:root,body.simple-home,body.simple-tool{--bg-primary:#f7f8fa;--bg-secondary:#fff;--bg-tertiary:#eef1f4;--bg-elevated:#fff;--text-primary:#20252b;--text-secondary:#515d68;--text-muted:#66717a;--accent:#087f72;--accent-hover:#06695f;--accent-light:#e5f4ef;--border:#dce2e5;--radius-sm:6px;--radius-md:8px;--radius-lg:8px;--radius-xl:8px;--gradient-accent:linear-gradient(#087f72,#087f72);--shadow-sm:0 1px 2px #00000008;--shadow-md:none;--shadow-lg:none;--font-family:Arial,Helvetica,sans-serif;--surface:#fff;--text:#20252b}*{box-sizing:border-box;letter-spacing:0!important}body.simple-home,body.simple-tool{margin:0;color:var(--text-primary);background:#f7f8fa;font:15px/1.5 Arial,Helvetica,sans-serif}a{color:inherit}button,input,select,textarea{font:inherit}:focus-visible{outline:3px solid #168eaa;outline-offset:3px}.site-header{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px max(24px,calc((100% - 1100px)/2));background:#fff;border-bottom:1px solid var(--border)}.brand{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:700;text-decoration:none}.brand img{object-fit:contain}.site-header nav{display:flex;gap:24px}.site-header nav a{text-decoration:none;font-size:14px}.home-main{max-width:1100px;margin:40px auto 64px;padding:0 24px}.home-main h1{font-size:30px;line-height:1.2;margin:0 0 24px}.search{display:flex;align-items:center;gap:12px;border:1px solid #aeb9c0;border-radius:6px;background:#fff;padding:12px 16px;max-width:660px}.search input{width:100%;min-width:0;border:0;background:transparent;font-size:16px;color:inherit;outline:none}.search:focus-within{outline:2px solid var(--accent)}.categories{display:flex;flex-wrap:wrap;gap:8px;margin:22px 0 34px}.categories button{border:1px solid var(--border);background:#fff;border-radius:6px;padding:8px 17px;cursor:pointer;color:var(--text-secondary)}.categories button[aria-pressed=true]{background:#20252b;color:#fff;border-color:#20252b}#toolDirectory section{margin:0 0 32px}#toolDirectory h2{font-size:17px;margin:0 0 12px}.tool-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.tool-link{min-width:0;display:flex;align-items:flex-start;gap:12px;border:1px solid var(--border);border-radius:6px;background:#fff;padding:20px 16px;text-decoration:none}.tool-link:hover{border-color:var(--accent);background:#f0faf6}.tool-link>svg{flex:0 0 22px;width:22px;height:22px;color:var(--accent)}.tool-link:nth-child(3n+2)>svg{color:#b16323}.tool-link:nth-child(3n)>svg{color:#377aa1}.tool-link .tool-arrow{margin-left:auto;flex-basis:16px;width:16px;color:#88949b}.tool-link h3{margin:0 0 5px;font-size:15px}.tool-link p{margin:0;font-size:13px;color:var(--text-secondary)}.site-footer{border-top:1px solid var(--border);max-width:1100px;margin:auto;padding:24px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:16px;color:var(--text-muted);font-size:13px}.simple-tool .app-container{max-width:1020px;padding:0 24px 32px;margin:auto}.simple-tool .header{display:flex;flex-direction:row;align-items:center;justify-content:space-between;gap:16px;padding:18px 0;margin-bottom:0;border-bottom:1px solid var(--border)}.simple-tool .header .logo{display:flex;align-items:center;gap:10px;text-decoration:none}.simple-tool .header .logo-img{width:40px;height:40px;object-fit:contain}.simple-tool .header .logo-icon{width:40px;height:40px;background:none}.simple-tool .header .logo-text{color:var(--text-primary);background:none;-webkit-text-fill-color:currentColor;font-size:19px}.simple-tool .main-card{background:transparent;border:0;box-shadow:none;padding:24px 0;border-radius:0;overflow:visible}.simple-tool .tool-hero{text-align:left;padding:0;margin-bottom:24px;background:none}.simple-tool .tool-hero h1{font-size:28px;line-height:1.25;margin:0 0 8px;background:none;-webkit-text-fill-color:currentColor}.simple-tool .tool-hero p{margin:0;max-width:720px;color:var(--text-secondary);font-size:15px}.simple-tool .tool-hero-icon{display:none}.simple-tool .ift-sidebar-ad,.simple-tool #affiliateRail{display:none!important}.simple-tool .upload-zone{background:#fff;border:2px dashed #a9bdb7;border-radius:8px;padding:44px 20px;margin:16px 0}.simple-tool .upload-zone:hover{border-color:var(--accent);background:#f1faf6}.simple-tool .upload-title{font-size:19px}.simple-tool .upload-icon{width:40px;height:40px;margin-bottom:16px}.simple-tool button,.simple-tool .merge-btn,.simple-tool .download-btn{border-radius:6px}.simple-tool .merge-btn.primary,.simple-tool .download-btn{background:#087f72;color:#fff;box-shadow:none}.simple-tool input,.simple-tool textarea,.simple-tool select{max-width:100%}.simple-tool input:not([type=color]):not([type=range]):not([type=checkbox]),.simple-tool select{background:var(--bg-secondary)!important;color:var(--text-primary)!important}.simple-tool .footer{margin-top:32px;padding:16px 