*{box-sizing:border-box}
:root{--excel:#217346;--excel-dark:#185c37;--excel-deep:#0f4b2c;--bg:#eef3f6;--panel:#fff;--ink:#202124;--muted:#667085;--line:#d8dee7;--blue:#2563eb;--shadow:0 20px 65px rgba(15,23,42,.13)}
html,body{margin:0;min-height:100%;overflow-x:hidden;font-family:"Segoe UI Variable","Segoe UI",Inter,system-ui,-apple-system,sans-serif;color:var(--ink);background:radial-gradient(circle at 10% 0%,rgba(33,115,70,.14),transparent 30rem),linear-gradient(180deg,#f7faf9,#eef3f6 55%,#e9eef2)}
button,input,select{font:inherit}button{cursor:pointer}.hidden{display:none!important}.sitebar{height:66px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;padding:0 clamp(12px,3vw,34px);background:rgba(249,251,250,.78);backdrop-filter:blur(20px);border-bottom:1px solid rgba(255,255,255,.9);position:sticky;top:0;z-index:40}.brand-side{display:flex;align-items:center;gap:8px}.back{width:38px;height:38px;display:grid;place-items:center;border-radius:10px;text-decoration:none;color:#344054}.back:hover{background:#fff}.brand{display:flex;align-items:center;gap:9px;text-decoration:none;color:inherit}.brand-orb{width:38px;height:38px;border-radius:11px;display:grid;place-items:center;background:linear-gradient(135deg,#217346,#2563eb);color:#fff;font-weight:900}.brand strong,.brand small{display:block}.brand small{color:#667085;font-size:.72rem}.chapter-label{font-size:.88rem;color:#667085;font-weight:650}.site-btn{justify-self:end;border:1px solid #d7dee7;background:#fff;border-radius:9px;padding:8px 12px;color:#344054}.shell{width:min(1420px,calc(100% - 20px));margin:22px auto 54px}.launch-card{max-width:1120px;margin:28px auto;display:grid;grid-template-columns:1.35fr .65fr;border:1px solid rgba(255,255,255,.9);background:rgba(255,255,255,.84);backdrop-filter:blur(18px);border-radius:24px;overflow:hidden;box-shadow:var(--shadow)}.launch-main{padding:clamp(30px,6vw,70px)}.launch-form{padding:34px;background:rgba(247,250,248,.86);border-left:1px solid #e2e8f0;display:flex;flex-direction:column;justify-content:center}.eyebrow{color:var(--excel);font-size:.73rem;font-weight:850;letter-spacing:.11em}.launch-card h1,.results h1{font-size:clamp(2.4rem,5.5vw,5rem);letter-spacing:-.05em;line-height:.96;margin:10px 0 18px}.launch-main p{color:#475467;line-height:1.75}.feature-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:24px}.feature-row span{padding:7px 10px;border:1px solid #dce5e0;border-radius:999px;background:#fff;color:#475467;font-size:.8rem}.launch-form label{display:block;font-weight:720;color:#344054;font-size:.86rem;margin-bottom:12px}.launch-form input{width:100%;min-height:44px;border:1px solid #cbd5e1;border-radius:9px;background:#fff;padding:0 11px;font-size:16px;margin-top:5px}.candidate-grid{display:grid;grid-template-columns:1fr 1fr;gap:9px}.mode-grid{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin:3px 0 13px}.mode-card{border:1px solid #d7e1dc;background:#fff;border-radius:11px;padding:12px;text-align:left}.mode-card strong,.mode-card span{display:block}.mode-card span{font-size:.72rem;color:#667085;margin-top:4px}.mode-card.selected{border-color:#6bb28b;background:#eef8f2;box-shadow:0 0 0 2px rgba(33,115,70,.08)}.microcopy{font-size:.74rem;color:#98a2b3;line-height:1.45}.primary,.secondary{min-height:39px;border-radius:8px;padding:8px 14px;font-weight:680}.primary{border:1px solid var(--excel);background:var(--excel);color:#fff}.primary:hover{background:var(--excel-dark)}.secondary{border:1px solid #d7dee7;background:#fff;color:#344054}.wide{width:100%}.questbar{display:grid;grid-template-columns:auto