.pdf-editor-app{--primary-color: #2c8865;--secondary-color: #1d5c42;--accent-color: #ff7a5a;--background-color: #1a3a2e;--card-background: #244539;--text-color: #f0f0f0;--text-muted: #a9c9bc;--border-color: #2c6154;--card-shadow: 0 4px 6px rgba(0, 0, 0, .25);--hover-shadow: 0 6px 10px rgba(0, 0, 0, .35);--tooltip-background: rgba(0, 0, 0, .8);--modal-header-bg: var(--card-background);--modal-content-bg: #1c3931;--slider-thumb-color: var(--primary-color);--slider-track-color: #395d52;--input-bg: rgba(255, 255, 255, .1);--dropdown-bg: var(--card-background)}.pdf-editor-app,.pdf-editor-app *{box-sizing:border-box;margin:0;padding:0}.pdf-editor-app{font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;line-height:1.6;color:var(--text-color);background-color:var(--background-color);padding:20px}.pdf-editor-app header{text-align:center;margin-bottom:30px}.pdf-editor-app h1{color:var(--text-color);margin-bottom:10px;font-weight:300;letter-spacing:1px}.pdf-editor-app header p{color:var(--text-muted);font-size:16px}.container{max-width:1200px;margin:0 auto}.upload-area{background-color:var(--card-background);border:2px dashed var(--primary-color);border-radius:10px;padding:40px;text-align:center;margin-bottom:30px;transition:all .3s ease}.upload-area.drag-over{background-color:#2c886533;border-color:var(--accent-color)}.upload-area p{margin-bottom:20px;color:var(--text-muted)}.file-input{display:none}.upload-btn{background-color:var(--primary-color);color:#fff;border:none;padding:12px 24px;border-radius:5px;cursor:pointer;font-size:16px;transition:background-color .3s ease;display:inline-flex;align-items:center;gap:8px}.upload-btn:hover{background-color:var(--secondary-color);box-shadow:var(--card-shadow)}.loading{display:none;margin-top:20px}.spinner{border:5px solid var(--card-background);border-top:5px solid var(--accent-color);border-radius:50%;width:30px;height:30px;animation:spin 1s linear infinite;margin:0 auto 10px}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.pdf-editor{display:none}.toolbar{background-color:var(--card-background);padding:15px;border-radius:10px;box-shadow:var(--card-shadow);margin-bottom:20px;display:flex;flex-wrap:wrap;gap:10px;align-items:center}.btn{background-color:var(--primary-color);color:#fff;border:none;padding:10px;width:40px;height:40px;border-radius:5px;cursor:pointer;font-size:16px;transition:all .3s ease;display:flex;align-items:center;justify-content:center;position:relative}.btn:hover{background-color:var(--secondary-color);transform:translateY(-2px);box-shadow:var(--card-shadow)}.btn.delete-selected{background-color:var(--accent-color)}.btn.delete-selected:hover{background-color:#e05f40}.btn:disabled{background-color:#505b56;cursor:not-allowed;transform:none;box-shadow:none}.btn[data-tooltip]:hover:after{content:attr(data-tooltip);position:absolute;bottom:-30px;left:50%;transform:translate(-50%);background-color:var(--tooltip-background);color:#fff;padding:4px 8px;border-radius:4px;font-size:12px;white-space:nowrap;z-index:100}.page-options{display:flex;align-items:center;margin-left:auto;color:var(--text-muted)}.page-count{margin-left:10px;font-size:14px;color:var(--text-muted)}.pages-container{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:20px;margin-bottom:30px}.page-item{background-color:var(--card-background);border-radius:10px;overflow:hidden;box-shadow:var(--card-shadow);position:relative;transition:all .3s ease;cursor:move}.page-item:hover{box-shadow:var(--hover-shadow);transform:translateY(-3px)}.page-preview{width:100%;height:250px;display:flex;justify-content:center;align-items:center;background-color:#ffffff0d;border-bottom:1px solid var(--border-color)}.page-preview canvas{max-width:100%;max-height:100%;object-fit:contain}.page-actions{padding:12px;display:flex;justify-content:space-between;align-items:center}.page-number{font-size:14px;color:var(--text-muted)}.delete-page{background-color:transparent;border:none;color:var(--accent-color);cursor:pointer;font-size:16px;padding:5px;transition:transform .2s ease}.delete-page:hover{transform:scale(1.2)}.page-checkbox{position:absolute;top:10px;left:10px;width:18px;height:18px;z-index:10;accent-color:var(--primary-color)}.drag-ghost{opacity:.5}.instructions{background-color:var(--card-background);border-radius:10px;padding:20px;margin-bottom:30px;box-shadow:var(--card-shadow)}.instructions h2{margin-bottom:15px;color:var(--text-color);font-weight:400;letter-spacing:.5px}.instructions