*{box-sizing:border-box}html{font-family:"Segoe UI Variable","Segoe UI",Arial,sans-serif;color:#172033;background:#eef3f8}body{margin:0;min-height:100vh}.hidden{display:none!important}button,input,select,textarea{font:inherit}.sitebar{height:66px;background:rgba(255,255,255,.95);backdrop-filter:blur(16px);border-bottom:1px solid #d9e2ec;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;padding:0 22px;position:sticky;top:0;z-index:70}.brand-side{display:flex;align-items:center;gap:10px}.back{display:grid;place-items:center;width:34px;height:34px;border-radius:9px;text-decoration:none;color:#344054;font-size:1.2rem}.back:hover{background:#edf2f7}.brand{display:flex;gap:9px;align-items:center;text-decoration:none;color:#172033}.brand-orb{width:36px;height:36px;border-radius:11px;background:#3a66b7;color:#fff;display:grid;place-items:center;font-size:.72rem;font-weight:900;box-shadow:0 7px 18px #3a66b72d}.brand strong,.brand small{display:block}.brand small{font-size:.66rem;color:#6b7280;margin-top:1px}.chapter-label{font-weight:800;color:#344054}.site-btn{justify-self:end;border:1px solid #cbd5e1;background:#fff;border-radius:9px;padding:8px 13px;color:#344054}.shell{width:min(1450px,calc(100% - 28px));margin:22px auto 70px}.launch-window,.task-card,.results{background:rgba(255,255,255,.98);border:1px solid #dce5ee;box-shadow:0 18px 55px rgba(30,41,59,.09);border-radius:20px}.launch-window{display:grid;grid-template-columns:1.35fr .85fr;overflow:hidden}.launch-copy{padding:48px 50px}.launch-copy h1,.results h1{font-size:clamp(2rem,4vw,3.5rem);letter-spacing:-.04em;margin:7px 0 12px}.launch-copy p{font-size:1.04rem;line-height:1.65;color:#5b6677;max-width:790px}.eyebrow{font-size:.7rem;letter-spacing:.14em;font-weight:900;color:#315da9}.feature-row{display:flex;flex-wrap:wrap;gap:9px;margin-top:25px}.feature-row span,.chapter-scope{border:1px solid #d9e4f7;background:#f8fbff;border-radius:11px;padding:9px 12px;font-size:.78rem;color:#475467}.chapter-scope{display:grid;gap:4px;margin-top:14px}.chapter-scope strong{color:#315da9}.launch-panel{padding:42px 36px;background:linear-gradient(145deg,#f8fbff,#eef4ff);border-left:1px solid #dbe6f7;display:flex;flex-direction:column;justify-content:center;gap:13px}.launch-panel label{font-size:.76rem;font-weight:750;color:#475467;display:grid;gap:5px}.launch-panel input{height:42px;border:1px solid #cbd5e1;border-radius:9px;background:#fff;padding:0 11px;font-size:16px}.candidate-grid,.mode-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.mode-card{border:1px solid #d5dbe3;background:#fff;border-radius:12px;text-align:left;padding:11px;display:grid;gap:4px;color:#344054}.mode-card span{font-size:.7rem;color:#667085}.mode-card.selected{border-color:#3b67b7;box-shadow:0 0 0 2px #3b67b71d;background:#f8fbff}.primary,.secondary{border-radius:9px;padding:9px 14px;font-weight:800;border:1px solid transparent;cursor:pointer}.primary{background:#3a66b7;color:#fff}.primary:hover{background:#2f58a1}.secondary{background:#fff;border-color:#cbd5e1;color:#344054}.wide{width:100%;padding:12px}.microcopy{font-size:.7rem!important;line-height:1.45!important;margin:0!important;color:#7c8798!important}.quest-strip{display:grid;grid-template-columns:1.15fr 1.2fr 2fr .8fr .8fr;gap:1px;background:#dce3ea;border:1px solid #dce3ea;border-radius:14px;overflow:hidden;margin-bottom:14px}.quest-strip>div{background:#fff;padding:10px 