color:#fff;margin-bottom:5px}.help p{margin:12px 0 0}.game-panel{min-width:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px}.status{width:min(100%,840px);min-height:46px;border-radius:12px;padding:12px 16px;display:grid;place-items:center;text-align:center;color:#aeb4c3;font-weight:750}.status[data-tone=gold]{color:#ffd23f}.status[data-tone=danger]{color:#ff6b72}.status[data-tone=success]{color:#5ee28b}canvas{width:min(100%,840px);height:min(calc(100vh - 90px),840px);max-width:840px;max-height:840px;background:#15171d;border:3px solid #e7e7e7;border-radius:14px;box-shadow:0 25px 80px #00000080}.overlay{position:fixed;inset:0;z-index:10;display:grid;place-items:center;padding:20px;background:#050609d1;-webkit-backdrop-filter:blur(7px);backdrop-filter:blur(7px)}.overlay[hidden]{display:none}.modal{width:min(92vw,650px);background:#181a21;border:1px solid #3c4150;border-radius:18px;padding:26px;box-shadow:0 25px 90px #00000094;text-align:center}.modal h2{margin:9px 0;font-size:34px}.modal p{color:#aeb4c3}.reward-choices{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:20px}.reward-choice,#restart-button{border:1px solid #464c5b;background:#272a35;color:#fff;border-radius:12px;padding:14px;cursor:pointer}.reward-choice:hover,#restart-button:hover{background:#343845}.reward-choice{display:grid;grid-template-columns:28px 1fr;text-align:left;gap:2px 10px}.reward-choice span{grid-row:1 / 3;font-size:22px}.reward-choice small{color:#aeb4c3}#restart-button{margin-top:12px;min-width:170px;font-weight:800}@media(max-width:900px){.app-shell{grid-template-columns:1fr}.hud-panel{order:2}canvas{width:min(94vw,760px);height:min(72vh,760px)}}