:root{--ink:#19324a;--muted:#6c7b89;--line:#dbe3e9;--soft:#f3f6f8;--paper:#fffdf8;--navy:#173f5f;--teal:#0f766e;--amber:#c5892a;--shadow:0 12px 32px rgba(27,53,73,.08)}.hidden-import{border:1px solid var(--line);background:#fff;color:#62727d;border-radius:5px;padding:5px 9px;font:600 11px inherit;cursor:pointer;margin-left:12px}.hidden-import:hover{border-color:#9bacb8;color:var(--navy)}
*{box-sizing:border-box}body{margin:0;color:var(--ink);font:13px/1.45 "Segoe UI","Microsoft YaHei",sans-serif;background:#edf1f2;letter-spacing:0}.app-shell{height:100vh;min-height:620px;display:flex;flex-direction:column}.topbar{height:68px;background:#fff;display:flex;align-items:center;padding:0 24px;border-bottom:1px solid var(--line);gap:28px;flex-shrink:0}.brand-lockup{display:flex;align-items:center;gap:11px;min-width:225px}.brand-mark{width:32px;height:32px;border:1px solid #c8a05b;color:#a77225;display:grid;place-items:center;border-radius:7px;font-family:serif;font-size:18px;background:#fffaf0}.brand-name{font-weight:700;font-size:16px;line-height:1.1}.brand-subtitle{font-size:11px;color:var(--muted);margin-top:2px}.document-title-wrap{display:flex;align-items:center;gap:8px;flex:1;max-width:340px;margin-left:22px}.status-dot{width:7px;height:7px;border-radius:50%;background:#3aa981;box-shadow:0 0 0 3px #e6f5ee}.document-title-wrap input{border:0;font-weight:600;color:var(--ink);font-size:14px;outline:0;background:transparent;width:100%;padding:7px 4px}.top-actions{display:flex;align-items:center;gap:8px;margin-left:auto}.top-actions button{height:34px}.ghost-btn,.outline-btn,.primary-btn,.export-btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;border-radius:6px;padding:0 12px;font:600 12px inherit;cursor:pointer;transition:.16s}.ghost-btn{border:0;background:transparent;color:#607080}.ghost-btn:hover{background:var(--soft);color:var(--ink)}.outline-btn{border:1px solid var(--line);color:var(--ink);background:#fff}.outline-btn:hover{border-color:#aabac5;background:#f9fbfb}.primary-btn,.export-btn{border:1px solid var(--navy);background:var(--navy);color:#fff}.primary-btn:hover,.export-btn:hover{background:#0f314c}.action-divider{height:22px;width:1px;background:var(--line);margin:0 5px}.workspace{display:flex;flex:1;min-height:0}.tool-rail{width:76px;display:flex;flex-direction:column;align-items:center;background:#f8fafb;border-right:1px solid var(--line);padding:16px 9px 13px;flex-shrink:0}.rail-group{display:flex;flex-direction:column;gap:5px;width:100%}.rail-spacer{flex:1}.rail-tool{height:54px;border:0;background:transparent;border-radius:7px;color:#758391;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;cursor:pointer;font-size:10px}.rail-tool svg{width:18px;height:18px;stroke-width:1.8}.rail-tool:hover{background:#eaf0f3;color:var(--ink)}.rail-tool.active{background:#deebf2;color:var(--navy);box-shadow:inset 3px 0 0 var(--navy)}.rail-bottom{border-top:1px solid var(--line);padding-top:10px}.canvas-area{display:flex;flex-direction:column;min-width:0;flex:1;background:#eef2f3}.canvas-toolbar{height:52px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 20px;flex-shrink:0}.crumb{color:#84919b;font-size:12px}.crumb strong{color:var(--ink);font-weight:600}.saved-label{margin-left:14px;color:#56a07f;font-size:11px}.toolbar-right{display:flex;align-items:center;gap:11px}.tool-icon-btn,.zoom-btn{width:31px;height:31px;border:1px solid var(--line);background:#fff;border-radius:5px;color:#61707b;display:grid;place-items:center;cursor:pointer}.tool-icon-btn:hover,.zoom-btn:hover{border-color:#9bacb8;color:var(--navy)}.tool-icon-btn svg,.zoom-btn svg{width:15px;height:15px}.zoom-control{height:31px;border:1px solid