@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+Arabic:wght@400;500;600;700;800&display=swap');
:root{--ink:#202a27;--muted:#7d8882;--line:#e8ebe5;--paper:#f8f8f3;--card:#fff;--green:#0d5c4e;--green-deep:#09463c;--green-soft:#e9f2ed;--mint:#bddccf;--gold:#eebc76;--terra:#c87551;--shadow:0 12px 35px rgba(25,55,44,.06);--radius:22px;--font:'Noto Sans Arabic',Tahoma,Arial,sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--font);font-size:14px;line-height:1.7}button,input,select{font:inherit}button{color:inherit}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid rgba(13,92,78,.22);outline-offset:3px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.app-shell{min-height:100vh}.sidebar{position:fixed;inset:0 0 0 auto;width:256px;background:#fff;border-left:1px solid var(--line);padding:28px 18px 18px;display:flex;flex-direction:column;z-index:20}.brand{display:flex;align-items:center;gap:12px;color:inherit;text-decoration:none;padding:0 8px 29px}.brand-mark{width:46px;height:46px;display:grid;place-items:center;background:var(--green);color:var(--gold);border-radius:16px;box-shadow:0 8px 18px #0d5c4e24}.brand-mark svg{width:35px;height:35px}.brand-copy{display:flex;flex-direction:column;line-height:1.25}.brand-copy strong{font-size:22px;letter-spacing:-.7px;color:var(--green-deep);font-weight:800}.brand-copy small{font-size:10px;color:var(--muted);margin-top:4px}.sidebar-label{color:#a1aaa4;font-size:10px;font-weight:700;padding:4px 13px 12px;letter-spacing:.3px}.primary-nav{display:grid;gap:5px}.nav-item{height:46px;border:0;background:transparent;border-radius:13px;display:flex;align-items:center;gap:12px;padding:0 13px;text-align:right;color:#6b7770;cursor:pointer;transition:background .18s,color .18s;position:relative}.nav-item:hover{background:#f6f8f4;color:var(--green)}.nav-item.is-active{background:var(--green-soft);color:var(--green);font-weight:700}.nav-item.is-active:before{content:"";position:absolute;right:0;height:21px;width:3px;border-radius:5px;background:var(--green)}.nav-icon,.mobile-nav-item>span,.icon-button>span,.search-icon{width:19px;height:19px;display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto}.nav-icon svg,.mobile-nav-item svg,.icon-button svg,.search-icon svg{width:100%;height:100%;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.nav-count{margin-right:auto;width:22px;height:22px;border-radius:8px;background:#fff;color:var(--green);display:grid;place-items:center;font-size:10px}.sidebar-bottom{margin-top:auto}.sidebar-tip{position:relative;overflow:hidden;background:#f3f6ee;border:1px solid #edf0e7;border-radius:17px;padding:16px 15px;margin:15px 1px 17px;min-height:106px}.sidebar-tip p{position:relative;z-index:1;margin:0;font-size:12px;color:#707c73;line-height:1.95}.sidebar-tip strong{color:var(--green);font-size:13px}.tip-spark{position:absolute;top:12px;left:15px;font-size:15px;color:#c68b4b}.tip-orbit{position:absolute;border:1px solid #d5e2d8;border-radius:50%;width:82px;height:82px;left:-28px;bottom:-49px}.orbit-two{width:57px;height:57px;left:-15px;bottom:-36px}.profile-button{width:100%;border:0;border-top:1px solid var(--line);padding:15px 5px 2px;background:transparent;display:flex;align-items:center;text-align:right;gap:10px;cursor:pointer}.avatar{width:37px;height:37px;display:inline-grid;place-items:center;border:0;border-radius:13px;background:#e9f0eb;color:var(--green);font-weight:800;font-size:14px;flex:0 0 auto}.profile-copy{display:flex;flex-direction:column;line-height:1.4}.profile-copy strong{font-size:11px}.profile-copy small{font-size:9px;color:var(--muted);margin-top:3px}.profile-dots{margin-right:auto;color:#9ba49e;font-size:12px;letter-spacing:1px}.main-area{margin-right:256px;min-height:100vh;display:flex;flex-direction:column}.topbar{height:78px;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:0 clamp(22px,4vw,58px);border-bottom:1px