:root{color:#182c46;font-synthesis:none;--ink:#182c46;--muted:#596b80;--accent:#244cbc;--surface:#fff;--border:#ccd5e2;--success:#237563;--error:#9d4d25;--nav-height:76px;background:#f6f8fc;font-family:Golos Text,Noto Sans Arabic,system-ui,sans-serif}*{box-sizing:border-box}body{margin:0}button,input,select,textarea{font:inherit}button,a,summary{-webkit-tap-highlight-color:transparent}button,summary{cursor:pointer}button{color:inherit;border:0}button:disabled{cursor:not-allowed;opacity:.45}a{color:inherit;text-decoration:none}button,a,summary,input,select{outline-offset:4px}:focus-visible{outline:3px solid var(--accent)}svg{flex-shrink:0;width:21px;height:21px}h1,h2,h3,p{margin:0}h1{letter-spacing:-.04em;font-size:clamp(30px,4vw,46px);font-weight:600;line-height:1.16}h2{letter-spacing:-.025em;font-size:24px;font-weight:600;line-height:1.3}h3{font-size:17px;font-weight:600;line-height:1.45}p{line-height:1.6}[hidden]{display:none!important}.foreign{unicode-bidi:isolate}.arabic,[lang=ar]{letter-spacing:0;font-family:Noto Sans Arabic,sans-serif;line-height:1.95}.layout{min-height:100dvh}.topbar{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;gap:16px;min-height:80px;padding:16px 20px;display:flex}.brand{letter-spacing:-1px;align-items:center;gap:10px;min-height:44px;font-size:24px;font-weight:600;display:inline-flex}.brand-symbol{width:30px;height:37px;color:var(--accent);border:1.5px solid var(--accent);border-radius:6px;place-items:center;padding-bottom:5px;font-size:35px;font-weight:500;line-height:1;display:grid;position:relative}.brand-symbol>span{background:var(--accent);border:2px solid #f6f8fc;width:8px;height:8px;position:absolute;bottom:-3px;right:-3px}.account-tools{align-items:center;gap:8px;min-width:0;display:flex}.user-switch{color:var(--muted);font-size:10px;display:grid}.user-switch>span{display:none}.user-switch select{width:105px;min-height:44px;color:var(--muted);background:0 0;border:0;font-size:12px}.account-name{text-overflow:ellipsis;max-width:120px;font-size:12px;overflow:hidden}.desktop-nav{display:none}main{max-width:1080px;padding:32px 20px calc(var(--nav-height) + 40px + env(safe-area-inset-bottom));margin:auto}main:focus{outline:none}.notice{color:#644211;background:#fff2d9;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px;padding:12px 20px;font-size:13px;line-height:1.5;display:flex}.notice .text-button{color:inherit}.mobile-nav{z-index:5;min-height:var(--nav-height);height:calc(var(--nav-height) + env(safe-area-inset-bottom));padding:6px 16px calc(8px + env(safe-area-inset-bottom));background:var(--surface);border-top:1px solid var(--border);grid-template-columns:repeat(3,1fr);display:grid;position:fixed;bottom:0;left:0;right:0}.mobile-nav a{min-height:54px;color:var(--muted);flex-direction:column;justify-content:center;align-items:center;gap:5px;font-size:11px;display:flex}.mobile-nav a[aria-current]{color:var(--accent);font-weight:600}.mobile-nav a[aria-current] svg{stroke-width:2.4px}.primary,.secondary,.rating-button{text-align:center;border-radius:12px;justify-content:center;align-items:center;gap:12px;min-height:52px;padding:13px 22px;font-size:15px;font-weight:600;line-height:1.45;display:inline-flex}.primary{background:var(--accent);color:#fff;border:1px solid var(--accent)}.primary:hover:not(:disabled){background:#193d9f}.secondary{border:1px solid var(--border);background:0 0}.secondary:hover{background:#edf1f8}.text-button{min-height:44px;color:var(--accent);background:0 0;justify-content:center;align-items:center;gap:7px;padding:8px 2px;font-size:14px;font-weight:500;line-height:1.5;display:inline-flex}.text-button:hover{text-underline-offset:4px;text-decoration:underline}.icon-button{width:44px;min-width:44px;height:44px;color:var(--muted);background:0 