var(--line);border-radius:5px;display:flex;align-items:center;gap:3px;padding:0 2px;background:#fff}.zoom-control span{width:42px;text-align:center;font-size:11px;color:#61707b}.export-btn{height:31px;padding:0 11px}.canvas-scroll{flex:1;overflow:auto;padding:28px;display:flex;align-items:flex-start;justify-content:center}.stage-wrap{width:1100px;height:700px;flex:none;transition:width .15s,height .15s}.canvas-stage{width:1100px;height:700px;position:relative;transform-origin:top left;box-shadow:var(--shadow);border-radius:2px;overflow:hidden;background:var(--paper)}canvas{position:absolute;inset:0;width:1100px;height:700px;display:block}#annotationCanvas{cursor:crosshair}.drop-hint{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;color:#83919b;gap:8px;pointer-events:none;background:rgba(255,253,248,.72);opacity:0;transition:.2s}.drop-hint svg{width:34px;height:34px;color:#b9c5cc;stroke-width:1.4}.drop-hint strong{font-size:14px;color:#667683}.drop-hint span{font-size:11px}.canvas-stage.empty .drop-hint{opacity:1}.canvas-footer{height:33px;display:flex;align-items:center;gap:17px;padding:0 20px;color:#8a979f;font-size:10px;background:#f7f9fa;border-top:1px solid var(--line);flex-shrink:0}.canvas-footer kbd{font:10px inherit;border:1px solid #cfd8dd;border-radius:3px;background:#fff;padding:1px 4px;color:#6b7a84}.footer-spacer{flex:1}.inspector{width:274px;background:#fff;border-left:1px solid var(--line);display:flex;flex-direction:column;min-width:240px;flex-shrink:0}.inspector-head{height:75px;padding:19px 18px 11px;display:flex;align-items:flex-start;justify-content:space-between;border-bottom:1px solid var(--line)}.panel-eyebrow{font-size:10px;letter-spacing:.08em;color:#8b989f;text-transform:uppercase}.inspector h2{font-size:18px;line-height:1;margin:5px 0 0}.panel-collapse{border:0;background:transparent;color:#94a0a8;cursor:pointer;padding:3px}.panel-collapse svg{width:17px}.inspector-body{padding:18px;overflow:auto;min-height:250px}.empty-state{color:#8b989f;text-align:center;padding:30px 15px;font-size:12px}.empty-state svg{width:25px;height:25px;margin-bottom:8px;color:#b5c0c6}.field{margin-bottom:17px}.field label{display:block;font-size:11px;font-weight:600;color:#6f7e88;margin-bottom:7px}.field input[type=text],.field textarea,.field input[type=number]{width:100%;border:1px solid var(--line);border-radius:5px;padding:8px 9px;font:12px inherit;color:var(--ink);outline:0;background:#fcfdfd}.field textarea{resize:vertical;min-height:60px}.field input:focus,.field textarea:focus{border-color:#8da9b8;box-shadow:0 0 0 2px #e7f0f4}.swatches{display:flex;gap:8px}.swatch{width:23px;height:23px;border-radius:50%;border:2px solid #fff;box-shadow:0 0 0 1px #cad5dc;cursor:pointer}.swatch.active{box-shadow:0 0 0 2px var(--navy)}.range-row{display:flex;align-items:center;gap:8px}.range-row input{flex:1;accent-color:var(--navy)}.range-value{width:31px;color:#697985;text-align:right;font-size:11px}.layers-section{border-top:1px solid var(--line);padding:14px 12px 12px;min-height:190px;display:flex;flex-direction:column}.section-head{display:flex;justify-content:space-between;align-items:center;color:#657581;font-weight:600;font-size:11px;padding:0 6px 10px}.layer-count{border-radius:10px;background:#eef2f3;padding:1px 7px;color:#89969d;font-size:10px}.layers-list{overflow:auto}.layer-item{display:flex;align-items:center;gap:8px;padding:8px 7px;border-radius:5px;cursor:pointer;color:#536470}.layer-item:hover{background:#f4f7f8}.layer-item.selected{background:#eaf2f5;color:var(--navy)}.layer-icon{width:25px;height:25px;border-radius:4px;background:#f0f3f4;display:grid;place-items:center;color:#758590}.layer-icon svg{width:14px;height:14px}.layer-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:11px;flex:1}.layer-eye{color:#aab6bc}.layer-eye svg{width:14px;height:14px}.toast{position:fixed;bottom:47px;left:50%;transform:translateX(-50%) translateY(10px);background:#19324a;color:#fff;padding:9px 14px;border-radius:5px;font-size:12px;opacity:0;pointer-events:none;transition:.2s;z-index:10}.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
