body.td-page{margin:0;background:var(--paper,#F9F8F4);color:var(--ink,#1A365D);font-family:Vazirmatn,Arial,sans-serif;font-weight:500;line-height:1.85}body.td-page [hidden]{display:none!important}body.td-page .sigil-defs{position:absolute;width:0;height:0;overflow:hidden}body.td-page .skip-link{position:fixed;inset-block-start:-120px;inset-inline-start:16px;z-index:200;background:var(--slip,#F3F4F6);padding:12px;color:var(--ink,#1A365D)}body.td-page .skip-link:focus{inset-block-start:8px}body.td-page .header{position:sticky;inset-block-start:0;z-index:20;background:var(--slip,#F3F4F6);border-bottom:1px solid var(--paper-rule,#E5E7EB)}body.td-page .header__inner{max-width:1200px;margin:auto;padding:12px 24px;min-height:68px;display:flex;align-items:center;justify-content:space-between;gap:24px}body.td-page .header__start,body.td-page .header__brand,body.td-page .header__nav{display:flex;gap:16px;align-items:center;min-width:0}body.td-page .header__brand{white-space:nowrap;font-size:14px;font-weight:700}body.td-page .header__trail{font-size:13px}body.td-page .header__sigil,body.td-page .footer__sigil{width:24px;height:24px;flex:none}body.td-page .header__nav a{min-height:44px;display:inline-flex;align-items:center;padding-inline:12px}body.td-page .header__rail{display:none}
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body.td-page .td-contents{margin-top:24px;border-block:1px solid var(--paper-rule,#E5E7EB)}body.td-page .td-contents details{padding:14px 0}body.td-page .td-contents summary{min-height:44px;display:flex;align-items:center;justify-content:space-between;gap:12px;cursor:pointer;font-weight:700}body.td-page #lbar-current{font-size:13px;color:var(--ink-meta,#6B7280)}body.td-page #lbar-fill{inline-size:40px;height:2px;background:var(--paper-rule,#E5E7EB)}body.td-page #lbar-sheet ol{margin:12px 0 0;padding-inline-start:20px;display:grid;gap:8px}body.td-page #lbar-sheet a{display:inline-flex;align-items:center;min-height:44px;text-underline-offset:4px}body.td-page .td-rail{display:none}
body.td-page .td-worked{max-width:880px;margin-inline:auto}body.td-page .td-bench{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:24px}body.td-page .td-bench>div,body.td-page .td-case,body.td-page .td-transfer,body.td-page .td-keys{border:1px solid var(--paper-rule,#E5E7EB);background:var(--slip,#F3F4F6)}body.td-page .td-bench>div{padding:16px}body.td-page .td-source,body.td-page .td-question{margin-top:8px!important;color:var(--ink,#1A365D);font-family:var(--font-en,Arial,sans-serif);line-height:1.7}body.td-page .td-question{font-weight:700}body.td-page .td-change{display:grid;gap:6px;margin-top:14px!important;padding-inline-start:16px;border-inline-start:2px solid var(--ink,#1A365D);color:var(--ink-soft,#374151)}body.td-page .td-worked details,body.td-page .td-section details{margin-top:20px;padding:12px 16px;border-block:1px solid var(--paper-rule,#E5E7EB)}body.td-page .td-worked summary,body.td-page .td-section summary,body.td-page .td-keys summary,body.td-page #transfer-key summary{min-height:44px;display:flex;align-items:center;cursor:pointer;font-weight:700;color:var(--ink,#1A365D)}body.td-page details p{margin-top:12px!important;color:var(--ink-soft,#374151)}body.td-page .td-figure{margin:0;max-width:280px}body.td-page .td-figure img{display:block;width:min(100%,280px);height:auto}body.td-page .td-figure figcaption{margin-top:12px;font-size:13px;color:var(--ink-meta,#6B7280)}body.td-page .td-families{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:24px}body.td-page .td-families details{margin:0!important;background:var(--slip,#F3F4F6)}body.td-page .td-steps{margin:24px 0 0;padding-inline-start:24px;display:grid;gap:8px;font-size:18px;color:var(--ink-soft,#374151)}body.td-page .td-closing{padding-block:32px;border-block:1px solid var(--paper-rule,#E5E7EB)}
