main{max-width:1250px}.biz-stack{display:grid;gap:20px}.biz-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.biz-grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}.biz-panel{background:var(--white);border:1px solid var(--line);border-radius:13px;padding:25px;min-width:0}.biz-panel>p,.biz-panel>ul,.biz-panel>ol{margin-top:13px}.biz-panel h3+p{margin-top:9px}.biz-panel p,.biz-panel li{font-size:14px}.biz-panel ul,.biz-panel ol{padding-left:22px}.biz-panel li+li{margin-top:8px}.biz-panel h2{font-size:25px}.biz-panel .eyebrow{color:var(--accent);font-size:10px;margin-bottom:10px}.biz-callout{background:var(--soft);border:1px solid var(--line);border-radius:9px;padding:16px;font-size:13px;margin:15px 0;line-height:1.75}.biz-callout.warn{background:var(--error-bg);color:var(--error-text)}.biz-actions{display:flex;flex-wrap:wrap;gap:9px;margin-top:20px;align-items:center}.biz-label{display:grid;gap:7px;font-size:12px;font-weight:600;min-width:0}.biz-label input,.biz-label select,.biz-label textarea,.biz-search{width:100%;border:1px solid var(--line);color:var(--ink);background:var(--paper);border-radius:7px;padding:10px 12px}.biz-label textarea{min-height:125px;resize:vertical;font-weight:400;line-height:1.7}.biz-label small{font-weight:400;color:var(--muted)}.biz-label input[type=range]{padding:0;accent-color:var(--accent)}.biz-check{display:flex;gap:10px;align-items:flex-start;font-size:13px;padding:9px 0}.biz-check input{flex-shrink:0;margin-top:5px;accent-color:var(--accent)}.biz-mini{font-size:12px!important;color:var(--muted)}.biz-source{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px;font-size:11px;color:var(--accent)}.biz-source a{border-bottom:1px solid var(--line);text-decoration:none}.biz-progress{height:6px;background:var(--soft);border-radius:10px;overflow:hidden;margin:17px 0}.biz-progress i{display:block;background:var(--accent);height:100%}.biz-kpis{display:grid;grid-template-columns:repeat(3,1fr);margin:22px 0;gap:12px}.biz-kpis div{padding:18px;background:var(--white);border:1px solid var(--line);border-radius:10px}.biz-kpis strong{display:block;font:32px Georgia,serif}.biz-kpis span{font-size:11px;color:var(--muted)}.biz-options{display:grid;gap:10px;margin:22px 0}.biz-option{display:flex;align-items:flex-start;gap:12px;padding:15px 16px;text-align:left;border:1px solid var(--line);border-radius:9px;color:var(--ink);background:var(--white);width:100%;font-size:14px;line-height:1.6}.biz-option>span:first-child{font-size:11px;border:1px solid var(--line);border-radius:5px;padding:1px 6px;flex-shrink:0}.biz-option:hover:not(:disabled){background:var(--tile-hover);border-color:var(--accent)}.biz-option.selected{background:var(--selected);border-color:var(--accent)}.biz-option.correct{border-color:var(--success-text);background:var(--success-bg)}.biz-option.incorrect{border-color:var(--error-text);background:var(--error-bg)}.biz-option:disabled{opacity:1}.biz-feedback{border:1px solid var(--line);background:var(--soft);padding:20px;border-radius:10px;margin-top:20px}.biz-feedback.good{background:var(--success-bg);border-color:var(--success-text)}.biz-feedback.miss{background:var(--error-bg);border-color:var(--error-text)}.biz-feedback h3{margin-bottom:8px}.biz-feedback p{font-size:14px;white-space:pre-line}.biz-feedback .biz-callout{background:var(--white)}.biz-problem h2{font-size:27px;line-height:1.4;margin:15px 0 20px;letter-spacing:-.3px}.biz-meta{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:11px;color:var(--muted)}.biz-fields{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:15px;margin:22px 0}.biz-table-wrap{overflow-x:auto;margin:18px 0}.biz-table{border-collapse:collapse;width:100%;font-size:13px;text-align:right;background:var(--white)}.biz-table th,.biz-table td{border-bottom:1px solid var(--line);padding:10px 12px;white-space:nowrap}.biz-table th{font-size:11px;color:var(--muted);font-weight:600}.biz-table th:first-child,.biz-table td:first-child{text-align:left}.biz-table caption{text-align:left;font-size:12px;padding:0 0 8px;color:var(--muted)}.biz-graph{width:100%;max-width:650px;height:auto;display:block;margin:10px