0}.simple-tool .stepper{display:flex;list-style:none;padding:0;margin:0 0 24px;border-bottom:1px solid var(--border)}.stepper li{flex:1;padding:12px 8px;font-size:14px;color:var(--text-muted);border-bottom:3px solid transparent}.stepper li[aria-current=step]{border-color:var(--accent);color:var(--accent);font-weight:700}.stepper li span{margin-right:8px}.simple-tool .flow-summary{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 0;margin-bottom:16px;border-bottom:1px solid var(--border)}.flow-summary p{overflow-wrap:anywhere;margin:0}.flow-summary button{flex-shrink:0;cursor:pointer;padding:8px 12px;border:1px solid var(--border);background:#fff;color:var(--text-primary)}.simple-tool .flow-hidden{display:none!important}.simple-tool .flow-details{margin-top:32px}.flow-details summary{cursor:pointer;padding:12px 0;color:var(--text-secondary)}.simple-tool .related-tools{grid-template-columns:repeat(auto-fit,minmax(180px,1fr))}.simple-tool .related-tools h2,.simple-tool .related-tool-card strong{color:var(--text-primary)!important}.simple-tool .related-tool-card span{color:var(--text-secondary)!important}.simple-tool .form-section{background:transparent;border-radius:0;padding:16px 0;border-top:1px solid var(--border)}.simple-tool [hidden]{display:none!important}.simple-tool .qr-container{display:grid;grid-template-columns:minmax(0,1fr) 280px}.simple-tool .qr-form{min-width:0}.simple-tool .qr-preview,.simple-tool .qr-canvas-wrapper{width:100%;min-width:0}.simple-tool #qrCanvas{width:100%;height:auto}@media (max-width:760px){.tool-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.site-header{padding:16px 20px}.site-header nav{gap:12px}.home-main{margin:28px auto;padding:0 20px}.home-main h1{font-size:26px}.simple-tool .app-container{padding:0 16px 24px}.simple-tool .tool-hero h1{font-size:24px}.simple-tool .settings-grid,.simple-tool .tool-layout,.simple-tool .editor-layout,.simple-tool .converter-layout{grid-template-columns:minmax(0,1fr)!important}.simple-tool .stepper li{font-size:12px;padding:10px 4px}.simple-tool .qr-container{grid-template-columns:minmax(0,1fr)}.simple-tool .qr-preview{max-width:280px;margin:auto}}@media (max-width:480px){.tool-grid{grid-template-columns:minmax(0,1fr)}.brand{font-size:16px}.tool-link{padding:16px}}body{margin:0;background:#f7f8fa;color:#20252b;font:15px/1.5 Arial,Helvetica,sans-serif}[hidden]{display:none!important}.convert-main{max-width:1000px;margin:32px auto 64px;padding:0 24px}.convert-main h1{font-size:28px;margin:0 0 20px}.convert-main h2{font-size:17px}.convert-main button,.convert-main select,.convert-main input{border:1px solid #bcc6cd;border-radius:5px;padding:9px 12px;color:inherit;background:#fff;max-width:100%}.convert-main button{display:inline-flex;gap:8px;align-items:center;cursor:pointer;min-height:42px}.convert-main button:disabled{opacity:.5;cursor:default}.convert-main button svg{width:18px;height:18px}.convert-main .primary{background:#087f72;color:#fff;border-color:#087f72}.convert-drop{display:flex;align-items:center;justify-content:center;flex-direction:column;gap:14px;min-height:210px;padding:24px;border:2px dashed #9cbbb1;background:#fff;border-radius:6px;cursor:pointer}.convert-drop input{width:100%;max-width:360px}.convert-drop svg{width:36px;height:36px;color:#087f72}.convert-main .stepper{display:flex;list-style:none;padding:0;border-bottom:1px solid #dce2e5;margin-bottom:24px}.file-bar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 0;border-bottom:1px solid #dce2e5}.file-bar p{margin:0;overflow-wrap:anywhere}.convert-fields{display:flex;flex-wrap:wrap;gap:20px;align-items:end;padding:24px 0}.convert-fields label{display:flex;flex-direction:column;gap:6px;min-width:140px;max-width:100%}.convert-fields input[type=number]{width:150px}.convert-note{color:#59656e;font-size:13px;max-width:760px}#status.error{color:#a32626}#status{min-height:24px;overflow-wrap:anywhere}#previewGrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,210px));gap:20px;margin:24px 0}#previewGrid figure{margin:0;min-width:0}#previewGrid img{display:block;width:100%;height:220px;object-fit:contain;background:#e6eaee;border:1px solid #d1d9dd}#previewGrid figcaption{font-size:13px;margin-top:6px}.result-actions{display:flex;flex-wrap:wrap;gap:12px;margin:20px 0}.sheet-list{border:0;padding:0;margin:16px 0;display:flex;flex-wrap:wrap;gap:16px}.sheet-list label{display:flex;align-items:center;gap:8px;overflow-wrap:anywhere}.sheet-list legend{padding:0;margin-bottom:10px;font-weight:700}#fileSummary{font-weight:700}@media (max-width:600px){.convert-main{margin:24px auto;padding:0 16px}.convert-main h1{font-size:24px}.stepper li{font-size:12px;padding:10px 4px}.convert-fields{gap:16px}.convert-fields label{width:100%}#previewGrid{grid-template-columns:repeat(2,minmax(0,1fr))}}