body.td-page .td-practice>header>p:last-child{margin-top:16px!important;color:var(--ink-soft,#374151)}body.td-page #audit-card{display:grid;gap:20px;margin-top:28px}body.td-page .td-case{min-inline-size:0;margin:0;padding:20px}body.td-page .td-case legend{padding-inline:4px;font-weight:700;color:var(--ink,#1A365D)}body.td-page .td-choice{display:block;margin-top:10px;padding:12px;border:1px solid var(--paper-rule,#E5E7EB);background:var(--paper,#F9F8F4);cursor:pointer}body.td-page .td-choice:has(input:checked){border-color:var(--ink,#1A365D)}body.td-page .td-choice input{margin-inline-end:8px;accent-color:var(--ink,#1A365D)}body.td-page .td-feedback,body.td-page .td-status{min-height:28px;margin-top:16px!important;color:var(--ink-soft,#374151)}body.td-page .td-score{margin-top:20px;padding:16px;border-inline-start:3px solid var(--ink,#1A365D);background:var(--slip,#F3F4F6)}body.td-page .td-score p+p{margin-top:8px!important}body.td-page #first-panel{margin-top:16px;padding:16px;border:1px solid var(--paper-rule,#E5E7EB)}body.td-page .td-keys{display:none;margin-top:24px;padding:16px}body.td-page #practice-form:valid .td-keys{display:block}html.td-js body.td-page #practice-form .td-keys{display:none}html.td-js body.td-page #practice-form .td-keys.td-key-ready{display:block}body.td-page .td-keys ol{margin:16px 0 0;padding-inline-start:24px;display:grid;gap:16px}body.td-page .td-enhanced{display:none}html.td-js body.td-page .td-enhanced{display:inline-flex}
body.td-page .td-transfer{padding:28px;border-block:1px solid var(--paper-rule,#E5E7EB)}body.td-page .td-transfer>p:not(.td-label){margin-top:14px!important;color:var(--ink-soft,#374151)}body.td-page #transfer-form{margin-top:24px}body.td-page #transfer-form label{display:block;margin-top:16px;font-weight:700;color:var(--ink,#1A365D)}body.td-page #transfer-form input{width:100%;min-height:52px;margin-top:8px;padding:12px;border:1px solid var(--ink-soft,#374151);border-radius:0;background:var(--white,#FFFFFF);color:var(--ink,#1A365D);font:inherit}body.td-page #transfer-key{display:none;margin-top:20px;padding:16px;border:1px solid var(--paper-rule,#E5E7EB);background:var(--slip,#F3F4F6)}body.td-page #transfer-form:valid+#transfer-key{display:block}html.td-js body.td-page #transfer-key{display:none}html.td-js body.td-page #transfer-key.td-key-ready{display:block}body.td-page .td-read{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:56px;padding-top:24px;border-top:1px solid var(--paper-rule,#E5E7EB)}body.td-page .td-read .td-status{margin:0!important}body.td-page .td-print-answers{display:none}
body.td-page .footer{border-top:1px solid var(--paper-rule,#E5E7EB);background:var(--slip,#F3F4F6);padding:40px 24px}body.td-page .footer__inner{max-width:1140px;margin:auto;display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:24px}body.td-page .footer__brand,body.td-page .footer__nav{display:flex;gap:16px;align-items:center;flex-wrap:wrap}body.td-page .footer a{color:var(--ink,#1A365D);font-size:14px}body.td-page .footer__wordmark{font-weight:700}body.td-page .footer__copy{font-size:13px;color:var(--ink-meta,#6B7280)}
