:root{--green:#153f36;--ink:#213d34;--paper:#f4f6f0;--muted:#5e6e63;--line:#dfe6da;--ease:cubic-bezier(.22,1,.36,1);--font-ar:'Segoe UI',Tahoma,Arial,sans-serif;--font-en:'Segoe UI',Arial,sans-serif}
html{scroll-behavior:smooth;scroll-padding-top:96px}body{font-family:var(--font-ar);background:radial-gradient(ellipse at 10% 0%,#e9eedf 0,transparent 42%),var(--paper);line-height:1.65}button,input,textarea,select{font-family:inherit}button,a,summary,input,textarea,select{transition:background .2s,color .2s,box-shadow .2s,border-color .2s,transform .25s var(--ease)}button{min-height:42px}button:disabled{opacity:.4;cursor:default;transform:none!important}button:not(:disabled):active{transform:scale(.97)}a{text-underline-offset:4px}::selection{background:#d6e5b3;color:#153f36}
aside{background:linear-gradient(160deg,#194c40,#102e29);color:#f8faee;border:0;box-shadow:-10px 0 50px #17392c08;padding:32px 24px;overflow:auto}.brand{color:#f2f7e4;letter-spacing:-2px}.brand span{font-family:var(--font-en);color:#b8ceaf;letter-spacing:2.5px;font-size:9px}.profile{margin:38px 0 30px;font-size:12px;color:#edf4e8}.avatar{background:#ffffff16;border:1px solid #ffffff20;color:#dcedba;flex-shrink:0}.profile small{color:#aec5b9;font-size:11px}aside nav button{color:#c6d9cc;border:1px solid transparent;padding:13px 15px;border-radius:12px}aside nav button:hover{background:#ffffff0c;color:white}aside nav button.active{color:#1a4537;background:#dceabf;box-shadow:0 4px 14px #0000000d;font-weight:600}aside .side-note{font-size:21px;color:#c4d4c4;margin-top:38px}.side-note strong{color:#e8f1d8}.side-note p{color:#a7bfb3;font-size:12px;max-width:170px;line-height:1.9}.reminder{border-color:#ffffff20;color:#b5cbbb;padding-top:22px}.reminder b{color:#ecf5d9;letter-spacing:1px}.reminder small{color:#a3bdb0;font-size:10px;line-height:1.8}
main{padding:0 46px;max-width:1510px}header{padding:25px 0;font-size:12px;gap:10px;align-items:center}header>span:first-child{display:flex;align-items:center;gap:9px}.status-dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:#749a5f;box-shadow:0 0 0 4px #7c9b6010}.header-separator{color:#b4c1ad;margin:0 2px}.hero{margin:26px 0 24px;padding:30px 35px;background:linear-gradient(115deg,#e6edd8,#eff2e6 60%,#e4ead9);border:1px solid #dce3ce;border-radius:24px;position:relative;overflow:hidden;min-height:330px}.hero h1{font-size:clamp(32px,3.7vw,50px);letter-spacing:-1px;line-height:1.5;margin:13px 0}.hero h1 em{color:#5c7d43}.eyebrow{font-size:10px;letter-spacing:1.8px;color:#59754e;font-weight:700}.hero p{font-size:14px;line-height:1.9;color:#5a6d59}.hero-caption{display:block;font-size:10px;color:#6e7e64;margin-top:12px}.primary{background:#194c3e;box-shadow:0 5px 10px #1b4b3010;padding:11px 21px;border-radius:10px}.primary:hover{background:#28634c;box-shadow:0 8px 18px #1b4b3020;transform:translateY(-2px)}.primary:active{box-shadow:none}.hero-art{height:270px}.orbit{width:245px;height:245px;border-color:#a9bc91}.flashcard{width:175px;height:220px;border-radius:17px}.card-front{box-shadow:0 20px 35px #38532b19;background:#fffff5;animation:cardFloat 8s ease-in-out infinite}.card-front b{font-family:var(--font-en);font-size:45px;line-height:1.2;margin-top:24px;max-width:148px;overflow-wrap:anywhere;text-align:center}.card-front i{font-size:21px;line-height:1.5;text-align:center}.card-front span,.card-front small{font-family:var(--font-en);font-size:8px}.card-back{background:#ccdbb2;color:#8aa16b;font-family:var(--font-en);box-shadow:none}.star{right:2%;top:3%;color:#8ea664;font-size:38px;animation:starTurn 