@media(max-width:1000px){.topbar{padding:0 14px;gap:14px}.brand-lockup{min-width:150px}.brand-subtitle{display:none}.document-title-wrap{margin-left:0;max-width:230px}.ghost-btn span,.outline-btn span{display:none}.inspector{width:240px}.canvas-scroll{padding:18px}}
@media(max-width:720px){.app-shell{min-height:570px}.topbar{height:58px}.brand-lockup{min-width:126px}.brand-mark{width:28px;height:28px;font-size:16px}.brand-name{font-size:14px}.document-title-wrap{max-width:155px}.top-actions{gap:4px}.primary-btn,.outline-btn{padding:0 8px}.primary-btn span{display:none}.tool-rail{width:60px;padding-left:5px;padding-right:5px}.rail-tool{height:48px}.inspector{width:220px}.canvas-toolbar{padding:0 10px}.crumb{max-width:165px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.saved-label{display:none}.export-btn span{display:none}.export-btn{width:33px;padding:0}.canvas-footer{padding:0 10px;gap:9px}.canvas-footer span:nth-child(-n+3){display:none}}
:root{--ink:#19324a;--muted:#6c7b89;--line:#dbe3e9;--soft:#f3f6f8;--paper:#fffdf8;--navy:#173f5f;--teal:#0f766e;--amber:#c5892a;--shadow:0 12px 32px rgba(27,53,73,.08)}.direction-presets{display:grid;grid-template-columns:repeat(4,1fr);gap:5px;margin-top:8px}.direction-presets button{border:1px solid var(--line);background:#fff;border-radius:4px;color:#657581;font:11px inherit;padding:5px 2px;cursor:pointer}.direction-presets button:hover{border-color:#aabac5;background:#f3f7f8;color:var(--navy)}.flystar-modal{display:none;position:fixed;inset:0;background:rgba(24,45,58,.38);z-index:20;align-items:center;justify-content:center;padding:18px}.flystar-modal.open{display:flex}.flystar-dialog{width:min(1060px,100%);max-height:min(720px,100%);overflow:hidden;background:#fff;border-radius:8px;box-shadow:0 24px 70px rgba(24,45,58,.25);display:flex;flex-direction:column}.flystar-dialog-head{height:75px;flex-shrink:0;padding:17px 22px 12px;display:flex;align-items:flex-start;justify-content:space-between;border-bottom:1px solid var(--line)}.flystar-dialog-head h2{font-size:19px;line-height:1;margin:5px 0 0}.flystar-dialog-body{display:grid;grid-template-columns:232px minmax(0,1fr);min-height:450px;overflow:auto}.flystar-form{border-right:1px solid var(--line);padding:20px 18px;background:#fbfcfc}.flystar-form-title{font-size:11px;font-weight:700;color:#647580;margin-bottom:17px}.flystar-form label{display:block;font-size:11px;font-weight:600;color:#6c7b85;margin:0 0 14px}.flystar-form select{display:block;width:100%;height:34px;border:1px solid var(--line);border-radius:5px;background:#fff;color:var(--ink);padding:0 8px;margin-top:6px;font:12px inherit;outline:0}.flystar-form select:focus{border-color:#8da9b8;box-shadow:0 0 0 2px #e7f0f4}.flystar-hint{font-size:10px;line-height:1.6;color:#89979e;padding:9px 9px;background:#f1f5f5;border-left:3px solid #b9cdd1;border-radius:3px;margin:3px 0 16px}.flystar-generate{width:100%;height:36px}.flystar-result{padding:24px 26px;min-width:0;display:flex;align-items:center;justify-content:center;background:#f5f8f8}.flystar-empty{display:flex;flex-direction:column;align-items:center;gap:7px;color:#8b999e;text-align:center}.flystar-empty svg{width:30px;height:30px;color:#b8c4c8}.flystar-empty strong{color:#697982;font-size:13px}.flystar-empty