:root{--ink:#0A1D2E;--ink-2:#102A40;--ink-3:#1A3A55;--paper:#F3F5F8;--card:#FFFFFF;--card-2:#F7F9FB;--line:#DDE4EA;--line-2:#C5D0DA;--text:#0D1B27;--muted:#4F6274;--muted-2:#7A8B9B;--sig:#FFB224;--sig-hover:#FFC24F;--sig-2:#9A5B00;--sig-3:#6E3F00;--sig-soft:#FFF0D1;--on-sig:#2A1A00;--coral:#FF5A4E;--teal:#20B2A6;--sky:#3F8CF0;--violet:#8E7CF0;--ok:#1E7F45;--ok-soft:#DDF2E5;--warn:#A04E00;--warn-soft:#FFE9D6;--crit:#C9353B;--crit-soft:#FBE3E4;--info:#1F5FB8;--info-soft:#E3EEFC;--r-sm:9px;--r-card:16px;--r-sheet:22px;--shadow:0 1px 2px rgba(10,29,46,.06),0 6px 18px rgba(10,29,46,.06);--shadow-float:0 14px 38px rgba(10,29,46,.24),0 2px 6px rgba(10,29,46,.12);--f-body:"Overpass",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;--f-disp:"Barlow Condensed","Arial Narrow","Roboto 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.trl{color:#ffffffb8}.big-tr{font-size:1.15rem!important;margin-top:6px!important;text-align:center}.qtr{margin:-4px 0 8px!important}.qo .qol{display:flex;flex-direction:column;align-items:flex-start;gap:2px;min-width:0}.qo .qol .trl{margin:0;font-size:.84rem}.oc .trl,.mi .trl{display:block;margin:2px 0 0;font-size:.78rem}.oc,.mi{flex-direction:column}.rtr{grid-column:2;margin-top:-2px!important}.wotd{font-family:var(--f-disp);font-size:2.3rem}.wotd[lang=fa]{font-family:Vazirmatn,sans-serif;font-size:2rem}[dir=rtl] .ic.dirx{transform:scaleX(-1)}.lbadge{display:inline-grid;place-items:center;min-width:30px;height:22px;padding:0 6px;border-radius:7px;background:var(--crs,var(--sig));color:#0a1d2e;font-family:var(--f-body);font-weight:800;font-size:.72rem;letter-spacing:.06em;line-height:1;flex:none;vertical-align:middle;margin-inline-end:6px}.lbadge.lg{min-width:46px;height:46px;border-radius:13px;font-size:1rem;margin:0}.tag .lbadge{height:18px;min-width:24px;font-size:.64rem;margin-inline-end:4px}.crs-pill{display:inline-flex;align-items:center;gap:2px;padding:4px 10px 4px 5px;border-radius:999px;background:#ffffff14;border:1px solid rgba(255,255,255,.14);color:#fff;font-weight:800;font-size:.86rem;text-decoration:none;margin-inline-end:4px;white-space:nowrap}.crs-pill:hover{background:#ffffff24}@media (max-width:420px){.crs-pill>span:not(.lbadge){display:none}.crs-pill{padding:4px}.crs-pill .lbadge{margin:0}}.uiswitch{font-weight:800}.crs-cards{display:grid;gap:16px;margin-top:18px}@media (min-width:760px){.crs-cards{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}}.crs-card{position:relative;display:flex;flex-direction:column;gap:10px;padding:20px;border-radius:var(--r-card);background:var(--card);border:1px solid var(--line);box-shadow:var(--shadow);overflow:hidden}.crs-card:before{content:"";position:absolute;inset:0 0 auto 0;height:5px;background:var(--crs,var(--sig))}.crs-card.on{border-color:color-mix(in srgb,var(--crs) 60%,var(--line))}.crs-card p{margin:0}.crs-card .btns{margin-top:auto;padding-top:6px}.crs-top{display:flex;align-items:center;gap:12px}.crs-top>div{flex:1;min-width:0}.crs-top h3{font-size:1.45rem}.tln{font-size:.95em;color:var(--muted);font-weight:700}.crs-facts{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:6px 14px;font-size:.88rem;color:var(--muted);font-weight:600}.crs-facts li{display:inline-flex;align-items:center;gap:6px}.crs-facts .ic{color:var(--crs,var(--sig-2))}.crs-prog{display:grid;gap:6px}.crs-prog .meter i{background:var(--crs,var(--sig))}.crs-opts .opt{align-items:center}.crs-opts .opt.on{border-color:var(--crs);box-shadow:0 0 0 2px color-mix(in srgb,var(--crs) 40%,transparent)}.ob-crs{display:flex;align-items:center;gap:6px;font-size:.8rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--sig-2);margin-bottom:8px}.stories{display:grid;gap:34px;margin-top:18px}.stories .story h3{font-size:1.6rem;margin:8px 0}.demo-tabs{margin:14px 0 4px;max-width:520px}.dark .demo-tabs{background:#ffffff0f;border-color:#ffffff24}.dark .demo-tabs button{color:#ffffffbf}.dark .demo-tabs button.on{background:var(--sig);color:var(--on-sig)}.demo-dlg .trl{color:#ffffff9e}.demo-dlg .msg.me .bub{background:color-mix(in srgb,var(--crs,#FFB224) 16%,transparent);border-color:color-mix(in srgb,var(--crs,#FFB224) 34%,transparent)}.letters{display:grid;gap:12px;margin:14px 0}@media (min-width:760px){.letters{grid-template-columns:1fr 