14s ease-in-out infinite}.floating{left:-5px;bottom:5px;font-size:11px;background:#214e3d}.stats{background:#ffffffa8;border:1px solid var(--line);border-radius:14px;padding:21px 0;box-shadow:0 5px 24px #36522c03}.stats strong{font-family:var(--font-en);font-size:25px}.stats strong small{font-family:var(--font-ar)}.stats span{font-size:11px}.lesson-head{margin:34px 0 20px}.lesson-head h2{font-size:29px;letter-spacing:-.6px;line-height:1.55}.lesson-head p{font-size:12px}.lesson-head select{min-height:46px;font-size:12px;max-width:300px;box-shadow:0 2px 5px #12392203}.lesson-head label{font-size:11px}select:focus,input:focus,textarea:focus{border-color:#8da775;box-shadow:0 0 0 3px #9ab87918;outline:0}.study-toolbar{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}.phase{background:#e8ede1;border:1px solid #dde5d2;padding:4px;border-radius:11px;gap:4px}.phase button{background:transparent;border-radius:7px;font-size:12px;min-height:38px;padding:7px 16px}.phase button.active{background:#fff;color:#284c32;box-shadow:0 2px 5px #2747230c;font-weight:600}.timer{display:flex;gap:10px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:11px;padding:5px 10px}.timer-label{font-size:10px;color:var(--muted)}.timer b{font:600 20px var(--font-en);font-variant-numeric:tabular-nums;letter-spacing:1px;min-width:60px}.timer .secondary{font-size:10px;padding:4px 10px;min-height:32px}.timer.running{border-color:#98b57c}.timer.running .timer-label{color:#568044}.icon-button{background:transparent;color:#64765c;font-size:23px;padding:0 6px;min-height:32px}.progress-track{height:5px;border-radius:5px;background:#e2e9d9;overflow:hidden;margin:18px 0 24px}#progressFill{height:100%;background:linear-gradient(90deg,#b9d58a,#658b4c);border-radius:5px;transition:width .55s var(--ease)}
.section-nav{position:sticky;top:10px;z-index:5;display:flex;gap:5px;background:#ffffffef;backdrop-filter:blur(12px);border:1px solid #dde5d4;border-radius:12px;padding:7px;margin:10px 0 24px;box-shadow:0 6px 20px #36522c06;overflow-x:auto;scrollbar-width:thin}.section-nav a{white-space:nowrap;text-decoration:none;font-size:11px;padding:7px 13px;border-radius:7px;min-height:36px;display:grid;place-items:center;color:#5a6f52;flex:1}.section-nav a:hover{background:#edf3e2;color:#214b35}.daily-grid{gap:22px;margin-top:0}.panel{border-radius:16px;padding:26px;border-color:#e0e7d9;box-shadow:0 4px 20px #29402203}.panel:hover{border-color:#c9d6bc}.panel-title{gap:14px;margin-bottom:4px}h3{font-size:17px;font-weight:650}h3>span{font-family:var(--font-en);font-size:10px;padding:8px;color:#557547;background:#edf3e4;min-width:30px;text-align:center}.check{font-size:11px;gap:6px;min-height:38px;padding:4px 9px;background:#f6f8f1;border-radius:8px;color:#526d45}.check:has(input:checked){background:#e9f3dd;color:#386637}.check input{margin:0}.panel .muted{font-size:12px;line-height:1.9}.vocab{gap:12px}.word{text-align:left;padding:12px 14px;border-radius:12px;background:linear-gradient(130deg,#fcfdf8,#f5f8ef);min-height:140px;transition:transform .25s var(--ease),box-shadow .25s,border-color .25s;direction:ltr}.word:hover{transform:translateY(-4px);border-color:#b8cda0;box-shadow:0 8px 15px #40562b09}.word-top{display:flex;justify-content:space-between;align-items:center}.word-number{font:10px var(--font-en);color:#8a9b7c}.word .speak-button{min-height:30px;min-width:32px;border-radius:6px;color:#6a8b4d;padding:2px 