@import"https://fonts.googleapis.com/css2?family=Vazirmatn:wght@300;400;500;700&display=swap";@import"https://fonts.googleapis.com/css2?family=Jost:wght@300;400;500;600&display=swap";@import"https://fonts.googleapis.com/css2?family=Playfair+Display:wght@700;900&display=swap";@import"https://fonts.googleapis.com/css2?family=Caveat:wght@500;600&display=swap";.tt-page{height:100%}.page-content.tt-thread{display:flex;flex-direction:column;padding:var(--space-4) var(--space-4) var(--space-2);overscroll-behavior-y:contain}.tt-center{display:flex;flex:1;align-items:center;justify-content:center}.tt-messages{margin-block-start:auto;display:flex;flex-direction:column;gap:var(--space-3)}.tt-row{display:flex;justify-content:flex-start}.tt-row--me{justify-content:flex-end}.tt-bubble{max-width:78%;padding:var(--space-3) var(--space-4)}.tt-bubble--me{background:var(--tint-8);border-color:var(--tint-18)}.tt-text{margin:0;font-size:var(--text-md);line-height:1.6}.tt-word{color:var(--color-primary);border-bottom:1px dashed var(--color-primary);font-weight:500;cursor:pointer}.tt-image{display:block;max-height:192px;width:auto;margin-bottom:var(--space-2);border-radius:var(--radius-default);-o-object-fit:contain;object-fit:contain}.tt-time{display:block;margin-top:var(--space-1);font-size:var(--text-xs);color:var(--color-muted)}.tt-row--me .tt-time{text-align:end}.tt-thinking{display:inline-flex;align-items:center;gap:var(--space-2);padding:var(--space-3) var(--space-4);font-size:var(--text-sm);color:var(--color-muted)}.tt-composer{flex-shrink:0;padding:0 var(--space-4) max(var(--space-3),env(safe-area-inset-bottom))}.tt-input{display:flex;flex-direction:column;gap:var(--space-2);padding:var(--space-3);background:var(--color-surface);border:1px solid var(--tint-14);border-radius:var(--radius-card)}.tt-input-row{display:flex;align-items:flex-end;gap:var(--space-2)}.tt-textarea{flex:1;min-width:0;max-height:120px;resize:none;padding:var(--space-2) var(--space-3);font-family:inherit;font-size:var(--text-md);line-height:1.5;color:var(--color-text);background:var(--color-bg);border:1px solid var(--tint-14);border-radius:var(--radius-default)}.tt-textarea::-moz-placeholder{color:var(--color-muted)}.tt-textarea::placeholder{color:var(--color-muted)}.tt-textarea:disabled{opacity:.5}.tt-input .btn.tt-iconbtn{flex-shrink:0;min-width:var(--tap-min);padding-inline:0}.tt-file{display:none}.tt-preview{display:flex;align-items:center;gap:var(--space-2)}.tt-preview-image{display:block;width:64px;height:64px;border-radius:var(--radius-default);-o-object-fit:cover;object-fit:cover}.tt-preview .btn{min-width:40px;padding-inline:0}.tt-clear{max-width:9.5rem}.tt-clear span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}@media (max-width: 480px){.tt-clear span{display:none}.tt-clear{min-width:var(--tap-min);padding-inline:0}}.app-shell{display:flex;flex-direction:column;height:100dvh;overflow:hidden;background:var(--color-bg);color:var(--color-text)}.app-main{flex:1;min-height:0;overflow:hidden}.page-header.app-bar{padding:0;background:var(--color-surface);border-bottom:1px solid var(--tint-8)}.app-bar-inner{display:flex;align-items:center;gap:var(--space-2);width:100%;max-width:800px;height:var(--app-bar-h);margin-inline:auto;padding:0 var(--space-4)}.app-wordmark{flex-shrink:0;font-size:var(--text-lg);font-weight:700;line-height:1;color:var(--ink)}.app-bar-divider{flex-shrink:0;width:1px;height:18px;background:var(--tint-14)}.app-bar-inner .page-title-row{flex:1;min-width:0;min-height:0}.app-bar-inner .page-title{flex:1 1 auto;min-width:0;font-size:var(--text-md);font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;overflow-wrap:normal}.app-bar-actions{display:flex;flex-shrink:0;align-items:center;gap:var(--space-2)}.app-bar-btn{display:flex;flex-shrink:0;align-items:center;justify-content:center;min-width:var(--tap-min);min-height:var(--tap-min);padding:0;color:var(--color-text);background:transparent;border:none;border-radius:var(--radius-default);cursor:pointer}.app-bar-btn--outlined{border:1px solid var(--tint-18)}@media (hover: hover){.app-bar-btn:hover{background:var(--tint-8)}}.drawer-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:var(--z-backdrop);background:#00000073;opacity:0;transition:opacity .22s ease}.drawer-backdrop.is-visible{opacity:1}.drawer{position:fixed;inset-block:0;inset-inline-start:0;z-index:var(--z-drawer);display:flex;flex-direction:column;width:260px;max-width:84vw;padding-top:var(--space-4);background:var(--color-surface);border-inline-end:1px solid var(--tint-10);transform:translate(-100%);transition:transform .28s cubic-bezier(.32,.72,.24,1)}[dir=rtl] .drawer{transform:translate(100%)}.drawer.is-visible,[dir=rtl] .drawer.is-visible{transform:translate(0)}.drawer-brand{display:flex;flex-direction:column;gap:var(--space-1);padding:0 var(--space-5) var(--space-3)}.drawer-language{margin:0;font-size:var(--text-xs);color:var(--color-muted)}.drawer-language-name{color:var(--color-text);font-weight:600}.drawer-nav{flex:1;min-height:0;overflow-y:auto;padding-bottom:max(var(--space-4),env(safe-area-inset-bottom))}.drawer-list{margin:0;padding:0;list-style:none}.drawer-item{display:flex;align-items:center;gap:var(--space-3);width:100%;min-height:var(--tap-min);padding:var(--space-3) var(--space-5);font-size:var(--text-md);font-weight:500;color:var(--color-text);text-align:start;background:transparent;border:none;border-inline-start:3px solid transparent;cursor:pointer}.drawer-item[aria-current=page]{color:var(--color-primary);background:var(--tint-8);border-inline-start-color:var(--color-primary)}@media (hover: hover){.drawer-item:hover{background:var(--tint-4)}}.drawer-secondary{margin-top:var(--space-2);padding-top:var(--space-2);border-top:1px solid var(--tint-10)}.drawer-secondary .drawer-item{font-size:var(--text-sm);color:var(--color-muted)}@media (prefers-reduced-motion: reduce){.drawer,.drawer-backdrop{transition:none}}.auth{display:flex;min-height:100vh;min-height:100dvh;align-items:center;justify-content:center;padding:var(--space-4);background:var(--color-bg)}.auth-card{width:100%;max-width:420px;padding:var(--space-6) var(--space-5)}.auth-header{margin-bottom:var(--space-5);text-align:center}.auth-logo{margin:0;font-size:var(--text-3xl);font-weight:700;line-height:1.2;color:var(--color-primary)}.auth-heading{margin:var(--space-1) 0 0;font-family:var(--font-latin);font-size:var(--text-lg);font-weight:600;color:var(--color-secondary)}.auth-subtext{margin:var(--space-2) 0 0;font-size:var(--text-sm);line-height:1.5;color:var(--color-muted)}.auth-subtext strong{color:var(--color-text)}.auth-notice{margin:0 0 var(--space-4);padding:var(--space-2) var(--space-3);border-radius:var(--radius-default);background:var(--tint-6);font-size:var(--text-sm);line-height:1.5;color:var(--color-text);text-align:center}.auth-form{display:flex;flex-direction:column;gap:var(--space-4)}.auth-body{transition:opacity .15s ease}.auth-body[data-switching=true]{opacity:0}.auth-input{width:100%;min-height:var(--tap-min);padding:var(--space-2) var(--space-4);border:1px solid var(--tint-18);border-radius:var(--radius-default);background:var(--color-bg);color:var(--color-text);font-family:inherit;font-size:var(--text-md)}.auth-input::-moz-placeholder{color:var(--color-muted)}.auth-input::placeholder{color:var(--color-muted)}.auth-inline-note{margin:0;padding:var(--space-1) var(--space-3);border:1px solid var(--tint-18);border-radius:var(--radius-default);background:var(--color-bg);font-size:var(--text-sm);color:var(--color-text)}.auth-forgot{display:flex;flex-direction:column;align-items:flex-start;gap:var(--space-1);margin-top:calc(-1 * var(--space-2))}.auth-divider{display:flex;align-items:center;gap:var(--space-3);margin:var(--space-5) 0}.auth-divider-line{flex:1;height:1px;background:var(--tint-18)}.auth-divider-text{font-size:var(--text-sm);color:var(--color-muted)}.auth-toggle{margin-top:var(--space-5);font-size:var(--text-sm);color:var(--color-muted);text-align:center}.auth-toggle .btn--link{vertical-align:baseline}.auth-digits{display:flex;justify-content:center;gap:var(--space-2);margin-bottom:var(--space-4)}.auth-digit{width:48px;height:56px;border:1px solid var(--tint-18);border-radius:var(--radius-default);background:var(--color-bg);color:var(--color-text);font-family:var(--font-latin);font-size:var(--text-xl);font-weight:700;text-align:center}.auth-digit[data-filled=true]{border-color:var(--color-primary)}.auth-digit[aria-invalid=true]{border-color:var(--color-danger)}.auth-footer{display:flex;flex-direction:column;align-items:center;gap:var(--space-2);margin-top:var(--space-5)}.auth-card-row{display:flex;align-items:center;gap:var(--space-3)}.auth-card-title{margin:0;font-size:var(--text-lg);font-weight:600}.auth-card-icon{color:var(--color-primary)}.auth-text{margin:0;font-size:var(--text-md);line-height:1.55;color:var(--color-muted)}.auth-text--strong{color:var(--color-text);font-weight:600}.auth-token-row{display:flex;align-items:center;gap:var(--space-2)}.auth-token{flex:1;min-width:0;font-size:var(--text-sm);word-break:break-all}.auth-stack{display:grid;gap:var(--space-3)}.auth-text-icon{vertical-align:-3px;margin-inline-end:var(--space-1)}.auth-link{font-size:var(--text-sm);color:var(--color-primary)}@media (max-width: 400px){.auth-card{padding:var(--space-5) var(--space-4)}.auth-digit{width:44px;height:52px}.auth-digits{gap:var(--space-1)}}@media (prefers-reduced-motion: reduce){.auth-body{transition:none}}.auth-form-error{margin-bottom:var(--space-4)}.alpha{display:flex;min-height:100vh;flex-direction:column;background:var(--color-bg);color:var(--color-text)}.alpha-topbar{display:flex;align-items:center;justify-content:space-between;gap:var(--space-3);padding:var(--space-3) var(--space-5);border-bottom:1px solid var(--tint-8)}.alpha-wordmark{display:flex;align-items:baseline;gap:var(--space-2);text-decoration:none}.alpha-wordmark-fa{font-size:var(--text-lg);font-weight:700;line-height:1;color:var(--color-primary)}.alpha-wordmark-en{font-size:var(--text-sm);font-weight:500;color:var(--color-muted)}.alpha-nav{display:flex;align-items:center;gap:var(--space-3)}.alpha-nav .btn{text-decoration:none}.alpha-hero{padding:var(--space-6) var(--space-5) var(--space-5);text-align:center}.alpha-hero-fa{margin:0;font-size:var(--text-xl);font-weight:700;color:var(--color-primary)}.alpha-hero-title{margin:var(--space-1) 0 var(--space-2);font-size:var(--text-2xl);font-weight:700;color:var(--color-text)}.alpha-hero-sub{margin:0 auto;max-width:34rem;font-size:var(--text-md);line-height:1.55;color:var(--color-muted)}.alpha-progress{display:inline-block;margin-top:var(--space-3);padding:var(--space-1) var(--space-3);border:1px solid var(--state-active-border);border-radius:var(--radius-pill);background:var(--state-active-bg);font-size:var(--text-xs);font-weight:600;color:var(--ink)}.alpha-main{display:flex;flex-wrap:wrap;align-items:flex-start;justify-content:center;gap:var(--space-5);width:100%;max-width:68rem;margin:0 auto;padding:0 var(--space-5) var(--space-6)}.alpha-panel{position:sticky;top:var(--space-4);flex:1 1 20rem;min-width:17rem;max-width:24rem;scroll-margin-top:var(--space-4)}.alpha-modes{display:flex;gap:var(--space-2);margin-bottom:var(--space-3)}.btn.alpha-mode{flex:1;min-height:var(--tap-min);gap:var(--space-2);font-weight:600;color:var(--color-muted)}.btn.alpha-mode[aria-selected=true]{border:2px solid var(--state-active-border);background:var(--state-active-bg);color:var(--ink)}.alpha-canvas{padding:var(--space-4)}.alpha-forms{display:flex;gap:var(--space-1);margin-top:var(--space-2)}.btn.alpha-form{flex:1;min-height:var(--tap-min);flex-direction:column;gap:0;padding:var(--space-1)}.btn.alpha-form[aria-selected=true]{border:2px solid var(--state-active-border);background:var(--state-active-bg)}.alpha-form-glyph{font-size:var(--text-lg);line-height:1.3;color:var(--color-text)}.alpha-form-label{font-size:var(--text-xs);font-weight:600;color:var(--color-muted)}.btn.alpha-form[aria-selected=true] .alpha-form-label{color:var(--ink)}.alpha-preview{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--space-3);min-height:16rem;text-align:center}.alpha-preview-glyph{font-size:calc(var(--text-4xl) * 2);line-height:1.2;color:var(--color-text)}.alpha-preview-note{margin:0;max-width:16rem;font-size:var(--text-sm);line-height:1.5;color:var(--color-muted)}.alpha-info{margin-top:var(--space-3)}.alpha-info-name{margin:0;font-size:var(--text-md);color:var(--color-muted)}.alpha-info-name strong{color:var(--color-text)}.alpha-info-note{margin:var(--space-1) 0 0;padding-inline-start:var(--space-2);border-inline-start:3px solid var(--state-culture-border);font-size:var(--text-sm);line-height:1.5;color:var(--color-muted)}.alpha-info-hint{margin:var(--space-2) 0 0;font-size:var(--text-sm);color:var(--color-muted)}.alpha-example{display:flex;flex-wrap:wrap;align-items:baseline;gap:var(--space-2);margin:var(--space-2) 0 0}.alpha-example-fa{font-size:var(--text-lg);font-weight:500;color:var(--color-text)}.alpha-example-translit{font-size:var(--text-sm);color:var(--color-muted)}.btn.alpha-next{margin-top:var(--space-3)}.alpha-gridwrap{flex:1 1 22rem;min-width:16rem}.alpha-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(4.25rem,1fr));gap:var(--space-2)}.alpha-cell{position:relative;display:flex;flex-direction:column;align-items:center;gap:var(--space-1);min-height:var(--tap-min);padding:var(--space-2) var(--space-1);border:1px solid var(--tint-10);border-radius:var(--radius-default);background:var(--color-surface);cursor:pointer}.alpha-cell[aria-pressed=true]{border:2px solid