/* TOOLS91: scoped, responsive educational workspace. Stage colors use the existing identity tokens. */
.et91-root,.et91-share-layer{--et91-ink:#17283f;--et91-muted:#53647a;--et91-paper:#fff;--et91-line:#dbe3ee;--et91-brand:var(--b11-action-light,#3730a3);--et91-on:var(--b11-on-action-light,#fff);--et91-soft:var(--b11-soft-light,#f0f2fb);--et91-bg:var(--b11-page-light,#f7f8fc);font-family:B16Alexandria,Alexandria,Arial,Tahoma,sans-serif;direction:rtl;color:var(--et91-ink);font-size:15px;line-height:1.9;text-align:right;box-sizing:border-box}
.et91-root *,.et91-share-layer *{box-sizing:border-box;min-width:0}.et91-root [hidden],.et91-share-layer[hidden],.et91-share-layer [hidden]{display:none!important}.et91-root{max-width:1180px;margin:26px auto 50px;padding:0 24px}.et91-root p,.et91-root h1,.et91-root h2,.et91-root h3{overflow-wrap:anywhere}.et91-root a{color:var(--et91-brand)}.et91-root h1{font-size:clamp(26px,4vw,39px);font-weight:800;line-height:1.55;margin:8px 0 12px}.et91-root h2{font-size:21px;font-weight:750;line-height:1.7;margin:0 0 12px}.et91-root h3{font-size:17px;font-weight:700;margin:0 0 9px}.et91-root p{margin:0 0 12px;white-space:pre-line}.et91-muted,.et91-endnote{color:var(--et91-muted)}.et91-breadcrumb{display:flex;flex-wrap:wrap;gap:7px 12px;align-items:center;font-size:12px;margin-bottom:20px;color:var(--et91-muted)}.et91-breadcrumb a{display:inline-flex;min-height:36px;align-items:center;text-decoration:none}.et91-hero{padding:32px;border:1px solid var(--et91-line);border-radius:24px;background:linear-gradient(125deg,var(--et91-paper),var(--et91-soft));margin-bottom:25px}.et91-hero>p{max-width:800px;font-size:16px;color:var(--et91-muted)}.et91-eyebrow{font-size:12px;color:var(--et91-brand);font-weight:750}.et91-hero-pills{display:flex;flex-wrap:wrap;gap:9px;margin-top:20px}.et91-hero-pills span{padding:5px 13px;border-radius:25px;background:var(--et91-paper);border:1px solid var(--et91-line);font-size:12px;font-weight:650}.et91-filters{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:14px;padding:22px;background:var(--et91-paper);border:1px solid var(--et91-line);border-radius:18px;margin-bottom:28px;align-items:end}.et91-filters label,.et91-field{display:flex;flex-direction:column;gap:7px;font-size:13px;font-weight:700}.et91-root input,.et91-root select,.et91-root textarea{width:100%;min-height:47px;padding:10px 12px;border:1px solid var(--et91-line);border-radius:11px;background:var(--et91-paper);color:var(--et91-ink);font:inherit;line-height:1.6}.et91-root input[inputmode=decimal]{direction:ltr;text-align:right;font-variant-numeric:tabular-nums}.et91-root input::placeholder{color:var(--et91-muted);opacity:.8}.et91-button,.et91-share-layer button,.et91-share-layer a{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;border:1px solid var(--et91-brand);border-radius:11px;padding:10px 18px;background:var(--et91-brand);color:var(--et91-on)!important;text-decoration:none;cursor:pointer;font:700 13px/1.7 B16Alexandria,Alexandria,Tahoma,sans-serif}.et91-button--quiet,.et91-share-layer .et91-button--quiet{background:var(--et91-paper);border-color:var(--et91-line);color:var(--et91-brand)!important}.et91-button:hover,.et91-share-layer button:hover,.et91-share-layer a:hover{filter:brightness(.96)}.et91-button:disabled,.et91-share-layer button:disabled{opacity:.55;cursor:wait}.et91-root