:root{
  --ppt:#d35230;--ppt-dark:#a83a20;--ppt-soft:#f8e9e3;--ink:#18202b;--muted:#667085;--line:#d9dde5;--surface:#fff;--bg:#eef1f6;--accent:#2b67d1;--good:#147d45;--bad:#b42318;--shadow:0 20px 55px rgba(22,34,51,.14)
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:linear-gradient(180deg,#f7f8fb 0,#e9edf4 100%);color:var(--ink);font-family:Segoe UI Variable,Segoe UI,Arial,sans-serif}.hidden{display:none!important}button,input,select,textarea{font:inherit}.sitebar{height:68px;display:flex;align-items:center;justify-content:space-between;padding:0 22px;background:rgba(255,255,255,.92);backdrop-filter:blur(18px);border-bottom:1px solid #e5e7eb;position:sticky;top:0;z-index:30}.brand-side,.brand{display:flex;align-items:center;gap:12px}.brand{text-decoration:none;color:inherit}.brand strong{display:block;font-size:15px;letter-spacing:.02em}.brand small{display:block;color:#6b7280;font-size:11px}.brand-orb{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;background:#111827;color:#fff;font-weight:800;font-size:12px}.back{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;text-decoration:none;color:#111827;background:#f3f4f6}.chapter-label{font-size:14px;font-weight:700}.site-btn,.ghost,.primary,.button-link{border:0;border-radius:10px;padding:10px 16px;cursor:pointer;font-weight:700}.site-btn,.ghost{background:#fff;border:1px solid #d7dbe3;color:#344054}.primary{background:#1f5fc4;color:#fff}.primary:hover{background:#174c9e}.wide{width:100%}.button-link{text-decoration:none;display:inline-flex;align-items:center;justify-content:center}.shell{width:min(1540px,calc(100% - 28px));margin:22px auto 54px}.launch-window{display:grid;grid-template-columns:1.2fr .8fr;gap:28px;background:rgba(255,255,255,.9);border:1px solid rgba(255,255,255,.8);border-radius:24px;padding:38px;box-shadow:var(--shadow)}.eyebrow{font-size:11px;font-weight:800;letter-spacing:.12em;color:#3f6db5}.launch-copy h1{font-size:clamp(36px,5vw,64px);line-height:.98;margin:8px 0 16px}.launch-copy p{font-size:18px;line-height:1.6;color:#596579;max-width:820px}.feature-row{display:flex;flex-wrap:wrap;gap:9px;margin:22px 0}.feature-row span,.chapter-scope{background:#f3f6fb;border:1px solid #e1e7f0;border-radius:999px;padding:9px 13px;font-size:13px}.chapter-scope{border-radius:14px;display:flex;flex-direction:column;gap:5px;max-width:820px}.chapter-scope span{color:#657083}.launch-panel{background:#f8fafc;border:1px solid #e5e7eb;border-radius:18px;padding:24px}.launch-panel label{display:flex;flex-direction:column;gap:7px;font-weight:700;font-size:13px}.launch-panel input{padding:12px;border:1px solid #cfd5df;border-radius:10px;background:#fff}.candidate-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:14px 0}.mode-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:14px 0}.mode-card{background:#fff;border:1px solid #d7dce5;border-radius:14px;padding:15px;text-align:left;cursor:pointer}.mode-card strong,.mode-card span{display:block}.mode-card span{font-size:12px;color:#667085;margin-top:4px}.mode-card.selected{border-color:#4b7fd4;box-shadow:0 0 0 3px rgba(75,127,212,.12)}.microcopy{font-size:11px!important;color:#7b8493!important;margin:10px 0 0!important}.quest-strip{display:grid;grid-template-columns:1.2fr 1.4fr 2.4fr .8fr .8fr;gap:1px;background:#d9dee7;border:1px solid #d9dee7;border-radius:14px;overflow:hidden;margin-bottom:14px}.quest-strip>div{background:#fff;padding:10px 13px}.quest-strip span{display:block;font-size:10px;color:#7b8493;text-transform:uppercase;letter-spacing:.08em}.quest-strip strong{display:block;font-size:13px;margin-top:3px}.progress{height:6px;background:#edf0f4;border-radius:999px;margin-top:7px;overflow:hidden}.progress>div{height:100%;width:0;background:#2e6dcc;transition:.25s}.task-card{background:#fff;border:1px solid #dfe3ea;border-radius:16px;padding:18px 