auto;color:var(--ink)}.biz-graph text{fill:var(--ink);font-size:12px;font-family:inherit}.biz-graph .axis{stroke:var(--muted);stroke-width:1.5}.biz-graph .grid{stroke:var(--line);stroke-width:1}.biz-graph .original{stroke-dasharray:7 5;opacity:.45}.biz-graph .guide{stroke:var(--muted);stroke-dasharray:4 4;stroke-width:1}.biz-graph .dot{fill:var(--ink)}.biz-graph .price-line{stroke:var(--accent);stroke-width:2;stroke-dasharray:5 3}.graph-controls{display:grid;gap:18px}.graph-legend{display:flex;flex-wrap:wrap;gap:15px;font-size:12px}.graph-legend span:before{content:'';width:23px;height:3px;display:inline-block;background:#508cd0;vertical-align:middle;margin-right:7px}.graph-legend span:nth-child(2):before{background:#bf713e}.biz-tabs{display:flex;gap:7px;flex-wrap:wrap;margin:15px 0 22px}.biz-tabs .active{border-color:var(--accent);background:var(--selected)}.biz-lesson summary{cursor:pointer;display:flex;align-items:center;gap:14px;list-style:none;padding:22px}.biz-lesson summary::-webkit-details-marker{display:none}.biz-lesson summary:after{content:'+';margin-left:auto;color:var(--accent);font-size:24px}.biz-lesson[open] summary:after{content:'−'}.biz-lesson{border:1px solid var(--line);background:var(--white);border-radius:11px;margin-bottom:12px}.biz-lesson summary h2{font-size:23px}.biz-lesson summary small{display:block;color:var(--muted);margin-top:6px}.biz-lesson-body{padding:0 24px 24px}.biz-lesson-body p{margin:13px 0;font-size:14px;line-height:1.85}.biz-lesson-body .biz-actions{margin-top:12px}.biz-lesson-num{font:26px Georgia,serif;color:var(--accent)}.biz-plan{counter-reset:step;list-style:none;padding:0!important}.biz-plan li{counter-increment:step;display:grid;grid-template-columns:30px 1fr;gap:12px;border-bottom:1px solid var(--line);padding:13px 0;margin:0!important}.biz-plan li:before{content:counter(step,decimal-leading-zero);color:var(--accent);font-size:12px;padding-top:3px}.biz-plan li:last-child{border:0}.biz-plan small{display:block;color:var(--muted)}.biz-due{color:var(--error-text)}.biz-mock-bar{position:sticky;top:0;z-index:5;display:flex;align-items:center;justify-content:space-between;gap:15px;background:var(--green);color:#fff;padding:14px 20px;border-radius:9px;margin-bottom:20px}.biz-time{font:28px Georgia,serif;white-space:nowrap;font-variant-numeric:tabular-nums}.biz-mock-bar small{display:block;font-size:10px}.biz-mock-nav{display:flex;flex-wrap:wrap;gap:7px;margin:15px 0}.biz-mock-nav button{background:var(--white);color:var(--ink);border:1px solid var(--line);border-radius:6px;width:36px;height:36px;font-size:12px}.biz-mock-nav button.answered{background:var(--selected)}.biz-mock-nav button.active{border:2px solid var(--accent)}.biz-notecard{min-height:260px;break-inside:avoid;background:var(--white);border:1px solid var(--line);border-radius:9px;padding:21px}.biz-notecard h3{font-size:15px}.biz-notecard .eyebrow{font-size:9px;margin-bottom:7px;color:var(--muted)}.biz-notecard ul{padding-left:17px;margin:12px 0 0}.biz-notecard li{font-size:12px;line-height:1.7;margin:5px 0}.biz-hidden{display:none!important}.biz-error{color:var(--error-text);font-size:13px;margin-top:12px}.biz-recall-answer{font-size:20px!important;line-height:1.65!important}.biz-original{width:100%;max-width:900px;margin:15px 0;border:1px solid var(--line)}.biz-topic-row{display:grid;grid-template-columns:1fr auto;gap:8px;padding:12px 0;border-bottom:1px solid var(--line);font-size:13px}.biz-topic-row:last-child{border:0}.biz-topic-row small{display:block;color:var(--muted)}.biz-topic-row .btn{align-self:center}.biz-blank{padding:40px 25px;text-align:center}.biz-switch{display:flex;gap:8px;flex-wrap:wrap}.biz-switch button{min-width:65px}.biz-lab-outcome{font-size:18px!important}.biz-score-list{display:grid;gap:13px;margin-top:20px}.biz-score-list details{padding:18px;background:var(--white);border:1px solid var(--line);border-radius:9px}.biz-score-list summary{cursor:pointer;font-size:14px}.biz-score-list p{font-size:13px;margin-top:12px}.biz-guide table{font-size:12px}.biz-guide h2{margin:25px 0 10px}.biz-guide h3{margin:14px 0 6px}.biz-guide p{margin:9px 0;font-size:13px}.biz-guide section{break-inside:avoid}.biz-guide .biz-notecard{min-height:0}.biz-guide .biz-grid{gap:14px}.biz-plans strong{font-size:14px}.biz-plan-note{font-size:12px;color:var(--muted);margin-top:16px}.biz-guide-only{display:none}