ul{margin-left:20px;color:var(--text-muted)}.instructions li{margin-bottom:8px}.pdf-editor-app footer{text-align:center;margin-top:30px;padding-top:20px;border-top:1px solid var(--border-color);color:var(--text-muted);font-size:14px}@media(max-width:768px){.pages-container{grid-template-columns:repeat(auto-fill,minmax(140px,1fr))}.page-preview{height:200px}.toolbar{flex-direction:column;align-items:stretch}.page-options{margin-left:0;margin-top:10px}}.modal-overlay{display:none;position:fixed;inset:0;background-color:#000000bf;z-index:1000;align-items:center;justify-content:center;opacity:1;transition:opacity .3s ease;backdrop-filter:blur(3px)}.modal-container{background-color:var(--card-background);border-radius:10px;padding:25px;box-shadow:var(--hover-shadow);max-width:90%;max-height:90%;overflow:auto;position:relative;z-index:1001;display:flex;flex-direction:column;align-items:center;border:1px solid var(--border-color)}.modal-close{position:absolute;top:10px;right:10px;background-color:var(--accent-color);color:#fff;border:none;width:30px;height:30px;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:16px;transition:background-color .2s ease,transform .2s ease}.modal-close:hover{background-color:#e05f40;transform:scale(1.1)}.modal-page-preview{display:flex;justify-content:center;align-items:center;margin:15px 0;position:relative}.modal-page-preview canvas{max-width:100%;max-height:70vh;object-fit:contain}.text-editor-panel{width:100%;background-color:var(--modal-content-bg);border-radius:8px;padding:15px;margin-top:15px;border:1px solid var(--border-color)}.text-editor-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:15px;border-bottom:1px solid var(--border-color);padding-bottom:10px}.text-editor-header h3{color:var(--text-color);font-weight:400;font-size:16px}.text-editor-controls{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:15px;margin-bottom:15px}.control-group{display:flex;flex-direction:column;gap:5px}.control-group label{color:var(--text-muted);font-size:14px}.text-editor-panel input[type=text],.text-editor-panel input[type=number],.text-editor-panel select{background-color:var(--input-bg);border:1px solid var(--border-color);border-radius:4px;padding:8px 10px;color:var(--text-color);font-size:14px}.text-editor-panel input[type=color]{width:100%;height:30px;border:1px solid var(--border-color);border-radius:4px;background-color:var(--input-bg);cursor:pointer}.text-editor-panel select{background-color:var(--dropdown-bg);appearance:none;padding-right:25px;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='5' viewBox='0 0 10 5'%3E%3Cpath fill='%23a9c9bc' d='M0 0l5 5 5-5z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 10px center}.font-size-control{display:flex;align-items:center;gap:10px}.font-size-control input[type=range]{flex:1;height:6px;-webkit-appearance:none;border-radius:3px;background-color:var(--slider-track-color)}.font-size-control input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:16px;height:16px;border-radius:50%;background-color:var(--slider-thumb-color);cursor:pointer}.font-size-control input[type=range]::-moz-range-thumb{width:16px;height:16px;border-radius:50%;background-color:var(--slider-thumb-color);cursor:pointer;border:none}.font-size-value{width:40px;text-align:center;color:var(--text-color);font-size:14px}.text-editor-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:15px}.text-editor-btn{background-color:var(--primary-color);color:#fff;border:none;padding:8px 15px;border-radius:4px;cursor:pointer;transition:background-color .2s ease;font-size:14px;display:flex;align-items:center;gap:5px}.text-editor-btn:hover{background-color:var(--secondary-color)}.text-editor-btn.cancel{background-color:transparent;border:1px solid var(--border-color);color:var(--text-muted)}.text-editor-btn.cancel:hover{background-color:#ffffff0d}.text-annotation{position:absolute;transform-origin:left top;cursor:move;padding:5px;border:1px dashed transparent}.text-annotation:hover,.text-annotation.selected{border-color:var(--accent-color)}.text-annotation .delete-annotation{position:absolute;top:-15px;right:-15px;background-color:var(--accent-color);color:#fff;border:none;width:20px;height:20px;border-radius:50%;font-size:10px;display:none;align-items:center;justify-content:center;cursor:pointer}.text-annotation:hover .delete-annotation{display:flex}.page--pdf-editor{max-width:1200px}.pdf-editor-app{background:transparent;padding:0;color:var(--text-color)}