:root{--bg: #0d1117;--bg-deep: #010409;--panel: #161b22;--panel-2: #21262d;--border: #30363d;--border-soft: #21262d;--text: #e6edf3;--muted: #8b949e;--accent: #4493f8;--accent-strong: #1f6feb;--green: #3fb950;--red: #f85149;--yellow: #d29922;--mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;--sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans", Helvetica, Arial, sans-serif;font-family:var(--sans);line-height:1.5;color-scheme:dark;color:var(--text);background-color:var(--bg);font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{box-sizing:border-box;margin:0;padding:0}body{min-width:320px;min-height:100vh;background:var(--bg)}::selection{background:#1f6feb73}*::-webkit-scrollbar{width:10px;height:10px}*::-webkit-scrollbar-thumb{background:var(--panel-2);border-radius:5px;border:2px solid var(--bg)}*::-webkit-scrollbar-track{background:transparent}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.app{display:flex;min-height:100vh}.sidebar{width:260px;flex-shrink:0;background:var(--bg-deep);border-right:1px solid var(--border-soft);display:flex;flex-direction:column;position:sticky;top:0;height:100vh}.brand{display:flex;align-items:center;gap:10px;padding:18px 16px 14px;font-size:17px;font-weight:700;letter-spacing:.2px}.brand-mark{font-family:var(--mono);font-size:13px;font-weight:700;color:var(--bg-deep);background:linear-gradient(135deg,#4493f8,#a371f7);border-radius:7px;padding:5px 6px;line-height:1}.search-wrap{padding:0 12px 10px}.search{width:100%;background:var(--bg);border:1px solid var(--border);border-radius:7px;color:var(--text);padding:7px 10px;font-size:13px;font-family:inherit}.search::placeholder{color:var(--muted)}.search:focus{outline:none;border-color:var(--accent-strong);box-shadow:0 0 0 3px #1f6feb40}.nav{flex:1;overflow-y:auto;padding:2px 8px 12px}.nav-cat{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.7px;color:var(--muted);padding:14px 8px 5px}.nav-item{display:flex;align-items:center;gap:9px;width:100%;text-align:left;background:transparent;border:none;border-radius:7px;color:var(--text);font-size:13.5px;font-family:inherit;padding:7px 8px;cursor:pointer;transition:background .12s}.nav-item:hover{background:var(--panel)}.nav-item.active{background:#1f6feb2e;color:#79b8ff;font-weight:600}.nav-icon{width:20px;text-align:center;font-size:14px;flex-shrink:0}.nav-empty{color:var(--muted);font-size:13px;padding:14px 8px}.sidebar-foot{padding:10px 16px;border-top:1px solid var(--border-soft);color:var(--muted);font-size:11.5px}.main{flex:1;min-width:0;padding:28px 36px 64px}.main-inner{max-width:880px;margin:0 auto}.tool-head{margin-bottom:22px}.tool-head h1{font-size:22px;font-weight:700;display:flex;align-items:center;gap:10px}.tool-head p{color:var(--muted);font-size:13.5px;margin-top:4px}.tool{display:flex;flex-direction:column;gap:16px}.panel{background:var(--panel);border:1px solid var(--border-soft);border-radius:10px;padding:16px;display:flex;flex-direction:column;gap:12px}.panel-title{font-size:13px;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.6px}.row{display:flex;flex-wrap:wrap;gap:8px;align-items:center}.row .spacer{flex:1}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px}.field{display:flex;flex-direction:column;gap:6px}.field-head{display:flex;align-items:center;justify-content:space-between;gap:8px;min-height:26px}.field-head label{font-size:12.5px;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.5px}.textarea,.input,.select{width:100%;background:var(--bg);border:1px solid var(--border);border-radius:8px;color:var(--text);font-family:var(--mono);font-size:13px;padding:10px 12px;transition:border-color .12s,box-shadow .12s}.textarea{resize:vertical;line-height:1.55}.textarea:focus,.input:focus,.select:focus{outline:none;border-color:var(--accent-strong);box-shadow:0 0 0 3px #1f6feb38}.textarea[readonly]{background:var(--bg-deep);color:#a5d6ff}.textarea.invalid{border-color:var(--red);color:var(--red)}.input.sans,.select{font-family:inherit}.input.short{width:90px}.btn{display:inline-flex;align-items:center;gap:6px;background:var(--panel-2);border:1px solid var(--border);border-radius:7px;color:var(--text);font-size:13px;font-weight:500;font-family:inherit;padding:7px 14px;cursor:pointer;transition:background .12s,border-color .12s;white-space:nowrap}.btn:hover:not(:disabled){background:#30363d;border-color:#8b949e}.btn:disabled{opacity:.45;cursor:default}.btn.primary{background:var(--accent-strong);border-color:#ffffff1f;color:#fff}.btn.primary:hover:not(:disabled){background:#388bfd}.btn.sm{padding:3px 10px;font-size:12px;border-radius:6px}.copy-btn.copied{color:var(--green);border-color:var(--green)}.seg{display:inline-flex;background:var(--bg-deep);border:1px solid var(--border);border-radius:8px;padding:3px;gap:2px;align-self:flex-start}.seg button{border:none;background:transparent;color:var(--muted);font-size:13px;font-weight:600;font-family:inherit;padding:6px 16px;border-radius:6px;cursor:pointer;transition:background .12s,color .12s}.seg