:root{--bg: #090b10;--surface: #12161f;--surface-2: #181e2a;--surface-3: #1f2636;--border: rgba(255, 255, 255, .07);--border-strong: rgba(255, 255, 255, .13);--text: #f8fafc;--text-secondary: #cbd5e1;--text-muted: #6b7a90;--primary: #ef5a5a;--primary-hover: #f06e6e;--primary-soft: rgba(239, 90, 90, .16);--primary-glow: rgba(239, 90, 90, .35);--blue: #60a5fa;--blue-soft: rgba(96, 165, 250, .14);--blue-glow: rgba(96, 165, 250, .25);--green: #34d399;--green-soft: rgba(52, 211, 153, .12);--green-glow: rgba(52, 211, 153, .22);--yellow: #fbbf24;--yellow-soft: rgba(251, 191, 36, .12);--yellow-glow: rgba(251, 191, 36, .22);--red: #f87171;--red-soft: rgba(248, 113, 113, .12);--red-glow: rgba(248, 113, 113, .22);--shadow-sm: 0 1px 3px rgba(0, 0, 0, .4);--shadow: 0 16px 48px rgba(0, 0, 0, .5);--shadow-glow: 0 8px 32px rgba(239, 90, 90, .12);--radius: 14px;--radius-sm: 8px;--max: 960px;--header-h: 64px;--font: "Inter", system-ui, sans-serif;--mono: "JetBrains Mono", monospace;--glass: rgba(18, 22, 31, .82)}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important}}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-font-smoothing:antialiased;scroll-behavior:smooth}body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.5;min-height:100vh}.bg-mesh{position:fixed;top:0;right:0;bottom:0;left:0;pointer-events:none;z-index:0;background:radial-gradient(ellipse 80% 50% at 20% -10%,rgba(239,90,90,.12),transparent 55%),radial-gradient(ellipse 60% 40% at 85% 5%,rgba(96,165,250,.1),transparent 50%),radial-gradient(ellipse 50% 35% at 50% 100%,rgba(52,211,153,.06),transparent 55%)}*{scrollbar-width:thin;scrollbar-color:rgba(255,255,255,.14) transparent}*::-webkit-scrollbar{width:6px;height:6px}*::-webkit-scrollbar-track{background:transparent}*::-webkit-scrollbar-thumb{background:#ffffff1f;border-radius:999px}*::-webkit-scrollbar-thumb:hover{background:#ffffff38}.icon-svg{width:1.25rem;height:1.25rem;display:block}.skip-link{position:absolute;top:-100px;left:16px;z-index:9999;padding:8px 16px;background:var(--primary);color:#fff;border-radius:var(--radius-sm);text-decoration:none;font-weight:600}.skip-link:focus{top:12px}.app{min-height:100vh;display:flex;flex-direction:column;position:relative;z-index:1}.header{height:var(--header-h);background:var(--glass);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 24px;position:sticky;top:0;z-index:100;box-shadow:var(--shadow-sm)}.brand{display:flex;align-items:center;gap:10px;border:none;background:none;cursor:pointer;padding:0;justify-self:start}.brand-icon{width:36px;height:36px;display:flex;align-items:center;justify-content:center;background:var(--primary-soft);color:var(--primary);border-radius:var(--radius-sm)}.brand-text{font-size:1.0625rem;font-weight:700;color:var(--text);letter-spacing:-.02em}.header-search{position:absolute;left:50%;transform:translate(-50%);display:flex;align-items:center;gap:10px;background:var(--bg);border:1px solid var(--border);border-radius:999px;padding:0 16px;height:40px;width:min(400px,calc(100vw - 420px));transition:border-color .2s,box-shadow .2s}.header-search:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-soft)}.search-icon{display:flex;color:var(--text-muted)}.header-search input{flex:1;border:none;background:transparent;font-family:inherit;font-size:.875rem;color:var(--text);outline:none;min-width:0}.search-kbd{font-family:var(--mono);font-size:.625rem;font-weight:500;color:var(--text-muted);background:var(--surface-2);border:1px solid var(--border);border-radius:4px;padding:2px 6px;flex-shrink:0}.header-trust{flex-shrink:0}.trust-pill{display:inline-flex;align-items:center;gap:6px;font-size:.75rem;font-weight:600;color:var(--green);background:var(--green-soft);padding:6px 12px;border-radius:999px}.trust-pill .icon-svg{width:14px;height:14px}.main{flex:1;width:100%}.home-view,.tool-view-inner{max-width:1100px;margin:0 auto;padding:32px 24px 48px}.home-hero{text-align:center;padding:32px 0 36px}.hero-badge{display:inline-flex;align-items:center;gap:6px;font-size:.75rem;font-weight:600;color:var(--green);background:var(--green-soft);border:1px solid rgba(52,211,153,.2);padding:6px 