20px;margin-bottom:14px;box-shadow:0 8px 22px rgba(20,30,50,.05)}.task-head{display:flex;justify-content:space-between;gap:16px}.task-head h2{margin:4px 0 0;font-size:22px}.mark-pill{height:max-content;background:#eef4ff;color:#295ea7;padding:6px 10px;border-radius:999px;font-size:12px}.mission-text{color:#475467;line-height:1.55;margin:12px 0}.checklist{display:flex;flex-wrap:wrap;gap:8px}.checklist span{background:#f6f7f9;border:1px solid #e4e7ec;border-radius:999px;padding:6px 9px;font-size:12px;color:#475467}.task-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:14px}.feedback{padding:10px 12px;border-radius:10px;margin-top:12px;font-size:13px}.feedback.good{background:#eaf8f0;color:#11653a;border:1px solid #bfe8cf}.feedback.bad{background:#fff0ee;color:#9c2c24;border:1px solid #f0c1bc}
.powerpoint-window{background:#fff;border:1px solid #b8bec8;border-radius:10px;overflow:hidden;box-shadow:0 22px 50px rgba(18,25,38,.18)}.ppt-titlebar{height:36px;background:var(--ppt);color:#fff;display:grid;grid-template-columns:1fr 340px 1fr;align-items:center;padding:0 8px}.ppt-app{display:flex;align-items:center;gap:8px;font-size:12px}.ppt-logo{width:24px;height:24px;display:grid;place-items:center;background:#b84023;border:1px solid rgba(255,255,255,.28);font-weight:800;border-radius:3px}.ppt-search{height:25px;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.25);border-radius:4px;display:flex;align-items:center;justify-content:center;font-size:11px;color:#ffe9e3}.window-buttons{justify-self:end;display:flex;gap:22px;font-size:15px}.quick-row{height:29px;display:flex;align-items:center;gap:4px;background:#fff7f4;border-bottom:1px solid #eadfdc;padding:0 8px}.quick-row button{border:0;background:transparent;cursor:pointer;padding:3px 7px}.autosave{font-size:10px;color:#7c4b3d;margin-left:4px}.autosave b{background:#fff;border:1px solid #d8b8ae;border-radius:10px;padding:1px 6px}.ribbon-tabs{height:32px;display:flex;align-items:end;gap:2px;padding-left:8px;border-bottom:1px solid #d4d8df;background:#fff}.ribbon-tabs button{border:0;background:transparent;padding:7px 11px 6px;font-size:12px;cursor:pointer;border-bottom:2px solid transparent}.ribbon-tabs button.active{color:#b64327;border-bottom-color:#b64327;font-weight:700}.ribbon{min-height:86px;background:#fff;border-bottom:1px solid #cdd2da;display:flex;align-items:stretch;overflow-x:auto;padding:4px 6px}.ribbon-group{display:flex;align-items:center;gap:5px;border-right:1px solid #d7dbe1;padding:4px 9px 18px;position:relative;min-width:max-content}.ribbon-group-title{position:absolute;bottom:2px;left:0;right:0;text-align:center;font-size:9px;color:#7d8490}.rib-btn{border:1px solid transparent;background:transparent;border-radius:4px;padding:5px 7px;min-width:44px;display:flex;flex-direction:column;align-items:center;gap:3px;font-size:10px;cursor:pointer}.rib-btn:hover{background:#f4f5f7;border-color:#dde0e5}.rib-btn .ico{font-size:20px}.rib-btn.small{min-width:30px;padding:4px}.rib-select,.rib-input{height:28px;border:1px solid #cfd4dc;border-radius:4px;background:#fff;padding:0 7px;font-size:11px}.color-chip{width:18px;height:18px;border-radius:3px;border:1px solid #9da4ae}.ppt-workspace{position:relative;display:grid;grid-template-columns:185px minmax(0,1fr) 260px;height:690px;background:#e9e9ea}.slides-pane{background:#f8f8f8;border-right:1px solid #bfc3ca;overflow:hidden}.pane-tabs{height:28px;display:flex;border-bottom:1px solid #d5d7dc}.pane-tabs button{flex:1;border:0;background:transparent;font-size:10px}.pane-tabs button.active{font-weight:700;border-bottom:2px solid var(--ppt)}.thumb-list{height:calc(100% - 28px);overflow:auto;padding:10px 8px}.thumb{display:grid;grid-template-columns:20px 1fr;gap:5px;margin-bottom:10px;cursor:pointer}.thumb-num{font-size:10px;color:#555;text-align:center;padding-top:16px}.thumb-slide{aspect-ratio:4/3;background:#fff;border:1px