:root{--navy:#101827;--panel:#fff;--bg:#f3f5f9;--line:#e5e9f0;--muted:#8490a2;--text:#202b3c;--blue:#3867f5;--blue2:#eef2ff;--shadow:0 4px 18px rgba(19,34,58,.06)}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:14px/1.45 Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Arial,sans-serif}.topbar{height:68px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;padding:0 22px;gap:28px;position:relative;z-index:3}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--text);font-size:17px;font-weight:750;white-space:nowrap}.brand b{color:var(--blue)}.brand small{display:block;color:var(--muted);font-size:10px;font-weight:500;letter-spacing:.2px}.brand-mark{width:34px;height:34px;border-radius:10px;background:linear-gradient(145deg,#5278ff,#294bd4);color:#fff;display:grid;place-items:center;font-size:20px;font-weight:800}.docname{display:flex;align-items:center;gap:10px;margin-left:auto}.docname label{font-size:12px;color:var(--muted)}.docname input{height:36px;width:210px;border:1px solid var(--line);border-radius:7px;padding:0 10px;color:var(--text);font:inherit;outline:none}.docname input:focus,.field input:focus,.field textarea:focus,.field select:focus{border-color:#8ba4ff;box-shadow:0 0 0 3px #3867f51a}.top-actions{display:flex;gap:8px}.btn{border:1px solid var(--line);border-radius:7px;padding:9px 14px;background:#fff;color:var(--text);font:600 13px inherit;cursor:pointer}.btn:hover,.tool-btn:hover,.tiny-btn:hover{background:#f5f7fb}.btn.primary{background:var(--blue);border-color:var(--blue);color:white;box-shadow:0 3px 8px #3867f52b}.btn.primary:hover{background:#2854e6}.btn.ghost{background:#fff}.app-shell{height:calc(100vh - 68px);min-height:500px;display:grid;grid-template-columns:244px minmax(400px,1fr) 280px;gap:0}.panel{background:#fff;min-height:0;overflow:auto}.left-panel{border-right:1px solid var(--line);display:flex;flex-direction:column}.right-panel{border-left:1px solid var(--line)}.panel-heading{padding:19px 17px 11px;display:flex;justify-content:space-between;align-items:center;color:#657187;font-size:10px;font-weight:800;letter-spacing:1px}.panel-heading .hint{font-size:11px;letter-spacing:0;font-weight:500;color:#a0a9b8}.component-grid{padding:4px 13px 15px;display:grid;grid-template-columns:1fr 1fr;gap:8px}.component{height:70px;border:1px solid var(--line);border-radius:8px;background:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;color:#566276;cursor:pointer}.component:hover{border-color:#aabaff;background:#f7f8ff;color:var(--blue)}.component i{font-style:normal;font-size:20px;font-weight:700;color:#6178ca}.component span{font-size:11px}.panel-separator{height:1px;background:var(--line);margin:0 16px}.tiny-btn{border:0;background:transparent;border-radius:5px;padding:3px 8px;color:#7b8798;font-size:17px;cursor:pointer}.page-list{padding:0 12px 18px}.page-item{padding:9px 9px;border-radius:7px;display:flex;align-items:center;gap:8px;cursor:pointer;margin:3px 0;border:1px solid transparent}.page-item:hover{background:#f6f8fc}.page-item.active{background:var(--blue2);border-color:#dce4ff;color:#294fdb}.page-item .page-icon{width:27px;height:27px;display:grid;place-items:center;border-radius:6px;background:#f0f2f7;color:#69778b}.page-item.active .page-icon{background:#dce5ff;color:#3157df}.page-item .page-name{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:12px;font-weight:600}.page-item .delete-page{border:0;background:transparent;color:#a1a9b7;cursor:pointer;font-size:16px;padding:2px 4px}.page-item .delete-page:hover{color:#e04d5c}.left-foot{margin-top:auto;padding:14px 17px;border-top:1px solid var(--line);font-size:11px;color:#8a95a5}.status-dot{display:inline-block;width:7px;height:7px;background:#2dbb7c;border-radius:50%;margin-right:6px}.work-area{min-width:0;display:flex;flex-direction:column;overflow:hidden}.work-toolbar{height:52px;flex:none;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 18px}.work-toolbar b{font-size:12px}.muted{color:var(--muted);font-size:11px;margin-left:10px}.zoom-tools{display:flex;align-items:center;gap:8px;color:#667287;font-size:11px}.tool-btn{width:27px;height:27px;border:1px solid var(--line);border-radius:6px;background:#fff;color:#5b6678;cursor:pointer;font-size:16px}.canvas-scroll{flex:1;overflow:auto;padding:42px;display:flex;align-items:flex-start;justify-content:center;background-color:#edf0f5;background-image:radial-gradient(#cfd5df .8px,transparent .8px);background-size:18px 18px}.canvas{position:relative;flex:none;width:1200px;height:800px;background:#fff;box-shadow:0 8px 32px #27354b20;transform-origin:top