span{font-size:11px}.flystar-output{width:100%;display:flex;flex-direction:column;align-items:center;gap:17px}.flystar-output-head{text-align:center}.flystar-output-head h3{font-size:15px;color:var(--ink);margin:0 0 4px}.flystar-output-head p{font-size:11px;color:#7d8b92;margin:0}.flystar-grid{width:min(100%,510px);aspect-ratio:1;display:grid;grid-template-columns:repeat(3,1fr);border:2px solid #6a7f88;background:#dbe3e5;gap:1px;box-shadow:0 9px 25px rgba(31,64,76,.11)}.flystar-cell{min-width:0;min-height:0;background:#fffdf8;display:flex;flex-direction:column;justify-content:center;padding:10px 8px;position:relative}.flystar-cell.center{background:#f6f1e6}.flystar-cell:nth-child(2n){background:#f7faf9}.flystar-palace{position:absolute;left:9px;top:7px;font-size:10px;color:#8a969b}.flystar-direction{position:absolute;right:9px;top:7px;font-size:9px;color:#a2adb1}.flystar-stars{display:grid;grid-template-columns:repeat(3,1fr);gap:3px;align-items:end;margin-top:7px}.flystar-star{font-weight:700;text-align:center;font-size:10px}.flystar-star b{display:block;font-size:25px;line-height:1.05;margin-bottom:2px}.flystar-star.yun{color:#8b6331}.flystar-star.shan{color:#0f766e}.flystar-star.xiang{color:#b54332}.flystar-legend{display:flex;align-items:center;justify-content:center;gap:15px;color:#657680;font-size:10px}.flystar-legend span{display:inline-flex;align-items:center;gap:5px}.flystar-legend i{display:inline-block;width:8px;height:8px;border-radius:50%}.flystar-legend .yun-dot{background:#8b6331}.flystar-legend .shan-dot{background:#0f766e}.flystar-legend .xiang-dot{background:#b54332}.flystar-note{font-size:10px;color:#8a979c;text-align:center;max-width:510px}.flystar-modal .panel-collapse{padding:4px}.flystar-modal .panel-collapse svg{width:19px;height:19px}@media(max-width:720px){.flystar-modal{padding:8px}.flystar-dialog-body{grid-template-columns:1fr}.flystar-form{border-right:0;border-bottom:1px solid var(--line);padding:14px 16px}.flystar-form-title{margin-bottom:10px}.flystar-form label{display:inline-block;width:31%;vertical-align:top;margin-right:1.5%}.flystar-form label:nth-of-type(3){margin-right:0}.flystar-form select{height:32px}.flystar-hint{margin-top:3px}.flystar-generate{width:100%}.flystar-result{padding:18px 10px}.flystar-cell{padding:7px 4px}.flystar-star b{font-size:20px}.flystar-palace{left:6px;top:5px}.flystar-direction{right:6px;top:5px}}
/* External environment tools stay compact in the plan toolbar and remain identifiable by tooltip. */
.plan-tools{display:flex;align-items:center;gap:5px;min-width:0;flex-wrap:wrap}.environment-tool{color:#5b7767;border-color:#cddbd2}.environment-tool:hover,.environment-tool.active{color:#245a42;border-color:#8fb49e;background:#eff7f1}
.layer-item.hidden{opacity:.48}.layer-item.hidden .layer-name{text-decoration:line-through}.layer-item.floating{box-shadow:inset 2px 0 0 var(--amber)}.layer-visibility{width:25px;height:25px;display:grid;place-items:center;flex:none;border:0;border-radius:4px;background:transparent;color:#9aa8ae;cursor:pointer}.layer-visibility:hover{background:#e8eef0;color:var(--navy)}.layer-visibility svg{width:14px;height:14px}.layer-float{width:18px;height:18px;display:grid;place-items:center;flex:none;color:#b27d27}.layer-float svg{width:13px;height:13px}.floating-control button{width:100%;height:34px;border:1px solid #cbd8de;border-radius:5px;background:#f8fbfb;color:#536a74;font:600 12px inherit;cursor:pointer}.floating-control button:hover{border-color:#a8bbc4;background:#f0f5f6}.floating-control button.active{border-color:#c79a50;background:#fff8ea;color:#8b6331}
.knowledge-modal{display:none;position:fixed;inset:0;z-index:30;align-items:center;justify-content:center;padding:24px;background:rgba(15,28,37,.58);backdrop-filter:blur(4px)}