solid #eaede7;background:rgba(248,248,243,.92);position:sticky;top:0;z-index:15;backdrop-filter:blur(14px)}.breadcrumbs{display:flex;align-items:center;gap:11px;font-size:11px;color:#929b95;white-space:nowrap}.breadcrumbs strong{color:#48534d;font-weight:700}.crumb-slash{color:#c3cac4}.topbar-actions{display:flex;align-items:center;gap:12px}.search-box{width:min(260px,24vw);height:40px;position:relative;display:flex;align-items:center;gap:9px;background:#fff;border:1px solid #e7ebe5;border-radius:12px;padding:0 11px;color:#929d96}.search-box input{width:100%;min-width:0;border:0;outline:0!important;background:transparent;color:var(--ink);font-size:11px}.search-box input::placeholder{color:#a7afa9}.search-box kbd{border:1px solid #edf0ec;background:#f9faf7;border-radius:5px;padding:0 5px;font-size:11px;color:#adb4af}.search-results{position:absolute;top:47px;right:0;width:min(350px,85vw);max-height:350px;overflow:auto;border:1px solid var(--line);border-radius:15px;background:#fff;box-shadow:var(--shadow);padding:8px;z-index:40}.search-result{width:100%;border:0;background:#fff;text-align:right;padding:10px 11px;border-radius:10px;cursor:pointer;display:flex;align-items:center;gap:10px}.search-result:hover{background:#f3f7f3}.search-result strong{font-size:11px;display:block}.search-result small{font-size:9px;color:var(--muted);display:block;margin-top:3px}.result-type{width:31px;height:31px;border-radius:10px;background:#eff5f0;color:var(--green);display:grid;place-items:center;font-size:12px;flex:0 0 auto}.search-empty{padding:12px;color:var(--muted);font-size:11px}.grade-select-wrap{position:relative;display:flex;align-items:center;gap:4px;height:39px;background:#fff;border:1px solid #e7ebe5;border-radius:11px;padding:0 10px;color:#758079}.grade-cap{font-size:9px;color:#98a19b}.grade-select-wrap select{appearance:none;border:0;outline:0;background:transparent;color:#39453f;font-size:10px;font-weight:700;padding:0 3px 0 15px;cursor:pointer}.select-chevron{position:absolute;left:9px;pointer-events:none;font-size:13px;color:#89958e}.icon-button{width:38px;height:38px;border:1px solid #e7ebe5;background:#fff;border-radius:11px;display:grid;place-items:center;color:#66736b;cursor:pointer;position:relative}.icon-button>span{width:17px;height:17px}.notification-button i{position:absolute;top:8px;right:9px;width:5px;height:5px;border-radius:50%;background:var(--terra);border:1px solid #fff}.avatar-top{width:37px;height:37px;cursor:pointer}.content-wrap{width:min(1160px,100%);margin:0 auto;padding:34px clamp(22px,4vw,58px) 38px;flex:1}.app-footer{display:flex;justify-content:space-between;gap:15px;padding:0 clamp(22px,4vw,58px) 17px;color:#9aa39d;font-size:9px}.loading-state{min-height:55vh;display:grid;place-content:center;justify-items:center;color:var(--muted);font-size:12px}.loader{width:26px;height:26px;border:2px solid #dce8df;border-top-color:var(--green);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}
.demo-note{display:inline-flex;align-items:center;gap:7px;border:1px solid #f0dfc2;background:#fff8eb;color:#927041;border-radius:999px;padding:5px 11px;font-size:9px;font-weight:600}.demo-note .dot{width:6px;height:6px;background:#d99a46;border-radius:50%}.page-intro{display:flex;justify-content:space-between;align-items:flex-end;gap:18px;margin:16px 0 23px}.page-intro h1{font-size:24px;line-height:1.5;letter-spacing:-.6px;margin:8px 0 3px;font-weight:800;color:#21342e}.page-intro p{margin:0;font-size:11px;color:#849087}.page-kicker{font-size:10px;color:var(--green);font-weight:700;letter-spacing:.3px}.home-grid{display:grid;grid-template-columns:minmax(0,1.72fr) minmax(220px,.9fr);gap:17px;align-items:stretch}.hero-card{min-height:226px;border-radius:24px;background:var(--green);color:white;position:relative;overflow:hidden;padding:27px 29px;display:flex;align-items:center;box-shadow:0 