:root{--bg: #FFFBF2;--bg2: #FBF4E7;--card: #FFFFFF;--ink: #2B2140;--muted: #7A7189;--line: #EFE7D8;--primary: #FF6F5E;--primary-d: #E85A4A;--purple: #7C5CFC;--purple-d: #6A47E8;--green: #4CD97B;--blue: #4EC3FF;--amber: #FFA53C;--red: #FF5C7A;--gold: #FFD24C;--shadow-s: 0 2px 6px rgba(43,33,64,.06);--shadow-m: 0 6px 18px rgba(43,33,64,.09);font-family:Pretendard,-apple-system,Apple SD Gothic Neo,system-ui,sans-serif}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}body{margin:0;background:var(--bg);color:var(--ink);-webkit-text-size-adjust:100%}#app{max-width:460px;margin:0 auto;padding:14px 16px 96px;min-height:100vh}button{font-family:inherit;cursor:pointer;border:none}.topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.streak{display:inline-flex;align-items:center;gap:6px;padding:7px 12px;border-radius:14px;background:#fff0ec;color:var(--primary);font-weight:800;font-size:15px;box-shadow:var(--shadow-s)}.streak 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0;box-shadow:var(--shadow-m);overflow-x:auto}.staff,.answer,.reveal{min-height:130px}.answer{display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:15px;text-align:center}.card-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:6px;font-size:13px;color:var(--muted);font-weight:600}.progress{height:8px;background:#efe7d8;border-radius:99px;overflow:hidden;margin:6px 0 12px}.progress>i{display:block;height:100%;background:var(--purple);border-radius:99px;transition:width .3s}.palette{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin:10px 0}.palette button{aspect-ratio:1 / 1;border-radius:16px;background:var(--card);border:2px solid var(--line);font-size:20px;font-weight:700;color:var(--ink);box-shadow:var(--shadow-s);display:flex;align-items:center;justify-content:center;flex-direction:column;gap:2px;transition:transform .12s}.palette button 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4px;border-radius:16px;background:transparent;color:var(--muted);font-size:12px;font-weight:700;transition:.15s}.tabs button.active.t0{background:#fff0ec;color:var(--primary)}.tabs button.active.t1{background:#f0ecff;color:var(--purple)}.tabs button.active.t2{background:#fff0ec;color:var(--primary)}.confetti{position:fixed;inset:0;pointer-events:none;z-index:30;overflow:hidden}.confetti i{position:absolute;top:-12px;width:9px;height:14px;border-radius:2px;animation:fall linear forwards}@keyframes fall{to{transform:translateY(110vh) rotate(540deg);opacity:.9}}.toast{position:fixed;top:16px;left:50%;transform:translate(-50%) translateY(-120%);background:var(--card);border:1.5px solid var(--line);box-shadow:var(--shadow-m);padding:12px 18px;border-radius:16px;font-weight:800;z-index:40;display:flex;align-items:center;gap:8px;transition:transform .35s cubic-bezier(.2,1.3,.4,1)}.toast.show{transform:translate(-50%) translateY(0)}.toast .medal{font-size:20px}.calibrate{text-align:center}.calibrate .big-msg{font-size:20px;font-weight:800;color:var(--ink);margin:8px 0 14px}.calibrate .out{margin-top:14px;font-size:15px;font-weight:600;color:var(--muted)}