.knowledge-modal.open{display:flex}
.knowledge-dialog{display:flex;flex-direction:column;width:min(980px,100%);max-height:min(780px,calc(100vh - 48px));background:var(--paper);border:1px solid var(--line);box-shadow:0 24px 70px rgba(14,34,46,.28);border-radius:8px;overflow:hidden}
.knowledge-dialog-head{display:flex;align-items:flex-start;justify-content:space-between;gap:18px;padding:22px 24px 16px;border-bottom:1px solid var(--line);background:linear-gradient(180deg,#fbfcfa,#f7f9f6)}
.knowledge-dialog-head h2{margin:4px 0 0;font-size:24px;letter-spacing:0;color:var(--ink)}
.knowledge-dialog-body{display:flex;flex-direction:column;min-height:0;padding:18px 24px 20px;overflow:auto}
.knowledge-searchbar{display:flex;align-items:center;gap:10px;min-height:48px;padding:0 12px;border:1px solid var(--line);border-radius:6px;background:#fff;color:var(--muted)}
.knowledge-searchbar>svg{width:18px;height:18px;flex:0 0 auto}
.knowledge-searchbar input{width:100%;height:44px;border:0;outline:0;background:transparent;color:var(--ink);font:inherit;font-size:14px}
.knowledge-searchbar input::placeholder{color:#9aa6a3}
.knowledge-searchbar .outline-btn{width:34px;height:34px;min-width:34px;padding:0;justify-content:center}
.mobile-knowledge-tool{display:none}
.knowledge-topics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin:14px 0 2px}
.knowledge-topic{display:flex;flex-direction:column;align-items:flex-start;justify-content:flex-start;gap:4px;min-width:0;min-height:66px;padding:9px 10px;border:1px solid #dfe8e7;border-radius:6px;background:#f9fcfb;color:#526a73;font:inherit;text-align:left;cursor:pointer;transition:border-color .16s ease,background .16s ease,box-shadow .16s ease}
.knowledge-topic:hover,.knowledge-topic:focus-visible{border-color:#8eb8ad;background:#eef8f4;box-shadow:0 6px 16px rgba(21,54,63,.07);outline:2px solid transparent}
.knowledge-topic.active{border-color:#2f897b;background:#e8f4f1;color:#135d55}
.knowledge-topic strong{max-width:100%;color:var(--ink);font-size:12px;line-height:1.3;overflow-wrap:anywhere}
.knowledge-topic span{display:-webkit-box;max-width:100%;overflow:hidden;color:#6f8087;font-size:10px;line-height:1.4;overflow-wrap:anywhere;-webkit-box-orient:vertical;-webkit-line-clamp:2}
.knowledge-controls{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:14px 0 12px}
.knowledge-categories{display:flex;align-items:center;gap:7px;min-width:0;overflow:auto;padding-bottom:2px;scrollbar-width:thin}
.knowledge-category-btn{flex:0 0 auto;height:30px;padding:0 11px;border:1px solid var(--line);border-radius:5px;background:#fff;color:var(--muted);font:inherit;font-size:12px;cursor:pointer;transition:.16s ease}
.knowledge-category-btn:hover{border-color:var(--teal);color:var(--teal)}
.knowledge-category-btn.active{border-color:var(--teal);background:#e8f4f1;color:var(--teal);font-weight:650}
.knowledge-count{flex:0 0 auto;color:var(--muted);font-size:12px;white-space:nowrap}
.knowledge-results{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;min-height:160px}
.knowledge-result-card{display:flex;flex-direction:column;min-height:174px;padding:15px 16px 13px;border:1px solid #e7ecef;border-radius:6px;background:#fff;cursor:pointer;transition:border-color .16s ease,box-shadow .16s ease,transform .16s ease}
.knowledge-result-card:hover,.knowledge-result-card:focus-visible{border-color:#a8c6be;box-shadow:0 10px 24px rgba(21,54,63,.08);transform:translateY(-1px);outline:0}
.knowledge-result-head,.knowledge-result-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;color:var(--muted);font-size:11px}
.knowledge-result-category{color:var(--teal);font-weight:650}