15px 35px #0b59431a}.hero-copy{position:relative;z-index:2;max-width:62%}.hero-overline{display:inline-flex;align-items:center;gap:7px;color:#cee3d7;font-size:10px;margin-bottom:11px}.hero-overline .mini-dot{width:6px;height:6px;border-radius:50%;background:#efbd77}.hero-card h1{font-size:25px;line-height:1.5;margin:0 0 7px;letter-spacing:-.7px;font-weight:800}.hero-card p{font-size:11px;line-height:1.9;color:#d6e6dd;margin:0 0 18px;max-width:360px}.button-primary{border:0;display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:39px;border-radius:11px;padding:0 15px;background:#f1bf7b;color:#263a31;font-size:10px;font-weight:800;cursor:pointer;transition:transform .18s,filter .18s}.button-primary:hover{transform:translateY(-2px);filter:brightness(1.04)}.button-primary svg{width:14px;height:14px;stroke:currentColor;fill:none;stroke-width:2}.button-secondary{min-height:37px;padding:0 13px;border:1px solid #dce8df;border-radius:10px;background:#fff;color:var(--green);font-size:10px;font-weight:700;cursor:pointer}.button-secondary:hover{background:#f2f7f3}.hero-art{position:absolute;width:265px;height:265px;border-radius:50%;left:5%;top:50%;transform:translateY(-50%);background:radial-gradient(circle at 53% 48%,#277765 0 29%,transparent 29.5%),radial-gradient(circle at 50% 50%,transparent 0 45%,#ffffff12 45.5% 46%,transparent 46.5% 59%,#ffffff12 59.5% 60%,transparent 60.5%);opacity:.95}.hero-art:before,.hero-art:after{content:"";position:absolute;top:50%;left:50%;border:1px solid #f4c98466;border-radius:50%;transform:translate(-50%,-50%) rotate(-28deg);width:220px;height:70px}.hero-art:after{transform:translate(-50%,-50%) rotate(56deg);width:200px;height:65px;border-color:#b5d6c255}.dna-stem{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);height:135px;width:82px}.dna-stem i{position:absolute;left:0;right:0;height:2px;background:#f3c17b;top:calc(var(--i)*20px);transform:rotate(calc(var(--i)*24deg - 40deg));border-radius:2px;opacity:.87}.dna-stem i:nth-child(2n){background:#d9ece0}.orbit-dot{position:absolute;width:8px;height:8px;border-radius:50%;background:#f1bd77;box-shadow:0 0 0 5px #f1bd771e}.orbit-dot.d1{top:32px;left:48px}.orbit-dot.d2{right:29px;bottom:42px;background:#d7eadb}.orbit-dot.d3{right:42px;top:36px;width:5px;height:5px}.hero-glow{position:absolute;width:115px;height:115px;border-radius:50%;background:#f1bd77;filter:blur(70px);opacity:.14;left:22%;top:7%}.progress-card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:20px 20px 18px;position:relative;overflow:hidden}.card-heading{display:flex;justify-content:space-between;align-items:center;gap:8px}.card-heading h2,.section-heading h2{font-size:13px;margin:0;font-weight:800;color:#314139}.tiny-icon{width:29px;height:29px;border-radius:10px;background:#f4f6ef;color:#c78b4d;display:grid;place-items:center;font-size:14px}.progress-ring-wrap{display:grid;place-items:center;padding:15px 0 12px}.progress-ring{width:113px;height:113px;position:relative;display:grid;place-items:center}.progress-ring svg{position:absolute;inset:0;transform:rotate(-90deg);width:100%;height:100%}.progress-ring .ring-track{fill:none;stroke:#edf1eb;stroke-width:8}.progress-ring .ring-fill{fill:none;stroke:var(--green);stroke-width:8;stroke-linecap:round;stroke-dasharray:283;stroke-dashoffset:198;transition:stroke-dashoffset .5s}.ring-number{display:flex;flex-direction:column;align-items:center;line-height:1.3}.ring-number strong{font-size:23px;color:#2e453b}.ring-number small{font-size:8px;color:#98a19a;margin-top:4px}.progress-caption{text-align:center;font-size:10px;color:#768078;margin:0}.progress-caption strong{color:var(--green)}.stats-row{display:flex;justify-content:center;gap:16px;border-top:1px solid #f0f2ed;margin-top:14px;padding-top:12px}.mini-stat{text-align:center;display:flex;flex-direction:column;line-height:1.4}.mini-stat