:root{--frame:#57431a;--frame-dark:#4a3812;--wood:#d99c3e;--wood-shade:#bd7e2b;--wood-back:#dda43f;--shelf:#f6c26b;--shelf-highlight:#ffe0a6;--bg-top:#e2f5de;--bg-bottom:#ffc98d;--ink:#4a3812;--card:#fff7e8;--accent:#e8933d;--danger:#c74440}*{box-sizing:border-box;margin:0;padding:0}body,html{height:100%}body{font-family:Nunito,Segoe UI,sans-serif;font-weight:700;background:linear-gradient(180deg,var(--bg-top) 0,#fbe4b7 55%,var(--bg-bottom) 100%);color:var(--ink);overflow:hidden}button{font-family:inherit;cursor:pointer}.pixel-panel{border-radius:10px;box-shadow:0 4px 14px rgba(90,60,10,.18)}.pixel-btn{border:none;border-radius:8px;background:var(--accent);color:#fff;padding:10px 16px;font-size:14px;font-weight:800;box-shadow:0 3px 0 rgba(90,60,10,.35);transition:transform .1s,box-shadow .1s}.pixel-btn:hover{transform:translateY(-1px)}.pixel-btn:active{transform:translateY(2px);box-shadow:0 1px 0 rgba(90,60,10,.35)}.pixel-btn:disabled{opacity:.5;cursor:default}