/*! tailwindcss v4.3.3 | MIT License | https://tailwindcss.com */
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18px;text-decoration:none;display:flex}.brand-mark{color:#fff;background:var(--teal);background:linear-gradient(135deg,#14b8a6,#0f766e);border-radius:10px;flex:0 0 38px;justify-content:center;align-items:center;width:38px;height:38px;display:inline-flex;box-shadow:0 6px 18px #14b8a63d}.brand-mark svg{width:21px;height:21px}.brand-copy{min-width:0}.brand h1{color:#fff;margin:0;font-size:16px;line-height:1.25}.brand-copy span{color:#9db7b8;margin-top:2px;font-size:12px;display:block}.tool-nav{flex-direction:column;gap:6px;display:flex}.tool-tab{color:#c6d7d8;text-align:left;background:#ffffff0b;border:1px solid #ffffff0f;border-left-width:3px;border-radius:10px;align-items:center;gap:11px;width:100%;min-height:46px;padding:9px 12px;font-size:13px;transition:transform .16s,background .16s,color .16s,border-color .16s,box-shadow .16s;display:flex;box-shadow:inset 0 1px #ffffff0a}.tool-tab:hover{color:#fff;background:#ffffff17;border-color:#ffffff1f;transform:none}.tool-tab.is-active{color:#fff;background:linear-gradient(135deg,#14b8a642,#0f766e33);border-color:#5eead43d;font-weight:600;transform:translate(2px);box-shadow:0 8px 20px #00000029,inset 0 0 0 1px #5eead424}.tab-icon{background:#ffffff12;border-radius:8px;flex:0 0 26px;justify-content:center;align-items:center;width:26px;height:26px;transition:background .16s,color .16s;display:inline-flex}.tab-icon svg{width:16px;height:16px}.tool-tab.is-active .tab-icon{color:#7ff0e2;background:#ffffff29}.workspace{width:100%;min-width:0;max-width:1440px;margin:0 auto;padding:0 30px}.workspace.home-workspace{padding-bottom:0}.topbar{justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:22px;display:flex}.topbar h2{color:#10292e;margin:0;font-size:24px;line-height:1.2}.topbar>div>span{color:var(--muted);margin-top:5px;font-size:13px;display:block}.status-chip{min-height:28px;color:var(--teal-dark);white-space:nowrap;background:linear-gradient(135deg,#e6f7f3,#f0fbf8);border:1px solid #bfe0da;border-radius:999px;align-items:center;padding:0 10px;font-size:12px;display:inline-flex;box-shadow:0 2px 8px #0f766e14}.tool-panel{display:none}.tool-panel.is-active{animation:.16s ease-out panel-in;display:block}@keyframes panel-in{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}.toolbar,.control-row,.option-row,.strength-row{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.toolbar{margin-bottom:14px}.btn{border:1px solid var(--line);background:var(--panel);min-height:36px;color:var(--ink);white-space:nowrap;border-radius:8px;justify-content:center;align-items:center;gap:7px;padding:0 12px;font-size:13px;transition:background .12s,border-color .12s,transform 80ms;display:inline-flex}.btn:hover{background:#f4f7f9;border-color:#aebdcb}.btn:active{transform:translateY(1px)}.btn:disabled{opacity:.55;cursor:not-allowed}.btn-primary{border-color:var(--teal);background:var(--teal);color:#fff}.btn-primary:hover{border-color:var(--teal-dark);background:var(--teal-dark)}.btn svg{width:16px;height:16px}.field{min-width:0}.field label{color:var(--muted);margin-bottom:6px;font-size:12px;display:block}.field-inline{align-items:center;gap:8px;display:flex}.field-inline label{color:var(--muted);font-size:12px}input,textarea,select{border:1px solid var(--line);background:var(--soft);width:100%;color:var(--ink);border-radius:8px}input,select{height:38px;padding:0 11px}textarea{resize:vertical;min-height:170px;padding:11px 12px;font-family:Consolas,Cascadia Mono,Microsoft