b{font-size:12px;color:#35453c}.mini-stat span{font-size:8px;color:#99a19b;margin-top:3px}.stat-separator{height:26px;width:1px;background:#edf0eb}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:29px 0 13px}.section-heading h2{font-size:14px}.section-heading p{margin:3px 0 0;font-size:9px;color:#929b95}.text-link{display:inline-flex;align-items:center;gap:5px;border:0;background:transparent;color:var(--green);font-size:10px;font-weight:700;cursor:pointer;padding:7px 0}.text-link:hover{color:#0b4036}.text-link .arrow{font-size:15px}.continue-card{background:#fff;border:1px solid var(--line);border-radius:17px;padding:14px;display:grid;grid-template-columns:42px 1fr auto;align-items:center;gap:13px;transition:box-shadow .2s,border-color .2s}.continue-card:hover{box-shadow:var(--shadow);border-color:#d8e6dc}.lesson-symbol{width:42px;height:42px;border-radius:13px;background:#e8f1eb;display:grid;place-items:center;color:var(--green);font-size:17px}.continue-copy{min-width:0}.continue-copy small{display:block;font-size:9px;color:#97a099;margin-bottom:2px}.continue-copy strong{font-size:11px;display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.continue-copy span{display:block;color:#929b95;font-size:9px;margin-top:2px}.continue-card .button-secondary{white-space:nowrap}.content-type-tabs{display:flex;gap:7px}.filter-pill{border:1px solid #e5eae4;background:#fff;color:#77827b;padding:6px 11px;border-radius:999px;font-size:9px;cursor:pointer}.filter-pill.is-active,.filter-pill:hover{border-color:#c7dbce;background:#eff5f0;color:var(--green);font-weight:700}.unit-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px}.unit-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:15px;min-height:155px;cursor:pointer;transition:transform .18s,box-shadow .18s,border-color .18s;position:relative;overflow:hidden}.unit-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#cfddd3}.unit-card:after{content:"";position:absolute;width:92px;height:92px;border-radius:50%;left:-35px;bottom:-49px;background:var(--unit-color,#e6f1eb);opacity:.55}.unit-top{display:flex;justify-content:space-between;align-items:flex-start}.unit-badge{width:32px;height:32px;border-radius:11px;background:var(--unit-color,#e8f2ec);color:var(--green);display:grid;place-items:center;font-size:14px}.unit-order{font-size:9px;color:#a0a8a1}.unit-card h3{font-size:11px;margin:13px 0 2px}.unit-card p{margin:0;color:#99a19b;font-size:9px}.unit-footer{display:flex;align-items:center;justify-content:space-between;margin-top:13px}.unit-footer span{font-size:9px;color:#818b84}.unit-footer b{font-size:12px;color:var(--green);font-weight:500}.content-list{display:grid;gap:10px}.content-row{display:grid;grid-template-columns:39px minmax(0,1fr) auto;align-items:center;gap:12px;background:#fff;border:1px solid var(--line);border-radius:15px;padding:12px 14px}.content-row .lesson-symbol{width:39px;height:39px}.content-row h3{font-size:11px;margin:0}.content-row p{font-size:9px;color:#919a94;margin:2px 0 0}.content-row-actions{display:flex;align-items:center;gap:12px}.duration{font-size:9px;color:#98a19a;white-space:nowrap}.source-inline{font-size:9px;color:#a17741;background:#fff7e9;border-radius:7px;padding:4px 7px}.lesson-detail{background:#fff;border:1px solid var(--line);border-radius:19px;padding:22px;margin-top:18px}.lesson-detail h2{font-size:17px;margin:0 0 6px}.lesson-detail p{font-size:11px;color:#69766e;line-height:2}.detail-columns{display:grid;grid-template-columns:1fr 1fr;gap:14px}.detail-block{border:1px solid #eef0eb;border-radius:14px;padding:14px}.detail-block h3{font-size:11px;margin:0 0 8px;color:var(--green)}.detail-block ul{padding:0 18px 0 0;margin:0;color:#69766e;font-size:10px}.detail-block li{margin:4px 0}.term-chip{display:inline-flex;gap:5px;align-items:center;padding:5px 9px;background:#f1f6f1;border-radius:9px;margin:3px;font-size:9px;color:#54675b}.term-chip