:root{--ink:#18211d;--paper:#fff8e8;--panel:#fffdf6;--lime:#c9ff4d;--orange:#ff7043;--blue:#4f8cff;--muted:#53605a;--success:#176b43;--danger:#b12b28;--line:3px solid var(--ink);font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:var(--ink);background:var(--paper);line-height:1.5}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-width:320px;background:var(--paper)}#app[data-theme=dark]{--ink:#f5f0e5;--paper:#17201b;--panel:#233128;--muted:#c6d0c6;--success:#79d99f;--danger:#ffaaa2;--lime:#d9ff6d}a{color:inherit;text-decoration-thickness:2px;text-underline-offset:3px}button,input{font:inherit}button,.drop-zone{min-height:44px;cursor:pointer}button{border:var(--line);border-radius:0;background:var(--panel);color:var(--ink);font-weight:800;padding:10px 14px;box-shadow:4px 4px 0 var(--ink);transition:transform .18s ease,box-shadow .18s ease}button:hover{transform:translate(2px,2px);box-shadow:2px 2px 0 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