auto minmax(160px,1fr) auto auto;gap:18px;align-items:center;background:#10261a;color:#fff;border-radius:14px;padding:11px 16px;margin-bottom:12px}.questbar>div{display:flex;flex-direction:column;gap:1px;white-space:nowrap}.questbar span{color:#8db3a0;font-size:.64rem;letter-spacing:.08em;text-transform:uppercase}.questbar strong{font-size:.88rem}.progress-wrap{min-width:130px}.progress{height:7px;border-radius:999px;overflow:hidden;background:#2b4938}.progress div{height:100%;width:0;background:linear-gradient(90deg,#34d399,#60a5fa);transition:width .2s}.mission-card{border:1px solid rgba(255,255,255,.9);background:rgba(255,255,255,.91);backdrop-filter:blur(18px);border-radius:16px;padding:18px 21px;margin-bottom:12px;box-shadow:0 8px 28px rgba(15,23,42,.06)}.mission-top{display:flex;justify-content:space-between;gap:16px}.mission-top h2{margin:4px 0 0;font-size:1.3rem}.mark-pill{background:#eef3f0;color:#344054;border:1px solid #dfe7e2;padding:6px 9px;border-radius:999px;font-size:.75rem;white-space:nowrap}.mission-text{color:#344054;line-height:1.62;margin:11px 0}.checklist{display:grid;gap:4px;color:#667085;font-size:.83rem}.checklist div:before{content:"□";margin-right:8px;color:#98a2b3}.feedback{margin-top:12px;padding:10px 12px;border-radius:9px;font-size:.83rem;font-weight:650}.feedback.good{background:#ecfdf3;border:1px solid #bbf7d0;color:#166534}.feedback.bad{background:#fff1f0;border:1px solid #fecaca;color:#991b1b}.feedback.hint{background:#fffaeb;border:1px solid #fde68a;color:#92400e}.mission-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:13px}.excel-window{border:1px solid #bfc9c3;border-radius:11px;overflow:hidden;background:#fff;box-shadow:var(--shadow);min-height:650px}.excel-titlebar{height:38px;background:var(--excel);color:#fff;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;padding-left:10px}.quick{font-size:.78rem;opacity:.95}.workbook-title{font-size:.82rem;font-weight:620}.excel-window-buttons{justify-self:end;height:38px;display:flex}.excel-window-buttons span{width:44px;display:grid;place-items:center}.excel-tabs{height:36px;background:#fff;display:flex;align-items:end;padding:0 8px;border-bottom:1px solid #d7ded9}.excel-tab{height:35px;border:0;background:transparent;padding:0 14px;color:#344054;font-size:.8rem}.excel-tab.active{color:var(--excel);border-bottom:3px solid var(--excel);font-weight:700}.chart-context{color:#4f46e5}.ribbon{min-height:94px;display:flex;align-items:stretch;gap:0;background:#fff;border-bottom:1px solid #d9dfdc;overflow-x:auto;padding:6px 8px}.ribbon-group{min-width:max-content;padding:3px 10px;border-right:1px solid #e5e7eb;display:flex;flex-direction:column;justify-content:space-between}.ribbon-group:last-child{border-right:0}.ribbon-group-title{text-align:center;color:#7b8790;font-size:.65rem;margin-top:4px}.ribbon-controls{display:flex;align-items:center;gap:5px;height:58px}.ribbon-btn{border:1px solid transparent;background:#fff;border-radius:6px;min-width:52px;min-height:48px;padding:5px 7px;color:#344054;font-size:.69rem;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px}.ribbon-btn:hover{background:#f3f7f5;border-color:#dce5e0}.ribbon-btn .ico{font-size:1.25rem}.ribbon-select{min-height:31px;border:1px solid #cdd5d0;border-radius:5px;background:#fff;padding:0 7px;font-size:.75rem}.formula-row{height:34px;display:flex;align-items:center;border-bottom:1px solid #d9dfdc;background:#fff}.name-box{width:84px;border-right:1px solid #d9dfdc;height:100%;display:flex;align-items:center;padding:0 