0;border-radius:50%;place-items:center;font-size:22px;display:inline-grid}.icon-button:hover{background:#e9eef7}.section-label,.lesson-number{color:var(--muted);margin-bottom:12px;font-size:12px;line-height:1.5;display:block}.supporting{color:var(--muted);font-size:13px;line-height:1.65}.page-heading{margin-bottom:28px}.page-heading>p:last-child{color:var(--muted);margin-top:12px}.page-top{flex-wrap:wrap;justify-content:space-between;align-items:end;gap:24px;margin-bottom:32px;display:flex}.language-picker{border:1px solid var(--border);border-radius:12px;align-items:center;gap:4px;width:fit-content;padding:4px;display:flex}.language-picker button{background:0 0;border-radius:8px;justify-content:center;align-items:center;gap:8px;min-height:44px;padding:8px 12px;font-size:13px;display:flex}.language-picker button>span{color:var(--muted);font-size:16px}.language-picker button[aria-pressed=true]{background:var(--ink);color:#fff}.language-picker button[aria-pressed=true]>span{color:#fff}.grammar-token{border:1.5px solid var(--accent);color:var(--accent);border-radius:6px;padding:0 .17em;display:inline-block}.stack-actions{flex-direction:column;gap:12px;display:flex}.stats-strip{flex-wrap:wrap;gap:24px;margin:24px 0;display:flex}.stats-strip>span{color:var(--muted);gap:7px;max-width:130px;font-size:12px;display:grid}.stats-strip strong{color:var(--ink);font-size:30px;font-weight:500}summary{min-height:48px;padding:12px 0;font-size:14px;line-height:1.6}details>summary{justify-content:space-between;align-items:center;gap:12px;list-style:none;display:flex}details>summary::-webkit-details-marker{display:none}details>summary:after{content:"+";color:var(--muted);font-size:21px;font-weight:400}details[open]>summary:after{content:"−"}dialog{border:1px solid var(--border);background:var(--surface);width:min(520px,100% - 24px);max-height:calc(100dvh - 32px);color:var(--ink);border-radius:20px;padding:28px;overflow-y:auto}dialog::backdrop{background:#182c4680}dialog p{color:var(--muted);margin-top:16px}.dialog-actions{flex-direction:column;gap:12px;margin-top:24px;display:flex}.danger-button{color:#983d29;border-color:#cb8c7e}.primary.danger-button{color:#fff;background:#983d29}.boot-state,.empty-state{gap:22px;max-width:580px;margin:10vh auto;padding:40px 24px;display:grid}@media (width>=900px){.topbar{padding:22px max(32px,50vw - 600px)}.desktop-nav{gap:32px;display:flex}.desktop-nav a{min-height:44px;color:var(--muted);align-items:center;gap:9px;font-size:14px;display:flex}.desktop-nav a[aria-current]{color:var(--accent)}.mobile-nav{display:none}.user-switch>span{display:block}main{padding:48px 32px 64px}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}.practice-entry{border-top:1px solid var(--border);border-bottom:1px solid var(--border);display:grid}.entry-copy{padding:28px 0}.entry-copy h2{max-width:16ch;font-size:28px}.entry-description{color:var(--muted);max-width:40ch;margin-top:18px}.entry-status{align-items:center;gap:8px;margin:26px 0 20px;font-size:13px;line-height:1.6;display:flex}.status-dot{background:var(--accent);border-radius:50%;width:7px;height:7px}.entry-copy .primary{width:100%}.entry-copy>.text-button{margin-top:8px;display:flex}.entry-example{border-top:1px solid var(--border);padding:26px 0 32px}.example-caption{color:var(--muted);margin-bottom:24px;font-size:12px;display:block}.example-line{letter-spacing:-.04em;flex-wrap:wrap;align-items:baseline;gap:.23em;margin-top:12px;font-size:clamp(27px,4vw,36px);line-height:1.7;display:flex}.example-line.arabic{letter-spacing:0;justify-content:flex-start;font-size:34px}.entry-example