@font-face{font-family:LocalKorean;src:local("Pretendard"),local("SUIT"),local("Apple SD Gothic Neo"),local("Malgun Gothic");font-display:swap}:root{color-scheme:dark;--ink:#f2eddf;--muted:#94a49c;--gold:#efbd72;--gold-light:#ffdea0;--mint:#8bd5c2;--line:#ffffff16;--panel:#122123;--font:LocalKorean,"Apple SD Gothic Neo","Malgun Gothic",system-ui,sans-serif;font-family:var(--font);font-synthesis:none}*{box-sizing:border-box}body{margin:0;background:#0b171b;color:var(--ink);overflow-x:hidden}button,input,textarea{font:inherit}button{cursor:pointer}button:disabled{cursor:default}button,a,input,summary{touch-action:manipulation}button{color:inherit}button:focus-visible,summary:focus-visible{outline:2px solid var(--mint);outline-offset:5px}input:focus-visible{outline:none}button{transition:background .18s,color .18s,border-color .18s,transform .18s}button:active:not(:disabled){transform:translateY(2px)}button svg{flex-shrink:0}input,textarea{border-radius:0}::selection{background:#b5834266;color:#fff}button:disabled{opacity:.4}svg{vertical-align:middle}.app{position:relative;min-height:700px;height:100svh;isolation:isolate;overflow:hidden}.mine-canvas{position:absolute;inset:0;width:100%;height:100%;z-index:-3;image-rendering:pixelated}.atmosphere{position:absolute;inset:0;z-index:-2;pointer-events:none;background:repeating-linear-gradient(0deg,transparent 0px,transparent 3px,#00000010 3px,#00000010 4px);opacity:.55}.top-shade{position:absolute;inset:0;z-index:-1;pointer-events:none;background:linear-gradient(#081315e8,transparent 29%,transparent 68%,#081315e0 91%,#081315)}.header{height:85px;margin:0 48px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid 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48px);overflow:auto}.modal::backdrop{background:#040a0dd1;backdrop-filter:blur(6px)}.modal-content{padding:28px}.modal-heading{display:flex;align-items:center;justify-content:space-between;margin-top:-7px}.modal-heading .eyebrow{font-size:8px}.modal h2{font-size:25px;letter-spacing:-1px;margin:12px 0 25px}.guide-step{display:flex;gap:17px;margin:24px 0}.guide-step>span{font:11px monospace;color:var(--gold);padding-top:2px}.guide-step h3{font-size:13px;font-weight:600;margin:0 0 8px}.guide-step p{font-size:11px;line-height:1.8;color:#96ad9e;margin:0}.guide-note{font-size:11px;color:#9eb29e;line-height:1.8;padding:14px 15px;background:#ffffff05;border-left:2px solid #d9b77866;margin:23px 0}.full-button{width:100%;margin-top:4px}.setting-row{display:flex;align-items:center;justify-content:space-between;padding:20px 0;border-bottom:1px solid var(--line);gap:15px}.setting-row span{display:flex;flex-direction:column;gap:8px}.setting-row strong{font-size:13px;font-weight:600}.setting-row 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blink{50%{opacity:.3}}@media(min-height:950px){.intro-copy{top:23%}.question{top:30%}.reward{top:49%}.bottom-area{padding-bottom:15px}}@media(max-width:760px){.header{margin:0 22px;height:72px}.wordmark>span{font-size:21px}.wordmark small{display:none}.demo-badge{font-size:7px;letter-spacing:1.2px}.header nav{gap:2px}.icon-button{width:31px;height:33px}.hud{top:100px;width:calc(100% - 48px)}.hud-stat{min-width:80px;padding-left:10px}.hud-stat small{display:none}.hud-stat strong{font-size:23px}.hud-stat>span{font-size:9px}.side-caption{display:none}.intro-copy{top:21%}.intro-copy h1{font-size:65px;letter-spacing:-4px}.intro-meta{font-size:9px;gap:10px}.bottom-area{padding:0 22px}.question{top:28%;width:calc(100% - 44px);left:22px;margin-left:0}.question h1{font-size:30px}.question-footnote{font-size:9px;margin-top:18px}.bottom-foot>span:last-child{font-size:8px}.bottom-foot>span:first-child{font-size:7px;letter-spacing:1px}.answer-form{gap:8px}.timer{width:38px;height:38px}.timer 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