@media(max-width:1050px){.biz-grid.three{grid-template-columns:1fr}.biz-grid{gap:15px}.biz-panel{padding:20px}.biz-problem h2{font-size:24px}}
@media(max-width:720px){.biz-grid{grid-template-columns:1fr}.biz-kpis{gap:7px}.biz-kpis div{padding:13px}.biz-kpis strong{font-size:26px}.biz-problem h2{font-size:23px}.biz-panel{padding:20px 17px}.biz-options{margin:18px 0}.biz-option{padding:13px 12px}.biz-table th,.biz-table td{padding:9px 8px}.biz-lesson summary{padding:18px 16px}.biz-lesson summary h2{font-size:21px}.biz-lesson-body{padding:0 18px 18px}.biz-mock-bar{padding:12px;gap:8px}.biz-mock-bar .btn{padding:8px 10px;font-size:11px}.biz-fields{grid-template-columns:1fr}.biz-meta{font-size:10px}.biz-feedback{padding:16px}.biz-time{font-size:24px}.biz-topic-row{font-size:12px}}
@media print{.biz-no-print,.biz-actions,.biz-source{display:none!important}.biz-grid{grid-template-columns:1fr 1fr;gap:12px}.biz-guide-only{display:block}.biz-notecard{background:white;border-color:#ccc;padding:12px;min-height:0}.biz-notecard li{font-size:9px;line-height:1.5}.biz-notecard h3{font-size:12px}.biz-guide p{font-size:10px}.biz-guide h2{font-size:17px}.biz-guide h3{font-size:12px}.biz-guide .page-break{break-before:page}.biz-guide{color:#111}.biz-guide .biz-callout{font-size:10px}.biz-guide section{break-inside:auto}.biz-guide .biz-lesson-print{break-inside:avoid}.biz-guide main{padding:0}.biz-guide .biz-panel{padding:12px}.biz-guide ul{font-size:10px}.biz-guide .biz-table{font-size:10px}}
@media print{.skip-link{display:none!important}main:focus{outline:none!important}.biz-grid>.biz-notecard{break-inside:avoid}}
.biz-graph .revenue{stroke:#508cd0;stroke-width:3}.biz-graph .cost{stroke:#bf713e;stroke-width:3}.biz-graph .loss-zone{fill:#c0504d;opacity:.12}.biz-graph .profit-zone{fill:#4f9a5b;opacity:.16}.biz-graph .q-line{stroke:var(--accent);stroke-width:2;stroke-dasharray:5 3}.biz-graph .dot.ghost{opacity:.4}.biz-graph .lbl-r{fill:#3f78bb}.biz-graph .lbl-c{fill:#a8602f}.biz-graph .lbl-profit{fill:var(--success-text);font-weight:700}.biz-graph .lbl-loss{fill:var(--error-text);font-weight:700}
.biz-lab-readout{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px;margin-top:12px}.biz-lab-readout div{background:var(--soft);border:1px solid var(--line);border-radius:8px;padding:10px 12px}.biz-lab-readout small{display:block;font-size:10px;color:var(--muted);text-transform:uppercase;letter-spacing:1px}.biz-lab-readout strong{font-size:13px;font-variant-numeric:tabular-nums}
.biz-good{color:var(--success-text)}.biz-bad{color:var(--error-text)}.biz-tag{font-size:10px;border:1px solid var(--line);border-radius:10px;padding:1px 7px;color:var(--muted);margin-left:4px}.biz-guide-list li{font-size:13px}
.biz-match-board{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:14px;margin-top:16px}.biz-match-board>div{display:grid;gap:9px;align-content:start}.biz-match{text-align:left;border:1px solid var(--line);background:var(--white);color:var(--ink);border-radius:9px;padding:13px 15px;font-size:14px;line-height:1.5;min-height:52px}.biz-match:hover:not(:disabled){border-color:var(--accent);background:var(--tile-hover)}.biz-match.selected{border-color:var(--accent);background:var(--selected);box-shadow:0 0 0 1px var(--accent)}.biz-match.done{opacity:.35;text-decoration:line-through}
.biz-buckets{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0}.biz-buckets .biz-option{width:auto;flex:1 1 140px;justify-content:center;font-weight:600}
.biz-tabs a.btn{text-decoration:none}.biz-feedback p+p{margin-top:8px}
@media(max-width:720px){.biz-match-board{grid-template-columns:1fr 1fr;gap:8px}.biz-match{font-size:12px;padding:10px}.biz-lab-readout{grid-template-columns:1fr 1fr}}
.biz-table-wrap{max-width:620px}
.biz-graph .gap-profit{stroke:var(--success-text);stroke-width:5;stroke-linecap:round}.biz-graph .gap-loss{stroke:var(--error-text);stroke-width:5;stroke-linecap:round}.biz-graph .lbl-be{font-weight:700}