:root{color-scheme:light;--paper:#f7f8f4;--ink:#17352e;--muted:#66776f;--line:#dce3da;--green:#214f40;--lime:#d7ef8a;--white:#fff;--sand:#eee9dd}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,-apple-system,BlinkMacSystemFont,'Segoe UI',Arial,sans-serif;font-size:15px;line-height:1.6}a{color:inherit}button,input,select,textarea{font:inherit}button,a,select,input,textarea{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:default;opacity:.5}button:focus-visible,a:focus-visible,select:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid #669427;outline-offset:4px}button,.button{border-radius:999px;min-height:44px;padding:10px 22px;border:1px solid var(--line);background:var(--white);color:var(--ink);font-weight:600;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:10px}button:hover:not(:disabled),.button:hover{border-color:var(--green);background:#edf3e8}.primary{background:var(--green);color:#fff;border-color:var(--green)}.primary:hover:not(:disabled){background:#123b2d;color:#fff}.accent{background:var(--lime);border-color:var(--lime);color:#183c2f}.icon-button{padding:8px;min-width:44px;font-size:25px}.app-shell{display:grid;grid-template-columns:244px minmax(0,1fr);min-height:100dvh}.sidebar{padding:40px 25px;border-inline-end:1px solid var(--line);display:flex;flex-direction:column;background:#fcfcf8;position:sticky;top:0;height:100dvh}.brand{text-decoration:none;font-weight:850;letter-spacing:3px;font-size:25px;display:flex;align-items:center;gap:16px}.brand span{font-family:serif;font-size:23px;letter-spacing:0;font-weight:400}.product-name{font-size:10px;letter-spacing:2px;color:var(--muted);margin:13px 0 42px}.product-name span{display:block;font-size:15px;letter-spacing:0}.sidebar nav{display:grid;gap:7px}.sidebar nav button{border:0;justify-content:flex-start;background:none;border-radius:14px;padding:14px}.sidebar nav button[aria-current=page]{background:#e9efdf;color:#214d3c}.nav-icon{display:inline-flex}.nav-icon svg{width:21px;height:21px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}.sidebar-foot{margin-top:auto;font-size:12px;color:var(--muted);max-width:175px}.orbit{display:grid;place-items:center;width:48px;height:48px;border:1px solid #bfcbb7;border-radius:50%;font:28px serif;color:#426642;margin-bottom:18px}.workspace{min-width:0}.topbar{height:96px;display:flex;align-items:center;justify-content:space-between;padding:0 5%;border-bottom:1px solid var(--line);gap:16px}.header-actions{display:flex;align-items:center;gap:16px}.eyebrow{font-size:11px;text-transform:uppercase;letter-spacing:2px;font-weight:650;color:var(--muted)}.tag{font-size:11px;padding:5px 11px;background:#edf0e6;border:1px solid var(--line);border-radius:30px}.header-actions select{border:0;background:transparent;color:var(--ink);padding:10px;font-weight:600}main{max-width:1240px;margin:0 auto;padding:44px 5% 50px;outline:none}h1,h2,h3,p{margin:0}h1{font-size:clamp(30px,3.5vw,48px);line-height:1.15;letter-spacing:-1.5px;font-weight:650;margin:8px 0 12px}h2{font-size:24px;line-height:1.3;font-weight:650;letter-spacing:-.5px}h3{font-size:18px;line-height:1.4}.lead{color:var(--muted);max-width:650px;line-height:1.65}.page-title{margin-bottom:28px}.hero{background:var(--green);color:white;border-radius:24px;display:grid;grid-template-columns:1.5fr 1fr;overflow:hidden;padding:32px;position:relative;gap:20px}.hero .eyebrow{color:#d0e3b9}.hero h2{font-size:clamp(28px,3vw,39px);max-width:480px;margin:15px 0}.hero p{color:#d7e4da;max-width:410px;margin-bottom:22px}.hero .accent{color:var(--ink)}.hero-art{display:flex;align-items:center;justify-content:center;min-height:230px;position:relative}.hero-art:before,.hero-art:after{content:'';position:absolute;border:1px solid #658470;border-radius:50%;width:230px;height:230px;transform:rotate(-25deg) scaleX(.8)}.hero-art:after{transform:rotate(25deg) scaleX(.8);width:280px;height:280px}.hero-letter{font-family:Amiri,'Noto Naskh Arabic',serif;font-size:145px;color:var(--lime);position:relative;line-height:1}.hero-caption{position:absolute;bottom:2px;font-size:10px;letter-spacing:3px;color:#d7e4da}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:22px 0 34px}.stat{padding:20px 22px;border:1px solid var(--line);border-radius:18px;background:#fbfcf8}.stat strong{display:block;font-size:30px;line-height:1.25;font-weight:600}.stat span{color:var(--muted);font-size:12px}.section-head{display:flex;align-items:center;justify-content:space-between;gap:15px;margin:30px 0 17px}.section-head