solid #aaa;box-shadow:0 1px 2px rgba(0,0,0,.08);position:relative;overflow:hidden}.thumb.active .thumb-slide{outline:3px solid var(--ppt);outline-offset:1px}.thumb.hidden-slide .thumb-num{text-decoration:line-through}.thumb-title{position:absolute;left:7px;right:7px;top:7px;font-size:5px;font-weight:700}.thumb-shape{position:absolute;right:0;top:0;bottom:0;width:22%;background:#f5e79a}.outline-list{padding:6px 0 10px}.outline-entry{display:grid;grid-template-columns:25px minmax(0,1fr);gap:4px;padding:7px 8px 7px 4px;border-left:3px solid transparent;cursor:pointer;outline:0}.outline-entry:hover{background:#eceeef}.outline-entry:focus-visible{box-shadow:inset 0 0 0 2px #3b82f6}.outline-entry.active{background:#f4e6e1;border-left-color:var(--ppt)}.outline-entry.hidden-slide{opacity:.55}.outline-entry.hidden-slide .outline-number{text-decoration:line-through}.outline-number{font-size:10px;color:#555;text-align:center;padding-top:2px}.outline-copy{min-width:0;overflow:hidden}.outline-line{font-size:10px;line-height:1.35;color:#454b55;white-space:normal;overflow-wrap:anywhere;margin:1px 0}.outline-line.outline-title{font-weight:700;color:#222}.outline-line.level-1{padding-left:9px;position:relative}.outline-line.level-1:not(.outline-title)::before{content:'•';position:absolute;left:1px;color:#777}.outline-empty{font-style:italic;color:#8a9099}.editing-stage{min-width:0;display:flex;flex-direction:column;align-items:center;justify-content:center;position:relative;padding:24px 22px 0}.master-badge{position:absolute;top:7px;left:50%;transform:translateX(-50%);font-size:10px;letter-spacing:.12em;font-weight:800;color:#7b3b2b;background:#fff3ee;border:1px solid #e7c3b8;border-radius:999px;padding:5px 9px;z-index:4}.slide-canvas{width:min(810px,95%);aspect-ratio:4/3;background:#fff;box-shadow:0 4px 18px rgba(0,0,0,.20);position:relative;overflow:hidden;transform-origin:center}.slide-canvas.ratio169{aspect-ratio:16/9}.slide-canvas.sorter{width:100%;height:100%;aspect-ratio:auto;background:transparent;box-shadow:none;display:grid;grid-template-columns:repeat(3,1fr);gap:18px;padding:16px;overflow:auto}.sort-card{aspect-ratio:4/3;background:#fff;border:1px solid #bbb;box-shadow:0 2px 7px rgba(0,0,0,.12);position:relative;padding:14px}.sort-card.hidden-sort{opacity:.55}.sort-card.hidden-sort::after{content:'HIDDEN';position:absolute;inset:auto 8px 8px auto;background:#333;color:#fff;font-size:8px;padding:3px 5px;border-radius:3px}.slide-object{position:absolute;min-width:30px;min-height:20px;border:1px solid transparent;display:flex;align-items:center;justify-content:flex-start;overflow:hidden}.slide-object.selected{outline:1.5px solid #3b82f6;outline-offset:1px}.slide-object.text{padding:2px 4px;white-space:pre-wrap}.slide-object.image{background:linear-gradient(135deg,#cbd6e7,#eef3f8);border:1px solid #aab5c5;color:#44556d;justify-content:center;font-size:12px}.slide-object.video{background:#1d222a;color:#fff;justify-content:center;flex-direction:column;gap:6px}.slide-object.audio{background:#f7f7f7;border:1px solid #bbb;justify-content:center}.slide-object.shape{justify-content:center}.slide-object.chart{background:#fff;border:1px solid #bbb;padding:6px;display:block}.slide-object.table{background:#fff;border:1px solid #333;display:grid}.slide-object.callout{background:#fff4c2;border:1px solid #555;padding:8px;justify-content:center}.slide-object.action{background:#f3f3f3;border:1px solid #777;justify-content:center}.master-right{position:absolute;right:0;top:0;bottom:0;background:#f8ed9a}.master-top,.master-bottom{position:absolute;left:0;right:0;background:#8cc67c}.master-line{position:absolute;background:#203d78}.master-line.green{background:#155e31}.notes-pane{width:min(900px,98%);height:84px;background:#fff;border:1px solid #c3c7cd;margin-top:20px;display:grid;grid-template-columns:62px 1fr;align-items:stretch}.notes-pane span{font-size:10px;color:#777;padding:9px;border-right:1px solid #e1e3e7}.notes-pane textarea{border:0;resize:none;padding:9px;outline:none;font-size:12px}.side-pane{background:#fff;border-left:1px solid #bfc3ca;display:flex;flex-direction:column;min-width:0}.side-pane-head{height:34px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #d7d9df;padding:0 10px;font-size:12px}.side-pane-head button{border:0;background:transparent;font-size:18px;cursor:pointer}.side-pane-body{padding:12px;overflow:auto;font-size:12px}.side-pane-body label{display:flex;flex-direction:column;gap:4px;margin-bottom:10px}.side-pane-body input,.side-pane-body select,.side-pane-body textarea{padding:7px;border:1px solid #cfd3db;border-radius:4px}.pane-row{display:grid;grid-template-columns:1fr 1fr;gap:8px}.ppt-statusbar{height:26px;background:#f6f6f6;border-top:1px solid #c7cbd1;display:flex;align-items:center;gap:14px;padding:0 10px;font-size:10px;color:#4a4f57}.ppt-statusbar .spacer{flex:1}.ppt-statusbar button{border:0;background:transparent;cursor:pointer}.modal-backdrop{position:fixed;inset:0;background:rgba(16,24,40,.45);display:grid;place-items:center;z-index:80;padding:18px}.modal-window{width:min(720px,96vw);max-height:92vh;background:#fff;border:1px solid #9ca3af;box-shadow:0 30px 80px rgba(0,0,0,.28);display:flex;flex-direction:column}.modal-titlebar{background:#f4f4f4;border-bottom:1px solid #d1d5db;height:36px;display:flex;align-items:center;justify-content:space-between;padding:0 12px;font-size:13px;font-weight:700}.modal-titlebar button{border:0;background:transparent;font-size:20px}.modal-body{padding:18px;overflow:auto;line-height:1.45}.modal-actions{border-top:1px solid #e2e4e8;padding:10px 12px;display:flex;justify-content:flex-end;gap:8px}.modal-body label{font-size:12px;font-weight:600}.stack-label{display:flex;flex-direction:column;gap:5px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.form-grid label{display:flex;flex-direction:column;gap:5px}.modal-body input,.modal-body select,.modal-body textarea{width:100%;padding:8px;border:1px solid #bfc5ce;border-radius:4px}.file-browser{border:1px solid #cbd0d8;background:#fafafa}.file-row{display:grid;grid-template-columns:1fr 100px 90px;gap:8px;padding:8px 10px;border-bottom:1px solid #e6e7ea;cursor:pointer}.file-row.selected{background:#dcecff}.excel-window{border:1px solid #aaa}.excel-title{background:#217346;color:#fff;padding:7px 10px;font-size:12px}.excel-grid{display:grid;grid-template-columns:45px 1fr 1fr;border-top:1px solid #bbb}.excel-grid input{border-radius:0;border:0;border-right:1px solid #d8d8d8;border-bottom:1px solid #d8d8d8;padding:6px;font-size:12px}.excel-cell-head{background:#f3f3f3;border-right:1px solid #ccc;border-bottom:1px solid #ccc;text-align:center;padding:6px}.word-window{border:1px solid #9ca3af}.word-title{background:#2b579a;color:#fff;padding:8px 10px}.word-page{margin:18px auto;background:#fff;border:1px solid #d4d4d4;box-shadow:0 2px 8px rgba(0,0,0,.12);width:82%;min-height:290px;padding:28px;font-family:Calibri,Arial,sans-serif}.evidence-shot{border:1px solid #aaa;background:#f7f7f7;padding:12px;margin:10px 0;font-size:11px}.print-preview{display:grid;grid-template-columns:1fr 240px;gap:16px}.print-page{background:#f7f7f7;border:1px solid #aaa;min-height:320px;padding:20px}.toast{position:fixed;right:24px;bottom:24px;background:#202a3a;color:#fff;padding:11px 15px;border-radius:10px;box-shadow:0 12px 30px rgba(0,0,0,.2);z-index:100;font-size:12px}.result-card{background:#fff;border:1px solid #dfe3ea;border-radius:20px;padding:28px;box-shadow:var(--shadow)}.result-grid{display:grid;grid-template-columns:220px 1fr;gap:30px;align-items:center}.score-ring{width:190px;height:190px;border-radius:50%;display:grid;place-items:center;align-content:center;background:conic-gradient(#2e6dcc 