button:hover{color:var(--text)}.seg button.active{background:var(--accent-strong);color:#fff}.check{display:inline-flex;align-items:center;gap:7px;font-size:13px;color:var(--text);cursor:pointer;-webkit-user-select:none;user-select:none}.check input{accent-color:var(--accent-strong);width:15px;height:15px;cursor:pointer}.check code{font-family:var(--mono);font-size:12px;color:var(--muted)}.hint{color:var(--muted);font-size:12px}.error{color:var(--red);background:#f851491f;border:1px solid rgba(248,81,73,.4);border-radius:8px;padding:9px 12px;font-size:13px}.ok{color:var(--green);background:#3fb9501a;border:1px solid rgba(63,185,80,.35);border-radius:8px;padding:9px 12px;font-size:13px}.badge{display:inline-block;font-size:11px;font-weight:600;border-radius:20px;padding:2px 9px;border:1px solid var(--border);color:var(--muted)}.badge.red{color:var(--red);border-color:#f8514980}.badge.green{color:var(--green);border-color:#3fb95080}.result-row{display:grid;grid-template-columns:130px 1fr auto;align-items:center;gap:10px;padding:7px 0;border-bottom:1px solid var(--border-soft)}.result-row:last-child{border-bottom:none}.result-label{font-size:12.5px;font-weight:600;color:var(--muted)}.result-value{font-family:var(--mono);font-size:12.5px;color:#a5d6ff;overflow-wrap:anywhere;line-height:1.5}.result-row.bad .result-value,.result-row.bad .result-label{color:var(--red)}.codeblock{background:var(--bg-deep);border:1px solid var(--border);border-radius:8px;padding:12px;font-family:var(--mono);font-size:12.5px;line-height:1.6;color:#a5d6ff;overflow:auto;white-space:pre-wrap;overflow-wrap:anywhere;max-height:420px}.swatch{height:84px;border-radius:10px;border:1px solid var(--border)}.color-picker{width:52px;height:38px;padding:2px;background:var(--bg);border:1px solid var(--border);border-radius:8px;cursor:pointer}input[type=range]{accent-color:var(--accent-strong);flex:1;min-width:120px}.pw-item{display:flex;align-items:center;gap:10px;padding:6px 0;border-bottom:1px solid var(--border-soft)}.pw-item:last-child{border-bottom:none}.pw-item code{flex:1;font-family:var(--mono);font-size:13.5px;color:#a5d6ff;overflow-wrap:anywhere}.tz-zone{font-size:13px;font-weight:600;display:flex;gap:6px;align-items:center;flex-wrap:wrap;margin-bottom:2px}.tz-time{font-family:var(--mono);font-size:12.5px;color:#a5d6ff}.diff-view{background:var(--bg-deep);border:1px solid var(--border);border-radius:8px;font-family:var(--mono);font-size:12.5px;line-height:1.6;overflow:auto;max-height:520px}.diff-line{display:flex;white-space:pre-wrap;overflow-wrap:anywhere;padding:0 10px}.diff-line .diff-sign{width:18px;flex-shrink:0;-webkit-user-select:none;user-select:none;color:var(--muted)}.diff-line.add{background:#3fb95026}.diff-line.add .diff-sign{color:var(--green)}.diff-line.del{background:#f8514926}.diff-line.del .diff-sign{color:var(--red)}mark{background:#d2992273;color:inherit;border-radius:3px;padding:0 1px}.match-table{width:100%;border-collapse:collapse;font-size:12.5px}.match-table th{text-align:left;color:var(--muted);font-weight:600;padding:6px 10px;border-bottom:1px solid var(--border);text-transform:uppercase;font-size:11px;letter-spacing:.5px}.match-table td{padding:6px 10px;border-bottom:1px solid var(--border-soft);font-family:var(--mono);overflow-wrap:anywhere}.match-table tr:last-child td{border-bottom:none}.ascii-wrap{overflow:auto;max-height:600px;border:1px solid var(--border-soft);border-radius:8px}.ascii-wrap thead th{position:sticky;top:0;background:var(--panel);z-index:1}.ascii-char{color:var(--accent);font-weight:700}.ascii-char.ctrl{color:var(--yellow);font-weight:600;font-size:11px}.ascii-name{color:var(--muted);font-family:var(--sans)}.http-code{font-weight:700}.http-code.c1{color:var(--muted)}.http-code.c2{color:var(--green)}.http-code.c3{color:var(--accent)}.http-code.c4{color:var(--yellow)}.http-code.c5{color:var(--red)}.key-catch{border:2px dashed var(--border);border-radius:10px;padding:30px;text-align:center;color:var(--muted);font-size:14px;cursor:pointer;-webkit-user-select:none;user-select:none}.key-catch:focus{border-color:var(--accent-strong);color:var(--text);outline:none;box-shadow:0 0 0 3px #1f6feb38}.key-hero{display:flex;gap:12px;flex-wrap:wrap}.key-box{flex:1;min-width:140px;background:var(--bg-deep);border:1px solid var(--border);border-radius:10px;padding:14px 16px}.key-box .k-label{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.5px}.key-box .k-value{font-family:var(--mono);font-size:20px;font-weight:700;color:var(--accent);margin-top:4px;overflow-wrap:anywhere}.qr-box{background:#fff;border-radius:12px;border:1px solid var(--border);overflow:hidden}.qr-box svg{width:100%;height:100%;display:block}@media(max-width:860px){.app{flex-direction:column}.sidebar{width:100%;height:auto;position:static;border-right:none;border-bottom:1px solid var(--border-soft)}.nav{max-height:260px}.main{padding:20px 16px 48px}.grid2{grid-template-columns:1fr}.result-row{grid-template-columns:1fr auto}.result-label{grid-column:1 / -1;padding-top:2px}}