p{font-size:12px;color:var(--muted)}.two-col{display:grid;grid-template-columns:1.5fr 1fr;gap:22px}.card{padding:24px;border:1px solid var(--line);border-radius:20px;background:#fff}.card p{margin:10px 0 17px;color:var(--muted)}.card.sand{background:var(--sand);border-color:var(--sand)}.lesson-list{display:grid;gap:10px}.lesson-row{width:100%;border-radius:17px;padding:18px;justify-content:flex-start;text-align:start;background:#fff;gap:18px}.lesson-number{display:grid;place-items:center;flex:none;width:44px;height:44px;border-radius:13px;background:#eff2e8;font-size:15px;font-weight:600}.lesson-copy{flex:1;min-width:0}.lesson-copy small{display:block;color:var(--muted);font-weight:400;font-size:12px;margin-top:4px}.lesson-row.done .lesson-number{background:#d8e8bb}.lesson-row:hover .nav-icon{transform:translateX(3px)}[dir=rtl] .lesson-row:hover .nav-icon{transform:translateX(-3px)}.nav-icon{transition:transform .2s}.comparison{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin:16px 0}.compare-cell{padding:16px;border-radius:15px;background:#f3f5ed;min-width:0}.compare-cell small{display:block;color:#596d5c;font-size:11px}.ar{font-family:Amiri,'Noto Naskh Arabic','Geeza Pro',serif;font-size:30px;line-height:1.85;direction:rtl}.compare-cell .ar{font-size:25px;display:block}.caption{font-size:12px;color:var(--muted);line-height:1.6}.notice{background:#edf2e4;border:1px solid #d8e2cd;border-radius:14px;padding:14px 18px;font-size:13px;margin:20px 0}.notice a{text-decoration:underline}.word-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.word{border:1px solid var(--line);border-radius:15px;padding:18px;min-width:0}.word .ar{display:block}.word small{display:block;color:var(--muted)}.word button{margin-top:12px;font-size:12px;padding:6px 12px}.lesson-rule{padding:20px;background:#f1f4e9;border-radius:16px;margin:20px 0}.lesson-rule p{margin-top:8px}.example{border-inline-start:3px solid #8cae60;padding:12px 20px;margin:20px 0}.example .ar{display:block}.toolbar{display:flex;gap:10px;flex-wrap:wrap;margin:20px 0}.field{display:grid;gap:7px;margin:14px 0;font-size:13px}.field input,.field select,.field textarea,.chat-form textarea{width:100%;padding:13px 15px;background:#fff;color:var(--ink);border:1px solid #c6d1c4;border-radius:13px;min-height:48px}.field textarea,.chat-form textarea{resize:vertical;min-height:100px}.check{display:flex;align-items:flex-start;gap:10px;font-size:12px;line-height:1.5;margin:16px 0;color:var(--muted)}.check input{flex:none;margin-top:4px;width:18px;height:18px;accent-color:var(--green)}.pill-row{display:flex;gap:7px;flex-wrap:wrap;margin:15px 0}.pill-row button{font-size:12px;padding:8px 14px}.pill-row button[aria-pressed=true]{background:var(--green);color:white}.chat-log{display:grid;gap:15px;margin:22px 0}.bubble{padding:22px;border:1px solid var(--line);border-radius:18px;background:#fff;white-space:pre-wrap;overflow-wrap:anywhere}.bubble.user{background:#e8efdc;margin-inline-start:10%;border-color:#dbe5cb}.bubble strong{display:block;font-size:11px;letter-spacing:1px;margin-bottom:10px}.bubble .comparison{white-space:normal}.correction{padding:14px;border-inline-start:3px solid #ad8333;background:#fbf4e5;margin:13px 0}.chat-form{padding:22px;border:1px solid var(--line);border-radius:20px;background:white}.chat-actions{display:flex;justify-content:space-between;gap:12px;margin-top:12px;flex-wrap:wrap}.quiz fieldset{border:0;padding:18px 0;border-bottom:1px solid var(--line)}.quiz legend{font-weight:600;padding-top:16px}.answers{display:grid;grid-template-columns:1fr 1fr;gap:8px}.answer{display:flex;align-items:center;gap:8px;padding:12px;border:1px solid var(--line);border-radius:12px;cursor:pointer}.answer:has(input:checked){background:#e9f2da;border-color:#507a39}.answer .ar{font-size:25px}.result{margin-top:15px;padding:16px;border-radius:12px;background:#edf2e4}.plan-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.plan-week{padding:20px;border:1px solid var(--line);border-radius:17px;background:white}.plan-week ol{padding-inline-start:22px;font-size:13px;color:var(--muted);margin-top:12px}.plan-week li{padding:4px 0}.alphabet{display:grid;grid-template-columns:repeat(7,1fr);gap:8px;direction:rtl}.letter{padding:12px 4px;text-align:center;background:#f1f4e9;border-radius:12px}.letter small{display:block;font-size:10px;color:var(--muted);direction:ltr}.review-card{text-align:center;max-width:650px;margin:25px auto}.review-card .ar{font-size:54px}.review-card .field{text-align:start}.progress-track{height:5px;background:#e1e8db;border-radius:6px;overflow:hidden;margin:12px 