8px;font-size:.76rem}.fx{width:36px;text-align:center;color:#6b7280;font-style:italic}.formula-box{flex:1;height:100%;display:flex;align-items:center;border-left:1px solid #d9dfdc;padding:0 8px;color:#475467;font-size:.76rem}.excel-body{display:grid;grid-template-columns:minmax(430px,1.05fr) minmax(420px,.95fr) 280px;min-height:520px}.sheet-area,.chart-area{min-width:0;border-right:1px solid #d9dfdc;display:flex;flex-direction:column}.selection-tools{min-height:38px;display:flex;gap:8px;align-items:center;padding:5px 8px;background:#f7faf8;border-bottom:1px solid #dde4df;color:#667085;font-size:.74rem}.selection-tools strong{color:#185c37}.tiny-btn{border:1px solid #d6ded9;background:#fff;border-radius:6px;padding:5px 8px;color:#475467;font-size:.7rem}.grid-scroll{overflow:auto;flex:1;max-height:470px}.sheet-grid{border-collapse:separate;border-spacing:0;table-layout:fixed;min-width:690px;width:100%;user-select:none;font-size:.76rem}.sheet-grid th,.sheet-grid td{height:27px;border-right:1px solid #dfe5e1;border-bottom:1px solid #dfe5e1;padding:0 6px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;background:#fff}.sheet-grid thead th{position:sticky;top:0;z-index:4;background:#f4f7f5;text-align:center;color:#667085;font-weight:500}.sheet-grid .row-head{position:sticky;left:0;z-index:3;width:44px;background:#f4f7f5;text-align:center;color:#667085}.sheet-grid thead .row-head{z-index:5}.sheet-grid td.cell{cursor:cell}.sheet-grid td.selected{background:#d9eadf;outline:1px solid #5a9c76;outline-offset:-1px}.sheet-grid td.active-cell{outline:2px solid var(--excel);outline-offset:-2px}.sheet-tabs{height:34px;display:flex;align-items:center;background:#f5f7f6;border-top:1px solid #d9dfdc;padding:0 8px;gap:4px}.sheet-tab-indicator{display:flex;align-items:center;height:29px;padding:0 17px;background:#fff;border-bottom:2px solid var(--excel);color:#185c37;font-weight:650;font-size:.76rem;cursor:default;user-select:none}.plus-sheet{border:0;background:transparent;font-size:1.1rem}.plus-sheet:disabled{opacity:.38;cursor:not-allowed}.sheet-tabs #sheetStatus{margin-left:auto;color:#667085;font-size:.7rem}.chart-stage-toolbar{height:38px;display:flex;justify-content:space-between;align-items:center;padding:0 10px;background:#f7faf8;border-bottom:1px solid #dde4df;color:#667085;font-size:.74rem}.chart-stage{position:relative;flex:1;min-height:480px;padding:15px;background:linear-gradient(#fff,#fbfdfc)}.empty-chart{height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;color:#98a2b3;gap:5px}.empty-chart div{font-size:2.4rem}.chart-object{position:relative;width:100%;height:100%;min-height:430px;border:1px solid #9eb2a6;background:#fff;box-shadow:0 1px 2px rgba(0,0,0,.06);padding:48px 52px 48px}.chart-object.selected-chart{outline:2px solid #79a68d;outline-offset:2px}.chart-title-wrap{position:absolute;top:9px;left:55px;right:55px;text-align:center}.chart-title-text{font-size:1rem;font-weight:600;min-height:20px}.candidate-label{font-size:.62rem;color:#667085;margin-top:1px}.chart-object svg{width:100%;height:100%;overflow:visible}.chart-legend{position:absolute;right:8px;top:50%;transform:translateY(-50%);display:grid;gap:4px;font-size:.65rem;max-width:85px}.legend-item{display:flex;align-items:center;gap:5px}.legend-swatch{width:11px;height:11px;border:1px solid #888}.axis-title{position:absolute;font-size:.65rem;color:#475467}.x-axis-title{bottom:6px;left:50%;transform:translateX(-50%)}.primary-axis-title{left:5px;top:50%;transform:translateY(-50%) rotate(-90deg);transform-origin:center}.secondary-axis-title{right:1px;top:50%;transform:translateY(-50%) rotate(90deg);transform-origin:center}.task-pane{background:#fafcfb;display:flex;flex-direction:column;min-width:0}.pane-head{height:38px;padding:0 