14px;border-radius:999px;margin-bottom:20px}.hero-badge .icon-svg{width:14px;height:14px}.home-hero h1{font-size:clamp(1.875rem,4.5vw,2.75rem);font-weight:800;letter-spacing:-.04em;color:var(--text);line-height:1.15}.hero-subtitle{margin-top:16px;font-size:1.0625rem;color:var(--text-muted);max-width:560px;margin-left:auto;margin-right:auto;line-height:1.6}.hero-stats{display:flex;justify-content:center;gap:16px;margin-top:32px;flex-wrap:wrap}.stat-card{display:flex;flex-direction:column;align-items:center;gap:2px;padding:16px 28px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);min-width:120px}.stat-value{font-size:1.5rem;font-weight:800;letter-spacing:-.03em;color:var(--text);font-variant-numeric:tabular-nums}.stat-label{font-size:.75rem;font-weight:500;color:var(--text-muted);text-transform:uppercase;letter-spacing:.06em}.category-filters{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-bottom:36px}.filter-chip{border:1px solid var(--border);background:var(--surface);color:var(--text-muted);font-family:inherit;font-size:.8125rem;font-weight:600;padding:8px 16px;border-radius:999px;cursor:pointer;transition:background .2s,color .2s,border-color .2s,box-shadow .2s}.filter-chip:hover{color:var(--text-secondary);border-color:var(--border-strong)}.filter-chip.active{color:var(--text);background:var(--surface-2);border-color:var(--border-strong);box-shadow:var(--shadow-sm)}.filter-chip.accent-blue.active{border-color:#60a5fa59;color:var(--blue)}.filter-chip.accent-green.active{border-color:#34d39959;color:var(--green)}.filter-chip.accent-yellow.active{border-color:#fbbf2459;color:var(--yellow)}.filter-chip.accent-red.active{border-color:#f8717159;color:var(--red)}.quick-start{margin-bottom:44px;padding:24px;background:linear-gradient(180deg,var(--surface-2) 0%,var(--surface) 100%);border:1px solid var(--border);border-radius:var(--radius)}.quick-start-header{margin-bottom:18px}.quick-start-header h2{font-size:1.125rem;font-weight:700;letter-spacing:-.02em;color:var(--text)}.quick-start-header p{margin-top:4px;font-size:.875rem;color:var(--text-muted)}.quick-start-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.quick-card{display:flex;align-items:center;gap:14px;padding:16px 18px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);cursor:pointer;font-family:inherit;text-align:left;transition:transform .2s,border-color .2s,box-shadow .2s}.quick-card:hover{transform:translateY(-2px);border-color:var(--border-strong);box-shadow:var(--shadow-sm)}.quick-card:focus-visible{outline:2px solid var(--primary);outline-offset:2px}.quick-card-icon{width:44px;height:44px;display:flex;align-items:center;justify-content:center;border-radius:50%;flex-shrink:0}.quick-card.accent-blue .quick-card-icon{background:var(--blue-soft);color:var(--blue)}.quick-card.accent-green .quick-card-icon{background:var(--green-soft);color:var(--green)}.quick-card.accent-yellow .quick-card-icon{background:var(--yellow-soft);color:var(--yellow)}.quick-card.accent-red .quick-card-icon{background:var(--red-soft);color:var(--red)}.quick-card-icon .icon-svg{width:22px;height:22px}.quick-card-body{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px}.quick-card-name{font-size:.9375rem;font-weight:600;color:var(--text)}.quick-card-desc{font-size:.75rem;color:var(--text-muted);line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.quick-card-arrow{color:var(--text-muted);flex-shrink:0;opacity:0;transform:translate(-4px);transition:opacity .2s,transform .2s,color .2s}.quick-card-arrow .icon-svg{width:16px;height:16px}.quick-card:hover .quick-card-arrow{opacity:1;transform:translate(0);color:var(--primary)}.section-title{font-size:.8125rem;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted);margin-bottom:14px;padding-left:4px}.tool-category{margin-bottom:40px}.category-title{display:flex;align-items:center;gap:8px;font-size:.8125rem;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted);margin-bottom:16px;padding-left:4px}.category-dot{width:8px;height:8px;border-radius:50%;flex-shrink:0}.category-dot.accent-blue{background:var(--blue);box-shadow:0 0 8px