b{color:var(--green)}.source-box{margin-top:14px;background:#fff8ed;border:1px solid #f2e6d4;border-radius:12px;padding:10px 13px;color:#846b47;font-size:9px}.source-box strong{display:block;color:#775b32;margin-bottom:3px}.empty-state{background:#fff;border:1px dashed #dbe3dc;border-radius:18px;padding:32px;text-align:center;color:#859088;font-size:11px}.empty-state strong{display:block;color:#44564b;font-size:13px;margin-bottom:6px}.summary-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:15px 17px}.summary-card h3{font-size:11px;margin:0 0 5px}.summary-card p{font-size:10px;line-height:1.9;color:#69766e;margin:0}.summary-meta{display:flex;align-items:center;justify-content:space-between;margin-top:11px;color:#98a19a;font-size:8px}.quiz-intro{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(220px,.75fr);gap:15px}.quiz-banner{background:#f2f5ec;border:1px solid #e8eee3;border-radius:20px;padding:23px;position:relative;overflow:hidden}.quiz-banner h2{font-size:18px;margin:8px 0 4px}.quiz-banner p{font-size:10px;color:#77827a;margin:0 0 16px}.quiz-banner .quiz-illustration{position:absolute;left:6%;top:14%;font-size:53px;opacity:.22;color:#528268}.quiz-info{background:#fff;border:1px solid var(--line);border-radius:19px;padding:20px}.quiz-info h3{font-size:12px;margin:0 0 12px}.quiz-info p{font-size:10px;color:#78827c;line-height:1.9;margin:0}.quiz-question{background:#fff;border:1px solid var(--line);border-radius:19px;padding:20px;margin-top:15px}.quiz-progress{height:5px;border-radius:5px;background:#eff2ee;margin-bottom:18px;overflow:hidden}.quiz-progress span{height:100%;display:block;background:var(--green);border-radius:5px;transition:width .3s}.question-top{display:flex;justify-content:space-between;align-items:center;color:#8b958e;font-size:9px;margin-bottom:8px}.quiz-question h3{font-size:14px;margin:0 0 16px}.answer-list{display:grid;gap:8px}.answer-option{display:flex;align-items:center;gap:10px;width:100%;border:1px solid #e8ece7;background:#fff;border-radius:12px;text-align:right;padding:11px 12px;cursor:pointer;font-size:10px;transition:border-color .15s,background .15s}.answer-option:hover{border-color:#b6d0bf;background:#fbfdfb}.answer-option.is-selected{border-color:#6aa084;background:#eef6f0;color:var(--green);font-weight:700}.option-letter{width:23px;height:23px;border:1px solid #e8ece7;border-radius:8px;display:grid;place-items:center;color:#87938b;flex:0 0 auto;font-size:9px}.answer-option.is-selected .option-letter{background:var(--green);color:#fff;border-color:var(--green)}.answer-feedback{margin-top:12px;padding:11px 13px;border-radius:11px;font-size:10px;line-height:1.8}.answer-feedback.correct{background:#eef7f0;color:#236447}.answer-feedback.incorrect{background:#fff3ed;color:#9b5438}.quiz-controls{display:flex;justify-content:space-between;align-items:center;margin-top:17px}.quiz-result{text-align:center;padding:35px 18px}.result-medal{margin:0 auto 13px;width:68px;height:68px;border-radius:23px;background:#f5f0e4;color:#bf8e49;display:grid;place-items:center;font-size:29px}.quiz-result h2{font-size:19px;margin:0}.quiz-result p{font-size:11px;color:#78827c}.result-score{font-size:31px;color:var(--green);font-weight:800;margin:12px 0}.result-review{max-width:600px;text-align:right;margin:20px auto}.result-review details{border:1px solid var(--line);border-radius:12px;padding:11px 13px;margin:8px 0;background:#fff;font-size:10px}.result-review summary{cursor:pointer;font-weight:700}.result-review p{margin:8px 0 0}.progress-dashboard{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:17px}.metric-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:16px}.metric-card span{font-size:9px;color:#8f9992}.metric-card strong{display:block;font-size:20px;color:var(--green);margin-top:6px}.metric-card