:root{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--bg:#0d1117;--surface:#161b22;--border:#30363d;--text:#e6edf3;--muted:#8b949e;--accent:#58a6ff;--accent-dim:#1f3a5f;--success:#3fb950;--danger:#f85149;--radius:8px;font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Microsoft JhengHei,PingFang TC,sans-serif;line-height:1.5}*,:before,:after{box-sizing:border-box}body{background:var(--bg);min-height:100vh;color:var(--text);margin:0}#root{min-height:100vh}button,input,select,textarea{font:inherit}textarea,input,select{background:var(--bg);color:var(--text);border:1px solid var(--border);border-radius:var(--radius);width:100%;padding:10px 12px}textarea{resize:vertical;min-height:140px;font-family:ui-monospace,Cascadia Code,Menlo,Consolas,monospace;font-size:13px;line-height:1.45}textarea:focus,input:focus,select:focus{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent-dim);outline:none}button{cursor:pointer;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);color:var(--text);padding:8px 14px;transition:border-color .15s,background .15s}button:hover:not(:disabled){border-color:var(--accent)}button.primary{background:var(--accent-dim);border-color:var(--accent);color:var(--accent)}button:disabled{opacity:.5;cursor:not-allowed}.app{min-height:100vh;display:flex}.sidebar{background:var(--surface);border-right:1px solid var(--border);flex-direction:column;flex-shrink:0;width:220px;padding:20px 12px;display:flex}.brand{border-bottom:1px solid var(--border);align-items:center;gap:10px;margin-bottom:16px;padding:0 8px 20px;display:flex}.brand-icon{font-size:28px}.brand h1{margin:0;font-size:17px;font-weight:700}.brand p{color:var(--muted);letter-spacing:.04em;margin:0;font-size:11px}.nav{flex-direction:column;flex:1;gap:4px;display:flex}.nav-item{text-align:left;background:0 0;border:1px solid #0000;align-items:center;gap:10px;padding:10px 12px;font-size:14px;display:flex}.nav-item:hover{background:var(--bg)}.nav-item.active{background:var(--accent-dim);border-color:var(--accent);color:var(--accent)}.nav-icon{background:var(--bg);border-radius:6px;justify-content:center;align-items:center;width:28px;height:28px;font-family:ui-monospace,monospace;font-size:12px;font-weight:600;display:flex}.nav-item.active .nav-icon{background:var(--bg)}.sidebar-foot{color:var(--muted);padding:16px 8px 4px;font-size:11px;line-height:1.4}.main{flex:1;padding:24px 28px;overflow:auto}.tool-panel{max-width:1100px}.tool-header{flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:20px;display:flex}.tool-header h2{margin:0 0 4px;font-size:22px}.tool-desc{color:var(--muted);margin:0;font-size:14px}.tool-actions{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.tool-body{flex-direction:column;gap:16px;display:flex}.split{grid-template-columns:1fr 1fr;gap:16px;display:grid}@media (width<=900px){.app{flex-direction:column}.sidebar{border-right:none;border-bottom:1px solid var(--border);width:100%;padding:12px}.brand{margin-bottom:12px;padding-bottom:12px}.nav{flex-flow:wrap}.sidebar-foot{display:none}.split{grid-template-columns:1fr}.main{padding:16px}}.label{color:var(--muted);margin-bottom:6px;font-size:12px;display:block}.error-out{color:var(--danger)}.error-msg{color:var(--danger);margin:0}.live-clock{color:var(--muted);margin:0;font-size:14px}.live-clock code{color:var(--accent)}.result-cards,.hash-results{grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:12px;display:grid}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:12px 14px}.card span{color:var(--muted);text-transform:uppercase;letter-spacing:.05em;margin-bottom:6px;font-size:11px;display:block}.card code{word-break:break-all;color:var(--success);font-family:ui-monospace,Menlo,Consolas,monospace;font-size:13px}.chip-row{flex-wrap:wrap;gap:8px;display:flex}.inline-field{color:var(--muted);align-items:center;gap:8px;font-size:13px;display:flex}