13px;display:grid;gap:4px;min-width:0}.quest-strip span{font-size:.66rem;text-transform:uppercase;letter-spacing:.07em;color:#7c8798}.quest-strip strong{font-size:.82rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.progress{height:8px;background:#edf1f5;border-radius:20px;overflow:hidden}.progress>div{height:100%;width:0;background:#3a66b7;transition:width .25s}.task-card{padding:20px 22px;margin-bottom:14px}.task-head{display:flex;align-items:flex-start;justify-content:space-between;gap:18px}.task-head h2{margin:4px 0 0;font-size:1.35rem}.mark-pill{padding:7px 10px;background:#eff5ff;color:#315da9;border:1px solid #d8e5fb;border-radius:999px;font-size:.75rem;font-weight:750}.mission-text{line-height:1.55;color:#475467;margin:10px 0}.checklist{display:flex;flex-wrap:wrap;gap:7px}.checklist span{font-size:.72rem;border:1px solid #e0e6ed;border-radius:8px;padding:6px 8px;background:#f8fafc}.feedback{margin-top:12px;padding:10px 12px;border-radius:9px;font-size:.8rem;font-weight:700}.feedback.good{background:#edfdf3;color:#067647;border:1px solid #abefc6}.feedback.bad{background:#fff1f3;color:#b42318;border:1px solid #fecdd3}.task-buttons{display:flex;justify-content:flex-end;gap:8px;margin-top:12px}.application-shell{background:#fff;border:1px solid #cfd8e2;box-shadow:0 16px 40px rgba(26,38,53,.13);min-height:690px;overflow:hidden;border-radius:10px}.app-titlebar{height:36px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;padding:0 9px;color:#fff;font-size:.75rem;transition:background .2s}.word-theme{background:#2b579a}.access-theme{background:#a4373a}.excel-theme{background:#217346}.verify-theme{background:#4b5563}.quick-access{display:flex;gap:11px;align-items:center}.app-title{font-weight:600}.window-controls{justify-self:end;display:flex;height:100%;align-items:center}.window-controls span{width:42px;text-align:center}.app-switcher{height:40px;display:flex;align-items:center;gap:5px;padding:0 8px;border-bottom:1px solid #dfe3e8;background:#f8f9fb;overflow:auto}.app-chip{height:30px;border:0;background:transparent;border-radius:6px;display:flex;align-items:center;gap:6px;padding:0 10px;color:#475467;white-space:nowrap}.app-chip.active{background:#fff;border:1px solid #d9dee5;color:#101828;box-shadow:0 1px 3px #00000012}.app-icon{width:19px;height:19px;border-radius:4px;display:grid;place-items:center;color:#fff;font-weight:900;font-size:.65rem}.word-icon{background:#2b579a}.access-icon{background:#a4373a}.excel-icon{background:#217346}.verify-icon{background:#4b5563}.ribbon-tabs{height:34px;display:flex;align-items:end;padding:0 10px;background:#fafafa;border-bottom:1px solid #d8dde4;gap:2px}.ribbon-tabs button{border:0;background:transparent;padding:8px 12px 7px;font-size:.75rem;color:#344054}.ribbon-tabs button.active{font-weight:700}.ribbon-tabs button:disabled{cursor:default;opacity:.5}.ribbon-tabs button.active:disabled{opacity:1}.object-item:disabled{cursor:default;color:#344054;opacity:1}.word-tabs button.active{color:#2b579a;border-bottom:2px solid #2b579a}.access-tabs button.active{color:#a4373a;border-bottom:2px solid #a4373a}.excel-tabs button.active{color:#217346;border-bottom:2px solid #217346}.ribbon{min-height:92px;border-bottom:1px solid #d3d8df;background:#fff;display:flex;gap:3px;padding:6px 8px;overflow:auto}.ribbon-group{min-width:105px;border-right:1px solid #dfe3e8;padding:3px 8px 