.knowledge-page-number{color:var(--muted)}
.knowledge-result-card h3{margin:10px 0 7px;color:var(--ink);font-size:14px;line-height:1.4;letter-spacing:0}
.knowledge-result-card p{display:-webkit-box;flex:1;margin:0;color:#52616a;font-size:12px;line-height:1.7;overflow:hidden;-webkit-box-orient:vertical;-webkit-line-clamp:4}
.knowledge-result-foot{justify-content:flex-start;margin-top:12px;padding-top:10px;border-top:1px solid #edf0ed}
.knowledge-result-foot span{display:inline-flex;align-items:center;gap:4px}
.knowledge-result-foot svg{width:13px;height:13px}
.knowledge-note{margin-top:14px;padding:10px 12px;border-left:3px solid var(--amber);background:#fffaf0;color:#7a6a4b;font-size:11px;line-height:1.6}
.knowledge-empty{grid-column:1/-1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:7px;min-height:190px;border:1px dashed var(--line);color:var(--muted);text-align:center}
.knowledge-empty svg{width:26px;height:26px;color:var(--teal)}
.knowledge-empty strong{color:var(--ink);font-size:14px}
.knowledge-empty span{font-size:12px}
.knowledge-reader-modal{display:none;position:fixed;inset:0;z-index:31;align-items:center;justify-content:center;padding:24px;background:rgba(15,28,37,.66);backdrop-filter:blur(4px)}
.knowledge-reader-modal.open{display:flex}
.knowledge-reader-dialog{display:flex;flex-direction:column;width:min(920px,100%);max-height:min(84vh,calc(100vh - 48px));background:var(--paper);border:1px solid var(--line);box-shadow:0 28px 72px rgba(14,34,46,.3);border-radius:8px;overflow:hidden}
.knowledge-reader-head{display:flex;align-items:flex-start;justify-content:space-between;gap:18px;padding:22px 24px 14px;border-bottom:1px solid var(--line);background:linear-gradient(180deg,#fbfcfa,#f7f9f6)}
.knowledge-reader-head h2{margin:4px 0 0;font-size:22px;line-height:1.2;letter-spacing:0;color:var(--ink)}
.knowledge-reader-meta{display:flex;align-items:center;gap:8px;flex-wrap:wrap;padding:14px 24px 0;color:var(--muted);font-size:11px}
.knowledge-reader-chip{display:inline-flex;align-items:center;gap:4px;min-height:24px;padding:0 8px;border:1px solid #d7e0e5;border-radius:999px;background:#fff;color:#60717d}
.knowledge-reader-body{flex:1;min-height:0;overflow:auto;padding:16px 24px 24px}
.knowledge-reader-text{white-space:pre-wrap;overflow-wrap:anywhere;word-break:break-word;color:#31414e;font-size:13px;line-height:1.9}
@media (max-width:860px){.knowledge-topics{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media (max-width:760px){.knowledge-modal{padding:10px}.knowledge-dialog{max-height:calc(100vh - 20px)}.knowledge-dialog-head{padding:18px 16px 14px}.knowledge-dialog-head h2{font-size:20px}.knowledge-dialog-body{padding:14px 16px 16px}.knowledge-topics{grid-template-columns:repeat(2,minmax(0,1fr));gap:7px}.knowledge-topic{min-height:60px;padding:8px}.knowledge-controls{align-items:flex-start;flex-direction:column}.knowledge-count{align-self:flex-end}.knowledge-results{grid-template-columns:1fr}}
@media (max-width:420px){.knowledge-topics{grid-template-columns:1fr}.knowledge-topic{min-height:54px}.knowledge-topic span{-webkit-line-clamp:1}}
@media (max-width:760px){.knowledge-reader-modal{padding:10px}.knowledge-reader-dialog{max-height:calc(100vh - 20px)}.knowledge-reader-head{padding:18px 16px 12px}.knowledge-reader-head h2{font-size:18px}.knowledge-reader-meta{padding:12px 16px 0}.knowledge-reader-body{padding:14px 16px 18px}}
.canvas-scroll{min-width:0}
@media(max-width:720px){.canvas-scroll{justify-content:flex-start}}
.workspace{overflow:hidden}
@media(max-width:720px){
  .topbar{padding:0 8px;gap:8px}
  .brand-lockup{min-width:102px;gap:6px}
  .brand-name{font-size:12px}
  .document-title-wrap{min-width:0;max-width:none;flex:1}
