:root{--navy:#102f49;--ink:#21313f;--teal:#087e8b;--orange:#ef8354;--paper:#f4f7fa;--line:#dce5ec}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.55 Inter,system-ui,-apple-system,Segoe UI,sans-serif}button,textarea{font:inherit}header{height:76px;padding:0 28px;background:var(--navy);color:white;display:flex;align-items:center;gap:14px;box-shadow:0 8px 30px #102f4922}.brand{width:44px;height:44px;border:1px solid #ffffff55;border-radius:12px;display:grid;place-items:center;font:800 18px Times New Roman,Cambria,"Liberation Serif","Noto Serif","DejaVu Serif",serif;background:#ffffff12}h1{font:700 21px/1.1 Times New Roman,Cambria,"Liberation Serif","Noto Serif","DejaVu Serif",serif;margin:0}h1 span{color:#6fd1d8}header p{font-size:12px;margin:5px 0 0;color:#bbcedc;letter-spacing:.08em}.status{margin-left:auto;font-size:13px;color:#b8e8dd}.workspace{display:grid;grid-template-columns:minmax(330px,410px) 1fr;min-height:calc(100vh - 76px)}aside{padding:26px;background:#fff;border-right:1px solid var(--line);position:-webkit-sticky;position:sticky;top:0;height:calc(100vh - 76px);overflow:auto}.step{font-size:12px;font-weight:800;letter-spacing:.12em;color:var(--teal);margin-bottom:9px}textarea{width:100%;border:1px solid #cbd9e3;border-radius:10px;padding:12px;background:#fbfdff;resize:vertical;outline:none}textarea:focus{border-color:var(--teal);box-shadow:0 0 0 3px #087e8b18}.prompt{min-height:92px}.json{min-height:350px;font:13px/1.45 ui-monospace,SFMono-Regular,Consolas,monospace}button{width:100%;margin-top:10px;border:1px solid #b7c9d6;border-radius:9px;padding:11px 14px;background:#fff;color:var(--navy);font-weight:750;cursor:pointer}.primary{background:var(--teal);border-color:var(--teal);color:#fff}.primary:hover{background:#066b76}button:disabled{opacity:.6}.divider{height:1px;background:var(--line);margin:24px 0}.hint{font-size:13px;color:#657785}.preview{padding:34px clamp(24px,5vw,70px);max-width:1180px}.preview-head{display:flex;justify-content:space-between;gap:30px;align-items:end;border-bottom:3px solid var(--navy);padding-bottom:18px}.preview-head small{font-weight:800;letter-spacing:.14em;color:var(--teal)}h2{font:700 clamp(26px,4vw,40px)/1.15 Times New Roman,Cambria,"Liberation Serif","Noto Serif","DejaVu Serif",serif;margin:5px 0}.preview-head span{white-space:nowrap;font-weight:700;color:#597083}article{background:#fff;border:1px solid var(--line);border-radius:16px;margin:24px 0;padding:24px;box-shadow:0 12px 35px #19364d0a}h3{font:700 22px Times New Roman,Cambria,"Liberation Serif","Noto Serif","DejaVu Serif",serif;margin:0 0 12px;display:flex;gap:12px;align-items:center}h3 em{font:800 12px Inter;color:var(--orange);font-style:normal}.visual-grid{grid-gap:16px;gap:16px;margin-top:20px}.visual-card{border:1px solid var(--line);border-radius:13px;padding:17px;background:#fbfdff}.visual-card>label{display:block;font-size:11px;font-weight:850;letter-spacing:.12em;color:var(--teal);margin-bottom:14px}.graph{width:100%;min-width:450px;height:auto}.graph text{fill:#354a5a}.math-table{border:1.5px solid var(--navy)}.math-table .row{grid-template-columns:72px repeat(4,1fr)}.trend{display:flex;align-items:center;justify-content:center;gap:8px}.trend span{font-size:22px;color:var(--orange)}.sign .row{grid-template-columns:72px repeat(5,1fr)}@media(max-width:900px){header{padding:0 16px}.status{display:none}.workspace{display:block}aside{position:relative;height:auto;border-right:0;border-bottom:1px solid var(--line)}.preview{padding:24px 16px}.visual-grid{grid-template-columns:1fr}.preview-head{align-items:start;flex-direction:column}.preview-head span{white-space:normal}}.key-panel{border:1px solid var(--line);border-radius:12px;margin-bottom:24px;background:#f8fbfd;overflow:hidden}.advanced>summary,.key-panel>summary{cursor:pointer;font-weight:800;color:var(--navy);padding:13px 15px}.advanced summary small,.key-panel summary small{font-weight:400;color:#718391}.key-body{padding:0 15px 15px}.key-body ol{padding-left:21px;font-size:13px}.key-body a{color:var(--teal);font-weight:800}.field-label{display:block;font-size:13px;font-weight:800;margin:11px 0 6px}.key-row,.model-row{gap:8px}.key-row input{min-width:0;border:1px solid #cbd9e3;border-radius:9px;padding:10px}.key-row button,.model-row button{white-space:nowrap}.key-body select{width:100%;border:1px solid #cbd9e3;border-radius:9px;padding:10px;background:#fff}.model-status,.privacy{font-size:12px;color:#657785}.advanced{border:1px solid var(--line);border-radius:10px;background:white}.advanced>summary{padding:10px 12px}.advanced .field-label,.advanced .model-row,.advanced .model-status{margin-left:12px;margin-right:12px}.model-row select{flex:1 1;min-width:0}.model-status{margin-bottom:12px}@media(max-width:520px){.key-row{display:grid;grid-template-columns:1fr 1fr}.key-row input{grid-column:1/-1}.model-row{display:block}.model-row button{width:100%;margin-top:8px}}.variation-svg{display:block;width:100%;min-width:560px;height:auto;background:#fff}.variation-svg text{font-family:Times New Roman,Cambria,serif;fill:#182735}.variation-svg .bbt-label{font-size:22px;font-style:italic;font-weight:700;text-anchor:middle}.variation-svg .bbt-text{font-size:20px;text-anchor:middle}.variation-svg .bbt-sign{font:24px Arial,sans-serif;text-anchor:middle}.variation-svg .bbt-value{font-size:21px;text-anchor:middle}.variation-svg .bbt-caption{font-style:italic;font-weight:700;text-anchor:start;fill:#17324d}.visual-card.variation_table{grid-column:1/-1}.upload-box{display:grid;grid-gap:3px;gap:3px;border:1.5px dashed #93adbd;border-radius:11px;padding:16px;text-align:center;background:#f8fbfd;cursor:pointer}.upload-box input{position:absolute;opacity:0;pointer-events:none}.upload-box b{color:var(--teal)}.upload-box span{font-size:12px;color:#657785}.source-item{display:flex;align-items:center;gap:8px;margin-top:8px;padding:9px 10px;border:1px solid var(--line);border-radius:9px;background:#fff}.source-item span{display:grid;min-width:0;flex:1 1}.source-item b{font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.source-item small{font-size:11px;color:#657785}.source-item button{width:30px;height:30px;margin:0;padding:0}.space{margin-top:22px}.audit-box{margin-top:10px;border:1px solid var(--line);padding:7px;background:#fff}.audit-box p{font-size:12px;margin:4px;padding:7px;border-radius:6px}.audit-box .warning{color:#785c00;background:#fff8dc}.audit-box .ok{color:#17613e;background:#eaf8f0}.export-bar{display:flex;justify-content:flex-end;gap:8px;margin-bottom:12px;position:-webkit-sticky;position:sticky;top:8px;z-index:5}.export-bar button{width:auto;margin:0;background:var(--navy);color:#fff;border-color:var(--navy);box-shadow:0 5px 16px #102f4933}.export-bar button:first-child{background:var(--orange);border-color:var(--orange)}body{background:#eef5f9;color:#0e2d47;font-size:14px}.app-shell{min-height:100vh}.topbar{height:66px;padding:0 32px;background:#143a5d;border-top:2px solid #d8d2af;display:flex;align-items:center;color:#fff;box-shadow:0 4px 16px #16354d22}.top-logo{width:36px;height:36px;border-radius:9px;border:1px solid #6dd1dd;background:linear-gradient(145deg,#195679,#0a344f);display:grid;place-items:center;font:700 20px Times New Roman,Cambria,"Liberation Serif","Noto Serif","DejaVu Serif",serif}.topbar h1{font:800 16px/1.1 Arial;margin:0;letter-spacing:.02em}.topbar p{font-size:10px;color:#bde6ef;margin:3px 0}.theme-button{margin-left:auto;width:32px;height:32px;padding:0;border-color:#ffffff44;background:#ffffff08;color:#fff}.studio-grid{max-width:1160px;margin:18px auto;display:grid;grid-template-columns:minmax(460px,.9fr) minmax(540px,1.1fr);grid-gap:16px;gap:16px;align-items:start}.panel{background:#fff;border:1px solid #cedde7;border-radius:15px;box-shadow:0 10px 28px #173c5712;overflow:hidden}.panel-title,.section-title{height:50px;padding:0 18px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #d4e0e8}.panel-title b,.section-title b{display:flex;align-items:center;gap:9px;font-size:15px}.panel-title i,.section-title i{font-style:normal;font-size:10px;background:#143a5d;color:#fff;padding:4px 6px;border-radius:5px}.panel-title>button{width:auto;margin:0;padding:5px;border:0;color:#087eab;background:transparent;font-size:12px}.section-title{height:42px;border-top:1px solid #d4e0e8}.section-title small{font-size:10px;color:#78909e;border:1px solid #e2e8ec;border-radius:12px;padding:3px 7px}.form-body{padding:14px 18px}.form-body label{display:grid;grid-gap:5px;gap:5px;margin-bottom:10px;font-size:11px;font-weight:750;color:#173753}.form-body input,.form-body select,.form-body textarea,.json-editor textarea{width:100%;border:1px solid #bdced9;border-radius:7px;background:#fbfdff;padding:9px 10px;font:12px Arial;color:#18354c;outline:none}.form-body input:focus,.form-body select:focus,.form-body textarea:focus{border-color:#278daf;box-shadow:0 0 0 3px #278daf14}.two{display:grid;grid-template-columns:1fr 1fr;grid-gap:10px;gap:10px}.option-box{padding:10px;margin-bottom:10px;border:1px solid #bfd0da;border-radius:9px;background:#f8fbfd}.option-box label{margin:0}.drop-zone{min-height:88px!important;border:1.5px dashed #269ac1!important;border-radius:8px!important;display:flex!important;flex-direction:column;align-items:center;justify-content:center;gap:2px!important;text-align:center;cursor:pointer;background:#f6fbfe}.drop-zone input{position:absolute;opacity:0;width:1px}.drop-zone strong{font-size:20px;color:#02a1c6}.drop-zone span{font-size:9px;font-weight:400;color:#6d8391}.privacy-check{display:flex!important;grid-template-columns:16px 1fr!important;align-items:start!important;padding:9px;border:1px solid #edbd64;border-radius:7px;background:#fff8e9;line-height:1.4}.privacy-check input{width:14px;height:14px}.privacy-note{font-size:9px;color:#7c6542;margin:0 0 8px}.api-panel{border:1px solid #bdced9;border-radius:9px;overflow:hidden}.api-panel>summary{padding:11px;font-weight:800;cursor:pointer}.api-panel summary small{font-weight:400;color:#81909b}.api-body{padding:0 12px 12px;border-top:1px solid #d7e2e9}.api-body ol{font-size:10px;padding-left:18px}.api-body a{color:#087eab;font-weight:800}.key-row,.model-row{display:flex;gap:6px}.key-row input{flex:1 1}.key-row button,.model-row button{width:auto;margin:0;padding:8px 12px}.advanced{margin-top:10px}.advanced>summary{font-size:11px}.advanced p{font-size:9px;color:#6c7f8b}.generate{background:#087e8b;color:white;border-color:#087e8b;font-weight:800;margin-top:13px}.result-panel{min-height:calc(100vh - 102px)}.result-title{position:-webkit-sticky;position:sticky;top:0;background:#fff;z-index:4}.result-actions{display:flex;gap:5px}.result-actions button{width:auto;margin:0;padding:6px 9px;font-size:10px}.empty-state{height:calc(100vh - 153px);min-height:560px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;color:#25465e}.paper-icon{position:relative;width:76px;height:92px;margin-bottom:25px}.paper-icon span{position:absolute;inset:0;border:1px solid #79a3ba;border-radius:7px;background:#fff;box-shadow:0 4px 10px #173c5710}.paper-icon span:first-child{transform:rotate(-4deg)}.paper-icon span:nth-child(2){transform:rotate(4deg)}.paper-icon span:nth-child(3){transform:none}.empty-state h2{font:800 18px Arial;margin:0 0 16px}.empty-state p{max-width:410px;color:#6d8493;font-size:12px}.empty-state>div:last-child{display:grid;grid-template-columns:1fr 1fr;grid-gap:7px 26px;gap:7px 26px;margin-top:12px;color:#168b75;font-size:10px}.document{padding:22px}.doc-head{border-bottom:3px solid #143a5d;padding-bottom:14px}.doc-head h2{font:700 30px Times New Roman,Cambria,"Liberation Serif","Noto Serif","DejaVu Serif",serif;margin:4px 0}.doc-head small{color:#087e8b;font-weight:800}.document article{padding:18px;margin:16px 0}.json-editor{margin:20px 0;border:1px solid #d0dde6;border-radius:8px;padding:12px}.bottom-status{position:fixed;bottom:12px;left:50%;transform:translateX(-50%);background:#143a5d;color:#fff;padding:7px 14px;border-radius:20px;font-size:11px;box-shadow:0 5px 20px #143a5d44;z-index:10}@media(max-width:1020px){.studio-grid{margin:12px;grid-template-columns:1fr}.result-panel{min-height:650px}.empty-state{height:600px}}@media(max-width:600px){.topbar{padding:0 14px}.studio-grid{margin:8px}.two{grid-template-columns:1fr}.panel{border-radius:10px}.result-actions{flex-wrap:wrap;justify-content:flex-end}.panel-title{height:auto;min-height:48px}.document{padding:12px}.empty-state>div:last-child{grid-template-columns:1fr}}body,html{min-height:100%;background:#fff}.v9-app{min-height:100vh;border-top:4px solid #31434b;color:#1d2737;font:12px/1.45 Arial,sans-serif}.v9-sidebar{position:fixed;inset:4px auto 0 0;width:238px;padding:62px 31px 70px;background:#f1f5f8;overflow:auto;border-right:1px solid #edf1f4;z-index:3}.v9-sidebar