p{color:var(--muted);margin-top:20px;font-size:13px}.example-translation{color:var(--muted);margin-top:3px;font-size:12px;display:block}.home-notes{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px 28px;margin-top:22px;display:flex}.home-notes p{color:var(--muted);max-width:40ch;font-size:13px}.home-notes strong{color:var(--ink);font-weight:500}.resume-banner{text-align:left;border-bottom:1px solid var(--border);background:0 0;align-items:center;gap:16px;width:100%;padding:22px 0;display:flex}.resume-banner>span{flex:1}.resume-banner strong,.resume-banner small{display:block}.resume-banner strong{font-size:14px;font-weight:500}.resume-banner small{color:var(--muted);margin-top:5px;font-size:12px;line-height:1.6}.available-lesson{border-top:1px solid var(--border);border-bottom:1px solid var(--border);gap:24px;padding:26px 0 32px;display:grid}.available-lesson p{color:var(--muted);margin-top:12px;font-size:14px}.planned-course{margin-top:24px}.planned-course>summary{padding:12px 0}.planned-course>summary small{color:var(--muted);margin-top:6px;font-size:12px;font-weight:400;display:block}.planned-course>summary:after{display:none}.planned-course[open]>summary>svg{transform:rotate(90deg)}.course-stage{margin:28px 0}.course-stage h2{margin-bottom:10px;font-size:19px}.course-unit{border-bottom:1px solid var(--border)}.course-unit summary{justify-content:flex-start;align-items:baseline;padding:16px 0}.course-unit summary:after{margin-left:auto}.unit-number{color:var(--muted);min-width:24px;font-size:12px}.unit-body{padding:0 0 20px 36px}.unit-body>p{color:var(--muted);font-size:14px}.unit-example{gap:8px;padding:18px 0;display:grid}.unit-example .foreign{font-size:21px}.unit-example .arabic{font-size:29px}.unit-example>span:last-child{color:var(--muted);font-size:13px}.back-link{min-height:44px;color:var(--muted);align-items:center;gap:6px;margin:-10px 0 18px;font-size:13px;display:inline-flex}.lesson-actions{flex-wrap:wrap;gap:12px;margin:24px 0;display:flex}.lesson-actions>*{flex:240px}.tabs{border-bottom:1px solid var(--border);gap:4px;margin-bottom:24px;display:flex}.tabs button{overflow-wrap:anywhere;min-width:0;min-height:48px;color:var(--muted);background:0 0;border-bottom:2px solid #0000;flex:1;padding:12px 8px;font-size:14px}.tabs button[aria-selected=true]{color:var(--accent);border-color:var(--accent)}.tabs button span{margin-left:3px;font-size:11px}.theory-card{border-bottom:1px solid var(--border);padding:20px 0}.theory-card h3{margin-bottom:16px}.theory-card .theory-rule,.current-rule .theory-rule,.scheme-explanation .theory-rule{color:var(--ink);font-size:17px}.theory-card p,.current-rule p,.scheme-explanation p{color:var(--muted);margin-top:14px;font-size:14px}.theory-examples{gap:22px;margin:24px 0 8px;display:grid}.theory-examples>div{justify-items:start;gap:10px;display:grid}.theory-examples .foreign{font-size:22px;line-height:1.8}.theory-examples .arabic{font-size:29px}.theory-examples>div>span:last-child{color:var(--muted);font-size:13px}.other-theory{margin-top:36px}.other-theory .theory-card{padding:0}.other-theory .theory-card>:not(summary){padding-bottom:16px}.scheme-heading{display:none}.scheme-row{margin:24px 0}.scheme-row h3{margin-bottom:8px}.scheme-cell{border-bottom:1px solid var(--border);text-align:left;background:0 0;align-items:center;gap:12px;width:100%;min-height:64px;padding:18px 0;display:flex}.cell-label{width:86px;color:var(--muted);flex-shrink:0;font-size:11px}.scheme-cell>.foreign{flex:1;font-size:17px;line-height:1.8}.scheme-cell svg{width:16px}.arabic-schema{display:grid}.arabic-form{border-bottom:1px solid var(--border);background:0 0;justify-content:space-between;align-items:center;gap:12px;min-height:86px;padding:18px 