YaHei,monospace;font-size:13px;line-height:1.55;display:block}input:focus,textarea:focus,select:focus{border-color:var(--teal);background:#fff}textarea[readonly]{background:#fbfcfd}.editor-grid,.result-grid,.stats-grid{gap:14px;display:grid}.editor-grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}.json-tool-grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:14px;height:calc(100vh - 220px);min-height:420px;display:grid}.json-pane{flex-direction:column;min-width:0;min-height:0;display:flex}.json-pane-head{justify-content:space-between;align-items:center;gap:10px;margin-bottom:6px;display:flex}.json-pane-head label{color:var(--muted);font-size:12px}.json-pane-head .status-line{min-height:0;margin:0;font-size:12px}.sql-editor-grid{height:calc(100vh - 220px);min-height:420px}.sql-editor-grid .field{flex-direction:column;min-width:0;min-height:0;display:flex}.sql-editor-grid .field>label{flex:none}.sql-editor-grid textarea{resize:none;flex:auto;min-height:0}#sql-output{word-break:break-all}.sql-output-head{justify-content:space-between;align-items:center;gap:10px;margin-bottom:6px;display:flex}.sql-output-head label{margin:0}.sql-output-head .status-line{min-height:0;margin:0;font-size:12px}.sql-dialect-picker{color:var(--muted);align-items:center;gap:6px;font-size:12px;display:inline-flex}.sql-dialect-picker select{width:132px;height:36px;font-size:13px}.json-editor{border:1px solid var(--line);background:var(--soft);border-radius:8px;flex:auto;min-height:0;display:flex;overflow:hidden}.json-gutter{border-right:1px solid var(--line);color:#94a3b8;text-align:right;-webkit-user-select:none;user-select:none;background:#f1f5f7;flex:0 0 46px;padding:9px 0;font-family:Consolas,Cascadia Mono,monospace;font-size:13px;line-height:20px;overflow:hidden}.json-gutter-line{padding-right:8px}.json-editor textarea{background:var(--soft);resize:none;white-space:pre;border:0;border-radius:0;flex:auto;width:100%;height:100%;min-height:0;padding:9px 12px;font-family:Consolas,Cascadia Mono,monospace;font-size:13px;line-height:20px;overflow:auto}.json-output-panel{border:1px solid var(--line);background:var(--panel);border-radius:8px;flex:auto;min-height:0;overflow:auto}.json-output-empty{border:1px dashed var(--line);min-height:0;color:var(--muted);border-radius:8px;flex:auto;justify-content:center;align-items:center;font-size:13px;display:flex}.json-line{white-space:pre;min-width:max-content;font-family:Consolas,Cascadia Mono,monospace;font-size:13px;line-height:20px;display:flex}.json-line.is-collapsible{cursor:pointer}.json-line.is-collapsible:hover{background:#f4f8f6}.json-line-no{border-right:1px solid var(--line);color:#94a3b8;text-align:right;-webkit-user-select:none;user-select:none;background:#f1f5f7;flex:0 0 46px;padding-right:8px}.json-collapse-arrow{color:#64748b;text-align:center;-webkit-user-select:none;user-select:none;flex:0 0 18px}.json-row-content{white-space:pre;padding:0 12px 0 8px}.json-key{color:#64748b}.json-row-content .is-string{color:#0f766e}.json-row-content .is-number{color:#2563eb}.json-row-content .is-boolean{color:#b45309}.json-row-content .is-null{color:#94a3b8}.json-row-content .is-punctuation{color:#17202a}.stack{gap:14px;display:grid}.diff-summary{color:var(--muted);font-size:12px}.diff-status{margin-left:4px;font-weight:600}.diff-status.has-diff{color:#b91c1c}.diff-status.no-diff{color:#0f766e}.diff-inputs{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:14px;display:grid}.diff-inputs textarea{min-height:220px}.diff-result{border:1px solid var(--line);background:var(--panel);border-radius:8px;margin-top:16px;overflow:auto}.diff-head,.diff-row{grid-template-columns:minmax(0,1fr) minmax(0,1fr);min-width:640px;display:grid}.diff-head{border-bottom:1px