section{display:grid;grid-gap:3px;gap:3px;margin-bottom:28px}.v9-sidebar small{font-size:10px;margin-bottom:5px}.v9-sidebar .radio{display:flex;align-items:center;font-size:10px;margin:0;gap:4px}.v9-sidebar .radio input{width:13px;height:13px;margin:0}.v9-sidebar .disabled{color:#344350}.v9-sidebar h3{font:700 14px Arial;margin:0 0 17px}.v9-sidebar>label{display:grid;font-size:10px;margin:0 0 12px;grid-gap:5px;gap:5px}.v9-sidebar input,.v9-sidebar select{width:100%;height:34px;padding:0 10px;border:0;border-radius:7px;background:#fff;color:#25384a;font-size:10px;box-shadow:none}.v9-sidebar label b{font-size:9px;text-align:center;color:#ff4b4b}.v9-sidebar .range{height:18px;padding:0;accent-color:#ff4b4b;background:transparent}.v9-sidebar .check{display:flex;align-items:center;gap:7px}.v9-sidebar .check input{width:13px;height:13px;accent-color:#ff4b4b}.key-box{border-top:1px solid #aebbc5;margin-top:40px;padding-top:24px}.key-box label{display:grid;grid-gap:7px;gap:7px;font-size:10px}.key-box>div{display:grid;grid-template-columns:1fr 38px;grid-gap:5px;gap:5px;margin-top:6px}.key-box button{height:34px;margin:0;padding:0;border:0;border-radius:6px;background:#fff;font-size:9px}.v9-main{min-height:100vh;margin-left:238px;padding:51px max(28px,calc((100vw - 1140px)/2)) 80px;background:#fff}.v9-main>header{display:flex;align-items:flex-start;gap:14px;height:auto;padding:0;background:transparent;color:#1d2737;box-shadow:none}.triangle{font-size:33px;line-height:1;color:#ffb000}.v9-main h1{font:700 29px/1.15 Arial;margin:0;color:#1d2737}.v9-main header p{margin:12px 0 0;font-size:10px;color:#a0a8af;letter-spacing:0}.start-screen{max-width:870px;margin-top:28px}.start-screen h2{font:700 21px/1.2 Times New Roman,Cambria,"Liberation Serif","Noto Serif","DejaVu Serif",serif;margin:24px 0 12px;color:#1d2737}.start-screen>p{font-size:10px;color:#64717c;margin:0 0 10px}.upload{height:54px;border:0;border-radius:6px;background:#eef1f4;display:flex;align-items:center;padding:0 13px;gap:14px;cursor:pointer}.upload input{position:absolute;opacity:0;pointer-events:none}.upload span{background:#fff;border:1px solid #d9e0e5;border-radius:5px;padding:8px 13px;color:#263746;font-size:10px}.upload small{color:#93a0ab;font-size:10px}.file-list{display:flex;gap:7px;flex-wrap:wrap;margin:8px 0}.file-list span{background:#eaf8f3;color:#13735f;padding:4px 7px;border-radius:4px}.start-screen .hint{font-size:9px;color:#83909a;margin:12px 0}.start-screen textarea{min-height:58px;margin-top:12px;border:1px solid #d9e1e7;border-radius:6px;font-size:11px}.create{height:34px;margin-top:14px;border:0;border-radius:7px;background:#ff4b4b;color:#fff;font-size:10px;font-weight:700}.deck-preview{max-width:1050px;margin-top:28px}.preview-toolbar{position:-webkit-sticky;position:sticky;top:0;z-index:2;display:flex;align-items:center;justify-content:space-between;background:#fffffff2;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);padding:14px 0;border-bottom:1px solid #dde5eb}.preview-toolbar small{font-size:9px;color:#168395;font-weight:800;letter-spacing:.12em}.preview-toolbar h2{font:700 24px Times New Roman,Cambria,"Liberation Serif","Noto Serif","DejaVu Serif",serif;margin:3px 0}.preview-toolbar button{width:auto;margin:0;border:0;border-radius:7px;background:#ff4b4b;color:#fff;padding:11px 18px;font-size:11px}.deck-preview article{border:1px solid #dce5ec;border-radius:12px;box-shadow:none;padding:22px;margin:18px 0;background:#fff}.deck-preview article h3{font:700 20px Times New Roman,Cambria,"Liberation Serif","Noto Serif","DejaVu Serif",serif;margin:0 0 12px}.deck-preview article h3 em{color:#ff5a5f;font:800 11px Arial}.deck-preview article>p{font-size:14px;color:#35495a}.visual-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:14px;gap:14px}.visual-card{border:1px solid #dce5ec;border-radius:8px;padding:14px;background:#fff;overflow:auto}.graph,.variation-svg{width:100%;height:auto}.v9-status{position:fixed;left:250px;bottom:10px;background:#173c57;color:#fff;border-radius:20px;padding:7px 14px;font-size:10px;z-index:5}.audit-box{margin:10px 0}.audit-box .error{background:#fff0f0;color:#9f2525;padding:7px}.math.display{display:block;text-align:center;font-size:1.15rem}.math-table{min-width:480px;border:1.5px solid #17324d;background:#fff}.math-table .row{display:grid;grid-template-columns:72px repeat(5,1fr);min-height:52px;border-bottom:1px solid #b7c9d6;align-items:center;text-align:center}.math-table .row:last-child{border-bottom:0}.math-table b{height:100%;display:grid;place-items:center;background:#edf4f7;border-right:1px solid #b7c9d6}@media(max-width:820px){.v9-sidebar{position:static;width:100%;padding:24px}.v9-main{margin:0;padding:28px 18px}.visual-grid{grid-template-columns:1fr}.v9-status{left:12px}.v9-main h1{font-size:23px}}.export-actions{display:flex;gap:8px;flex-shrink:0}.preview-toolbar .export-actions button.trial{background:#168395}.audit-box{border:1px solid #f1c9c9;border-radius:9px;padding:12px;background:#fffafa}.audit-box .repair{width:auto;margin:4px 0 0;border:0;border-radius:6px;background:#168395;color:#fff;padding:8px 12px;font-size:10px}@media(max-width:820px){.preview-toolbar{align-items:flex-start;flex-direction:column}.export-actions{flex-wrap:wrap}}.deck-preview{max-width:1280px}.title-edit{width:min(650px,60vw);font:700 24px Times New Roman,Cambria,"Liberation Serif","Noto Serif","DejaVu Serif",serif;border:1px solid #94b9cf;border-radius:7px;padding:7px}.quality-summary{display:flex;gap:10px;align-items:center;padding:10px 0 14px}.quality-summary span{border:1px solid #dce5ec;border-radius:999px;padding:6px 10px;font-size:11px;background:#f7fafc}.quality-summary .bad{color:#a32929;background:#fff0f0;border-color:#f1c5c5}.quality-summary .good{color:#14715c;background:#eaf8f3;border-color:#b8e6d8}.editor-grid{display:grid;grid-template-columns:230px minmax(440px,1fr) 270px;grid-gap:14px;gap:14px;align-items:start}.repair-panel,.slide-list{border:1px solid #dce5ec;border-radius:10px;background:#f6f9fb;padding:12px;max-height:650px;overflow:auto}.repair-panel h3,.slide-list h3{font:700 15px Arial;margin:0 0 10px}.slide-list>button{width:100%;margin:0 0 7px;padding:9px;display:grid;grid-template-columns:28px 1fr auto;grid-gap:7px;gap:7px;align-items:center;text-align:left;border:1px solid #dce5ec;border-radius:7px;background:#fff}.slide-list>button.selected{border:2px solid #168395;background:#eef9fa}.slide-list button b{color:#ff4b4b}.slide-list button span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:11px}.slide-list button i{font-style:normal;font-size:9px;border-radius:999px;padding:3px 5px}.slide-list .pass{color:#14715c;background:#dff5ec}.slide-list .issue{color:#a32929;background:#ffe5e5}.slide-canvas{min-width:0}.canvas-toolbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px;color:#667786}.canvas-toolbar button{width:auto;margin:0;padding:7px 11px;border:0;background:#173c57;color:#fff;font-size:10px}.slide-canvas article{aspect-ratio:16/9;margin:0;padding:24px;overflow:auto;border:1px solid #cad8e2;border-radius:8px;box-shadow:0 12px 28px #19364d12}.slide-canvas article>label{display:grid;grid-gap:6px;gap:6px;margin-bottom:13px;font-weight:700}.slide-canvas article input,.slide-canvas article textarea{border:1px solid #aac0cf;border-radius:7px;padding:10px;font:14px Arial}.visual-label{display:block;font-size:9px;font-weight:800;color:#168395;margin-bottom:8px}.issue-card{border-left:4px solid #ef4b4b;background:#fff;padding:9px;margin-bottom:8px}.issue-card b{font-size:10px;color:#a32929}.issue-card p{margin:4px 0;font-size:12px}.issue-card small{color:#657785}.repair-panel .repair{width:100%;margin:8px 0;background:#168395;color:#fff;border:0;font-size:10px}.all-good{border-left:4px solid #17a67d;background:#eaf8f3;padding:10px}.all-good b{color:#14715c}.all-good p{margin:5px 0}.help-box{margin-top:14px;padding-top:12px;border-top:1px solid #dce5ec}.help-box ol{padding-left:18px;font-size:11px;color:#536676}.empty-slides{display:grid;grid-gap:9px;gap:9px;padding:12px;background:#fff;border:1px dashed #b7c9d6}.empty-slides span{font-size:11px;color:#657785}.empty-slides button{margin:0;background:#168395;color:#fff;border:0;font-size:10px}.no-current{min-height:360px;display:grid;place-items:center;border:1px dashed #b7c9d6;color:#657785}.export-staging{position:fixed;left:-12000px;top:0;width:1000px;background:#fff;z-index:-1}.export-staging article{width:960px}@media(max-width:1180px){.editor-grid{grid-template-columns:190px 1fr}.repair-panel{grid-column:1/-1;max-height:none}}@media(max-width:760px){.editor-grid{grid-template-columns:1fr}.slide-list{max-height:220px}.quality-summary{flex-wrap:wrap}.slide-canvas article{aspect-ratio:auto;min-height:420px}}.export-staging .graph,.export-staging .sign-svg,.export-staging .stat-svg,.export-staging .variation-svg{width:100%;max-width:none;min-width:0}.key-box .provider-key-row{grid-template-columns:minmax(0,1fr) 42px 38px}.key-box .provider-key-row input{min-width:0}.provider-key-help a{color:#087eab;font-weight:700;text-decoration:none}.provider-key-help a:hover{text-decoration:underline}.v9-sidebar{width:288px;padding:40px 24px 70px}.key-box label,.v9-sidebar .radio,.v9-sidebar input,.v9-sidebar select,.v9-sidebar small,.v9-sidebar>label{font-size:13px}.v9-sidebar input,.v9-sidebar select{height:38px}.v9-sidebar h3{font-size:16px}.v9-main{margin-left:288px}.v9-app{font-size:14px}.start-screen .hint,.start-screen>p,.upload small,.upload span{font-size:13px}.start-screen textarea{font-size:14px;min-height:84px}.create{height:42px;font-size:14px}.theme-hint{margin:-6px 0 14px;font-size:12px;color:#6b7785;line-height:1.4}.key-note{font-size:11px;color:#79868f;margin:8px 0 0;line-height:1.4}.start-actions{display:flex;gap:10px;align-items:center}.stop{height:42px;margin-top:14px;padding:0 18px;border:0;border-radius:7px;background:#37474f;color:#fff;font-size:13px;font-weight:700;cursor:pointer}.quality-summary .warn{background:#fff6e5;color:#8a5a00}.quality-summary .tipcount{background:#eef2ff;color:#3730a3}.slide-list button span em{display:block;font-style:normal;font-size:11px;margin-top:3px;font-weight:600}.canvas-tools{display:flex;gap:6px}.canvas-tools button{width:auto;margin:0;padding:6px 11px;font-size:12px}.edit-form{display:grid;grid-gap:14px;gap:14px}.edit-form label{display:grid;grid-gap:6px;gap:6px;font-size:12px;font-weight:600;color:#4a5b6b}.edit-form input,.edit-form select,.edit-form textarea{font:14px/1.5 inherit;padding:9px 11px;border:1px solid #d9e1e7;border-radius:7px;background:#fff}.edit-row{display:grid;grid-template-columns:2fr 1fr 1fr;grid-gap:12px;gap:12px}.questions{margin:12px 0 0;padding-left:20px;color:#3c4d5c}.questions li{margin:5px 0}.visual-label{display:flex;align-items:center;gap:8px}.visual-label .mini{width:auto;margin:0;padding:3px 8px;font-size:10px;font-weight:700;border:1px solid #c9d6e0;border-radius:5px;background:#fff;color:#37506a;cursor:pointer}.visual-label .mini.danger{color:#b91c1c;border-color:#f0c9c9}.visual-editor{margin-top:18px;border:1px solid #cbd9e3;border-radius:10px;padding:14px;background:#f8fbfd}.visual-editor b{display:block;margin-bottom:8px;font-size:13px}.visual-editor textarea{width:100%;font:12px/1.5 ui-monospace,SFMono-Regular,Consolas,monospace;border:1px solid #d9e1e7;border-radius:7px;padding:10px;background:#fff}.visual-editor>div{display:flex;gap:8px;margin-top:8px}.visual-editor button{width:auto;margin:0;padding:7px 14px;font-size:12px}.notes-preview{margin-top:18px;border-left:4px solid #f2a541;background:#fffaf0;padding:12px 16px;border-radius:0 8px 8px 0}.notes-preview b{font-size:12px;letter-spacing:.06em;color:#8a5a00}.notes-preview p{margin:6px 0 0;font-size:14px;color:#4a3c22}.issue-card.error{border-left:4px solid #b91c1c;background:#fff5f5}.issue-card.warning{border-left:4px solid #b45309;background:#fffaf0}.issue-card.tip{border-left:4px solid #1d4ed8;background:#f5f8ff}.issue-card b{font-size:11px;letter-spacing:.05em}.issue-card p{font-size:13px;margin:6px 0 0}.issue-card small{display:block;margin-top:6px;font-size:12px;color:#5b6b7b}.repair-note{font-size:11.5px;line-height:1.5;color:#64717c;margin-top:12px}.repair-note code{background:#eef2f6;padding:1px 4px;border-radius:3px}.formula-block{text-align:center}.formula-block.highlight{background:#fffbe6;border:1px solid #f2d16b;border-radius:10px;padding:14px}.visual-caption{display:block;margin-top:10px;font-size:12px;color:#6b7785;font-style:italic}.circle-svg text,.numline-svg text,.oxyz-svg text,.region-svg text,.sign-svg text,.solid-svg text,.stat-svg text,.tree-svg text,.vector-svg text,.venn-svg text{font-family:Times New Roman,Cambria,serif;fill:#182735}.chart-title{font:700 1.12em Arial,sans-serif;fill:#17283a}.chart-tick{font:1em