16px;display:flex;align-items:flex-start;gap:4px;position:relative}.ribbon-group::after{content:attr(data-label);position:absolute;bottom:1px;left:0;right:0;text-align:center;font-size:.58rem;color:#7c8798}.ribbon-btn{border:1px solid transparent;background:transparent;border-radius:5px;padding:5px 7px;min-width:46px;min-height:48px;display:grid;place-items:center;gap:3px;color:#344054;font-size:.65rem;text-align:center}.ribbon-btn:hover{background:#f3f4f6;border-color:#e1e4e8}.ribbon-btn .ico{font-size:1.12rem}.workspace{min-height:470px}.word-workspace{display:grid;grid-template-columns:1fr 280px;min-height:470px;background:#e6e6e6}.word-page-zone{padding:24px;overflow:auto}.word-page{width:min(780px,96%);min-height:520px;background:#fff;margin:auto;box-shadow:0 2px 9px #0003;padding:58px 62px;font-family:Calibri,Arial,sans-serif;line-height:1.55;color:#222}.word-page h1{font-size:22pt;margin:0 0 20px}.word-page p{margin:0 0 14px}.spell{ text-decoration-line:underline;text-decoration-style:wavy;text-decoration-color:#d32f2f;text-underline-offset:3px}.grammar{ text-decoration-line:underline;text-decoration-style:wavy;text-decoration-color:#1e73d8;text-underline-offset:3px}.editor-pane{background:#fff;border-left:1px solid #cfd4da;padding:12px;overflow:auto}.editor-pane h3{margin:2px 0 10px;font-size:.95rem}.editor-card{border:1px solid #dde2e7;border-radius:8px;padding:9px;margin-bottom:9px;font-size:.72rem}.editor-card strong{display:block;margin-bottom:5px}.editor-actions{display:flex;flex-wrap:wrap;gap:5px;margin-top:7px}.mini-btn{border:1px solid #cbd2d9;background:#fff;border-radius:5px;padding:4px 7px;font-size:.68rem}.mini-btn:hover{background:#f3f5f7}.mini-btn.good{border-color:#98d7b1;color:#067647}.mini-btn.warn{border-color:#f7c7c7;color:#b42318}.preview-card{border:1px solid #d9dfe5;background:#fff;margin:12px 0;padding:10px}.preview-thumb{height:90px;background:linear-gradient(#fff,#f7f7f7);border:1px solid #c7ccd2;position:relative;overflow:hidden}.preview-thumb .bad-object{position:absolute;right:-18px;top:28px;width:80px;height:34px;background:#dbeafe;border:2px solid #2563eb}.preview-thumb .widow{position:absolute;left:12px;bottom:3px;font-size:.55rem}.layout-list{display:grid;gap:6px;margin-top:8px}.layout-item{display:flex;justify-content:space-between;gap:8px;align-items:center;border-top:1px solid #eef0f2;padding-top:6px;font-size:.68rem}.layout-item.fixed{color:#067647}.access-workspace{display:grid;grid-template-columns:205px 1fr 245px;min-height:470px}.nav-pane{border-right:1px solid #d9dee5;background:#f6f7f8}.nav-title{height:34px;display:flex;align-items:center;justify-content:space-between;padding:0 10px;background:#eceff2;font-size:.74rem;font-weight:700}.object-group-title{padding:5px 9px;background:#e4e8ec;font-size:.68rem;font-weight:800;color:#475467}.object-item{width:100%;border:0;background:transparent;text-align:left;padding:7px 9px;font-size:.7rem;color:#344054}.object-item.active{background:#eadbdd}.access-canvas{background:#fff;overflow:auto}.object-tabs{height:31px;background:#d8dade;display:flex;align-items:end}.object-tab{height:28px;padding:0 10px;border:1px solid #c8ccd2;border-bottom:0;background:#fff;display:flex;align-items:center;font-size:.7rem}.design-grid{border-collapse:collapse;width:100%;font-size:.72rem}.design-grid th,.design-grid td{border:1px solid #cfd4da;padding:5px 7px;height:31px}.design-grid