solid var(--line);background:var(--soft);color:var(--muted);font-size:12px}.diff-head span{padding:8px 12px}.diff-row{border-bottom:1px solid #eef2f5}.diff-row.is-change{background:#f4f8f6}.diff-row:last-child{border-bottom:0}.diff-row>.diff-line+.diff-line{border-left:1px solid var(--line)}.diff-row.is-remove>:first-child{color:#7f1d1d;background:#fdeaea}.diff-row.is-add>:last-child{color:#0f766e;background:#e5f4f1}.diff-line{white-space:pre;gap:8px;min-width:0;padding:5px 10px;font-family:Consolas,Cascadia Mono,monospace;font-size:12px;line-height:1.5;display:flex}.diff-lineno{color:var(--muted);text-align:right;-webkit-user-select:none;user-select:none;flex:0 0 42px}.diff-segment{white-space:pre;min-width:0}.diff-segment.is-remove{color:#7f1d1d;background:#fdeaea;border-radius:2px;text-decoration:line-through}.diff-segment.is-add{color:#0f766e;background:#d9f2ea;border-radius:2px}.b64-image-section{border-top:1px solid var(--line);margin-top:18px;padding-top:16px}.b64-image-toolbar{flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:10px;display:flex}.b64-image-hint{color:var(--muted);font-size:12px}.b64-image-preview{border:1px dashed var(--line);background:var(--soft);min-height:180px;color:var(--muted);text-align:center;border-radius:8px;justify-content:center;align-items:center;padding:14px;font-size:13px;display:flex;overflow:auto}.b64-image-preview.is-empty{min-height:120px}.b64-image-preview.is-dragging{border-color:var(--teal);background:#e5f4f1}.b64-image-preview img{border-radius:8px;max-width:100%;max-height:360px;display:block}.status-line{min-height:20px;color:var(--muted);margin:10px 0 0;font-size:12px}.status-line[data-tone=ok]{color:var(--teal)}.status-line[data-tone=bad]{color:var(--danger)}.result-grid{grid-template-columns:repeat(auto-fit,minmax(190px,1fr));margin:16px 0}.ts-rows{gap:10px;display:grid}.ts-row{align-items:center;gap:12px;min-width:0;display:flex}.ts-label{color:var(--muted);flex:0 0 120px;font-size:13px}.ts-row input{flex:0 320px;width:320px;min-width:0;max-width:100%}.ts-row .icon-btn{flex:0 0 40px;width:40px;height:40px}.ts-row .icon-btn svg{width:18px;height:18px}.result-item{border:1px solid var(--line);background:var(--panel);overflow-wrap:anywhere;border-radius:8px;flex-direction:column;gap:8px;min-height:96px;padding:13px 14px;display:flex}.result-label{color:var(--muted);font-size:12px}output{font-size:13px;line-height:1.45}.check{min-height:32px;color:var(--ink);white-space:nowrap;align-items:center;gap:6px;font-size:13px;display:inline-flex}.check input{width:16px;height:16px;accent-color:var(--teal)}.control-row{margin-bottom:10px}.control-row label{color:var(--muted);align-items:center;gap:8px;font-size:13px;display:inline-flex}.control-row output{min-width:30px;font-weight:600}input[type=range]{height:auto;accent-color:var(--teal);padding:0}.option-row{border:1px solid var(--line);background:var(--panel);border-radius:8px;margin-bottom:14px;padding:12px}.icon-btn{border:1px solid var(--line);width:30px;height:30px;color:var(--muted);background:#fff;border-radius:8px;flex:0 0 30px;justify-content:center;align-items:center;display:inline-flex}.icon-btn:hover{color:var(--teal);border-color:var(--teal)}.icon-btn svg{width:15px;height:15px}.color-layout{grid-template-columns:minmax(240px,.9fr) minmax(320px,1.1fr);gap:14px;margin-bottom:14px;display:grid}.color-visual{align-content:start;gap:14px;display:grid}.color-wheel{aspect-ratio:1;cursor:crosshair;touch-action:none;border-radius:50%;width:100%;max-width:260px;display:block}.color-preview{border:1px solid