Arial,sans-serif;fill:#46586a}.chart-axis{font:italic 700 1.06em Times New Roman,serif;fill:#263746}.chart-value{font:700 1em Arial,sans-serif;fill:#37506a}.chart-slice{font:700 1.06em Arial,sans-serif;fill:#ffffff}.chart-legend text{font:1em Arial,sans-serif;fill:#37506a}.tree-node{font:600 1.02em Arial,sans-serif;fill:#17283a}.tree-prob{font:italic 1em Times New Roman,serif;fill:#6b4f00}.circle-label{font:600 1.06em Times New Roman,serif}.solid-label{font:italic 700 1.12em Times New Roman,serif;fill:#17283a}.graph text,.graph-tick,.graph-tick text{font-family:Arial,sans-serif;fill:#46586a}.graph-point-label{font-weight:600;fill:#17283a}.graph-legend text{fill:#37506a}.graph-error{font-weight:600;fill:#b91c1c}.axis-name{font-style:italic;font-weight:700;font-family:Times New Roman,serif;fill:#263746}.visual-caption-svg{font:italic 1em Times New Roman,serif;fill:#6b7785}.svg-halo{paint-order:stroke;stroke:#ffffff;stroke-width:6px;stroke-linejoin:round}.sign-svg{display:block;width:100%;min-width:0;height:auto}.circle-svg,.numline-svg,.oxyz-svg,.region-svg,.solid-svg,.stat-svg,.tree-svg,.vector-svg,.venn-svg{display:block;width:100%;height:auto;background:#fff}.visual-card.data_table,.visual-card.quiz,.visual-card.sign_chart,.visual-card.variation_table{grid-column:1/-1}.data-table{width:100%;border-collapse:collapse;font-size:14px}.data-table td,.data-table th{border:1px solid #cfdae3;padding:8px 12px;text-align:center}.data-table th{background:#eef4f8;font-weight:700}.data-table tr.hl{background:#fff8e1}.quiz-card{padding:4px}.quiz-question{font-size:17px;font-weight:600;margin:0 0 14px;color:#17283a}.quiz-options{display:grid;grid-gap:9px;gap:9px}.quiz-option{display:flex;align-items:flex-start;gap:11px;width:100%;margin:0;text-align:left;padding:12px 14px;border:1px solid #d9e1e7;border-radius:10px;background:#fff;font:15px/1.45 inherit;cursor:pointer;transition:background .15s,border-color .15s}.quiz-option:hover{border-color:#9fb6c6}.quiz-option b{flex:0 0 22px;height:22px;border-radius:50%;background:#eef4f8;color:#37506a;display:grid;place-items:center;font-size:12px}.quiz-option.correct{background:#e9f8f1;border-color:#0e8a72}.quiz-option.correct b{background:#0e8a72;color:#fff}.quiz-option.wrong{background:#fdeeee;border-color:#b91c1c}.quiz-option.wrong b{background:#b91c1c;color:#fff}.quiz-option.dim{opacity:.55}.quiz-explain{margin:14px 0 0;padding:11px 14px;background:#f5f8ff;border-radius:8px;font-size:14px;color:#1e3a8a}.quiz-timer{display:block;margin-top:10px;font-size:12px;color:#6b7785}@media print{.canvas-toolbar,.library-panel,.preview-toolbar,.quality-summary,.repair-panel,.v9-sidebar{display:none!important}.v9-main{margin:0;padding:0}.editor-grid{display:block}}.export-actions button.newlesson{background:#2e7d32}.export-actions button.newlesson:hover{background:#1b5e20}.export-actions button.library-btn{background:#4a5b6b}.export-actions button.library-btn:hover{background:#37474f}.export-actions button.library-btn.on{background:#102f49;box-shadow:inset 0 0 0 2px #f2a541}.library-panel{margin:14px 0 0;padding:14px 16px;border:1px solid #d5e0e8;border-radius:10px;background:#f8fbfd}.library-head{display:flex;align-items:center;justify-content:space-between;gap:12px}.library-head b{font-size:14px}.library-head .ghost{width:auto;margin:0;padding:6px 12px;border:1px solid #c3d2dd;border-radius:6px;background:#fff;color:#44586a;font-size:12px;font-weight:600;cursor:pointer}.library-empty{margin:10px 0 0;font-size:13px;color:#6b7785}.library-list{list-style:none;margin:12px 0 0;padding:0;display:grid;grid-gap:8px;gap:8px;max-height:340px;overflow:auto}.library-list li{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;padding:10px 12px;border:1px solid #e2eaf0;border-radius:8px;background:#fff}.library-list li.active{border-color:#168395;box-shadow:inset 3px 0 0 #168395}.library-info{min-width:0;flex:1 1 260px}.library-info b{display:block;font-size:14px;line-height:1.35;overflow-wrap:anywhere}.library-info small{display:block;margin-top:3px;font-size:11.5px;color:#74838f}.library-actions{display:flex;flex-wrap:wrap;gap:6px}.library-actions button{width:auto;margin:0;border:0;border-radius:6px;padding:7px 13px;font-size:12px;font-weight:700;color:#fff;cursor:pointer}.library-actions .open{background:#168395}.library-actions .open:hover{background:#0f6b7a}.library-actions .danger{background:#c62828}.library-actions .ghost{background:#fff;color:#566673;border:1px solid #cfdae2;font-weight:600}.library-actions .ghost:hover{background:#eef3f7}.library-now{align-self:center;padding:7px 11px;font-size:12px;font-weight:700;color:#0f6b7a}.library-note{margin:12px 0 0;font-size:11.5px;line-height:1.5;color:#74838f}.start-screen .library-panel{margin-bottom:26px}.export-staging{width:1320px}.export-staging article{width:1280px}.export-staging .visual-grid{display:block}.export-staging .visual-card{width:auto;margin:14px 0;padding:0;border:0;background:#fff;overflow:visible}.variation-render{display:block;width:100%;min-width:0;background:#fff}.visual-card.variation_table .variation-render{width:100%}.export-staging .variation-render,.export-staging .variation-render .variation-svg{width:1280px;max-width:none;min-width:0}.export-staging .visual-card.formula{width:900px;padding:18px 24px}.export-staging .formula-block .math.display{font-size:calc(48px * var(--visual-font-scale, 1) * var(--formula-fit, 1));max-width:100%;overflow:visible}.export-staging .formula-block .katex-display{margin:.25em 0;overflow:visible}.export-staging .formula-block .visual-caption{font-size:36px;margin-top:14px}.export-staging .visual-card.data_table{width:1100px}.export-staging .data-table{width:1100px;font-size:calc(44px * var(--visual-font-scale, 1))}.export-staging .data-table td,.export-staging .data-table th{padding:14px 20px;border-width:2px}.export-staging .data-table-wrap .visual-caption{font-size:42px;margin-top:12px}.export-staging .visual-card.quiz{width:1000px}.export-staging .quiz-card{width:1000px;padding:0}.export-staging .quiz-question{font-size:calc(48px * var(--visual-font-scale, 1));line-height:1.24;margin:0 0 10px}.export-staging .quiz-options{gap:6px}.export-staging .quiz-option{font-size:calc(46px * var(--visual-font-scale, 1));line-height:1.22;padding:4px 14px;border-width:2px;border-radius:12px;gap:14px}.export-staging .quiz-option b{flex:0 0 60px;height:60px;font-size:44px}.export-staging .quiz-explain{font-size:40px;padding:12px 16px;margin-top:10px}.export-staging .quiz-timer{font-size:36px}.rich-math{line-height:1.42;background:#fff;padding:0}.rich-math ul{margin:0;padding-left:1.05em;list-style:none}.rich-math li{margin:0 0 .42em;position:relative}.rich-math li:before{content:"•";position:absolute;left:-1.05em;top:0;line-height:1.42}.rich-math li:last-child{margin-bottom:0}.rich-math p{margin:0}.rich-math p.as-title{font-weight:700;line-height:1.2}.rich-math .katex{font-size:1.02em}.rich-math .katex-display{margin:.3em 0}.math-keep{display:inline-block;white-space:nowrap}.quality-summary .chip{width:auto;margin:0;padding:6px 11px;font:600 11px/1.3 inherit;border:1px solid #dce5ec;border-radius:999px;background:#f7fafc;color:#37506a;cursor:pointer}.quality-summary .chip:hover{border-color:#9fb6c6}.quality-summary .chip.open{border-width:2px;border-color:#168395;background:#eef9fa;color:#0f5e6b}.quality-summary .chip.bad{color:#a32929;background:#fff0f0;border-color:#f1c5c5}.quality-summary .chip.good{color:#14715c;background:#eaf8f3;border-color:#b8e6d8}.detail-panel{margin:-6px 0 16px;border:1px solid #cbd9e3;border-radius:10px;background:#fbfdfe;padding:12px 14px;max-height:340px;overflow:auto}.detail-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}.detail-head b{font-size:13px}.detail-head .ghost{width:auto;margin:0;padding:4px 12px;font-size:11px}.detail-empty{margin:0;font-size:12.5px;color:#64717c}.detail-list{list-style:none;margin:0;padding:0;display:grid;grid-gap:8px;gap:8px}.detail-list li{display:grid;grid-template-columns:1fr auto;grid-gap:12px;gap:12px;align-items:center;background:#fff;border:1px solid #e3eaf0;border-radius:8px;padding:9px 11px}.detail-list.compact li{padding:6px 11px}.detail-list b{font-size:12px}.detail-list p{margin:4px 0 0;font-size:12.5px;color:#3c4d5c}.detail-list small{display:block;margin-top:3px;font-size:11px;color:#6b7785}.detail-list button{width:auto;margin:0;padding:5px 12px;font-size:11px;white-space:nowrap}.list-head{margin-bottom:10px}.list-head h3{margin:0 0 7px}.list-switch{display:flex;gap:0;border:1px solid #cbd9e3;border-radius:7px;overflow:hidden}.list-switch button{width:50%;margin:0;border:0;border-radius:0;padding:6px 4px;font:700 10.5px/1.2 inherit;background:#fff;color:#5a6b7b}.list-switch button.on{background:#168395;color:#fff}.slide-list>button.cont{margin-left:14px;width:calc(100% - 14px);background:#fcfdfe}.slide-list>button.auto{background:#f2f5f8}.slide-list>button.auto b{color:#90a2b0}.slide-list>button.auto span{color:#64717c}.slide-list .auto-tag{font-style:normal;font-size:9px;border-radius:999px;padding:3px 5px;color:#5a6b7b;background:#e6ecf1}.edit-full{position:fixed;inset:0;z-index:90;display:grid;grid-template-rows:auto 1fr;background:#eef3f7}.edit-full>header{display:flex;align-items:center;gap:14px;padding:10px 18px;background:#173c57;color:#fff}.edit-full>header b{font-size:14px}.edit-full .ef-hint{flex:1 1;font-size:11.5px;color:#c3d6e4}.edit-full>header .done{width:auto;margin:0;padding:8px 18px;border:0;border-radius:7px;background:#17a67d;color:#fff;font-size:12px;font-weight:800}.ef-body{display:grid;grid-template-columns:minmax(340px,1fr) minmax(420px,1.25fr);grid-gap:14px;gap:14px;padding:14px 18px 18px;min-height:0}.ef-left,.ef-right{min-height:0;overflow:auto;display:grid;grid-gap:12px;gap:12px;align-content:start}.ef-left{grid-template-rows:auto 1fr auto auto}.ef-left label{display:grid;grid-gap:6px;gap:6px;font-size:12px;font-weight:700;color:#4a5b6b}.ef-left input,.ef-left select,.ef-left textarea{font-family:inherit;font-size:15px;line-height:1.6;font-weight:400;color:#1f2d3a;padding:10px 12px;border:1px solid #cbd9e3;border-radius:8px;background:#fff}.ef-left label.grow{min-height:0;grid-template-rows:auto 1fr}.ef-left label.grow textarea{height:100%;min-height:220px;resize:none}.ef-left label.notes textarea{min-height:96px}.canvas-head{gap:7px;margin-bottom:10px}.canvas-head .pos{flex:1 0 100%;font-size:11.5px;color:#5a6b7b}.canvas-head button{padding:7px 12px;font-size:11px;font-weight:800}.canvas-head button:disabled{opacity:.45;cursor:not-allowed}.canvas-head .danger{color:#b91c1c;border-color:#f0c9c9}.canvas-head .edit{background:#6d28d9;border-color:#6d28d9;color:#fff}.canvas-head .edit:disabled{background:#cbd2da;border-color:#cbd2da}.canvas-head .primary{background:#173c57;border-color:#173c57;color:#fff}.ef-preview{background:#fff;border:1px solid #cbd9e3;border-radius:10px;padding:12px}.ef-pager{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:10px}.ef-pager span{font-size:11.5px;color:#5a6b7b;text-align:center}.ef-pager button{width:auto;margin:0;padding:5px 11px;font-size:11px}.ef-note{margin:10px 0 0;font-size:11.5px;line-height:1.5;color:#64717c}.ef-visuals{background:#fff;border:1px solid #cbd9e3;border-radius:10px;padding:12px}.ef-visuals>b{display:block;margin-bottom:8px;font-size:12px}.ef-empty{margin:0;font-size:12px;color:#64717c}.ef-visuals .visual-row{display:grid;grid-template-columns:1fr auto auto auto;grid-gap:8px;gap:8px;align-items:center;padding:6px 0;border-top:1px solid #eef2f6}.ef-visuals .visual-row.on{background:#eef9fa;border-radius:6px;padding:6px 8px}.ef-visuals .visual-row span{font-size:12px;font-weight:700;color:#37506a}.ef-visuals .visual-row button{width:auto;margin:0;padding:5px 10px;font-size:10.5px}.font-size-controls{display:grid;grid-template-columns:1fr 1fr;grid-gap:10px;gap:10px}.visual-size{display:flex!important;align-items:center;gap:5px!important;margin:0!important;white-space:nowrap}.visual-size input{width:66px!important;padding:5px 7px!important}.ef-visuals .visual-row .danger{color:#b91c1c;border-color:#f0c9c9}.edit-full .visual-editor{margin:0}.ve-head{display:flex;align-items:baseline;justify-content:space-between;gap:10px}.ve-head b{margin:0}.ve-ok{color:#14715c}.ve-bad,.ve-ok{font-size:11px;font-weight:700}.ve-bad{color:#a32929}.ve-body{display:grid;grid-template-columns:minmax(240px,1fr) minmax(260px,1fr);grid-gap:12px;gap:12px;margin-top:10px}.ve-body textarea{min-height:300px;resize:vertical}.ve-guide{border:1px solid #dce5ec;border-radius:8px;background:#fff;padding:10px 12px;max-height:360px;overflow:auto}.ve-intro{margin:0 0 9px;font-size:12px;color:#3c4d5c;line-height:1.5}.ve-guide table{width:100%;border-collapse:collapse}.ve-guide th{text-align:left;vertical-align:top;padding:5px 8px 5px 