0}.progress-track span{display:block;height:100%;background:#87a957}.empty{padding:35px;text-align:center;border:1px dashed #becbb8;border-radius:18px}.settings-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.mobile-nav,.mobile-brand{display:none}footer{padding:20px 5% 35px;color:var(--muted);font-size:11px}footer a{margin-inline-start:12px}dialog{color:var(--ink);background:var(--paper);width:min(820px,calc(100% - 24px));max-height:92dvh;padding:0;border:1px solid var(--line);border-radius:22px}dialog::backdrop{background:#0d261db3;backdrop-filter:blur(4px)}.dialog-head{display:flex;align-items:center;justify-content:space-between;padding:16px 24px;border-bottom:1px solid var(--line);position:sticky;top:0;background:var(--paper);z-index:1}#lesson-body{padding:25px}#toast{position:fixed;bottom:100px;inset-inline:20px;margin:auto;max-width:480px;background:#163b2d;color:#fff;padding:14px 22px;border-radius:14px;z-index:20;box-shadow:0 5px 25px #0002}.sr-only{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}.skip{position:fixed;top:-100px;z-index:40}.skip:focus{top:10px;background:#fff;padding:10px}.sources{font-size:12px;margin-top:20px;display:flex;gap:14px;flex-wrap:wrap}.error{color:#8a3025}.success{color:#2f642b}[hidden]{display:none!important}
@media(min-width:1500px){main{padding-top:55px}.hero{padding:40px}}
@media(max-width:1000px){.app-shell{grid-template-columns:200px minmax(0,1fr)}.sidebar{padding:30px 17px}.brand{font-size:21px;gap:8px}.two-col{grid-template-columns:1fr}.hero-art:after{width:210px;height:210px}.hero-art:before{width:180px;height:180px}.comparison{gap:6px}.compare-cell{padding:12px}.plan-grid{grid-template-columns:1fr 1fr}}
@media(max-width:720px){body{font-size:14px}.app-shell{display:block}.sidebar{display:none}.topbar{height:72px;padding:0 20px}.mobile-brand{display:block;font-weight:850;letter-spacing:2px;text-decoration:none}.topbar>.eyebrow{display:none}.tag{font-size:9px;padding:4px 7px}.header-actions{gap:6px}main{padding:28px 20px 30px}h1{font-size:32px;letter-spacing:-1px}h2{font-size:22px}.hero{padding:25px;grid-template-columns:1fr}.hero-art{display:none}.hero h2{font-size:31px}.hero p{font-size:13px}.stats{gap:8px;margin:16px 0 28px}.stat{padding:16px 12px;border-radius:14px}.stat strong{font-size:26px}.stat span{font-size:10px}.comparison{grid-template-columns:1fr}.compare-cell{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 15px}.compare-cell small{max-width:46%;font-size:11px}.compare-cell .ar{font-size:25px;text-align:end}.card{padding:20px}.section-head{align-items:flex-start}.section-head p{font-size:11px;max-width:110px}.lesson-row{padding:14px;gap:12px}.lesson-copy{font-size:14px}.lesson-number{width:38px;height:38px}.mobile-nav{display:grid;grid-template-columns:repeat(5,1fr);position:fixed;bottom:0;left:0;right:0;background:#fcfcf9f7;backdrop-filter:blur(15px);padding:8px 8px calc(8px + env(safe-area-inset-bottom));border-top:1px solid var(--line);z-index:10}.mobile-nav button{border:0;background:transparent;display:flex;flex-direction:column;gap:4px;padding:8px 2px;min-width:0;font-size:9px;border-radius:12px;line-height:1.2}.mobile-nav button[aria-current=page]{background:#e9efdf}.mobile-nav svg{width:21px;height:21px}footer{padding-bottom:110px}.word-grid{gap:8px}.word{padding:13px}.word .ar{font-size:27px}.word small{font-size:11px}.plan-grid,.settings-grid{grid-template-columns:1fr}.alphabet{grid-template-columns:repeat(4,1fr)}#lesson-body{padding:20px 16px}.dialog-head{padding:10px 16px}.answers{grid-template-columns:1fr}.bubble{padding:17px}.chat-form{padding:17px}.review-card .ar{font-size:42px}dialog{width:calc(100% - 16px);max-height:94dvh}.toolbar button{font-size:12px}.field input{min-width:0}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{transition:none!important;animation:none!important;scroll-behavior:auto!important}}

.dialogue-block{margin:20px 0;border:1px solid var(--line);border-radius:16px;padding:18px}.dialogue-block summary{font-weight:600;cursor:pointer}.dialogue-line{display:flex;align-items:center;gap:12px;border-bottom:1px solid var(--line);padding:10px 0}.dialogue-line small{color:var(--muted)}.dialogue-line .ar{flex:1}.dialogue-line button{font-size:11px;padding:6px 12px}.dialogue-line:last-child{border:0}

.two-col>aside .comparison{grid-template-columns:1fr}.two-col>aside .compare-cell{display:flex;align-items:center;justify-content:space-between;gap:12px}.two-col>aside .compare-cell small{max-width:48%}.two-col>section,.two-col>aside{min-width:0}