0;display:flex}.arabic-form>span:first-child{color:var(--muted);text-align:left;font-size:13px}.arabic-form .arabic{font-size:28px}.arabic-form svg{width:16px}.arabic-particles{gap:24px;margin:28px 0;display:grid}.arabic-particles .arabic{margin:10px 0;font-size:29px;display:block}.arabic-particles p{color:var(--muted);font-size:14px}.selection-heading{align-items:center;gap:16px;margin:24px 0;display:flex}.selection-heading p{color:var(--muted);font-size:13px}.selection-heading button{flex-shrink:0;font-size:12px}.skill-option{border-bottom:1px solid var(--border);cursor:pointer;align-items:start;gap:16px;padding:22px 0;display:flex}.skill-option input{opacity:0;width:1px;height:1px;position:absolute}.skill-option:has(input:focus-visible){outline:3px solid var(--accent);outline-offset:4px}.checkbox-visual{border:1px solid #8f9eb3;border-radius:6px;flex-shrink:0;place-items:center;width:25px;height:25px;margin-top:2px;display:grid}.checkbox-visual svg{visibility:hidden;width:17px;height:17px}.selected .checkbox-visual{background:var(--accent);border-color:var(--accent);color:#fff}.selected .checkbox-visual svg{visibility:visible}.skill-content{gap:10px;min-width:0;display:grid}.skill-title{font-size:15px;font-weight:500}.skill-content .foreign{font-size:20px}.skill-content .arabic{font-size:28px}.skill-rule,.skill-prerequisite{color:var(--muted);font-size:12px;line-height:1.7}.practice-setup{z-index:4;bottom:calc(var(--nav-height) + env(safe-area-inset-bottom));border-top:1px solid var(--border);background:#fff;grid-template-columns:1fr auto;align-items:center;gap:4px 12px;padding:14px 20px;display:grid;position:fixed;left:0;right:0}.practice-setup h2{font-size:14px}.practice-setup .exercise-count{color:var(--muted);grid-column:1;font-size:11px;line-height:1.5}.practice-setup .primary{grid-area:1/2/3;max-width:160px;padding:10px 12px;font-size:12px}.practice-setup>p{display:none}main:has(.practice-setup){padding-bottom:calc(var(--nav-height) + 140px + env(safe-area-inset-bottom))}.words{border-top:1px solid var(--border);margin-top:32px}.words summary{justify-content:flex-start}.words summary>span{color:var(--muted);margin-left:auto;font-size:12px}.words dl>div{justify-content:space-between;align-items:center;gap:20px;margin:14px 0;display:flex}.words dt .arabic{font-size:27px}.words dd{color:var(--muted);margin:0;font-size:13px}.progress-courses{gap:40px;display:grid}.progress-course{border-top:1px solid var(--border);padding-top:24px}.section-heading p{color:var(--muted);margin-top:10px;font-size:13px}.progress-example{margin:22px 0;font-size:24px}.progress-example .arabic{font-size:32px}.attention-skills{margin:28px 0}.attention-skills>p{margin-top:12px}.attention-row{border-bottom:1px solid var(--border);justify-content:space-between;gap:18px;padding:16px 0;display:flex}.attention-row strong,.attention-row small{display:block}.attention-row strong{font-size:14px;font-weight:500}.attention-row small{color:var(--muted);margin-top:6px;font-size:12px}.attention-row button{align-self:center;font-size:12px}.progress-skills,.progress-details{border-top:1px solid var(--border)}.progress-skills article{border-bottom:1px solid var(--border);padding:18px 0}.progress-skills article p{color:var(--muted);margin-top:8px;font-size:12px}.settings-form{max-width:640px}.settings-form fieldset{border:0;margin:0 0 16px;padding:0}.settings-form legend{margin-bottom:18px;font-size:19px;font-weight:500}.tempo-option{border-bottom:1px solid var(--border);cursor:pointer;align-items:start;gap:14px;padding:18px 0;display:flex}.tempo-option input{accent-color:var(--accent);flex-shrink:0;width:20px;height:20px;margin:2px 0}.tempo-option strong,.tempo-option small{display:block}.tempo-option