var(--blue-glow)}.category-dot.accent-green{background:var(--green);box-shadow:0 0 8px var(--green-glow)}.category-dot.accent-yellow{background:var(--yellow);box-shadow:0 0 8px var(--yellow-glow)}.category-dot.accent-red{background:var(--red);box-shadow:0 0 8px var(--red-glow)}.tool-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px}.tool-card{position:relative;display:flex;flex-direction:column;align-items:center;text-align:center;gap:10px;padding:28px 20px 24px;background:linear-gradient(180deg,var(--surface-2) 0%,var(--surface) 100%);border:1px solid var(--border);border-radius:var(--radius);cursor:pointer;transition:transform .25s,box-shadow .25s,border-color .25s;font-family:inherit;overflow:hidden}.tool-card:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;opacity:0;transition:opacity .25s;pointer-events:none}.tool-card.accent-blue:before{background:radial-gradient(circle at 50% 0%,var(--blue-glow),transparent 70%)}.tool-card.accent-green:before{background:radial-gradient(circle at 50% 0%,var(--green-glow),transparent 70%)}.tool-card.accent-yellow:before{background:radial-gradient(circle at 50% 0%,var(--yellow-glow),transparent 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h1{font-size:1.75rem;font-weight:700;letter-spacing:-.02em}.tool-hero-desc{margin-top:8px;color:var(--text-muted);font-size:.9375rem}.step-indicator{display:flex;align-items:flex-start;justify-content:center;gap:0;margin-bottom:28px;padding:20px 24px 16px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius)}.step-item{display:flex;flex-direction:column;align-items:center;gap:8px;min-width:72px}.step-dot{width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:50%;font-size:.8125rem;font-weight:700;background:var(--surface-2);border:2px solid var(--border-strong);color:var(--text-muted);transition:background .25s,border-color .25s,color .25s,box-shadow .25s}.step-label{font-size:.75rem;font-weight:600;color:var(--text-muted);transition:color .25s}.step-item.active .step-dot{background:var(--primary-soft);border-color:var(--primary);color:var(--primary);box-shadow:0 0 16px var(--primary-glow)}.step-item.active .step-label{color:var(--primary)}.step-item.done .step-dot{background:var(--green-soft);border-color:var(--green);color:transparent;font-size:0}.step-item.done .step-dot:after{content:"✓";font-size:.875rem;color:var(--green);line-height:1}.step-item.done .step-label{color:var(--text-secondary)}.step-line{flex:1;max-width:100px;height:2px;margin:15px 8px 0;background:var(--border);border-radius:1px;transition:background .25s}.step-line.done{background:var(--green)}.tool-workspace{display:flex;flex-direction:column;gap:20px;padding-bottom:96px}.footer{padding:20px 24px;text-align:center;border-top:1px solid var(--border);background:var(--surface)}.footer p{font-size:.8125rem;color:var(--text-muted)}.hidden{display:none!important}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-sm)}.card+.card{margin-top:0}.card-title{font-size:.8125rem;font-weight:600;color:var(--text-secondary);margin-bottom:16px;text-transform:uppercase;letter-spacing:.04em}.dropzone{border:2px dashed var(--border-strong);border-radius:var(--radius);padding:48px 32px;cursor:pointer;background:linear-gradient(180deg,var(--surface-2) 0%,var(--surface) 100%);transition:border-color .25s,background .25s,padding .25s,box-shadow .25s}.dropzone:hover,.dropzone.dragover{border-color:var(--primary);background:var(--primary-soft);box-shadow:0 0 24px var(--primary-glow)}.dropzone.has-files{padding:20px 24px;border-style:solid;border-color:#34d39959;background:var(--green-soft)}.dropzone.has-files:hover,.dropzone.has-files.dragover{border-color:var(--green);background:#34d39929;box-shadow:0 0 20px var(--green-glow)}.dropzone:not(:has(.dropzone-inner)){display:flex;flex-direction:column;align-items:center;text-align:center;gap:12px}.dropzone-inner{display:flex;flex-direction:column;align-items:center;text-align:center;gap:12px;position:relative;width:100%}.dropzone.has-files .dropzone-inner{flex-direction:row;text-align:left;justify-content:flex-start}.dropzone-icon{width:64px;height:64px;display:flex;align-items:center;justify-content:center;background:var(--surface);border-radius:50%;color:var(--primary);box-shadow:var(--shadow-sm);flex-shrink:0;transition:width .25s,height .25s}.dropzone.has-files .dropzone-icon{width:44px;height:44px;background:var(--green-soft);color:var(--green)}.dropzone.has-files .dropzone-icon .icon-svg{width:20px;height:20px}.dropzone-copy{flex:1;min-width:0}.dropzone h3{font-size:1.125rem;font-weight:600;color:var(--text);margin-bottom:4px}.dropzone.has-files h3{font-size:.9375rem;margin-bottom:2px;color:var(--green)}.dropzone p{font-size:.875rem;color:var(--text-muted)}.dropzone.has-files p{font-size:.8125rem}.dropzone-badge{position:absolute;top:-8px;right:-8px;min-width:24px;height:24px;padding:0 6px;display:none;align-items:center;justify-content:center;background:var(--green);color:#0a0f14;font-size:.75rem;font-weight:700;border-radius:999px}.dropzone.has-files .dropzone-badge{display:flex;position:static;margin-left:auto;flex-shrink:0}.dropzone input{display:none}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 20px;border:none;border-radius:var(--radius-sm);font-family:inherit;font-size:.875rem;font-weight:600;cursor:pointer;transition:background .2s,transform .15s}.btn:disabled{opacity:.5;cursor:not-allowed}.btn:focus-visible{outline:2px solid var(--primary);outline-offset:2px}.btn-primary,.btn.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover:not(:disabled),.btn.btn-primary:hover:not(:disabled){background:var(--primary-hover)}.btn-secondary{background:var(--surface);color:var(--text-secondary);border:1px solid var(--border-strong)}.btn-secondary:hover:not(:disabled){background:var(--bg);color:var(--text)}.btn-danger{background:var(--red-soft);color:var(--red);border:1px solid rgba(248,113,113,.25)}.btn-sm{padding:6px 12px;font-size:.8125rem}.btn-group{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}.tool-workspace>.btn-group.action-dock:not(.hidden),.btn-group.action-dock:not(.hidden){position:sticky;bottom:16px;z-index:40;margin-top:24px;padding:14px 18px;background:var(--glass);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid var(--border-strong);border-radius:var(--radius);box-shadow:var(--shadow)}.tool-workspace>.toolbar{position:sticky;top:calc(var(--header-h) + 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var(--border);font-size:.75rem}.page-meta .page-num{font-weight:600;color:var(--text-muted)}.page-actions{display:flex;gap:2px}.page-actions button{width:24px;height:24px;border:none;background:transparent;color:var(--text-muted);border-radius:4px;cursor:pointer;font-size:.75rem}.page-actions button:hover{background:var(--bg);color:var(--text)}.file-list{display:flex;flex-direction:column;gap:8px;margin-top:12px}.file-item{display:flex;align-items:center;gap:12px;padding:12px 16px;background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius-sm);cursor:grab}.file-item .file-icon{display:flex;color:var(--primary)}.file-item .file-name{flex:1;font-size:.875rem;font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.file-item .file-pages{font-size:.75rem;color:var(--text-muted)}.file-item .remove-btn{width:28px;height:28px;border:none;background:transparent;color:var(--text-muted);cursor:pointer;border-radius:4px;font-size:1.125rem}.file-item .remove-btn:hover{background:var(--red-soft);color:var(--red)}.image-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:12px;margin-top:12px}.image-card{border:1px solid var(--border);border-radius:var(--radius-sm);overflow:hidden;cursor:grab;background:var(--surface)}.image-card img{width:100%;aspect-ratio:3/4;object-fit:cover}.image-card .image-meta{padding:8px;font-size:.75rem;color:var(--text-muted);background:var(--surface-2)}.preview-panel{margin-top:20px;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;background:var(--surface)}.preview-panel-header{padding:12px 16px;background:var(--surface-2);border-bottom:1px solid var(--border);font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.04em;color:var(--text-muted)}.preview-canvas-wrap{padding:24px;display:flex;justify-content:center;background:#0a0c10;background-image:linear-gradient(45deg,#12151c 