  .top-actions{min-width:0;flex:0 0 auto;gap:2px}
  .top-actions #undoBtn,.top-actions #redoBtn,.top-actions #knowledgeBtn,.top-actions #helpBtn,.top-actions .action-divider{display:none}
  .top-actions .outline-btn,.top-actions .primary-btn{width:30px;min-width:30px;padding:0}
  .top-actions .account-btn{width:34px;min-width:34px;max-width:34px;padding:0 5px}
  .top-actions .account-btn em{display:none}
}
.help-button{min-width:104px;white-space:nowrap}
.help-button svg{width:16px;height:16px}
.tutorial-button span{display:inline}
.subscription-cta{height:34px;min-width:148px;max-width:190px;display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:0 7px 0 11px;border:1px solid #254b5b;border-radius:6px;background:#254b5b;color:#fff;font:600 11px "Segoe UI","Microsoft YaHei",sans-serif;letter-spacing:0;white-space:nowrap;cursor:pointer;transition:background .16s,border-color .16s,box-shadow .16s}
.subscription-cta[hidden]{display:none}
.subscription-cta:hover{border-color:#173b4a;background:#173b4a;box-shadow:0 4px 12px rgba(25,50,74,.14)}
.subscription-cta:focus-visible{outline:2px solid #d7a84d;outline-offset:2px}
.subscription-cta:disabled{cursor:wait;opacity:.65;box-shadow:none}
.subscription-cta svg{width:15px;height:15px;flex:0 0 15px;color:#f2c266}
.subscription-cta span{min-width:0;overflow:hidden;text-overflow:ellipsis}
.subscription-cta em{min-width:38px;height:20px;display:inline-flex;align-items:center;justify-content:center;padding:0 6px;border-radius:4px;background:#f4c66d;color:#4e3a12;font-size:9px;font-style:normal;font-weight:700}
.subscription-cta.unconfigured{border-color:#b4c0c5;background:#f6f8f8;color:#536873}
.subscription-cta.unconfigured:hover{border-color:#92a4ab;background:#edf2f3}
.subscription-cta.unconfigured svg{color:#7e9199}
.subscription-cta.unconfigured em{background:#dfe6e8;color:#5b6d75}
.subscription-cta.pro{border-color:#5a846d;background:#edf6f0;color:#346147}
.subscription-cta.pro svg{color:#4c7b60}
.subscription-cta.pro em{background:#d9ebdf;color:#346147}
@media(max-width:720px){.top-actions .subscription-cta{width:34px;min-width:34px;max-width:34px;padding:0}.top-actions .subscription-cta span,.top-actions .subscription-cta em{display:none}.top-actions .subscription-cta svg{width:16px;height:16px}}

.cloud-projects-modal{display:none;position:fixed;inset:0;z-index:38;align-items:center;justify-content:center;padding:16px;background:rgba(23,43,55,.48)}
.cloud-projects-modal.open{display:flex}
.cloud-projects-dialog{width:min(640px,100%);max-height:min(720px,calc(100% - 24px));overflow:hidden;border-radius:8px;background:#fff;box-shadow:0 24px 72px rgba(22,42,54,.28);display:flex;flex-direction:column}
.cloud-projects-head{height:68px;flex:0 0 68px;padding:15px 20px 10px;border-bottom:1px solid var(--line);display:flex;align-items:flex-start;justify-content:space-between}
.cloud-projects-head h2{margin:5px 0 0;font-size:19px;line-height:1;letter-spacing:0}
.cloud-projects-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:13px 20px;border-bottom:1px solid #e1e7e9;background:#f8fafb;color:#71838c;font-size:10px}
.cloud-projects-toolbar button{height:34px;flex:0 0 auto}
.cloud-projects-status{min-height:22px;padding:7px 20px 0;color:#a06a36;font-size:10px}
.cloud-projects-status[data-kind=success]{color:#2e684b}.cloud-projects-status[data-kind=info]{color:#6c7e87}.cloud-projects-status[data-kind=error]{color:#a54a39}
.cloud-projects-list{min-height:160px;overflow:auto;padding:8px 20px 18px}
.cloud-projects-item{display:flex;align-items:center;gap:11px;padding:12px 0;border-bottom:1px solid #edf1f2}
.cloud-projects-item:last-child{border-bottom:0}