th{background:#e9ecef;text-align:left}.design-grid tr.selected td{background:#fff0f1}.design-grid input,.design-grid select{width:100%;border:0;background:transparent;font-size:.7rem}.property-pane{border-left:1px solid #d9dee5;background:#f8f9fa}.property-title{height:34px;padding:0 9px;display:flex;align-items:center;background:#eceff2;font-weight:700;font-size:.72rem}.property-body{padding:9px;font-size:.7rem}.prop-row{display:grid;grid-template-columns:44% 56%;border-bottom:1px solid #e3e7eb;min-height:31px;align-items:center}.prop-row input,.prop-row select{height:25px;border:1px solid #cbd2d9;background:#fff;width:100%;font-size:.68rem;padding:0 4px}.datasheet{border-collapse:collapse;width:max-content;min-width:100%;font-size:.7rem}.datasheet th,.datasheet td{border:1px solid #d6d9dd;height:29px;padding:4px 7px;white-space:nowrap}.datasheet th{background:#e9edf0;text-align:left}.datasheet input{border:0;background:transparent;min-width:90px;font-size:.7rem}.test-panel{padding:12px;border-top:1px solid #d7dce1;background:#f8f9fa;font-size:.72rem}.test-grid{display:grid;grid-template-columns:repeat(4,minmax(90px,1fr));gap:7px}.test-grid label{display:grid;gap:4px}.test-grid input{height:30px;border:1px solid #cbd2d9;padding:0 6px}.excel-shell{background:#fff;min-height:470px;overflow:auto}.excel-bar{height:31px;background:#f4f6f5;border-bottom:1px solid #d8dedb;display:flex;align-items:center;padding:0 8px;gap:8px;font-size:.7rem}.name-box{width:95px;border:1px solid #cbd2cf;background:white;padding:4px}.formula-box{flex:1;border:1px solid #cbd2cf;background:white;padding:4px}.excel-grid{border-collapse:collapse;font-size:.7rem;min-width:720px}.excel-grid th,.excel-grid td{border:1px solid #d8dcda;height:28px;min-width:115px;padding:3px 6px}.excel-grid th{background:#f2f4f3;font-weight:600}.excel-grid .rownum{min-width:34px;width:34px;text-align:center;background:#f2f4f3}.excel-grid td.selected{background:#e7f3ec;outline:1px solid #217346}.excel-grid input{width:100%;border:0;background:transparent;font-size:.7rem}.sheet-tabs{height:30px;background:#f5f6f6;border-top:1px solid #dadedd;display:flex;align-items:center;padding:0 9px;gap:8px;font-size:.68rem}.sheet-tab{padding:5px 14px;background:#fff;border-bottom:2px solid #217346}.verify-workspace{background:#edf0f3;padding:18px;min-height:470px}.verify-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.verify-card{background:#fff;border:1px solid #d5dbe1;border-radius:8px;overflow:hidden}.verify-card h3{margin:0;padding:10px 12px;background:#f5f6f7;font-size:.85rem;border-bottom:1px solid #dde1e5}.verify-card .body{padding:12px}.verify-table{width:100%;border-collapse:collapse;font-size:.72rem}.verify-table th,.verify-table td{border:1px solid #dce1e6;padding:6px}.verify-table th{background:#f5f7f8}.verify-table input{width:100%;border:1px solid #ccd3da;height:28px;padding:0 5px}.mismatch{background:#fff1f2!important}.match{background:#edfdf3!important}.double-entry{display:grid;gap:8px}.double-entry label{display:grid;gap:4px;font-size:.72rem}.double-entry input{height:32px;border:1px solid #cbd2d9;padding:0 7px}.concept-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:9px;margin-top:14px}.concept-card{border:1px solid #d7dde3;border-radius:7px;padding:9px;background:#fff;font-size:.7rem}.concept-card select{width:100%;margin-top:7px;height:30px;border:1px solid #cbd2d9}.modal{position:fixed;inset:0;background:#10182888;z-index:100;display:grid;place-items:center;padding:18px}.dialog{width:min(680px,96vw);max-height:90vh;background:#fff;border:1px solid #9ea5ad;box-shadow:0 24px 80px #0006;display:flex;flex-direction:column}.dialog-titlebar{height:38px;background:#f0f1f3;border-bottom:1px solid #cdd2d8;display:flex;align-items:center;justify-content:space-between;padding-left:12px;font-size:.8rem;font-weight:700}.dialog-titlebar button{width:42px;height:100%;border:0;background:transparent;font-size:1.1rem}.dialog-body{padding:16px;overflow:auto;font-size:.78rem}.dialog-actions{padding:10px 12px;border-top:1px solid #d7dbe0;display:flex;justify-content:flex-end;gap:8px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:11px}.form-grid label,.stack-label{display:grid;gap:5px;color:#475467;font-weight:650}.form-grid input,.form-grid select,.stack-label input,.stack-label select,.stack-label textarea{height:34px;border:1px solid #cbd2d9;padding:0 8px;background:#fff}.stack-label textarea{height:72px;padding:7px}.dialog-note{padding:8px 10px;background:#fff7ed;border:1px solid #fed7aa;border-radius:7px;color:#9a3412;margin:8px 0}.results{padding:38px}.result-top{display:flex;align-items:center;gap:24px}.score-ring{width:120px;height:120px;border-radius:50%;display:grid;place-items:center;border:12px solid #dce7fa;background:#fff;color:#315da9;font-weight:900;font-size:1.3rem}.big-score{font-size:2rem;font-weight:900}.result-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:25px}.result-card{border:1px solid #dfe5eb;border-radius:14px;padding:16px}.result-card h3{margin:0 0 12px}.skill-row,.review-row{display:grid;grid-template-columns:1fr 2fr auto;gap:8px;align-items:center;margin:8px 0;font-size:.75rem}.review-row{grid-template-columns:1fr auto}.skill-track{height:7px;background:#edf0f3;border-radius:9px;overflow:hidden}.skill-track div{height:100%;background:#3a66b7}.ok{color:#067647}.footer{text-align:center;color:#7c8798;font-size:.72rem;padding:0 10px 35px}.link{text-decoration:none;display:inline-block}
@media(max-width:1000px){.launch-window{grid-template-columns:1fr}.launch-panel{border-left:0;border-top:1px solid #dbe6f7}.quest-strip{grid-template-columns:1fr 1fr 2fr}.quest-strip>div:nth-last-child(-n+2){display:none}.word-workspace{grid-template-columns:1fr}.editor-pane{border-left:0;border-top:1px solid #cfd4da}.access-workspace{grid-template-columns:170px 1fr}.property-pane{display:none}.result-grid{grid-template-columns:1fr}}
@media(max-width:700px){.sitebar{grid-template-columns:1fr auto;padding:0 10px}.chapter-label{display:none}.brand small{display:none}.shell{width:min(100% - 12px,1450px);margin-top:8px}.launch-copy{padding:28px 22px}.launch-panel{padding:24px 18px}.candidate-grid,.mode-grid{grid-template-columns:1fr}.quest-strip{grid-template-columns:1fr 1fr}.progress-cell{display:none}.task-card{padding:15px}.task-head{align-items:center}.application-shell{border-radius:6px;min-height:620px}.app-titlebar{grid-template-columns:1fr 1fr}.app-title{justify-self:end}.window-controls{display:none}.ribbon{min-height:82px}.access-workspace{grid-template-columns:1fr}.nav-pane{display:none}.verify-grid,.concept-grid{grid-template-columns:1fr}.word-page{padding:36px 26px;width:96%}.form-grid,.test-grid{grid-template-columns:1fr}.results{padding:24px 17px}.result-top{align-items:flex-start}.score-ring{width:90px;height:90px;border-width:9px}}