10px;border-bottom:1px solid #d9dfdc;display:flex;align-items:center;justify-content:space-between;font-size:.78rem}.pane-head button{border:0;background:transparent;font-size:1.1rem}.pane-content{padding:12px;overflow:auto;max-height:510px;font-size:.76rem;color:#475467}.pane-section{border-bottom:1px solid #e4e9e6;padding-bottom:12px;margin-bottom:12px}.pane-section h4{margin:0 0 8px;color:#344054;font-size:.8rem}.pane-content label{display:grid;gap:4px;margin:8px 0;font-weight:600;color:#475467}.pane-content input[type=text],.pane-content input[type=number],.pane-content select{width:100%;min-height:32px;border:1px solid #cdd5d0;border-radius:6px;padding:4px 6px;background:#fff;font-size:.76rem}.pane-content input[type=checkbox]{margin-right:6px}.inline-fields{display:grid;grid-template-columns:1fr 1fr;gap:7px}.pane-btn{width:100%;border:1px solid #cad4ce;background:#fff;border-radius:6px;padding:7px 8px;margin-top:5px;color:#344054;text-align:left}.pane-btn:hover{background:#f1f6f3}.sector-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:5px}.sector-btn{border:1px solid #d6ded9;background:#fff;border-radius:6px;padding:6px;font-size:.7rem}.sector-btn.active{background:#e4f2e9;border-color:#7ead90}.results{max-width:1050px;margin:28px auto;border:1px solid rgba(255,255,255,.9);background:rgba(255,255,255,.88);border-radius:22px;padding:clamp(26px,5vw,52px);box-shadow:var(--shadow)}.result-top{display:flex;align-items:center;gap:18px;margin:25px 0}.score-ring{width:112px;height:112px;border-radius:50%;border:11px solid #d7ebe0;display:grid;place-items:center;background:#fff}.score-ring span{font-size:1.5rem;font-weight:900;color:var(--excel)}.big-score{font-size:2rem;font-weight:900}.result-top p{color:#667085;margin:5px 0}.result-grid{display:grid;grid-template-columns:1fr 1.25fr;gap:14px}.result-panel{border:1px solid #e1e7e3;background:#fff;border-radius:13px;padding:16px}.skill-row{display:grid;grid-template-columns:130px 1fr auto;gap:8px;align-items:center;margin:10px 0;font-size:.8rem}.skill-track{height:7px;border-radius:999px;overflow:hidden;background:#e5e7eb}.skill-track div{height:100%;background:var(--excel)}.review-row{display:grid;grid-template-columns:1fr auto;gap:10px;border-bottom:1px solid #eef2ef;padding:9px 0;font-size:.8rem}.ok{color:#15803d;font-weight:800}.miss{color:#b42318;font-weight:800}.result-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:18px}.link-btn{display:inline-flex;align-items:center;text-decoration:none}.modal{position:fixed;inset:0;background:rgba(15,23,42,.43);backdrop-filter:blur(4px);display:grid;place-items:center;padding:16px;z-index:80}.dialog{width:min(520px,100%);background:#fff;border-radius:13px;padding:20px;box-shadow:0 24px 80px rgba(15,23,42,.25)}.dialog h3{margin:0 0 13px}.dialog-body{display:grid;gap:9px}.dialog label{display:grid;gap:4px;font-weight:650;color:#475467;font-size:.8rem}.dialog input,.dialog select{min-height:40px;border:1px solid #cbd5e1;border-radius:7px;padding:6px 8px;font-size:16px}.dialog-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:16px}.footer{text-align:center;color:#98a2b3;font-size:.76rem;padding:22px}
.pattern-diag{background:repeating-linear-gradient(45deg,#444 0 2px,#ddd 2px 6px)}.pattern-dots{background:radial-gradient(#444 1.5px,transparent 1.5px);background-size:6px 6px;background-color:#ddd}.pattern-cross{background:repeating-linear-gradient(45deg,#555 0 1px,transparent 1px 5px),repeating-linear-gradient(-45deg,#555 0 1px,#ddd 1px 5px)}.pattern-horizontal{background:repeating-linear-gradient(0deg,#555 0 2px,#ddd 2px 6px)}.pattern-vertical{background:repeating-linear-gradient(90deg,#555 0 2px,#ddd 2px 6px)}.pattern-gradient{background:linear-gradient(135deg,#222,#eee)}