0;width:38%;font-weight:400;border-top:1px solid #eef2f6}.ve-guide th code{font:700 11.5px ui-monospace,SFMono-Regular,Consolas,monospace;color:#0f5e6b}.ve-guide th em{display:block;font-style:normal;font-size:9.5px;font-weight:700;color:#a32929}.ve-guide td{vertical-align:top;padding:5px 0;font-size:11.5px;line-height:1.5;color:#4a5b6b;border-top:1px solid #eef2f6}.ve-guide tr.req td{color:#2f3f4e}.ve-tip{margin:9px 0 0;font-size:11.5px;line-height:1.5;color:#6b5a1f;background:#fffaf0;border-radius:6px;padding:7px 9px}.ve-guide details{margin-top:10px;font-size:11.5px}.ve-guide summary{cursor:pointer;font-weight:700;color:#37506a}.ve-guide details ul{margin:8px 0 0;padding-left:18px;color:#4a5b6b;line-height:1.6}.ve-error{margin:10px 0 0;padding:9px 11px;font-size:12.5px;line-height:1.5;color:#8a1f1f;background:#fff0f0;border:1px solid #f1c5c5;border-radius:7px}.ve-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}.ve-actions button{width:auto;margin:0;padding:7px 14px;font-size:12px}.ve-actions .done{background:#17a67d;color:#fff;border:0;font-weight:800}.ve-actions .done:disabled{background:#c7d2d8;color:#eef3f7;cursor:not-allowed}.ve-actions .ghost{color:#5a6b7b}@media (max-width:1100px){.ef-body,.ve-body{grid-template-columns:1fr}.ef-left label.grow textarea{min-height:180px}}.khaosat-box{display:grid;grid-gap:10px;gap:10px;padding:14px;border:1px solid #cbd9e3;border-radius:10px;background:#f7fbfd}.khaosat-box label{display:grid;grid-gap:6px;gap:6px;font:700 12px/1.3 inherit;color:#4a5b6b}.khaosat-box input{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:15px;font-weight:400;padding:10px 12px;border:1px solid #aac0cf;border-radius:8px;background:#fff;color:#1f2d3a}.khaosat-box .khaosat{width:auto;margin:0;justify-self:start;padding:10px 20px;border:0;border-radius:8px;background:#0E8A72;color:#fff;font-size:13px;font-weight:800}.khaosat-box .khaosat:disabled{background:#c7d2d8;cursor:not-allowed}.khaosat-box p{margin:0;font-size:11.5px;line-height:1.6;color:#5a6b7b}.khaosat-box code{background:#eef2f6;padding:1px 5px;border-radius:3px;font-size:11px}.export-actions .khaosat-btn{background:#0E8A72;border-color:#0E8A72;color:#fff}.ocr-box{display:grid;grid-gap:10px;gap:10px;margin-top:12px;padding:14px;border:1px solid #e0b978;border-left:4px solid #e4913c;border-radius:10px;background:#fffaf2}.ocr-box strong{font-size:14px;color:#8a5211}.ocr-box p{margin:0;font-size:12px;line-height:1.65;color:#5a4a36}.ocr-box .ocr-chu-y{padding:8px 10px;border-radius:8px;background:#fdf0dc}.ocr-trang{display:flex;flex-wrap:wrap;align-items:flex-end;gap:10px}.ocr-trang label{display:grid;grid-gap:4px;gap:4px;font:700 11.5px/1.3 inherit;color:#6b5638;width:auto}.ocr-trang input{width:92px;padding:8px 10px;font-size:14px;font-weight:700;border:1px solid #d8b483;border-radius:8px;background:#fff;color:#1f2d3a}.ocr-trang .ocr-ghi{flex:1 1 220px;font-size:11.5px;line-height:1.55;color:#7a684f}.ocr-nut{display:flex;flex-wrap:wrap;gap:8px}.ocr-box button{width:auto;margin:0;padding:10px 18px;border-radius:8px;font-size:13px;font-weight:800}.ocr-box .ocr-chay{border:0;background:#E4913C;color:#fff}.ocr-box .ocr-chay:disabled{background:#d9cbb6;cursor:not-allowed}.ocr-box .ocr-bo{border:1px solid #d8b483;background:#fff;color:#8a5211}.ocr-tiendo{display:flex;flex-wrap:wrap;align-items:center;gap:10px}.ocr-tiendo span{flex:1 1 200px;font-size:12px;font-weight:700;color:#6b5638}.ocr-tiendo .ocr-dung{border:1px solid #d8b483;background:#fff;color:#8a5211}.ocr-thanh{flex:1 1 100%;height:10px;border-radius:6px;background:#f0e0c6;overflow:hidden}.ocr-thanh i{display:block;height:100%;background:#E4913C;transition:width .25s ease}.prompt-box{display:grid;grid-gap:10px;gap:10px;margin-top:12px;padding:14px;border:1px solid #bfd6cc;border-left:4px solid #0e8a72;border-radius:10px;background:#f4fbf8}.prompt-box strong{font-size:14px;color:#0b5c4c}.prompt-box p{margin:0;font-size:12px;line-height:1.65;color:#40564f}.prompt-box .prompt-ghi{padding:8px 10px;border-radius:8px;background:#e6f4ef}.prompt-box code{background:#e2efe9;padding:1px 5px;border-radius:3px;font-size:11px}.prompt-nut{display:flex;flex-wrap:wrap;gap:8px}.prompt-box button{width:auto;margin:0;padding:10px 18px;border-radius:8px;font-size:13px;font-weight:800}.prompt-box .prompt-chep{border:0;background:#0E8A72;color:#fff}.prompt-box .prompt-tai{border:1px solid #a9cdc0;background:#fff;color:#0b5c4c}.sl-frame{position:relative;width:100%;aspect-ratio:16/9;overflow:hidden;background:#fff;border:1px solid #d3dde5;border-radius:6px;box-shadow:0 10px 30px rgba(16,40,60,.12)}.sl-stage{position:absolute;top:0;left:0;transform-origin:top left}.sl-body{inset:0;overflow:hidden}.sl-abs,.sl-body{position:absolute}.sl-center{text-align:center}.sl-right{text-align:right}.sl-topbar{left:0;top:0;right:0}.sl-accent,.sl-divider,.sl-topbar{position:absolute}.sl-divider{height:1px}.sl-title{position:absolute;overflow:hidden}.sl-covertitle,.sl-title{display:flex;align-items:center;font-weight:700;line-height:1.12}.sl-badge{position:absolute;display:grid;place-items:center;border-radius:999px;color:#fff;font-weight:700;letter-spacing:.08em}.sl-pageno{text-align:right;font-weight:700}.sl-footer,.sl-pageno,.sl-panel{position:absolute}.sl-panel{border:1px solid;border-radius:6px}.sl-kicker{position:absolute;font-weight:700;letter-spacing:.1em;white-space:nowrap}.sl-bullets{position:absolute;overflow:hidden;line-height:1.42}.sl-bullets ul{margin:0;padding-left:1.05em}.sl-bullets li{margin-bottom:.5em}.sl-bullets p{margin:0}.sl-bullets .math,.sl-covertitle .math,.sl-title .math{font-size:1em}.sl-visual{position:absolute;display:grid;place-items:center;overflow:hidden}.sl-visual svg,.sl-visual>*{max-width:100%;max-height:100%}.sl-visual svg{width:auto;height:auto;min-width:0!important}.sl-visual .variation-render{display:block;width:100%;min-width:0;max-height:100%}.sl-visual .variation-render .variation-svg{display:block;width:100%;height:auto;min-width:0!important;max-height:100%}.sl-visual .data-table-wrap,.sl-visual .quiz-card{width:100%;max-height:100%;overflow:hidden}.math-visual-size{width:100%;height:100%}.sl-visual .quiz-question{font-size:calc(19px * var(--visual-font-scale, 1))}.sl-visual .quiz-option{font-size:calc(16px * var(--visual-font-scale, 1));padding:9px 12px}.sl-visual .formula-block{font-size:calc(20px * var(--visual-font-scale, 