a:focus-visible,.et91-root button:focus-visible,.et91-root input:focus-visible,.et91-root select:focus-visible,.et91-root textarea:focus-visible,.et91-share-layer a:focus-visible,.et91-share-layer button:focus-visible,.et91-share-layer textarea:focus-visible{outline:3px solid var(--et91-brand);outline-offset:3px}.et91-reset{display:inline-flex;align-items:center;min-height:44px;font-size:12px;text-decoration:underline;text-underline-offset:4px}.et91-list-heading{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px;margin-bottom:16px}.et91-list-heading h2{margin:0}.et91-list-heading>span{font-size:12px;color:var(--et91-muted)}.et91-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.et91-card{display:flex;flex-direction:column;border:1px solid var(--et91-line);border-top:4px solid var(--et91-brand);border-radius:18px;padding:23px;background:var(--et91-paper)}.et91-card-icon{display:inline-flex;align-items:center;justify-content:center;width:54px;height:54px;flex:0 0 54px;background:var(--et91-soft);color:var(--et91-brand);border-radius:15px;margin-bottom:15px}.et91-card-icon svg{width:31px;height:31px}.et91-card h2{font-size:19px}.et91-card h2>a{color:var(--et91-ink);text-decoration:none}.et91-card h2>a:hover{text-decoration:underline;text-underline-offset:4px}.et91-card>p{font-size:13px;color:var(--et91-muted)}.et91-audience{margin:14px 0 22px}.et91-audience>strong{font-size:12px;display:block;margin-bottom:7px}.et91-chips{display:flex;flex-wrap:wrap;gap:6px}.et91-chip{border:1px solid var(--et91-line);background:var(--et91-soft);color:var(--et91-ink);border-radius:8px;padding:5px 9px;font-size:11px;line-height:1.7;overflow-wrap:anywhere}.et91-card .et91-audience{margin:6px 0 16px}.et91-card-open{margin-top:auto;align-self:flex-start}.et91-pagination{display:flex;justify-content:center;align-items:center;flex-wrap:wrap;gap:14px;margin-top:28px}.et91-pagination>span{font-size:13px;color:var(--et91-muted)}.et91-empty{padding:35px 24px;border:1px dashed var(--et91-line);border-radius:20px;background:var(--et91-paper);margin:22px 0}.et91-empty p{color:var(--et91-muted)}.et91-tool-hero{display:flex;align-items:flex-start;gap:20px}.et91-tool-hero .et91-card-icon{width:68px;height:68px;flex-basis:68px;margin:0}.et91-tool-hero .et91-card-icon svg{width:38px;height:38px}.et91-tool-hero h1{font-size:clamp(25px,3.4vw,35px);margin-top:5px}.et91-tool-hero p{color:var(--et91-muted)}.et91-intro,.et91-rule-intro{padding:24px;border:1px solid var(--et91-line);border-radius:17px;background:var(--et91-paper);margin:20px 0}.et91-intro ul{margin:10px 0 0;padding-inline-start:24px}.et91-intro li{margin:5px 0}.et91-rule-intro{border-inline-start:4px solid var(--et91-brand);background:var(--et91-soft)}.et91-rule-intro p{margin:0}.et91-workspace{padding:28px;border:1px solid var(--et91-line);border-radius:22px;background:var(--et91-paper);margin:26px 0}.et91-workspace>header{display:flex;gap:12px;align-items:center;margin-bottom:20px}.et91-workspace>header h2{margin:0}.et91-step{display:inline-flex;align-items:center;justify-content:center;width:35px;height:35px;border-radius:50%;background:var(--et91-brand);color:var(--et91-on);font-weight:750;flex:0 0 35px}.et91-mode{display:block;max-width:620px;margin-bottom:20px}.et91-mode>span{display:block;font-weight:750;margin-bottom:8px}.et91-mode-note{font-size:13px;color:var(--et91-muted);margin:0 