@media(max-width:1150px){.excel-body{grid-template-columns:minmax(430px,1fr) minmax(390px,1fr)}.task-pane{grid-column:1/-1;border-top:1px solid #d9dfdc;max-height:280px}.pane-content{max-height:240px}.launch-card{grid-template-columns:1fr}.launch-form{border-left:0;border-top:1px solid #e2e8f0}.result-grid{grid-template-columns:1fr}}
@media(max-width:760px){.sitebar{grid-template-columns:1fr auto}.chapter-label{display:none}.shell{width:min(100% - 10px,1420px);margin-top:8px}.launch-main,.launch-form{padding:24px 20px}.candidate-grid,.mode-grid{grid-template-columns:1fr}.questbar{grid-template-columns:auto 1fr auto;gap:8px}.questbar>div:nth-child(2),.questbar>div:last-child{display:none}.mission-card{padding:16px}.mission-top{flex-direction:column}.mission-actions{justify-content:stretch}.mission-actions button{flex:1}.excel-titlebar{grid-template-columns:1fr auto}.workbook-title{justify-self:start;margin-left:8px}.quick{display:none}.excel-body{grid-template-columns:1fr}.sheet-area,.chart-area{border-right:0;border-bottom:1px solid #d9dfdc}.grid-scroll{max-height:360px}.chart-stage{min-height:430px}.task-pane{grid-column:1}.ribbon{min-height:88px}.selection-tools{flex-wrap:wrap}.result-top{align-items:flex-start}.skill-row{grid-template-columns:100px 1fr auto}}

.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}

/* Reliability & fidelity v2 */
.ribbon-btn:disabled{opacity:.42;cursor:not-allowed;background:#f6f7f7}.sheet-grid.no-gridlines th,.sheet-grid.no-gridlines td{border-color:transparent}.sheet-grid.no-gridlines thead th,.sheet-grid.no-gridlines .row-head{border-color:#dfe5e1}

/* Error 22: chart print-preview fidelity */
.ch16-print-layout{display:grid;grid-template-columns:170px minmax(0,1fr);gap:16px;align-items:start}.ch16-print-settings{display:grid;gap:10px}.ch16-print-settings label{display:grid;gap:5px;font-size:11px}.ch16-print-settings .primary{width:100%}.print-state-card{display:grid;gap:4px;padding:9px;border:1px solid #d8dee6;border-radius:7px;background:#f8fafc;font-size:10px}.ch16-print-preview{background:#dde3e9;padding:14px;overflow:auto}.ch16-print-page{background:#fff;width:min(720px,100%);min-height:470px;margin:auto;padding:24px;box-shadow:0 2px 10px #0002;position:relative}.ch16-print-page .chart-object{position:relative!important;inset:auto!important;width:100%!important;height:auto!important;min-height:380px!important;box-shadow:none!important;border:1px solid #cfd6df!important}.ch16-print-page .chart-object.hidden{display:none!important}.ch16-print-header,.ch16-print-footer{font-size:10px;color:#667085}.ch16-print-header{margin-bottom:8px}.ch16-print-footer{margin-top:8px;text-align:right}.ch16-empty-print{height:360px;display:grid;place-items:center;border:1px dashed #c5ccd5;color:#667085}@media(max-width:620px){.ch16-print-layout{grid-template-columns:1fr}.ch16-print-page{min-width:560px}}

/* Error 24: keep Excel Quick Access controls visible on phones. */
@media(max-width:760px){
  .excel-titlebar{grid-template-columns:auto minmax(0,1fr) auto!important;padding-left:6px}
  .quick{display:flex!important;gap:2px;min-width:0}
  .workbook-title{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin-left:4px!important}
  .excel-window-buttons{justify-self:end}
  .grid-scroll{overflow:auto;max-width:100%}
}