@media(max-width:768px){body.td-page .td{padding:0 24px 48px}body.td-page .td h1{font-size:48px}body.td-page .td h2{font-size:36px}body.td-page .td-intro{padding:48px 0}body.td-page .td-worked,body.td-page .td-bench,body.td-page .td-families{grid-template-columns:1fr;gap:24px}body.td-page .td-section,body.td-page .td-worked,body.td-page .td-practice,body.td-page .td-transfer,body.td-page .td-closing{margin-top:56px}body.td-page .header__inner{padding:8px 16px;gap:16px}body.td-page .header__nav{gap:4px}body.td-page .header__nav a{padding-inline:8px}body.td-page .header__sigil,body.td-page .header__trail{display:none}body.td-page .header__brand{font-size:13px}body.td-page .header__rail{display:flex;gap:12px;padding:8px 16px;font-size:12px;border-top:1px solid var(--paper-rule,#E5E7EB)}}@media(max-width:600px){body.td-page .td-actions{align-items:stretch;flex-direction:column}body.td-page .td-actions .fm-action{width:100%}}@media(max-width:390px){body.td-page .td{padding-inline:16px}body.td-page .td h1{font-size:44px}}
@media(prefers-reduced-motion:reduce){body.td-page .td,body.td-page .td *,body.td-page .td *::before,body.td-page .td *::after{animation-duration:0s!important;transition-duration:0s!important;scroll-behavior:auto!important}}@media print{body.td-page>header,body.td-page>footer,body.td-page>.skip-link,body.td-page>#progress,body.td-page>svg,body.td-page #lbar,body.td-page #lrail,body.td-page .td-intro,body.td-page .td-worked,body.td-page .td-section,body.td-page .td-closing,body.td-page .td-read,body.td-page .td-actions,body.td-page .td-keys{display:none!important}body.td-page .td{max-width:none;padding:0;color:var(--ink,#1A365D)}body.td-page .td-practice,body.td-page .td-transfer{margin-top:0;padding-top:0}body.td-page .td-case,body.td-page .td-transfer{break-inside:avoid;border-color:var(--ink-soft,#374151)}body.td-page .td-choice{min-height:38px}body.td-page .td-print-answers{display:block;break-before:page;page-break-before:always}}

/* Root integration: explanatory opening, native states and separated print answers. */
body.td-page .td-intro{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:56px;align-items:center}
body.td-page .td-visual{margin:0;padding-block:40px;text-align:center}body.td-page .td-visual img{display:block;width:min(100%,240px);height:auto;margin:8px auto}body.td-page .td-visual figcaption{margin-top:24px;font-size:14px;text-align:start}body.td-page .td-visual figcaption strong{font-weight:700}body.td-page .td-visual figcaption p{margin-top:8px;color:var(--ink-soft,#374151)}
body.td-page .td-case+.td-case{margin-top:28px}body.td-page .td-section,body.td-page .td-closing{max-width:880px;margin-inline:auto}
body.td-page .td-resources{margin-top:72px;padding-top:32px;border-top:1px solid var(--paper-rule,#E5E7EB)}body.td-page .td-resources p{margin-top:20px}body.td-page .td-resources a{display:inline-flex;align-items:center;min-height:44px;text-underline-offset:5px}body.td-page .td-resources details{margin-top:20px}body.td-page .td-resources summary{min-height:44px;cursor:pointer}body.td-page .td-next-links{display:flex;flex-wrap:wrap;gap:24px;margin-top:24px}body.td-page .td-print-recap{display:none}
@media(max-width:768px){body.td-page .td-intro{grid-template-columns:1fr;gap:16px}body.td-page .td-visual{max-width:360px;padding-block:24px;margin:auto}body.td-page .td-visual img{width:220px}body.td-page .td-transfer{padding:20px}body.td-page .td-case{padding:16px}}
@media print{body.td-page #transfer-key,body.td-page #first-panel,body.td-page .td-score,body.td-page .td-status,body.td-page .td-feedback,body.td-page .td-enhanced,body.td-page .td-resources{display:none!important}body.td-page .td-print-recap{display:block;margin-bottom:24px}body.td-page .td-print-answers{display:block!important;break-before:page;page-break-before:always}body.td-page .td-print-answers li{break-inside:avoid;margin-block:20px}body.td-page .td-print-credit{font-weight:700;margin-top:24px}}