0 18px!important}.et91-fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.et91-field--text{grid-column:1/-1}.et91-field small{font-size:11px;line-height:1.8;color:var(--et91-muted);font-weight:400}.et91-field-title{display:flex;justify-content:space-between;gap:8px}.et91-field-unit{font-size:11px;color:var(--et91-muted);font-weight:500}.et91-form-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}.et91-form-actions>.et91-button:first-child{min-width:180px}.et91-error{padding:13px 16px;border:1px solid #dc9898;background:#fff2f2;color:#8e2525;border-radius:12px;margin:18px 0 0!important;white-space:pre-line}.et91-result{border-top:1px solid var(--et91-line);margin-top:28px;padding-top:26px}.et91-result h2:focus{outline:2px solid var(--et91-brand);outline-offset:5px;border-radius:4px}.et91-outputs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:18px 0 24px}.et91-output{padding:18px;border:1px solid var(--et91-line);border-radius:14px;background:var(--et91-soft)}.et91-output>span{display:block;color:var(--et91-muted);font-size:12px}.et91-output>strong{display:block;font-size:25px;font-weight:800;line-height:1.7;overflow-wrap:anywhere;unicode-bidi:plaintext}.et91-output small{font-size:14px;font-weight:600}.et91-result-block{margin-top:24px}.et91-result-block ol,.et91-result-block ul{padding-inline-start:25px}.et91-result-block li{margin:10px 0;padding-inline-start:4px;overflow-wrap:anywhere}.et91-result-block li>p{margin:3px 0}.et91-math{display:block;direction:ltr;text-align:center;overflow:auto;font-size:18px;padding:11px;margin:10px 0;background:var(--et91-bg);border-radius:8px;max-width:100%}.et91-checks{padding:16px 20px;border-radius:12px;background:var(--et91-soft);border:1px solid var(--et91-line)}.et91-checks ul{margin:0}.et91-warning{padding:13px 16px;border:1px solid #d6b771;background:#fff8e5;color:#634a18;border-radius:12px}.et91-diagram{padding:18px;border:1px solid var(--et91-line);border-radius:15px;margin:22px 0;background:var(--et91-bg);text-align:center;overflow:auto}.et91-diagram figcaption{font-size:12px;color:var(--et91-muted);margin-top:9px}.et91-diagram svg{display:block;max-width:100%;width:420px;height:auto;margin:auto;color:var(--et91-brand);overflow:visible}.et91-diagram svg text{font-family:Alexandria,Tahoma,Arial,sans-serif;fill:var(--et91-ink);font-size:13px;direction:rtl;unicode-bidi:plaintext}.et91-diagram svg .et91-svg-small{font-size:11px}.et91-diagram table{border-collapse:collapse;width:100%;font-size:13px;min-width:440px;text-align:center;background:var(--et91-paper)}.et91-diagram th,.et91-diagram td{border:1px solid var(--et91-line);padding:9px}.et91-diagram th{background:var(--et91-soft)}.et91-diagram .et91-table-wrap{overflow:auto}.et91-data-flow{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:14px;padding:20px 5px}.et91-data-flow>strong{font-size:20px;color:var(--et91-brand);unicode-bidi:plaintext}.et91-share-strip{display:flex;justify-content:space-between;align-items:center;gap:18px;padding:22px;border:1px solid var(--et91-line);border-radius:16px;background:var(--et91-soft);margin:25px 0}.et91-share-strip h2{font-size:18px;margin-bottom:5px}.et91-share-strip p{font-size:12px;margin:0;color:var(--et91-muted)}.et91-endnote{font-size:12px;margin:25px 