strong{font-size:15px;font-weight:500}.tempo-option small{color:var(--muted);margin-top:6px;font-size:12px;line-height:1.6}.backup-panel{border-top:1px solid var(--border);max-width:640px;margin-top:48px;padding-top:28px}.backup-actions{flex-wrap:wrap;gap:12px;margin:24px 0 16px;display:flex}.import-label{cursor:pointer;position:relative;overflow:hidden}.import-label input{opacity:0;cursor:pointer;width:100%;position:absolute;inset:0}.import-label:has(input:focus-visible){outline:3px solid var(--accent);outline-offset:4px}.reset-progress{border-top:1px solid var(--border);margin-top:24px}.reset-progress p{color:var(--muted);font-size:13px}.reset-progress .stack-actions{margin-top:18px}.help-sections{max-width:700px}.help-sections details{border-top:1px solid var(--border)}.help-sections summary{padding:18px 0;font-size:17px;font-weight:500}.help-sections details>div{padding-bottom:24px}.help-sections p,.help-sections li{color:var(--muted);margin-top:12px;font-size:14px;line-height:1.75}.help-sections ol,.help-sections ul{padding-left:20px}@media (width>=700px){.practice-entry{grid-template-columns:1.15fr 1fr}.entry-copy{padding:42px 40px 42px 0}.entry-copy h2{font-size:34px}.entry-example{border-top:0;border-left:1px solid var(--border);flex-direction:column;justify-content:center;padding:42px 0 42px 36px;display:flex}.example-line{font-size:32px}.available-lesson{grid-template-columns:1fr auto;align-items:center}.theory-examples{grid-template-columns:1fr 1fr}.arabic-schema,.arabic-particles{grid-template-columns:1fr 1fr;column-gap:36px}.scheme-heading,.scheme-row{grid-template-columns:90px repeat(3,minmax(0,1fr));align-items:center;gap:14px;display:grid}.scheme-heading{color:var(--muted);padding:20px 0 0;font-size:11px}.scheme-cell{border:0;padding:16px 0;display:block}.scheme-cell>.foreign{font-size:15px}.scheme-cell .cell-label,.scheme-cell svg{display:none}.progress-courses{grid-template-columns:1fr 1fr;align-items:start;gap:48px}.lesson-actions>*{flex:0 auto}}@media (width>=900px){.practice-setup{border:1px solid var(--border);border-radius:16px 16px 0 0;width:calc(100% - 64px);max-width:1016px;padding:18px 24px;bottom:0;left:50%;transform:translate(-50%)}.practice-setup .primary{max-width:none;font-size:14px}main:has(.practice-setup){padding-bottom:150px}}.current-rule{overflow-wrap:anywhere;max-width:760px;padding:12px 0 28px}.current-rule>.supporting{margin:0 0 8px}.current-rule h2,.other-theory h2{font-size:21px;line-height:1.5}.lesson-scheme{border-block:1px solid var(--border);margin:24px 0 32px}.lesson-scheme>summary{font-size:17px;font-weight:500}.scheme-explanation{overflow-wrap:anywhere;grid-column:1/-1;min-width:0;padding:20px 0 28px}.scheme-explanation h3{font-size:19px;line-height:1.5}.scheme-cell[aria-expanded=true],.arabic-form[aria-expanded=true]{color:var(--accent)}.common-mistake{max-width:65ch;margin-top:28px}.common-mistake h4{font-size:14px;font-weight:600}.common-mistake>div{flex-wrap:wrap;align-items:baseline;gap:6px 16px;margin-top:12px;display:flex}.common-mistake>div>span:first-child{color:var(--muted);min-width:90px;font-size:12px}.common-mistake .foreign{font-size:18px}.common-mistake .arabic{font-size:25px;line-height:1.9}.arabic-particles>button{text-align:left;background:0 0;min-width:0;padding:16px 0}.arabic-particles>button>strong{font-size:16px;display:block}.arabic-particles>button>small{color:var(--muted);line-height:1.6;display:block}.login-page{flex-direction:column;justify-content:center;gap:1rem;max-width:32rem;min-height:100svh;margin-inline:auto;padding:2rem 1.25rem;display:flex}.login-page .primary{text-align:center;justify-content:center;align-items:center;min-height:48px;display:inline-flex}.training-layout{flex-direction:column;height:100dvh;min-height:0;display:flex}.training-layout .topbar{display:none}.training-layout main{flex:1;width:100%;max-width:860px;min-height:0;padding:0}.card-practice{flex-direction:column;height:100%;display:flex}.cards-header{padding:max(10px, env(safe-area-inset-top)) 16px 10px;flex-shrink:0;justify-content:space-between;align-items:center;gap:8px;display:flex}.cards-header>span,.cards-header .pause-button{color:var(--muted);font-size:12px}.practice-stage{overscroll-behavior:contain;scrollbar-gutter:stable;flex:1;min-height:0;padding:16px 24px 28px;overflow-y:auto}.card-context{color:var(--muted);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px 18px;margin-bottom:22px;font-size:12px;line-height:1.6;display:flex}.card-type{color:var(--accent);align-items:center;gap:6px;display:inline-flex}.card-type:before{content:"";background:currentColor;border-radius:50%;width:6px;height:6px}.card-type[data-kind=correction]{color:var(--error)}.card-type[data-kind=filler]{color:var(--muted)}.learning-card{touch-action:pan-y;overflow-wrap:anywhere;padding:16px 0 24px}.card-side{color:var(--muted);margin-bottom:20px;font-size:12px;display:block}.card-prompt{letter-spacing:-.035em;font-size:clamp(32px,6vw,50px);font-weight:500;line-height:1.3}.learning-card>.supporting{margin-top:10px}.card-answer{border-top:1px solid var(--border);margin-top:32px;padding-top:28px;animation:.16s ease-out answer-in}.card-answer>.foreign{color:var(--ink);font-size:clamp(27px,5vw,39px);line-height:1.65;display:block}.card-answer>.arabic{text-align:right;font-size:clamp(34px,6vw,45px);line-height:2}.card-answer>p{color:var(--muted);margin-top:16px;font-size:14px}.answer-variants{margin-top:16px}.answer-variants summary{color:var(--accent);font-size:13px}.answer-variants .foreign{margin-top:12px;font-size:21px;display:block}.answer-variants .arabic{font-size:29px}.first-practice{border-left:2px solid var(--accent);align-items:center;gap:14px;margin:8px 0 20px;padding:0 0 0 14px;display:flex}.first-practice p{color:var(--muted);font-size:12px}.first-practice button{font-size:12px}.card-controls{background:var(--surface);border-top:1px solid var(--border);padding:8px 20px max(10px, env(safe-area-inset-bottom));text-align:center;flex-shrink:0}.practice-tools{justify-content:space-between;align-items:center;gap:12px;padding-bottom:6px;display:flex}.practice-tools .text-button{color:var(--muted);gap:5px;font-size:12px}.practice-tools svg{width:16px;height:16px}.card-controls>.primary,.reveal-button{width:100%;min-height:56px}.rating-buttons{grid-template-columns:1fr 1fr;gap:10px;display:grid}.rating-button{min-height:56px;padding:12px 8px;font-size:15px}.rating-button.again{color:#813c1c;background:#fcf2ec;border:1px solid #d6ad98}.rating-button.good{background:var(--success);color:#fff;border:1px solid var(--success)}.rating-button:hover:not(:disabled){filter:brightness(.95)}.rating-button:active:not(:disabled){transform:translateY(1px)}.self-rating-note{color:var(--muted);margin-bottom:8px;font-size:12px}.save-status{min-height:20px;color:var(--muted);justify-content:center;align-items:center;gap:6px;padding-top:6px;font-size:11px;display:flex}.save-status[data-connection=error]{color:var(--error)}.saving-dot{background:var(--accent);border-radius:50%;width:6px;height:6px;animation:.9s ease-in-out infinite alternate saving}.queue-summary{color:var(--muted);flex-wrap:wrap;gap:8px 18px;margin:24px 0;font-size:12px;line-height:1.6;display:flex}.queue-summary strong{color:var(--ink)}.practice-context-note{color:var(--muted);font-size:12px;line-height:1.6}.practice-next{border-top:1px solid var(--border);margin-top:12px}.practice-next