*{margin:0;padding:0;box-sizing:border-box}:root{--primary-color: #3b82f6;--primary-dark: #2563eb;--text-color: #1f2937;--text-secondary: #6b7280;--bg-color: #f3f4f6;--card-bg: #ffffff;--border-color: #e5e7eb;--shadow: 0 1px 3px rgba(0, 0, 0, .1), 0 1px 2px rgba(0, 0, 0, .06);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05);--radius: 8px}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background-color:var(--bg-color);color:var(--text-color);line-height:1.6}.app-shell{min-height:100vh;display:flex;flex-direction:column}.topbar{background:linear-gradient(135deg,#3b82f6,#1d4ed8);color:#fff;padding:0 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p{font-size:13px;color:var(--text-secondary);line-height:1.5}.footer{background:#1f2937;color:#fffc;padding:32px 24px;margin-top:auto}.footer-content{max-width:1200px;margin:0 auto}.footer-links{display:flex;flex-wrap:wrap;gap:16px;margin-bottom:16px}.footer-link{color:#ffffffb3;text-decoration:none;font-size:14px;transition:color .2s}.footer-link:hover{color:#fff}.footer-copyright{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:13px;color:#fff9}.footer-copyright a{color:#ffffffb3;text-decoration:none}.footer-copyright a:hover{color:#fff}.tool-container{background:var(--card-bg);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}.tool-container h1{margin:0;padding:16px 20px;font-size:18px;font-weight:600;color:var(--text-color);background:linear-gradient(135deg,#3b82f60d,#2563eb0d);border-bottom:1px solid var(--border-color)}.tool-header{display:flex;flex-wrap:wrap;gap:8px;padding:16px;border-bottom:1px solid var(--border-color);background:var(--bg-color)}.btn{padding:10px 20px;border:none;border-radius:var(--radius);font-size:14px;font-weight:500;cursor:pointer;transition:all .2s;background:var(--primary-color);color:#fff}.btn:hover{background:var(--primary-dark)}.btn-outline{background:transparent;color:var(--primary-color);border:1px solid var(--primary-color)}.btn-outline:hover{background:var(--primary-color);color:#fff}.copy-btn{padding:4px 12px;border:none;border-radius:4px;font-size:12px;font-weight:500;cursor:pointer;transition:all .2s;background:var(--primary-color);color:#fff;float:right;margin-left:12px}.copy-btn:hover{background:var(--primary-dark)}.editor-container{display:grid;grid-template-columns:1fr 1fr;min-height:400px}.editor{display:flex;flex-direction:column;border-right:1px solid var(--border-color)}.editor:last-child{border-right:none}.editor-header{display:flex;justify-content:space-between;align-items:center;padding:12px 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var(--border-color)}.editor:last-child{border-bottom:none}.tool-header{justify-content:center}.features-grid{grid-template-columns:repeat(2,1fr)}.footer-links{justify-content:center}.footer-copyright{flex-direction:column;align-items:center}}.spider-form{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-bottom:16px}.spider-input{flex:1;min-width:200px;padding:10px 16px;border:1px solid var(--border-color);border-radius:var(--radius);font-size:14px}.spider-input:focus{outline:none;border-color:var(--primary-color)}.spider-options{background:var(--card-bg);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px;margin-bottom:16px}.option-group{display:flex;align-items:center;gap:12px;margin-bottom:12px}.option-group:last-child{margin-bottom:0}.option-label{font-size:14px;font-weight:500}.checkbox-label{display:flex;align-items:center;gap:6px;font-size:13px;cursor:pointer}.spider-selector{display:flex;gap:8px}.spider-btn{padding:8px 16px;border:1px solid var(--border-color);background:#fff;border-radius:var(--radius);cursor:pointer;font-size:13px;font-weight:500;transition:all .2s}.spider-btn.active{background:var(--primary-color);color:#fff;border-color:var(--primary-color)}.spider-result{background:var(--card-bg);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}.result-status{font-size:13px;color:#666;padding:12px 16px;border-bottom:1px solid var(--border-color);background:var(--bg-color)}.response-content{margin:0;padding:16px;max-height:400px;overflow-y:auto}.http-tool{display:flex;flex-direction:column;gap:16px}.http-header{display:flex;flex-wrap:wrap;gap:12px;align-items:center}.http-method{padding:10px 16px;border:1px solid var(--border-color);border-radius:var(--radius);font-size:14px;font-weight:500;background:#fff;cursor:pointer}.http-url{flex:1;min-width:200px;padding:10px 16px;border:1px solid var(--border-color);border-radius:var(--radius);font-size:14px}.http-url:focus{outline:none;border-color:var(--primary-color)}.http-tabs{display:flex;gap:8px;border-bottom:1px solid var(--border-color)}.http-tab{padding:10px 16px;border:none;background:none;font-size:14px;font-weight:500;cursor:pointer;border-bottom:2px solid transparent;color:var(--text-secondary)}.http-tab.active{border-bottom-color:var(--primary-color);color:var(--primary-color)}.http-body{min-height:150px}.http-result{background:#1e1e1e;border-radius:var(--radius);overflow:hidden}.result-header{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;background:#2d2d2d;color:#d4d4d4}.result-status-code{font-size:14px;font-weight:500}.result-time{font-size:12px;color:#858585}.result-body{padding:16px;font-family:Consolas,Monaco,Courier New,monospace;font-size:13px;color:#d4d4d4;white-space:pre-wrap;word-break:break-all;max-height:400px;overflow-y:auto}.form-group{display:flex;flex-direction:column;gap:8px}:root[data-theme=dark]{--text-color: #e5e7eb;--text-secondary: #9ca3af;--bg-color: #111827;--card-bg: #1f2937;--border-color: #374151}[data-theme=dark] body{background-color:var(--bg-color);color:var(--text-color)}[data-theme=dark] .topbar{background:linear-gradient(135deg,#1e3a5f,#0f2847)}[data-theme=dark] .dropdown-menu{background:var(--card-bg)}[data-theme=dark] .dropdown-item{color:var(--text-color)}[data-theme=dark] .dropdown-item:hover{background:var(--bg-color)}[data-theme=dark] .dropdown-item.active{background:#3b82f633}[data-theme=dark] .card{background:var(--card-bg)}[data-theme=dark] .card-title{color:var(--text-color)}[data-theme=dark] .card-desc{color:var(--text-secondary)}[data-theme=dark] .features{background:linear-gradient(135deg,#3b82f614,#1d4ed814)}[data-theme=dark] .features-title,[data-theme=dark] .feature-item h4{color:var(--text-color)}[data-theme=dark] .feature-item p{color:var(--text-secondary)}[data-theme=dark] .footer{background:#111827}[data-theme=dark] .tool-container{background:var(--card-bg)}[data-theme=dark] .tool-header{background:var(--bg-color)}[data-theme=dark] .spider-options{background:var(--card-bg)}[data-theme=dark] .spider-btn{background:var(--card-bg);border-color:var(--border-color);color:var(--text-color)}[data-theme=dark] .spider-input{background:var(--card-bg);color:var(--text-color);border-color:var(--border-color)}[data-theme=dark] .spider-result{background:var(--card-bg)}[data-theme=dark] .result-status{background:var(--bg-color);color:var(--text-secondary)}[data-theme=dark] .response-content{color:var(--text-color)}[data-theme=dark] .editor-textarea{background:#1e1e1e;color:#d4d4d4}[data-theme=dark] .editor-header{background:#2d2d2d;color:#d4d4d4}