0}.et91-root[data-et91-age=young]{font-size:17px}.et91-root[data-et91-age=young] .et91-workspace{border-radius:27px;border-width:2px}.et91-root[data-et91-age=young] .et91-field{font-size:16px}.et91-root[data-et91-age=young] .et91-field input,.et91-root[data-et91-age=young] .et91-field select{min-height:55px;font-size:19px}.et91-root[data-et91-age=young] .et91-step{width:42px;height:42px;flex-basis:42px}.et91-root[data-et91-age=young] .et91-button{min-height:51px}.et91-root[data-et91-age=advanced] .et91-workspace{border-radius:15px}.et91-root[data-et91-age=advanced] .et91-fields{gap:14px}.et91-sr{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.et91-share-layer{position:fixed;z-index:2147483000;inset:0;display:grid;place-items:center;background:#101a2eb8;padding:16px;overflow:auto;overscroll-behavior:contain}.et91-share-panel{width:min(100%,430px);max-height:calc(100vh - 32px);max-height:calc(100dvh - 32px);overflow:auto;background:var(--et91-paper);border:1px solid var(--et91-line);border-radius:18px;padding:20px;box-shadow:0 25px 85px #0005}.et91-share-heading{display:flex;justify-content:space-between;align-items:flex-start;gap:12px}.et91-share-heading h2{font-size:20px;font-weight:750;margin:0;line-height:1.6}.et91-share-layer .et91-share-close{width:44px;height:44px;min-height:44px;flex:0 0 44px;padding:0;background:var(--et91-paper);border-color:var(--et91-line);color:var(--et91-ink)!important}.et91-share-help{color:var(--et91-muted);font-size:12px;margin:8px 0 15px}.et91-socials{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin:17px 0}.et91-share-layer .et91-socials a{flex-direction:column;background:var(--et91-soft);border-color:var(--et91-line);color:var(--et91-ink)!important;min-height:77px;font-size:11px;padding:9px 4px}.et91-socials svg{width:25px;height:25px;fill:currentColor}.et91-socials [data-platform=whatsapp] svg{color:#128c4a}.et91-socials [data-platform=telegram] svg{color:#1685bd}.et91-socials [data-platform=facebook] svg{color:#1877f2}.et91-socials [data-platform=x] svg{color:#17202c}.et91-share-text{width:100%;height:104px;min-height:80px;max-height:180px;resize:vertical;border:1px solid var(--et91-line);border-radius:10px;padding:10px;background:var(--et91-bg);color:var(--et91-ink);font:12px/1.8 Alexandria,Tahoma,sans-serif}.et91-share-actions{display:flex;gap:8px;margin-top:12px}.et91-share-actions>button{flex:1;padding:9px;font-size:12px}.et91-share-status{font-size:12px;min-height:22px;color:var(--et91-muted);margin:10px 0 0}body.et91-sharing{overflow:hidden}
.dark .et91-root,.dark-mode .et91-root,.dark .et91-share-layer,.dark-mode .et91-share-layer{--et91-ink:#e8eef8;--et91-muted:#b3c1d4;--et91-paper:#192538;--et91-line:#36475f;--et91-brand:var(--b11-action-dark,#b5baff);--et91-on:var(--b11-on-action-dark,#111827);--et91-soft:var(--b11-soft-dark,#233047);--et91-bg:var(--b11-page-dark,#111c2d)}.dark .et91-error,.dark-mode .et91-error{background:#44292f;border-color:#8d5863;color:#ffd6db}.dark .et91-warning,.dark-mode .et91-warning{background:#3b321f;border-color:#847048;color:#f7e2ae}.dark .et91-socials [data-platform=whatsapp] svg,.dark-mode .et91-socials [data-platform=whatsapp] svg{color:#58df8b}.dark .et91-socials [data-platform=telegram] svg,.dark-mode .et91-socials [data-platform=telegram] svg{color:#73caff}.dark .et91-socials [data-platform=facebook] svg,.dark-mode .et91-socials [data-platform=facebook] svg{color:#8bbcff}.dark .et91-socials [data-platform=x] svg,.dark-mode .et91-socials [data-platform=x] svg{color:#edf3fc}