6px}.word .speak-button:hover{background:#e5eed9}.word b{font-family:var(--font-en);font-size:17px;margin:8px 0;line-height:1.5;overflow-wrap:anywhere}.word details{text-align:right;direction:rtl;font-size:12px;margin-top:6px}.word summary{font-size:10px}.word details>span{display:block;margin-top:7px;color:#425d37}.sentences{gap:0 28px;margin-top:8px}.sentence{display:flex;align-items:flex-start;gap:14px;direction:ltr;padding:15px 0}.sentence-number{font:10px var(--font-en);color:#89997e;padding-top:5px}.sentence>div{flex:1}.sentence b{font-family:var(--font-en);font-size:14px;line-height:1.9}.sentence div>span{display:block;direction:rtl;text-align:left;font-size:12px;line-height:1.8}.rule{background:#f2f6e9;border-color:#86a569;padding:20px;font-size:14px;line-height:2.2}.quiz{gap:18px 24px}.quiz label{font:13px/1.9 var(--font-en),var(--font-ar);min-width:0}.quiz input{background:#fcfdf9;min-height:43px;font:14px var(--font-en);border-radius:8px}.quiz-feedback{display:block;min-height:19px;font-size:10px;line-height:1.7;color:#7a7858}.quiz input.correct+.quiz-feedback{color:#46773d}.quiz input.wrong+.quiz-feedback{color:#9a633b}.quiz input.correct{background:#f2f9eb;border-color:#8ab47a}.quiz input.wrong{background:#fff8ef;border-color:#d4aa7c}.actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:15px}.secondary{background:#eef3e5;color:#456038;border:1px solid #e3ead8;border-radius:8px;font-size:12px}.secondary:not(:disabled):hover{background:#e0eccf;border-color:#becfa4;transform:translateY(-1px)}.text-button{background:transparent;color:#52773f;padding:8px 5px;font-size:12px;text-decoration:underline;text-decoration-color:#a4bc8b;text-underline-offset:5px}.text-button:hover{color:#254b20}.english{font-family:var(--font-en)}.story{font-size:16px;line-height:2.15;color:#2e4335}.question{font:12px/1.9 var(--font-en);padding:12px 0}.question input{font:13px var(--font-en);background:#fcfdf9;padding:10px}.question summary{font-family:var(--font-ar);font-size:11px}textarea{font:15px/2 var(--font-en);background:repeating-linear-gradient(#fcfdf9,#fcfdf9 29px,#ecf0e5 30px);min-height:240px;padding:14px 17px;border-radius:10px}.writing-meta{margin-top:7px;font-size:10px;line-height:1.8}.tip{font-size:11px;background:#f6f8ef;padding:13px 15px;border-radius:8px}.video{border:1px solid #e1e6d8;background:#f8faf4;transition:transform .3s var(--ease),box-shadow .3s}.video:hover{transform:translateY(-5px);box-shadow:0 10px 18px #24471f0b}.video-art{height:125px;position:relative;background:radial-gradient(circle at 20% 10%,#eff5e2,#d5e4be);overflow:hidden}.video-art>span{border:1px solid #ffffff80;width:47px;height:47px;background:#ffffff66;border-radius:50%;display:grid;place-items:center;font-size:17px;padding-left:3px}.video-art>small{position:absolute;bottom:10px;right:12px;font:9px var(--font-en);letter-spacing:2px}.video:nth-child(2) .video-art{background:radial-gradient(circle at 20% 10%,#fff1de,#ebd4b8)}.video:nth-child(3) .video-art{background:radial-gradient(circle at 20% 10%,#edf6f0,#c5ddd2)}.video-body b{font:600 13px/1.8 var(--font-en);text-align:left;min-height:42px}.video-body p{font-size:11px;line-height:1.9}.video-body small{font:9px var(--font-en);letter-spacing:1px;color:#70805e}.next-step{background:linear-gradient(110deg,#edf3e1,#e3edcf);border:1px solid #d9e4c9;border-radius:15px;margin:25px 0;padding:25px;align-items:center}.next-step h3{font-size:19px}.next-step p{margin-bottom:0;max-width:540px;font-size:12px}.next-step