0 100%,#e8ecf2 0);border:14px solid #eef2f7}.score-ring strong{font-size:36px}.score-ring span{font-size:20px;font-weight:800}.skill-row{display:grid;grid-template-columns:180px 1fr 50px;gap:10px;align-items:center;margin:8px 0;font-size:12px}.skill-track{height:7px;background:#ecf0f5;border-radius:999px;overflow:hidden}.skill-track div{height:100%;background:#2e6dcc}.review-row{display:flex;justify-content:space-between;border-top:1px solid #eceff3;padding:9px 2px;font-size:13px}.review-row .ok{color:#147d45;font-weight:800}.result-actions{display:flex;justify-content:flex-end;gap:9px;margin-top:18px}
@media(max-width:1100px){.launch-window{grid-template-columns:1fr}.ppt-workspace{grid-template-columns:150px minmax(0,1fr);height:620px}.side-pane{display:none;position:absolute;right:0;top:0;bottom:0;width:260px;z-index:12;box-shadow:-8px 0 24px rgba(0,0,0,.16)}.side-pane.open{display:flex}.ppt-titlebar{grid-template-columns:1fr 240px 1fr}.slide-canvas{width:94%}}@media(max-width:760px){.shell{width:min(100% - 14px,1540px);margin-top:10px}.sitebar{padding:0 10px}.chapter-label{display:none}.launch-window{padding:20px}.candidate-grid,.mode-grid,.form-grid{grid-template-columns:1fr}.quest-strip{grid-template-columns:1fr 1fr}.progress-cell{grid-column:1/-1}.ppt-titlebar{grid-template-columns:1fr}.ppt-search,.window-buttons{display:none}.ribbon{min-height:76px}.ppt-workspace{grid-template-columns:88px minmax(0,1fr);height:520px}.slides-pane{font-size:9px}.thumb{grid-template-columns:14px 1fr}.editing-stage{padding:18px 8px 0}.notes-pane{height:72px;margin-top:12px}.slide-canvas{width:98%}.task-actions{flex-wrap:wrap}.result-grid{grid-template-columns:1fr}.score-ring{margin:auto}.skill-row{grid-template-columns:110px 1fr 42px}.sitebar{height:58px}.brand small{display:none}}

/* Error 7: keep every PowerPoint slide representation in the selected slide-size ratio. */
.thumb-slide.ratio43{aspect-ratio:4/3}.thumb-slide.ratio169{aspect-ratio:16/9}.sort-card.ratio43{aspect-ratio:4/3}.sort-card.ratio169{aspect-ratio:16/9}

/* Error 22: PowerPoint print/output preview fidelity */
.ppt-output-preview{grid-template-columns:minmax(0,1fr) 210px;align-items:start}.ppt-print-page{width:min(700px,100%);min-height:520px;padding:24px;display:block}.ppt-print-slide{position:relative;width:100%;background:#fff;overflow:hidden;border:1px solid #c8d0db}.ppt-print-slide.ratio169{aspect-ratio:16/9}.ppt-print-slide.ratio43{aspect-ratio:4/3}.ppt-print-slide .slide-object{position:absolute}.ppt-print-slide .selected{outline:0!important}.ppt-full-print{max-width:620px;margin:auto}.ppt-notes-print{max-width:620px;margin:auto}.ppt-notes-text{border:1px solid #d7dde5;border-top:0;padding:14px;background:#fff;min-height:120px;font-size:11px}.ppt-notes-text p{white-space:pre-wrap}.ppt-handout-grid{display:grid;gap:16px;max-width:560px;margin:auto}.ppt-handout-grid.cols-2{grid-template-columns:1fr 1fr}.ppt-handout-item{position:relative;padding-left:18px}.ppt-handout-item>span{position:absolute;left:0;top:2px;font-size:9px;color:#667085}.ppt-print-meta{font-size:10px;color:#667085;margin-top:10px}@media(max-width:760px){.ppt-output-preview{grid-template-columns:1fr}.ppt-print-page{min-width:520px}}

/* Error 24: retain the PowerPoint title bar/window controls and internal scrollers. */
@media(max-width:760px){
  .ppt-titlebar{grid-template-columns:minmax(0,1fr) auto!important;height:36px!important;overflow:hidden}
  .ppt-app{min-width:0;overflow:hidden}
  .ppt-app #pptFileName{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .ppt-search{display:none!important}
  .window-buttons{grid-column:2;grid-row:1;justify-self:end;gap:0!important}
  .slides-pane{overflow:auto!important}
  .ribbon-tabs{overflow-x:auto;white-space:nowrap}
}