1))}.canvas-head{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:12px}.canvas-head .pos{font:600 13px/1 var(--ff-ui,Arial,sans-serif);color:#5b6b7b;margin-right:auto}.canvas-head button{width:auto;margin:0;padding:8px 13px;font-size:12px;font-weight:700;border:1px solid #c9d6e0;border-radius:7px;background:#fff;color:#24384c;cursor:pointer;white-space:nowrap}.canvas-head button:hover{border-color:#8fa6b8}.canvas-head button.primary{background:#17324d;border-color:#17324d;color:#fff}.canvas-head button.edit{background:#6d28d9;border-color:#6d28d9;color:#fff}.canvas-head button.danger{background:#dc2626;border-color:#dc2626;color:#fff}.canvas-head button.done{background:#0e8a72;border-color:#0e8a72;color:#fff}.slide-hint{margin:10px 0 0;font:400 12px/1.5 var(--ff-ui,Arial,sans-serif);color:#7a8894}.edit-panel{margin-top:16px;border:1px solid #d9e1e7;border-radius:10px;background:#f8fbfd;padding:16px 18px}.edit-panel>b{display:block;margin-bottom:12px;font:700 13px/1 var(--ff-ui,Arial,sans-serif);color:#24384c}.visual-strip{display:grid;grid-gap:10px;gap:10px;margin-top:16px}.visual-strip>b{font:700 13px/1 var(--ff-ui,Arial,sans-serif);color:#24384c}.visual-row{display:flex;align-items:center;gap:10px;padding:9px 12px;border:1px solid #dbe3ea;border-radius:8px;background:#fff;font-size:13px}.visual-row span{flex:1 1;font-weight:600;color:#37506a}.visual-row button{width:auto;margin:0;padding:6px 11px;font-size:12px;font-weight:700}.presenter{position:fixed;inset:0;z-index:999;display:flex;flex-direction:column;background:#0b1016}.presenter-stage{flex:1 1;min-height:0;display:grid;place-items:center;padding:2vmin 2vmin 0}.sl-frame-full{width:min(100%,calc((100vh - 92px) * 16 / 9));border:0;border-radius:4px;box-shadow:0 24px 70px rgba(0,0,0,.55)}.presenter-notes{margin:0 2vmin;padding:10px 16px;max-height:18vh;overflow:auto;background:#16202a;border-left:4px solid #f2a541;border-radius:0 8px 8px 0;color:#dbe6ee;font:400 15px/1.55 Arial,sans-serif}.presenter-notes b{display:block;font-size:12px;letter-spacing:.08em;color:#f2a541;margin-bottom:5px}.presenter-notes p{margin:0;white-space:pre-line}.presenter-bar{display:flex;align-items:center;justify-content:center;gap:10px;padding:12px}.presenter-bar button{width:auto;margin:0;padding:9px 18px;border:0;border-radius:999px;background:#ffffff1f;color:#fff;font:700 13px/1 Arial,sans-serif;cursor:pointer}.presenter-bar button:hover{background:#ffffff33}.presenter-bar button.ghost{background:transparent;border:1px solid #ffffff33;font-weight:400}.presenter-count{color:#cfdae3;font:600 14px/1 Arial,sans-serif;min-width:78px;text-align:center;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}@media (max-width:900px){.sl-frame-full{width:100%}.presenter-bar{flex-wrap:wrap}}.export-actions .present{background:#17324d;border-color:#17324d;color:#fff;font-weight:700}.export-actions .present:hover{background:#0f2438}.preview-toolbar{flex-wrap:wrap;gap:12px 18px;align-items:flex-end}.preview-toolbar>div:first-child{flex:1 1 340px;min-width:0}.preview-toolbar small{display:block;white-space:nowrap}.preview-toolbar h2{margin:5px 0 0;line-height:1.2;overflow-wrap:anywhere}.preview-toolbar .title-edit{width:100%;font:700 22px Times New Roman,Cambria,"Liberation Serif","Noto Serif","DejaVu Serif",serif;padding:6px 10px}.export-actions{flex:0 1 auto;flex-wrap:wrap;justify-content:flex-end}@media (max-width:1180px){.preview-toolbar>div:first-child{flex-basis:100%}.export-actions{justify-content:flex-start}}.v9-main>header h1{text-transform:uppercase;letter-spacing:.012em}.start-screen h2{text-transform:uppercase;letter-spacing:.015em}.key-warn{margin:8px 0 0;padding:9px 11px;border:1px solid #f0c9c9;border-left:3px solid #dc2626;border-radius:6px;background:#fff5f5;color:#7f1d1d;font:400 11.5px/1.55 var(--ff-ui,Arial,sans-serif)}.key-warn code{background:#ffe4e4;padding:1px 4px;border-radius:3px;font-size:11px}.key-box>label{display:grid;grid-gap:6px;gap:6px;margin-bottom:8px}.dn-man{min-height:100dvh;display:grid;place-items:center;padding:28px 16px;background:linear-gradient(150deg,#0b1c35,#123b61)}.dn-the{width:min(460px,100%);box-sizing:border-box;display:flex;flex-direction:column;gap:14px;padding:32px 34px;border-radius:20px;background:#fff;color:#123252;box-shadow:0 24px 70px #0006}.dn-the.dn-rong{width:min(640px,100%)}.dn-the h1{margin:0;font-size:1.25rem;line-height:1.35;text-align:center}.dn-phu{margin:0 0 6px;text-align:center;color:#5d7286;font-size:.86rem}.dn-the label{display:block;font-weight:650;font-size:.92rem}.dn-ketqua,.dn-the input,.dn-the select{width:100%;box-sizing:border-box;margin-top:6px;padding:12px 13px;border:1px solid #b8c9d8;border-radius:10px;font:inherit;color:#123252;background:#fff}.dn-the button:focus-visible,.dn-the input:focus-visible,.dn-the select:focus-visible{outline:3px solid #21a6b8;outline-offset:2px}.dn-hang{display:flex;flex-direction:row;gap:8px;align-items:stretch;margin-top:6px}.dn-hang input{flex:1 1 auto;width:auto;min-width:0;margin-top:0}.dn-hang .dn-nho{flex:0 0 auto;width:auto;align-self:auto;margin-top:0;white-space:nowrap}.dn-chinh{margin-top:6px;padding:13px;border:0;border-radius:10px;background:#173e75;color:#fff;font:inherit;font-weight:800;cursor:pointer}.dn-chinh:disabled{opacity:.6;cursor:wait}.dn-nho{width:auto;align-self:flex-start;margin-top:6px;padding:11px 14px;border:1px solid #b8c9d8;border-radius:10px;background:#f6f9fc;color:#123252;font:inherit;cursor:pointer}.dn-loi{margin:0;padding:10px 12px;border-radius:9px;background:#ffeef0;color:#a51f2b;font-size:.88rem}.dn-ghi{margin:0;color:#66798a;font-size:.8rem;line-height:1.5}.dn-ketqua{font-family:ui-monospace,Consolas,monospace;font-size:.78rem;word-break:break-all;resize:vertical}@media (max-width:520px){.dn-the{padding:24px 20px}}.tk-nhan{position:fixed;top:8px;right:10px;z-index:2147483000;display:flex;gap:8px;align-items:center;padding:5px 9px;border:1px solid #ffffff44;border-radius:999px;background:#123252cc;color:#fff;font:600 12px/1.2 system-ui,Segoe UI,Arial,sans-serif;opacity:.55;transition:opacity .15s;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.tk-nhan:focus-within,.tk-nhan:hover{opacity:1}.tk-nhan button{width:auto;margin-top:0;padding:3px 9px;border:1px solid #ffffff55;border-radius:999px;background:#ffffff1f;color:#fff;font:inherit;cursor:pointer}.tk-nhan button:disabled{opacity:.6;cursor:wait}@media print{.tk-nhan{display:none}}