var(--line);background:var(--teal);color:#fff;cursor:pointer;-webkit-user-select:none;user-select:none;overflow-wrap:anywhere;border-radius:8px;justify-content:flex-end;align-items:flex-end;min-height:120px;padding:14px;font-family:Consolas,Cascadia Mono,monospace;font-size:20px;font-weight:600;display:flex}.color-inputs{align-content:start;gap:10px;display:grid}.input-line{grid-template-columns:56px minmax(0,1fr);align-items:center;gap:10px;display:grid}.input-line label,.rgb-row label{color:var(--muted);font-size:12px}.color-alpha-row{margin:0}.rgba-entry{align-items:center;gap:8px;display:flex}.rgba-entry label{color:var(--muted);white-space:nowrap;flex:0 0 56px;font-size:12px}.rgba-entry-row{flex-wrap:nowrap;flex:auto;align-items:center;gap:8px;min-width:0;display:flex}.rgba-entry-row input{flex:auto;min-width:0}.rgba-entry-row .btn{flex:none}.rgb-row{grid-template-columns:30px minmax(0,1fr) 30px minmax(0,1fr) 30px minmax(0,1fr);align-items:center;gap:8px;display:grid}.palette{grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;display:grid}.swatch-item{min-width:0}.swatch{aspect-ratio:2;background:var(--swatch,#ccc);border:1px solid #17202a1f;border-radius:8px;justify-content:flex-end;align-items:flex-end;width:100%;padding:8px;display:flex;position:relative}.swatch:hover{filter:brightness(.94)}.swatch-label{text-align:right;text-overflow:ellipsis;white-space:nowrap;min-width:0;max-width:100%;font-family:Consolas,Cascadia Mono,monospace;font-size:13px;line-height:1.2;overflow:hidden}.password-row{align-items:stretch;gap:8px;margin:12px 0;display:flex}.password-output{color:#7ee7d8;overflow-wrap:anywhere;background:#101820;border:1px solid #2b3945;border-radius:8px;align-items:center;width:100%;min-height:64px;padding:12px 14px;font-family:Consolas,Cascadia Mono,monospace;font-size:16px;display:flex}.strength-row{color:var(--muted);font-size:12px}.strength-bar{background:var(--line);border-radius:999px;width:min(260px,100%);height:7px;overflow:hidden}.strength-bar i{border-radius:inherit;background:var(--amber);width:0;height:100%;transition:width .16s,background .16s;display:block}.stats-grid{grid-template-columns:repeat(auto-fit,minmax(190px,1fr));margin-top:14px}.stats-item{border:1px solid var(--line);background:var(--panel);border-radius:8px;min-height:86px;padding:12px 14px}.stats-item span{color:var(--muted);white-space:nowrap;text-overflow:ellipsis;font-size:12px;display:block;overflow:hidden}.stats-item output{margin-top:8px;font-size:22px;font-weight:650;line-height:1.1;display:block}.calc-tabs{border:1px solid var(--line);background:var(--soft);border-radius:8px;flex-wrap:wrap;gap:4px;margin-bottom:16px;padding:4px;display:inline-flex}.calc-tab{min-height:34px;color:var(--muted);white-space:nowrap;background:0 0;border:0;border-radius:6px;justify-content:center;align-items:center;gap:7px;padding:0 13px;font-size:13px;display:inline-flex}.calc-tab:hover{color:var(--ink);background:#fff}.calc-tab.is-active{background:var(--panel);color:var(--ink);box-shadow:0 1px 4px #10182014}.calc-tab svg{width:16px;height:16px}.calc-head{justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:14px;display:flex}.calc-head-copy{min-width:0}.calc-intro{color:var(--muted);margin:0 0 4px;font-size:12px}.calc-intro:last-child{margin-bottom:0}.calc-input-card,.calc-result-card,.base-converter-layout{border:1px solid var(--line);background:var(--panel);border-radius:8px}.calc-input-card{margin-bottom:14px;padding:16px}.calc-input-card>label{color:var(--muted);font-size:12px}.expr-input-row{gap:8px;margin-top:6px;display:flex}.expr-input-row .calc-input{flex:auto;min-width:0;height:48px;font-family:Consolas,Cascadia