center;overflow:hidden}.canvas-empty{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:9px;color:#8b96a8;pointer-events:none}.canvas-empty strong{font-size:18px;color:#596579}.canvas-empty span{font-size:12px}.canvas-empty button{pointer-events:auto;margin-top:8px}.canvas-element{position:absolute;display:flex;align-items:center;justify-content:flex-start;overflow:visible;cursor:move;user-select:none;touch-action:none;outline:1px solid transparent}.canvas-element.selected{outline:1px solid var(--blue);z-index:1000!important}.canvas-element .element-content{width:100%;height:100%;overflow:hidden;pointer-events:none;display:flex;align-items:inherit;justify-content:inherit;white-space:pre-wrap;word-break:break-word}.canvas-element img,.canvas-element video{width:100%;height:100%;object-fit:cover;display:block}.canvas-element .resize-handle{position:absolute;width:9px;height:9px;border:1px solid #fff;background:var(--blue);border-radius:2px;z-index:5}.resize-handle.nw{left:-5px;top:-5px;cursor:nwse-resize}.resize-handle.ne{right:-5px;top:-5px;cursor:nesw-resize}.resize-handle.sw{left:-5px;bottom:-5px;cursor:nesw-resize}.resize-handle.se{right:-5px;bottom:-5px;cursor:nwse-resize}.bottom-bar{height:30px;flex:none;background:#fff;border-top:1px solid var(--line);padding:0 15px;display:flex;align-items:center;justify-content:space-between;color:#8b96a8;font-size:10px}.bottom-bar #selectionInfo{color:#536176}.tabs{height:52px;display:flex;border-bottom:1px solid var(--line);padding:0 14px;gap:18px}.tab{border:0;background:none;color:#8792a3;font:600 12px inherit;cursor:pointer;position:relative;padding:0 2px}.tab.active{color:var(--blue)}.tab.active:after{content:"";position:absolute;bottom:-1px;left:0;right:0;height:2px;background:var(--blue)}.right-content{padding:15px 15px 25px}.right-content.hidden{display:none}.empty-note{padding:15px 8px;color:#9aa4b2;font-size:12px;text-align:center}.prop-title{font-size:10px;font-weight:800;letter-spacing:.8px;color:#748096;margin:2px 0 12px}.field{margin:0 0 12px}.field label{display:block;font-size:11px;color:#68758a;margin-bottom:5px}.field input,.field textarea,.field select{width:100%;min-height:33px;border:1px solid var(--line);border-radius:6px;padding:7px 8px;font:12px inherit;color:#344054;background:#fff;outline:none}.field textarea{min-height:70px;resize:vertical}.field input[type=color]{height:35px;padding:3px}.field input[type=range]{padding:0}.field-row{display:grid;grid-template-columns:1fr 1fr;gap:8px}.field .checkline{display:flex;align-items:center;gap:7px}.field .checkline input{width:auto;min-height:0}.danger-btn{width:100%;border:1px solid #f3cdd1;color:#cf4653;background:#fff7f8;border-radius:6px;padding:8px;cursor:pointer;font-size:12px}.layer-item{display:flex;align-items:center;gap:8px;padding:8px;border:1px solid transparent;border-radius:6px;cursor:pointer;margin-bottom:4px}.layer-item:hover{background:#f6f8fc}.layer-item.active{background:#eef2ff;border-color:#dbe3ff}.layer-icon{width:24px;height:24px;border-radius:5px;background:#f0f2f7;display:grid;place-items:center;color:#69778b;font-size:12px}.layer-name{flex:1;min-width:0;font-size:11px;white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.layer-actions button{border:0;background:none;color:#929bad;cursor:pointer}.toast{position:fixed;bottom:45px;left:50%;transform:translateX(-50%);padding:10px 16px;border-radius:8px;background:#17243a;color:#fff;box-shadow:var(--shadow);z-index:5000;font-size:12px}.toast.error{background:#b93848}@media(max-width:1000px){.app-shell{grid-template-columns:190px minmax(320px,1fr) 240px}.canvas-scroll{padding:28px}.topbar{gap:14px;padding:0 12px}.brand{font-size:14px}.docname input{width:145px}}@media(max-width:760px){.topbar{height:auto;min-height:62px;flex-wrap:wrap;padding:9px 12px;gap:8px}.brand{flex:1}.docname{order:3;width:100%;margin:0}.docname input{flex:1;width:auto}.top-actions{gap:5px}.btn{padding:8px 9px;font-size:11px}.app-shell{height:calc(100vh - 108px);grid-template-columns:145px minmax(260px,1fr)}.right-panel{display:none}.component-grid{padding:4px 8px 12px;gap:5px}.component{height:60px}.canvas-scroll{padding:22px 12px}.work-toolbar{padding:0 10px}.bottom-bar span:last-child{display:none}}@media(max-width:520px){.app-shell{grid-template-columns:115px minmax(220px,1fr)}.panel-heading{padding:13px 9px 8px}.component-grid{grid-template-columns:1fr 1fr;padding:4px}.component{height:53px}.component i{font-size:17px}.component span{font-size:10px}.page-list{padding:0 5px}.page-item{padding:6px 4px;gap:4px}.page-item .page-icon{width:22px;height:22px}.page-item .page-name{font-size:10px}.left-foot{padding:10px 7px;font-size:9px}.canvas-scroll{padding:15px 8px}}