var(--state-active-border);background:var(--state-active-bg)}.alpha-cell-char{font-size:var(--text-xl);line-height:1.25;color:var(--color-text)}.alpha-cell-name{font-size:var(--text-xs);color:var(--color-muted)}.alpha-cell[aria-pressed=true] .alpha-cell-char,.alpha-cell[aria-pressed=true] .alpha-cell-name{color:var(--ink)}.alpha-cell-check{position:absolute;top:var(--space-1);inset-inline-end:var(--space-1);color:var(--color-primary)}@media (hover: hover){.alpha-cell:hover{background:var(--tint-4)}.alpha-cell[aria-pressed=true]:hover{background:var(--state-active-bg)}}.alpha-cta{margin-top:auto;padding:var(--space-6) var(--space-5);border-top:1px solid var(--tint-8);text-align:center}.alpha-cta-headline{margin:0;font-size:var(--text-lg);font-weight:700;color:var(--color-text)}.alpha-cta-body{margin:var(--space-2) auto var(--space-4);max-width:32rem;font-size:var(--text-md);line-height:1.55;color:var(--color-muted)}.alpha-cta .btn{text-decoration:none}.alpha-footer{padding:var(--space-4);border-top:1px solid var(--tint-8);font-size:var(--text-xs);color:var(--color-muted);text-align:center}.setup{height:100%;min-height:100dvh;background-color:var(--color-bg);background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='60' height='60'%3E%3Cpath d='M30 3 L57 30 L30 57 L3 30 Z' fill='none' stroke='rgba(26,26,26,0.05)' stroke-width='1'/%3E%3Cpath d='M30 14 L46 30 L30 46 L14 30 Z' fill='none' stroke='rgba(26,26,26,0.03)' stroke-width='0.7'/%3E%3C/svg%3E")}.dark .setup{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='60' height='60'%3E%3Cpath d='M30 3 L57 30 L30 57 L3 30 Z' fill='none' stroke='rgba(240,237,232,0.07)' stroke-width='1'/%3E%3Cpath d='M30 14 L46 30 L30 46 L14 30 Z' fill='none' stroke='rgba(240,237,232,0.04)' stroke-width='0.7'/%3E%3C/svg%3E")}.setup-page{max-width:560px;background:transparent}.setup-topbar{display:flex;align-items:center;justify-content:space-between;gap:var(--space-2);padding-top:var(--space-4)}.setup-topbar-slot{display:flex;flex:1;min-width:var(--tap-min)}.setup-topbar-slot--end{justify-content:flex-end}.setup-iconbtn{min-width:var(--tap-min);padding-inline:var(--space-2)}html[dir=rtl] .setup-iconbtn svg{transform:scaleX(-1)}.setup-wordmark{font-size:var(--text-xl);font-weight:700;line-height:1;color:var(--color-primary)}.setup-column{display:flex;flex-direction:column;gap:var(--space-4);padding:var(--space-5) var(--space-4) 0;opacity:1;transition:opacity .22s ease,transform .22s ease}.setup-column.is-leaving{opacity:0;transform:translateY(10px)}@media (prefers-reduced-motion: reduce){.setup-column{transition:none}}.setup-column .page-title-row{margin-bottom:calc(-1 * var(--space-2))}.setup-subtitle{margin:0;font-size:var(--text-sm);line-height:1.55;color:var(--color-muted)}.setup-error{margin-block:calc(-1 * var(--space-2))}.setup-grid{display:grid;gap:var(--space-2)}.setup-grid--two,.setup-grid--cards{grid-template-columns:1fr 1fr}@media (max-width: 420px){.setup-grid--cards{grid-template-columns:1fr}}.setup-steps{display:flex;align-items:flex-start;justify-content:center;gap:var(--space-5);margin:0;padding:0;list-style:none}.setup-step{display:flex;flex-direction:column;align-items:center;gap:var(--space-1);font-size:var(--text-xs);color:var(--color-muted)}.setup-step-dot{display:flex;align-items:center;justify-content:center;width:28px;height:28px;border:2px solid var(--tint-25);border-radius:var(--radius-pill);font-size:var(--text-xs);font-weight:600;line-height:1}.setup-step.is-reached{color:var(--color-text)}.setup-step.is-reached .setup-step-dot{border-color:var(--color-primary);background:var(--color-fill);color:var(--ink)}.setup-step[aria-current=step] .setup-step-label{font-weight:600}.setup-choice{padding:var(--space-4)}.setup-choice-head{display:flex;align-items:baseline;gap:var(--space-2);width:100%}.setup-choice-native{font-size:var(--text-md);font-weight:700;color:var(--color-primary)}.setup-choice .choice-mark{align-self:center}.plc-level{margin:0}.plc-questions{display:flex;flex-direction:column;gap:var(--space-3);margin:0;padding:0;list-style:none}.plc-fieldset{margin:0;padding:0;border:0}.plc-question{padding:0;font-size:var(--text-md);font-weight:600;line-height:1.5;color:var(--color-text);overflow-wrap:anywhere}.plc-options{display:flex;flex-direction:column;gap:var(--space-2);margin-top:var(--space-3)}.plc-input{width:100%;min-height:var(--tap-min);padding:var(--space-2) var(--space-3);border:var(--outline);border-radius:var(--radius-default);background:var(--color-surface);color:var(--color-text);font-family:inherit;font-size:var(--text-md)}.dashboard-review-button{display:inline-flex;align-items:center;gap:8px;font-size:var(--text-sm);line-height:1.5;text-align:start;min-height:44px;padding:8px 12px;border:var(--outline);border-radius:var(--radius-default);background:var(--color-surface);color:var(--color-text);cursor:pointer}.dashboard-review-button svg{flex-shrink:0}.dashboard-lessons{margin-top:16px}.dashboard-lesson{display:grid;grid-template-columns:18px minmax(0,1fr) auto;align-items:center;gap:12px;width:100%;min-height:56px;padding:14px 10px;background:transparent;border:0;border-bottom:1px solid var(--tint-8);color:var(--color-text);cursor:pointer;text-align:start}.dashboard-lesson:last-child{border-bottom:0}.dashboard-lesson:disabled{cursor:default}.dashboard-lesson.is-current{margin-block:4px;border:1px solid color-mix(in srgb,var(--color-primary) 25%,transparent);border-radius:var(--radius-default);background:color-mix(in srgb,var(--color-fill) 22%,var(--color-surface))}.dashboard-continue{flex-shrink:0;padding:8px 12px;border-radius:var(--radius-default);background:var(--color-fill);color:var(--color-text);font-size:var(--text-sm);font-weight:700;line-height:1.5}@media (hover: hover){.dashboard-lesson:not(:disabled):not(.is-current):hover,.dashboard-review-button:hover{background:var(--tint-4)}}@media (max-width: 420px){.dashboard-lesson{grid-template-columns:18px minmax(0,1fr);gap:8px}.dashboard-continue{grid-column:2;justify-self:start}}.dashboard-review{margin:18px 16px 0}.dashboard-practice{display:flex;align-items:flex-start;gap:10px;margin:20px 16px 0;padding-block:4px;color:var(--color-muted)}.dashboard-practice>svg{flex-shrink:0;margin-top:12px}.dashboard-practice>div{min-width:0}.dashboard-practice p{font-size:var(--text-sm);line-height:1.6;margin:0}.dashboard-practice-link{display:inline-flex;align-items:center;gap:10px;min-height:44px;padding:6px 0;border:0;background:transparent;color:var(--color-text);font-size:var(--text-md);font-weight:500;text-align:start;cursor:pointer}.dashboard-practice-link svg{flex-shrink:0}.dashboard-practice-link:hover{text-decoration:underline;text-underline-offset:4px}.dashboard-level-current{font-size:var(--text-sm);color:var(--color-primary);font-weight:500}.dashboard-completion{margin:0;padding:14px 16px 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