.cloud-projects-item-icon{width:32px;height:32px;display:grid;place-items:center;flex:0 0 32px;border-radius:6px;background:#e8f1f4;color:#315866}
.cloud-projects-item-icon svg{width:17px;height:17px}
.cloud-projects-item-main{min-width:0;flex:1}
.cloud-projects-item-main strong,.cloud-projects-item-main small{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.cloud-projects-item-main strong{color:var(--ink);font-size:12px}.cloud-projects-item-main small{margin-top:3px;color:#84939a;font-size:9px}
.cloud-projects-item-actions{display:flex;align-items:center;gap:6px;flex:0 0 auto}
.cloud-projects-item-actions button{height:30px;padding:0 9px;font-size:10px}
.cloud-projects-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:7px;min-height:150px;color:#8b999e;text-align:center}
.cloud-projects-empty svg{width:28px;height:28px;color:#b8c4c8}.cloud-projects-empty strong{color:#697982;font-size:12px}.cloud-projects-empty span{font-size:10px}
@media(max-width:720px){
  .cloud-projects-modal{padding:8px}.cloud-projects-dialog{max-height:calc(100% - 16px)}
  .cloud-projects-head{padding-left:16px;padding-right:16px}.cloud-projects-toolbar{padding-left:16px;padding-right:16px}
  .cloud-projects-status{padding-left:16px;padding-right:16px}.cloud-projects-list{padding-left:16px;padding-right:16px}
  .cloud-projects-item-actions button span{display:none}.cloud-projects-item-actions button{width:31px;padding:0}
}

/* The editor owns the viewport; inspector sections scroll inside that bound. */
.app-shell{height:100vh;height:100dvh;min-height:0}
.inspector{min-height:0;transition:width .18s ease,min-width .18s ease,transform .18s ease}
.inspector-content{display:flex;min-height:0;flex:1;flex-direction:column}
.inspector-content[hidden]{display:none}
.inspector-content .inspector-body{min-height:0;flex:1}
.inspector-content .layers-section{min-height:140px;flex:0 1 42%}
.inspector-content .swatches{flex-wrap:wrap}
.inspector-collapse{display:grid;width:31px;height:31px;flex:0 0 31px;place-items:center;padding:0;border-radius:5px}
.inspector-collapse[hidden]{display:none}
.inspector.is-collapsed{width:0;min-width:0;overflow:hidden;border-left:0;box-shadow:none}
@media(max-width:720px){.app-shell{min-height:0}.tool-rail{min-height:0;overflow-y:auto;overscroll-behavior:contain;scrollbar-width:thin}.mobile-knowledge-tool{display:flex}}

/* Inspector controls keep a stable hit target and make hidden layers explicit. */
.inspector-collapse{width:36px;height:36px;flex-basis:36px}
.inspector-collapse:focus-visible,.layer-visibility:focus-visible,.inspector-hidden-note button:focus-visible{outline:2px solid var(--amber);outline-offset:2px}
.layer-visibility{width:32px;height:32px}
.layer-visibility svg{width:16px;height:16px}
.layer-item.hidden{opacity:1}
.layer-item.hidden .layer-icon,.layer-item.hidden .layer-name{opacity:.48}
.layer-item.hidden .layer-visibility{color:#a54a39;background:#f7e9e5}
.inspector-hidden-note{display:flex;align-items:center;gap:8px;min-height:38px;margin:0 0 16px;padding:7px 8px;border:1px solid #dfb8ae;border-radius:5px;background:#fff4f1;color:#8f4438;font-size:11px;font-weight:600}
.inspector-hidden-note>svg{width:15px;height:15px;flex:0 0 15px}
.inspector-hidden-note span{min-width:0;flex:1}
.inspector-hidden-note button{width:30px;height:30px;display:grid;place-items:center;flex:0 0 30px;padding:0;border:1px solid #d6a89d;border-radius:4px;background:#fff;color:#8f4438;cursor:pointer}
.inspector-hidden-note button:hover{background:#f9e1dc}
.inspector-hidden-note button svg{width:15px;height:15px}
.build-label{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;color:#6f918b}
@media(max-width:520px){.build-label{display:none}}