button{white-space:nowrap}.notice{font-size:12px;border:1px solid #d5e1c6}.road{border-radius:12px;padding:18px 20px;box-shadow:0 3px 10px #24471f02;transition:transform .25s,border-color .25s}.road:hover{transform:translateX(-3px);border-color:#afc399}.road.current{border-color:#8faa74;background:#f9fcf4}.road-number{font:500 20px var(--font-en);color:#9daf8d;min-width:29px}.road-info{flex:1;min-width:0}.road-info b{font:600 14px var(--font-en);overflow-wrap:anywhere;display:block}.road small{font-size:10px;line-height:1.9}.road button{white-space:nowrap;font-size:11px;min-height:38px}.road button:hover{background:#d8e9be}.badge{background:#ecf2e2;padding:6px 10px;border:1px solid #dce7cf;border-radius:30px;white-space:nowrap;color:#5b7845;font-size:10px}.arrange-panel{background:linear-gradient(120deg,#fff,#fbfdf7);border-color:#cbdcbc}.arrange-intro{display:flex;align-items:center;gap:20px;justify-content:space-between}.arrange-intro p{max-width:600px}.arrange-translation{font-size:18px;font-weight:600;color:#34552e;margin:12px 0 18px}.word-zone{display:flex;align-items:center;flex-wrap:wrap;gap:9px;min-height:73px;padding:14px 16px;border:1px dashed #c9d9b6;background:#f7faf1;border-radius:12px;margin:13px 0}.answer-zone{background:#f0f6e6;border:1px solid #cadaaf;box-shadow:inset 0 2px 5px #39542b03;min-height:83px}.zone-placeholder{color:#859574;font:13px var(--font-en)}.word-chip{background:white;border:1px solid #cadbb5;padding:9px 15px;border-radius:9px;font:500 15px var(--font-en);box-shadow:0 3px 0 #dce6cc;min-height:43px}.word-chip:hover:not(:disabled){background:#e8f1db;border-color:#92ac71;transform:translateY(-2px)}.word-chip:disabled{opacity:.22;box-shadow:none;background:#eff4e5}.selected-chip{background:#fffef8;border-color:#a9c087}.selected-chip span{font-size:13px;color:#a0ad8e;margin-left:5px}.arrange-bottom{display:flex;align-items:center;justify-content:space-between;gap:12px;border-top:1px solid var(--line);padding-top:17px;margin-top:15px}.arrange-bottom>span{font-size:11px;color:#688254}.feedback{font-size:12px;line-height:1.9;margin:16px 0 0;min-height:23px;color:#6b8059}.feedback.success{background:#edf7e3;color:#3e702c;padding:12px 15px;border-radius:8px}.feedback.warning{background:#fff7e9;color:#8d633c;padding:12px 15px;border-radius:8px}.backup-bar{display:flex;justify-content:space-between;align-items:center;gap:20px;background:#eaf0df;border:1px solid #d7e4c7;padding:23px;border-radius:14px;margin:20px 0}.backup-bar strong{font-size:14px}.backup-bar small{font-size:11px;color:#657b54;margin-top:5px;max-width:490px;line-height:1.9}.backup-bar .actions{flex-shrink:0;margin:0}.notebook-entry .english{white-space:pre-wrap;overflow-wrap:anywhere;background:#f9fbf4;border-radius:10px;padding:20px;font-size:15px;line-height:2}.notebook-entry h3{font:600 15px var(--font-en)}.empty-state{border:1px dashed #b7c9a2;padding:48px 25px;text-align:center;border-radius:16px;background:#fafcf5}.empty-state>span{font-size:42px;color:#9cb77c}.empty-state h3{font-size:19px;margin:10px}.empty-state p{font-size:13px;color:var(--muted)}.review-banner{display:flex;justify-content:space-between;gap:15px;align-items:center;background:#edf4df;border:1px solid #d7e7c4;padding:15px 18px;border-radius:12px;font-size:12px;margin:15px 0}.review-banner>div{display:flex;gap:8px;flex-wrap:wrap}.review-banner button{font:11px var(--font-en)}footer{font-size:10px;padding:25px 0 