@media(max-width:950px){.et91-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.et91-filters{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:620px){.et91-root{padding:0 13px;margin-top:18px}.et91-hero{padding:23px 20px;border-radius:19px}.et91-hero>p{font-size:14px}.et91-grid{grid-template-columns:1fr}.et91-card{padding:20px}.et91-filters{padding:17px;gap:12px}.et91-filters>label:first-child{grid-column:1/-1}.et91-filters>button{grid-column:1/-1}.et91-tool-hero{gap:13px}.et91-tool-hero .et91-card-icon{width:47px;height:47px;flex-basis:47px}.et91-tool-hero .et91-card-icon svg{width:29px;height:29px}.et91-tool-hero h1{font-size:25px}.et91-tool-hero p{font-size:13px}.et91-intro,.et91-rule-intro{padding:19px}.et91-workspace{padding:20px 16px}.et91-fields{grid-template-columns:1fr;gap:17px}.et91-workspace>header{align-items:flex-start}.et91-workspace>header h2{font-size:19px}.et91-form-actions>.et91-button{flex:1}.et91-form-actions>.et91-button:first-child{flex-basis:100%}.et91-outputs{grid-template-columns:1fr}.et91-output>strong{font-size:24px}.et91-diagram{padding:12px 8px}.et91-share-strip{align-items:flex-start;flex-direction:column;padding:19px}.et91-share-strip>.et91-button{width:100%}.et91-share-panel{padding:16px}.et91-root[data-et91-age=young] .et91-hero{padding:22px 17px}.et91-root[data-et91-age=young] h1{font-size:27px}}@media(max-width:340px){.et91-filters{grid-template-columns:1fr}.et91-socials{grid-template-columns:repeat(2,minmax(0,1fr))}.et91-socials a{min-height:66px}}@media(prefers-reduced-motion:no-preference){.et91-button,.et91-card{transition:border-color .15s,background-color .15s}}@media print{.et91-filters,.et91-form-actions,.et91-share-strip,.et91-share-layer{display:none!important}.et91-root{max-width:none;padding:0}.et91-workspace,.et91-intro,.et91-rule-intro{break-inside:avoid;box-shadow:none}.et91-result[hidden]{display:none!important}.et91-root .et91-result{display:block}.et91-output,.et91-diagram{break-inside:avoid}}
/* TOOLS92: visible goal choices and complete school-language presentation. */
.et92-language,.et92-goals,.et92-field-radios{border:0;padding:0;margin:0 0 22px;min-width:0}.et92-language legend,.et92-goals legend,.et92-field-radios legend{font-weight:750;margin-bottom:12px;line-height:1.7}.et92-language{display:flex;gap:9px;flex-wrap:wrap;padding:16px;border:1px solid var(--et91-line);border-radius:14px;background:var(--et91-bg)}.et92-language legend{padding:0 5px;font-size:13px}.et92-language button[aria-pressed=true]{box-shadow:0 0 0 2px var(--et91-brand)}.et92-goals{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.et92-goals legend{font-size:18px;padding:0}.et92-goal{display:flex;gap:12px;align-items:flex-start;padding:17px;border:1px solid var(--et91-line);border-radius:14px;background:var(--et91-bg);cursor:pointer;min-height:80px}.et92-goal>input,.et92-option>input{width:21px!important;height:21px!important;min-height:21px!important;flex:0 0 21px;padding:0!important;margin:5px 0 0;accent-color:var(--et91-brand)}.et92-goal:has(input:checked){border-color:var(--et91-brand);box-shadow:inset 0 0 0 1px var(--et91-brand);background:var(--et91-soft)}.et92-goal strong{display:block;font-size:14px;font-weight:750;line-height:1.8}.et92-goal