1fr}}.letter{display:flex;gap:14px;padding:14px;border-radius:16px;background:var(--card);border:1px solid var(--line);box-shadow:var(--shadow)}.lt-big{flex:none;width:76px;height:76px;display:grid;place-items:center;border-radius:14px;background:var(--sig-soft);color:var(--sig-3);font-family:Vazirmatn,sans-serif;font-size:2.6rem;font-weight:700;line-height:1}.lt-tx{flex:1;min-width:0}.lt-forms{display:flex;gap:6px;margin-top:8px;flex-wrap:wrap}.lt-forms span{display:grid;justify-items:center;gap:2px;min-width:52px;padding:6px 6px 4px;border-radius:10px;background:var(--card-2);border:1px solid var(--line)}.lt-forms b{font-family:Vazirmatn,sans-serif;font-size:1.5rem;font-weight:700;line-height:1.3}.lt-forms small{font-size:.68rem;color:var(--muted);font-weight:700}.lt-words{display:grid;gap:6px;margin-top:10px}.lt-words span{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.lt-words b{font-size:1.15rem}.readw{display:flex;flex-wrap:wrap;gap:10px;margin:8px 0 6px}.rw{display:grid;justify-items:center;gap:2px;min-width:96px;padding:10px 14px;border-radius:14px;border:1px solid var(--line-2);background:var(--card);cursor:pointer;color:var(--text)}.rw b{font-family:Vazirmatn,sans-serif;font-size:1.6rem;line-height:1.4}.rw small{font-size:.76rem;color:var(--muted)}.rw.open{border-color:var(--sig);background:var(--sig-soft)}.abc{display:grid;grid-template-columns:repeat(auto-fill,minmax(84px,1fr));gap:8px;direction:rtl}.abc-l{display:grid;justify-items:center;gap:1px;padding:10px 6px 8px;border-radius:14px;border:1px solid var(--line);background:var(--card);cursor:pointer;color:var(--text);box-shadow:var(--shadow)}.abc-l b{font-family:Vazirmatn,sans-serif;font-size:1.9rem;line-height:1.3}.abc-l small{font-size:.72rem;color:var(--muted);font-weight:700;direction:ltr}.abc-l .trl{font-size:.8rem}.abc-l.later{opacity:.7}.abc-l.on{border-color:var(--sig);background:var(--sig-soft)}.abc-t td.fa-cell{font-size:1.4rem;text-align:center}.digits{display:grid;grid-template-columns:repeat(auto-fill,minmax(72px,1fr));gap:8px}td.fa-cell{font-family:Vazirmatn,sans-serif;font-size:1.08rem}.kbdwrap{margin-top:10px}.kbdfull{display:grid;gap:5px;margin-top:8px;padding:8px;border-radius:12px;background:var(--card-2);border:1px solid var(--line);max-width:560px}.kbdfull .kr{display:flex;gap:4px;justify-content:center}.kbdfull button{flex:1 1 0;min-width:0;max-width:44px;height:42px;border-radius:8px;border:1px solid var(--line-2);background:var(--card);font-family:Vazirmatn,sans-serif;font-size:1.15rem;font-weight:700;cursor:pointer;color:var(--text);padding:0}.kbdfull button.wide{max-width:none;flex:4 1 0;font-family:var(--f-body);font-size:.85rem}.kbdfull button:active{background:var(--sig-soft)}.gapin[dir=auto]:lang(fa),.gapline[lang=fa] .gapin{font-family:"Vazirmatn",var(--f-body)}.inp:lang(fa){font-family:"Vazirmatn",var(--f-body)}.cert{border-top:6px solid var(--crs,var(--sig))}:root[data-course=es-de]{--sig:#FFB224;--sig-hover:#FFC24F;--on-sig:#2A1A00;--sig-2:#9A5B00;--sig-3:#6E3F00;--sig-soft:#FFF0D1}:root[data-course=es-de][data-theme=dark]{--sig-2:#FFC65C;--sig-3:#FFD78F;--sig-soft:#3A2A0E}@media (prefers-color-scheme:dark){:root[data-course=es-de]:not([data-theme=light]){--sig-2:#FFC65C;--sig-3:#FFD78F;--sig-soft:#3A2A0E}}:root[data-course=en-de]{--sig:#3D8BFF;--sig-hover:#5E9FFF;--on-sig:#04162E;--sig-2:#1A5BBF;--sig-3:#123F87;--sig-soft:#E2EDFF}:root[data-course=en-de][data-theme=dark]{--sig-2:#86B8FF;--sig-3:#B3D2FF;--sig-soft:#10294D}@media (prefers-color-scheme:dark){:root[data-course=en-de]:not([data-theme=light]){--sig-2:#86B8FF;--sig-3:#B3D2FF;--sig-soft:#10294D}}:root[data-course=fa-de]{--sig:#16A085;--sig-hover:#1DB898;--on-sig:#032119;--sig-2:#0A6E5B;--sig-3:#064F41;--sig-soft:#D9F3EC}:root[data-course=fa-de][data-theme=dark]{--sig-2:#4ED6B8;--sig-3:#93E8D5;--sig-soft:#0B3329}@media (prefers-color-scheme:dark){:root[data-course=fa-de]:not([data-theme=light]){--sig-2:#4ED6B8;--sig-3:#93E8D5;--sig-soft:#0B3329}}:root[data-course=en-fa]{--sig:#3D8BFF;--sig-hover:#5E9FFF;--on-sig:#04162E;--sig-2:#1A5BBF;--sig-3:#123F87;--sig-soft:#E2EDFF}:root[data-course=en-fa][data-theme=dark]{--sig-2:#86B8FF;--sig-3:#B3D2FF;--sig-soft:#10294D}@media (prefers-color-scheme:dark){:root[data-course=en-fa]:not([data-theme=light]){--sig-2:#86B8FF;--sig-3:#B3D2FF;--sig-soft:#10294D}}