.quick-access button,.quick button{border:0;background:transparent;color:inherit;min-width:26px;height:26px;border-radius:5px;padding:2px 5px;cursor:pointer}.quick-access button:hover,.quick button:hover{background:rgba(255,255,255,.18)}.quick-access button:disabled,.quick button:disabled{opacity:.4;cursor:default}
/* Error 21: visible proofing / validation outcomes */
.validation-ledger{margin-top:10px;border-top:1px solid #d7dce1;padding-top:9px;display:grid;gap:6px}.validation-results{display:flex;flex-wrap:wrap;gap:6px}.validation-result{display:flex;align-items:center;gap:6px;border:1px solid #d9dee5;border-radius:6px;padding:5px 7px;background:#fff;font-size:.66rem}.validation-result.accepted{border-color:#a6e0ba;background:#edfdf3;color:#067647}.validation-result.rejected{border-color:#f3b6b8;background:#fff1f2;color:#b42318}.validation-result strong{font-weight:700;color:inherit}.validation-empty{font-size:.68rem;color:#667085;padding:4px 0}.excel-validation-panel{border-top:1px solid #d7dce1;background:#f8faf9;padding:10px 12px;font-size:.7rem;display:grid;gap:5px}.excel-validation-panel>div:first-child{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.validation-rule-summary{color:#475467;background:#fff;border:1px solid #d6ddd9;border-radius:5px;padding:4px 7px}
/* Error 22: evidence/print preview fidelity */
.ch15-print-wrap{background:#dfe4ea;padding:16px;overflow:auto}.ch15-print-page{width:min(560px,100%);min-height:620px;margin:auto;background:#fff;box-shadow:0 3px 14px #0002;padding:42px 48px;position:relative;font-family:Georgia,"Times New Roman",serif;font-size:13px;line-height:1.55}.ch15-print-page h1{font:700 24px "Segoe UI",Arial,sans-serif;margin:0 0 22px}.ch15-layout-evidence{margin:28px 0 50px;padding:12px;border:1px solid #d6dce5;background:#fafbfc;display:grid;grid-template-columns:1fr 1fr;gap:6px}.ch15-layout-evidence strong{grid-column:1/-1}.ch15-layout-evidence span{font:11px "Segoe UI",Arial,sans-serif;padding:4px 6px;border-radius:5px}.ch15-layout-evidence .ok{background:#ecfdf3;color:#067647}.ch15-layout-evidence .warn{background:#fff7ed;color:#9a3412}.preview-bad-object,.preview-widow{position:static!important;width:auto!important;margin:8px 0!important}.ch15-print-footer{position:absolute;left:48px;right:48px;bottom:20px;border-top:1px solid #ddd;padding-top:7px;font:10px "Segoe UI",Arial,sans-serif;color:#667085}.ch15-print-page .spell{text-decoration:underline wavy #d92d20}.ch15-print-page .grammar{text-decoration:underline wavy #2563eb}
/* Error 24: Access object/property panes remain available on tablets and phones. */
@media(max-width:1000px){
.access-workspace{grid-template-columns:170px minmax(0,1fr)!important;overflow:auto}
.property-pane{display:block!important;grid-column:1/-1;border-left:0;border-top:1px solid #d9dee5;max-height:230px;overflow:auto}
}
@media(max-width:700px){
.app-titlebar{grid-template-columns:auto minmax(0,1fr) auto!important}
.app-title{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;padding:0 6px}
.quick-access{min-width:0;overflow-x:auto;gap:4px}
.access-workspace{grid-template-columns:1fr!important;overflow:auto}
.nav-pane{display:block!important;border-right:0;border-bottom:1px solid #d9dee5;max-height:140px;overflow:auto}
.property-pane{grid-column:1!important;max-height:230px}
.canvas{min-width:0;overflow:auto}
}