25%,transparent 25%),linear-gradient(-45deg,#12151c 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#12151c 75%),linear-gradient(-45deg,transparent 75%,#12151c 75%);background-size:14px 14px;background-position:0 0,0 7px,7px -7px,-7px 0;min-height:180px;overflow:auto}.preview-canvas-wrap canvas{box-shadow:var(--shadow);max-width:100%}.signature-pad-wrap{border:1px solid var(--border);border-radius:var(--radius-sm);background:#fff;overflow:hidden}.signature-pad-wrap canvas{display:block;width:100%;cursor:crosshair;touch-action:none}.editor-canvas-wrap{position:relative;display:inline-block;margin:16px auto}.editor-overlay{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none}.editor-overlay .draggable-item{position:absolute;pointer-events:all;cursor:move;border:2px dashed transparent}.editor-overlay .draggable-item:hover,.editor-overlay .draggable-item.selected{border-color:var(--primary)}.editor-overlay .text-box{white-space:nowrap;font-family:Helvetica,sans-serif}.crop-preview-wrap{display:flex;justify-content:center;align-items:flex-start;min-height:200px;position:relative}.crop-preview{max-width:100%}.crop-preview canvas{display:block;max-width:100%;height:auto}.crop-shade{position:absolute;background:#ef5a5a40;pointer-events:none}.crop-box{position:absolute;border:2px dashed var(--primary);box-shadow:0 0 0 1px #00000026;pointer-events:none}.progress-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000a6;display:flex;align-items:center;justify-content:center;z-index:1000;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.progress-box{background:var(--surface);border-radius:var(--radius);padding:32px 40px;text-align:center;min-width:260px;box-shadow:var(--shadow)}.spinner{width:36px;height:36px;border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .7s linear infinite;margin:0 auto 16px}@keyframes spin{to{transform:rotate(360deg)}}.progress-box p{font-weight:500;color:var(--text-secondary)}.progress-bar{margin-top:16px;height:4px;background:var(--border);border-radius:2px;overflow:hidden}.progress-bar-fill{height:100%;background:var(--primary);transition:width .3s}.toast{position:fixed;bottom:24px;left:50%;transform:translate(-50%);padding:12px 20px;background:var(--text);color:#fff;border-radius:var(--radius-sm);font-size:.875rem;font-weight:500;z-index:1001;box-shadow:var(--shadow);animation:slideUp .25s ease}.toast.success{background:var(--green)}.toast.error{background:var(--red)}@keyframes slideUp{0%{opacity:0;transform:translate(-50%) translateY(8px)}to{opacity:1;transform:translate(-50%) translateY(0)}}.toolbar{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:12px 16px;background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius-sm);margin-bottom:16px}.toolbar .separator{width:1px;height:24px;background:var(--border)}.selection-bar{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;background:var(--primary-soft);border:1px solid rgba(239,90,90,.25);border-radius:var(--radius-sm);margin-bottom:16px;font-size:.875rem}.range-value{font-size:.75rem;color:var(--text-muted);margin-top:4px}.info-list{list-style:none;font-size:.875rem;color:var(--text-muted);line-height:1.7}.info-list li{padding-left:16px;position:relative}.info-list li:before{content:"";position:absolute;left:0;top:.6em;width:5px;height:5px;border-radius:50%;background:var(--primary)}.status-text{margin-top:12px;font-size:.8125rem;color:var(--green);font-weight:500}.shell,.command-panel,.workspace,.menu-toggle,.sidebar-overlay,.hero-stripe{display:none!important}@media(max-width:768px){.header-search,.header-trust,.search-kbd{display:none}.hero-stats{gap:10px}.stat-card{min-width:100px;padding:12px 20px}.tool-grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr))}.quick-start{padding:18px 16px}.quick-start-grid{grid-template-columns:1fr}.tool-hero{flex-direction:column;align-items:center;text-align:center}.step-indicator{padding:16px;gap:4px}.step-line{max-width:40px;margin-top:15px}.step-label{font-size:.6875rem}.tool-workspace>.btn-group.action-dock:not(.hidden),.btn-group.action-dock:not(.hidden){bottom:8px;padding:12px 14px}}