30px}#toast{display:block;opacity:0;visibility:hidden;transform:translateY(12px);box-shadow:0 8px 25px #183c2e26;font-size:12px;line-height:1.8;max-width:calc(100vw - 40px);transition:opacity .25s,transform .25s,visibility .25s;pointer-events:none}#toast.visible{opacity:1;visibility:visible;transform:translateY(0)}.skip-link{position:fixed;top:-80px;right:270px;z-index:100;background:#fff;border:2px solid #4f7738;padding:12px 20px;border-radius:10px;font-size:13px}.skip-link:focus{top:12px}:focus-visible{outline:3px solid #87a565;outline-offset:4px}.view:not([hidden]){animation:enterView .4s var(--ease)}section[id]{scroll-margin-top:90px}
@keyframes enterView{from{opacity:.5;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes cardFloat{0%,100%{transform:rotate(9deg) translate(30px,0)}50%{transform:rotate(6deg) translate(30px,-8px)}}@keyframes starTurn{0%,100%{transform:rotate(0)}50%{transform:rotate(45deg)}}
@media(min-width:1700px){main{max-width:1450px;margin-left:auto;margin-right:auto;padding-right:265px}.hero{min-height:355px}}@media(max-width:1200px){main{padding:0 25px}.hero{padding:27px}.hero-art{transform:scale(.85)}.hero h1{font-size:38px}.hero{grid-template-columns:1.15fr 1fr}.next-step{padding:22px}.backup-bar{flex-wrap:wrap}.section-nav a{padding:7px 10px;font-size:10px}}
@media(max-width:900px){.hero{grid-template-columns:1fr}.hero-art{display:none}.hero h1{font-size:38px}.study-toolbar{gap:12px}.timer{margin-right:auto}.lesson-head{align-items:flex-start}.lesson-head label{min-width:170px}.vocab{grid-template-columns:repeat(3,1fr)}.next-step{display:block}.next-step button{margin-top:20px}.stats>div{padding-right:12px}.section-nav{top:5px}.road{gap:12px;padding:15px}.road button{font-size:10px}.arrange-intro{align-items:flex-start}}
@media(max-width:760px){body{padding-bottom:80px}aside{position:static;height:auto;overflow:visible;padding:20px;background:transparent;box-shadow:none;color:var(--ink)}.brand{color:#214735;font-size:35px;display:inline-block}.brand span{display:block;font-size:8px;letter-spacing:2px;color:#789563;margin-top:9px}.profile,.side-note,.reminder{display:none}aside nav{position:fixed;bottom:0;right:0;left:0;z-index:20;background:#173d33f5;backdrop-filter:blur(15px);border-top:1px solid #456754;padding:10px 13px calc(10px + env(safe-area-inset-bottom));display:flex;gap:7px;margin:0;box-shadow:0 -5px 20px #183d3312}aside nav button{color:#c5d7c4;font-size:11px;padding:9px 5px;min-height:43px;text-align:center}aside nav button.active{background:#daeac1}.skip-link{right:20px}main{margin:0;padding:0 19px}header{padding:0 0 17px;font-size:10px}header>span:first-child{gap:6px}.header-separator{margin:0}.hero{margin:20px 0;padding:25px;border-radius:18px;min-height:0}.hero h1{font-size:36px;margin:13px 0}.hero p{font-size:13px}.hero .primary{font-size:13px}.hero-caption{font-size:10px}.stats{padding:17px 0;border-radius:12px}.stats strong{font-size:20px}.stats span{font-size:9px}.stats>div{padding-right:9px}.stats strong small{font-size:9px}.lesson-head{display:block;margin:26px 0 18px}.lesson-head h2{font-size:26px}.lesson-head select{max-width:none;font-size:13px}.lesson-head label{margin-top:18px;font-size:11px}.phase{width:100%}.phase button{flex:1;font-size:12px;padding:8px 10px}.timer{width:100%;justify-content:space-between;padding:7px 13px}.timer-label{font-size:11px}.timer b{font-size:22px}.timer .secondary{font-size:11px;padding:7px 13px;min-height:36px}.study-toolbar{gap:12px}.progress-track{margin:17px 