small{display:block;font-size:12px;font-weight:400;color:var(--et91-muted);line-height:1.9;margin-top:5px}.et92-option{display:flex;gap:10px;align-items:flex-start;min-height:46px;cursor:pointer;font-weight:500;padding:7px;border:1px solid var(--et91-line);border-radius:9px;background:var(--et91-bg)}.et92-field-radios{display:flex;flex-direction:column;gap:8px;margin:0}.et92-values-heading{margin-top:10px!important}.et92-step-controls{display:flex;flex-wrap:wrap;gap:9px;margin-top:18px}.et91-workspace[dir=ltr],.et91-tool-page [dir=ltr]{direction:ltr;text-align:left}.et91-workspace[dir=ltr] input[inputmode=decimal]{text-align:left}.et91-workspace[dir=ltr] .et91-diagram svg text{direction:ltr}.et91-root [data-et92-language]{scroll-margin-top:100px}.et91-result h2{scroll-margin-top:110px}.et92-ssr-goals{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;padding:0!important;list-style:none}.et92-ssr-goals li{padding:13px;border:1px solid var(--et91-line);border-radius:11px;background:var(--et91-bg)}.et92-ssr-goals strong{display:block}.et92-ssr-goals small{display:block;font-size:12px;color:var(--et91-muted);font-weight:400}.et92-worked-example{border-top:1px solid var(--et91-line);padding-top:18px;margin-top:20px}.et91-root[data-et91-age=young] .et92-goal{padding:19px;border-radius:18px}.et91-root[data-et91-age=young] .et92-goal strong{font-size:17px}.et91-root[data-et91-age=young] .et92-goal small{font-size:13px}@media(max-width:620px){.et92-goals,.et92-ssr-goals{grid-template-columns:1fr}.et92-goal{min-height:84px;padding:14px}.et92-language{padding:12px}.et92-language button{flex:1;font-size:12px}.et92-goals legend{font-size:17px}.et91-diagram table{min-width:320px}}
.et91-workspace[lang=ar] .katex .text,.et91-root [data-et92-language=ar] .katex .text{font-family:B16Alexandria,Alexandria,Tahoma,Arial,sans-serif}
.et91-workspace[lang=ar] .et91-math mtext,.et91-root [data-et92-language=ar] .et91-math mtext{font-family:B16Alexandria,Alexandria,Tahoma,Arial,sans-serif}
.et91-intro>summary{cursor:pointer;min-height:44px;font-size:16px;font-weight:700;line-height:1.8;padding:6px 0}.et91-intro>summary:focus-visible{outline:3px solid var(--et91-brand);outline-offset:4px}.et91-root [data-et92-language-picker]:empty{display:none}.et91-root [data-et92-language-picker]{margin-top:18px}
.et91-output>.et91-math{font-size:23px}
/* TOOLS94: server-confirmed usage and one changeable helpfulness choice. */
.et94-stats{margin:24px 0;padding:20px 23px;border:1px solid var(--et91-line);border-radius:16px;background:var(--et91-paper)}.et94-stats h2{font-size:18px;margin-bottom:12px}.et94-use-count{font-size:13px;color:var(--et91-muted);margin-bottom:13px!important}.et94-use-count strong{color:var(--et91-ink);font-variant-numeric:tabular-nums}.et94-votes{display:flex;flex-wrap:wrap;gap:10px}.et94-votes button{min-height:44px}.et94-vote-count{font-size:12px;min-width:1ch;padding-inline-start:7px;border-inline-start:1px solid var(--et91-line);font-variant-numeric:tabular-nums}.et94-votes button[aria-pressed=true]{background:var(--et91-soft);border-color:var(--et91-brand);box-shadow:inset 0 0 0 1px var(--et91-brand)}.et94-status{font-size:12px;color:var(--et91-muted);min-height:1.8em;margin:12px 0 0!important}.et94-retry{margin-top:9px;font-size:12px}.et94-stats[dir=ltr]{direction:ltr;text-align:left}@media(max-width:620px){.et94-stats{padding:18px 16px}.et94-votes button{flex:1;padding:9px 10px}}