summary{color:var(--accent);font-size:13px}.learning-wait,.skill-introduction,.completed-training{padding-top:18px}.learning-wait>p,.skill-introduction>p,.completed-training>p{color:var(--muted);margin-top:20px}.learning-wait .section-label,.skill-introduction .section-label{margin-top:0}.learning-wait time{color:var(--ink);font-weight:500}.learning-wait .readiness-note{border-top:1px solid var(--border);border-bottom:1px solid var(--border);padding:18px 0;font-size:14px}.intro-rule{font-size:18px;line-height:1.65}.intro-examples{gap:24px;margin-top:28px;display:grid}.intro-examples>div{border-left:2px solid var(--border);padding-left:18px}.intro-examples p{color:var(--muted);margin-bottom:10px;font-size:13px}.intro-examples .foreign{font-size:24px;line-height:1.8}.intro-examples .arabic{font-size:32px}.next-skill{border-left:2px solid var(--accent);gap:12px;margin:32px 0;padding:12px 0 12px 20px;display:grid}.next-skill .eyebrow{color:var(--accent);font-size:12px}.next-skill p{color:var(--muted);font-size:14px}.next-skill .next-rule{color:var(--ink)}.next-skill h2{font-size:22px}.next-skill .stack-actions{margin-top:8px}.deferred-skill{display:block}.deferred-skill>:not(summary){margin-top:12px}.help-dialog{padding:64px 24px 32px}.dialog-close{position:absolute;top:12px;right:12px}.word-list{margin:24px 0 0}.word-list>div{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;gap:20px;padding:14px 0;display:flex}.word-list dt{font-size:19px}.word-list dd{color:var(--muted);text-align:right;margin:0;font-size:14px}.word-list .arabic{font-size:28px}.method-steps{margin-top:24px;padding-left:22px}.method-steps li{padding:0 0 18px 6px;line-height:1.7}.visit-summary{max-width:670px;margin:24px auto}.visit-summary>p:not(.section-label){color:var(--muted);margin-top:20px}.visit-summary .stats-strip{border-top:1px solid var(--border);border-bottom:1px solid var(--border);margin:32px 0 24px;padding:24px 0}.visit-summary .stack-actions{margin-top:24px}@keyframes answer-in{0%{opacity:0;transform:translateY(3px)}to{opacity:1;transform:translateY(0)}}@keyframes saving{to{opacity:.3}}@media (width>=700px){.cards-header{padding:20px 32px}.practice-stage{padding:24px 48px 36px}.card-controls{padding:12px 48px max(16px, env(safe-area-inset-bottom));border-radius:18px 18px 0 0}.learning-card{padding-top:32px}.card-controls .text-button{font-size:14px}.training-layout{border-left:1px solid var(--border);border-right:1px solid var(--border);max-width:1060px;margin:auto}}@media (height<=620px){.cards-header{padding-top:4px;padding-bottom:4px}.practice-stage{padding-top:8px}.card-controls{padding-top:4px}.card-context{margin-bottom:8px}}@media (width<=699px){.help-dialog{width:100%;max-width:none;max-height:calc(100dvh - 24px);padding-bottom:max(28px, env(safe-area-inset-bottom));border-radius:22px 22px 0 0;margin:auto 0 0}}@media (width>=1200px){.help-dialog{width:400px;max-height:calc(100dvh - 48px);margin:0;position:fixed;inset:24px 24px 24px auto}.help-dialog::backdrop{background:#182c461a}#app:has(.help-dialog[open]) .training-layout{width:calc(100% - 464px);margin-left:24px;margin-right:440px}}.training-set{border-bottom:1px solid var(--border);margin:0 0 24px;padding-bottom:12px;font-size:13px}.training-set>div{flex-wrap:wrap;justify-content:space-between;gap:8px;display:flex}.training-set progress{width:100%;height:5px;accent-color:var(--accent);margin-top:12px;display:block}.training-set summary{min-height:40px;color:var(--muted);align-items:center;display:flex}.training-set ul{padding-left:20px;line-height:1.8}.hint-used{color:var(--muted);margin-top:16px;font-size:12px;line-height:1.6}.cards-header>span{text-align:center}.cards-header .pause-button,.cards-header .icon-button{flex-shrink:0}