0}.section-nav{top:4px;padding:6px;gap:4px;margin-bottom:20px;border-radius:10px}.section-nav a{font-size:11px;padding:7px 12px}.panel{padding:20px;border-radius:14px}.panel-title{gap:8px}h3{font-size:16px}h3>span{font-size:10px;min-width:27px;padding:7px;margin-left:6px}.check{font-size:10px;padding:4px 7px;gap:5px}.vocab{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.word{min-height:139px}.word b{font-size:18px}.sentences{grid-template-columns:1fr}.sentence{padding:14px 0}.sentence b{font-size:14px}.sentence-number{font-size:10px}.quiz{grid-template-columns:1fr;gap:12px}.quiz label{font-size:13px}.rule{font-size:13px;padding:15px}.actions{gap:8px}.actions .primary,.actions .secondary{font-size:12px;padding:9px 13px}.story{font-size:16px}.question{font-size:12px}.arrange-intro{display:block}.arrange-intro .badge{display:inline-block;margin-bottom:4px}.arrange-translation{font-size:16px}.word-zone{padding:12px;gap:8px}.word-chip{font-size:14px;padding:8px 12px;min-height:42px}.arrange-bottom{gap:7px}.arrange-bottom .secondary{font-size:11px;padding:9px 12px}.arrange-bottom>span{font-size:10px}.videos{grid-template-columns:1fr}.video{display:grid;grid-template-columns:100px minmax(0,1fr);direction:ltr}.video-art{height:100%;min-height:145px}.video-art>small{font-size:7px;letter-spacing:1px;right:10px;bottom:12px}.video-body{direction:rtl;padding:15px}.video-body b{min-height:0;font-size:12px}.video-body small{font-size:8px}.video-body p{font-size:11px}.next-step{padding:21px}.next-step h3{font-size:18px}.next-step p{font-size:12px}.road{padding:16px 13px;gap:10px;flex-wrap:wrap}.road-number{font-size:18px;min-width:24px}.road-info{flex-basis:calc(100% - 50px)}.road-info b{font-size:13px}.road button{margin-right:34px;font-size:11px;padding:7px 15px}.backup-bar{padding:20px;gap:15px}.backup-bar .actions{flex-wrap:wrap}.notebook-entry .panel-title{align-items:flex-start;flex-direction:column}.notebook-entry h3{font-size:14px}.review-banner{display:block;font-size:11px}.review-banner button{font-size:10px}footer{font-size:10px;line-height:1.9;display:block;padding-bottom:24px}#toast{bottom:86px;left:19px;right:19px;max-width:none;padding:14px 18px;font-size:12px}.empty-state{padding:30px 20px}.empty-state h3{font-size:17px}}
@media(max-width:360px){.hero h1{font-size:31px}.hero{padding:21px}.panel{padding:16px}header{font-size:9px}.check{font-size:9px}.panel-title h3{font-size:14px}.stats span{font-size:8px}.stats strong{font-size:18px}.phase button{font-size:11px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}html{scroll-behavior:auto}.word:hover,.video:hover,.primary:hover,.secondary:hover,.road:hover{transform:none}}
#heroWord.long-word{font-size:31px;letter-spacing:-1px}.review-banner .secondary{font-size:10px;min-height:32px;padding:5px 10px}.review-banner>div>div{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
@media(max-width:760px){body{padding-bottom:calc(90px + env(safe-area-inset-bottom))}.quiz input,.question input,textarea,.lesson-head select{font-size:16px}.panel-title h3,.video-body,.road-info{min-width:0}.video-body b,.notebook-entry .english{overflow-wrap:anywhere}}
@media print{aside,header,.hero,.stats,.section-nav,.next-step,footer,.timer,.actions,#toast,.skip-link,.check,.backup-bar{display:none!important}main{margin:0!important;padding:0}.panel{box-shadow:none;break-inside:avoid}.view[hidden]{display:none!important}.daily-grid{display:block}.panel{margin-bottom:15px}.notebook-entry .english{background:white}}