Mono,Microsoft YaHei,monospace;font-size:18px}.calc-examples{flex-wrap:wrap;align-items:center;gap:6px;margin-top:12px;display:flex}.calc-examples-label{color:var(--muted);font-size:12px}.example-chip{border:1px solid var(--line);background:var(--soft);min-height:26px;color:var(--muted);border-radius:6px;padding:0 8px;font-family:Consolas,Cascadia Mono,monospace;font-size:12px}.example-chip:hover{border-color:var(--teal);color:var(--teal)}.calc-result-card{flex-direction:column;max-width:640px;min-height:150px;padding:16px;display:flex}.calc-result-head{align-items:center;gap:10px;display:flex}.calc-result-label{color:var(--muted);font-size:12px}.result-copy-button{flex:none;min-height:34px}.calc-result-row{flex-wrap:wrap;align-items:center;gap:14px;display:flex}.calc-result{overflow-wrap:anywhere;margin-top:10px;font-family:Consolas,Cascadia Mono,monospace;font-size:34px;font-weight:650;line-height:1.2}.calc-result.is-ready{cursor:pointer;-webkit-user-select:all;user-select:all}.calc-result.is-ready:hover{color:var(--teal)}.calc-result-meta{flex-wrap:wrap;gap:8px 14px;margin-top:10px;display:flex}.calc-meta-item{color:var(--muted);overflow-wrap:anywhere;font-size:12px}.calc-result-card .status-line{margin-top:auto;margin-bottom:0}.base-converter-layout{gap:14px;padding:16px;display:grid}.base-add-row{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.base-add-row select{width:auto;min-width:150px;height:40px}.base-add-row .btn{min-width:112px;min-height:40px}.base-options{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.base-mode-group{border:1px solid var(--line);background:var(--soft);border-radius:8px;gap:3px;padding:3px;display:inline-flex}.mode-chip{min-height:30px;color:var(--muted);background:0 0;border:0;border-radius:6px;padding:0 12px;font-size:12px}.mode-chip:hover{color:var(--ink)}.mode-chip.is-active{background:var(--panel);color:var(--teal);font-weight:600;box-shadow:0 1px 4px #10182014}.bit-width-field{color:var(--muted);align-items:center;gap:8px;font-size:12px;display:inline-flex}.bit-width-field select{width:auto;min-width:90px;height:34px}.mode-note{color:var(--muted);flex:100%;margin:0;font-size:12px}.base-rows{gap:10px;display:grid}.base-row{border:1px solid var(--line);background:var(--soft);border-radius:8px;align-items:center;gap:10px;min-width:0;padding:12px;display:flex}.base-row-label{color:var(--muted);white-space:nowrap;flex:0 0 110px;font-size:13px;font-weight:600}.base-row input{flex:0 420px;width:100%;min-width:0;max-width:420px;height:44px;font-family:Consolas,Cascadia Mono,monospace;font-size:15px}.base-copy-button{flex:none;min-width:96px;min-height:44px;font-size:14px}.base-copy-button 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span{display:none}.brand-mark{flex-basis:34px;width:34px;height:34px}.tool-nav{scrollbar-width:none;-webkit-overflow-scrolling:touch;flex-direction:row;gap:8px;padding:2px 2px 8px;overflow-x:auto}.tool-nav::-webkit-scrollbar{display:none}.tool-tab{border-width:1px;border-radius:10px;width:auto;min-width:max-content;min-height:40px;padding:8px 12px}.tool-tab:hover{transform:none}.tool-tab.is-active{background:linear-gradient(135deg,#14b8a647,#0f766e38);border-color:#5eead44d #5eead44d #2dd4bf;transform:none}.tab-icon{flex-basis:24px;width:24px;height:24px}.workspace{padding:18px 16px 32px}}@media (width<=680px){.topbar{flex-direction:column;gap:10px;margin-bottom:16px}.topbar h2{font-size:22px}.status-chip{align-self:flex-start}.workspace{padding:16px 12px 28px}.toolbar .btn{min-height:38px}.calc-tabs{width:100%}.calc-tab{flex:1 1 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