:root{--bg:#0b0f14;--card:#121922;--text:#e6edf3;--muted:#9aa5b1;--accent:#4aa3ff;--danger:#ff6b6b;--border:#223041 }*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Noto Sans,sans-serif;background:var(--bg);color:var(--text)}.container{max-width:1100px;margin:0 auto;padding:16px}.header{display:flex;align-items:center;gap:12px;margin-bottom:12px}.header h1{font-size:20px;margin:0}.grow{flex:1}.card{background:var(--card);border:1px solid var(--border);border-radius:10px;padding:16px;margin:12px 0}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px}.row{display:flex;gap:8px;align-items:center}.items{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:12px}.item{border:1px solid var(--border);border-radius:8px;padding:12px}.item-head{display:flex;align-items:center;gap:8px;margin-bottom:8px}.mt{margin-top:10px}.muted{color:var(--muted)}.error{color:var(--danger)}button,select,input{background:#0f1720;color:var(--text);border:1px solid var(--border);border-radius:8px;padding:8px}button{cursor:pointer}button.secondary{background:#0d141d}button.danger{border-color:#5b2a2a;background:#2a0f10;color:#ffb3b3}.actions{display:flex;align-items:center;gap:10px;margin:12px 0}.hash{color:var(--muted)}.checkbox{display:flex;gap:6px;align-items:center}.checkbox-row{display:flex;gap:10px;align-items:center}.tabs{display:flex;gap:8px;margin-bottom:8px}.tabs button{padding:8px 10px}.tabs .active{border-color:var(--accent);color:#cfe7ff}.markdown{background:#0e141c;border:1px solid var(--border);border-radius:8px;padding:12px;overflow:auto}.footer{color:var(--muted);text-align:center;margin:16px 0}