small{font-size:9px;color:#9aa39d}.source-legend{display:flex;gap:8px;align-items:center;flex-wrap:wrap;font-size:9px;color:#879189;margin-top:12px}.lesson-dialog{border:0;padding:0;width:min(680px,calc(100vw - 28px));max-height:86vh;border-radius:22px;box-shadow:0 25px 80px #10251e35;color:var(--ink)}.lesson-dialog::backdrop{background:rgba(23,37,31,.46);backdrop-filter:blur(3px)}.dialog-close{position:sticky;top:13px;float:left;margin:12px 12px 0 0;z-index:2;width:34px;height:34px;border:1px solid var(--line);background:#fff;border-radius:11px;font-size:22px;line-height:1;cursor:pointer;color:#657168}.dialog-inner{padding:31px 28px 26px}.dialog-eyebrow{font-size:9px;color:var(--green);font-weight:700}.dialog-inner h2{font-size:20px;margin:7px 0}.dialog-inner>p{font-size:11px;color:#657168;line-height:2}.dialog-inner h3{font-size:11px;color:var(--green);margin:17px 0 8px}.dialog-inner ul{font-size:10px;color:#637168;padding-right:18px}.toast{position:fixed;bottom:23px;left:24px;z-index:80;background:#203a30;color:white;padding:10px 15px;border-radius:12px;font-size:10px;box-shadow:var(--shadow);opacity:0;transform:translateY(9px);pointer-events:none;transition:.25s}.toast.show{opacity:1;transform:translateY(0)}.mobile-nav{display:none}
@media(max-width:1120px){.sidebar{width:225px}.main-area{margin-right:225px}.content-wrap{padding-right:29px;padding-left:29px}.topbar{padding-right:29px;padding-left:29px}.app-footer{padding-right:29px;padding-left:29px}.hero-card{padding:23px}.hero-art{left:-1%;transform:translateY(-50%) scale(.86)}.home-grid{grid-template-columns:minmax(0,1.4fr) minmax(205px,.8fr)}}
@media(max-width:860px){.sidebar{width:74px;padding:22px 11px 13px;align-items:center}.brand{padding:0 0 27px}.brand-copy,.sidebar-label,.nav-item>span:not(.nav-icon),.sidebar-tip,.profile-copy,.profile-dots{display:none}.primary-nav{width:100%;gap:8px}.nav-item{justify-content:center;padding:0;width:48px;height:46px;margin:auto}.nav-item.is-active:before{right:-11px}.nav-icon{width:20px;height:20px}.profile-button{justify-content:center;padding:14px 0 0}.main-area{margin-right:74px}.home-grid{grid-template-columns:1fr}.progress-card{display:grid;grid-template-columns:1fr 1fr;align-items:center}.progress-card .card-heading{grid-column:1/-1}.progress-ring-wrap{padding:8px 0}.progress-caption{align-self:center}.stats-row{grid-column:1/-1}.hero-card{min-height:205px}.hero-art{left:1%;transform:translateY(-50%) scale(.77)}}
@media(max-width:620px){body{font-size:13px}.sidebar{display:none}.main-area{margin:0;padding-bottom:71px}.topbar{height:64px;padding:0 16px;gap:8px}.breadcrumbs{font-size:9px;gap:6px}.topbar-actions{gap:7px}.search-box{width:38px;padding:0;justify-content:center;border:0;background:transparent}.search-box .search-icon{color:#5e6c63}.search-box input,.search-box kbd{display:none}.search-box:focus-within{position:absolute;inset:10px 14px auto;height:42px;width:auto;z-index:30;background:#fff;padding:0 11px;border:1px solid var(--line);box-shadow:var(--shadow)}.search-box:focus-within input{display:block}.search-box:focus-within .search-results{top:45px}.grade-select-wrap{height:35px;padding:0 7px;gap:2px}.grade-cap{display:none}.grade-select-wrap select{font-size:9px;padding-left:13px}.select-chevron{left:6px}.notification-button{width:34px;height:34px}.avatar-top{width:34px;height:34px}.content-wrap{padding:22px 16px 24px}.app-footer{padding:0 16px 13px;flex-direction:column;gap:3px;font-size:8px}.page-intro{margin:12px 0 17px;align-items:flex-start;flex-direction:column;gap:7px}.page-intro h1{font-size:20px}.page-intro p{font-size:10px}.hero-card{min-height:224px;padding:21px 19px;border-radius:20px}.hero-copy{max-width:75%}.hero-card h1{font-size:21px}.hero-card p{font-size:10px;max-width:240px}.hero-art{left:-17%;transform:translateY(-50%) scale(.65);opacity:.72}.progress-card{padding:15px}.progress-ring{width:91px;height:91px}.progress-ring .ring-fill,.progress-ring .ring-track{stroke-width:9}.progress-ring .ring-fill{stroke-dasharray:283;stroke-dashoffset:198}.ring-number strong{font-size:19px}.section-heading{margin:24px 0 11px}.section-heading h2{font-size:13px}.content-type-tabs{overflow:auto;max-width:65%}.filter-pill{white-space:nowrap}.continue-card{grid-template-columns:38px minmax(0,1fr);padding:12px;gap:10px}.continue-card .button-secondary{grid-column:1/-1;width:100%}.lesson-symbol{width:38px;height:38px}.continue-copy strong{font-size:10px}.unit-grid{grid-template-columns:1fr;gap:9px}.unit-card{min-height:124px;padding:13px}.unit-card h3{margin-top:8px}.unit-footer{margin-top:8px}.content-row{grid-template-columns:37px minmax(0,1fr);gap:10px;padding:11px}.content-row-actions{grid-column:2;justify-content:space-between}.content-row h3{font-size:10px}.detail-columns{grid-template-columns:1fr}.quiz-intro{grid-template-columns:1fr}.quiz-banner{padding:19px}.quiz-banner h2{font-size:16px}.quiz-info{padding:16px}.quiz-question{padding:15px}.quiz-question h3{font-size:12px}.progress-dashboard{grid-template-columns:1fr 1fr}.metric-card:last-child{grid-column:1/-1}.mobile-nav{position:fixed;display:flex;bottom:0;right:0;left:0;height:65px;background:rgba(255,255,255,.96);border-top:1px solid var(--line);z-index:25;justify-content:space-around;align-items:center;padding:4px 7px max(4px,env(safe-area-inset-bottom));backdrop-filter:blur(12px)}.mobile-nav-item{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;width:22%;height:50px;background:transparent;border:0;border-radius:11px;color:#929c95;cursor:pointer}.mobile-nav-item>span{width:18px;height:18px}.mobile-nav-item small{font-size:8px}.mobile-nav-item.is-active{color:var(--green);font-weight:700}.mobile-nav-item.is-active:before{content:"";position:absolute;top:0;width:26px;height:2px;background:var(--green);border-radius:4px}.lesson-dialog{max-height:90vh}.dialog-inner{padding:28px 19px 21px}.dialog-inner h2{font-size:17px}.toast{bottom:78px;left:12px;right:12px;text-align:center}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}

/* Lesson media: deterministic, original science diagrams plus optional verified video links. */
.lesson-illustration{margin:16px 0 18px;border:1px solid #e8eee7;border-radius:16px;background:linear-gradient(145deg,#fbfdfb,#f4f7f2);overflow:hidden}.illustration-top{display:flex;justify-content:space-between;align-items:center;padding:10px 14px 0;color:#728178;font-size:9px}.illustration-top span:first-child{color:var(--green);font-weight:700}.illustration-art{padding:9px 11px 0;overflow:hidden}.illustration-art svg{display:block;width:100%;height:auto;min-height:170px}.lesson-illustration figcaption{padding:8px 14px 12px;border-top:1px solid #edf1eb;color:#89958d;font-size:9px}.video-resource,.video-placeholder{display:flex;align-items:center;gap:11px;margin:12px 0;padding:12px 14px;border:1px solid #e9ece7;border-radius:14px;background:#fff;text-decoration:none;color:var(--ink)}.video-resource{cursor:pointer}.video-resource:hover{border-color:#c7dbce;background:#f8fbf8}.video-play{width:34px;height:34px;flex:0 0 auto;border-radius:11px;display:grid;place-items:center;background:#f7eee6;color:#b86443;font-size:13px}.video-resource>span:nth-child(2),.video-placeholder>span:nth-child(2){display:grid;gap:2px}.video-resource strong,.video-placeholder strong{font-size:10px}.video-resource small,.video-placeholder small{font-size:9px;color:#87938b}.video-resource>b{margin-right:auto;color:#849087;font-weight:500}.video-placeholder{background:#fdfcf9;border-style:dashed;color:#65746a}.answer-feedback.pending{background:#f2f6f0;color:#506657}.unit-section{scroll-margin-top:90px;margin:20px 0 27px}.unit-section .section-heading{align-items:flex-end}.unit-pending{padding:17px 20px;text-align:right;line-height:1.8}.unit-pending strong{font-size:11px;margin-bottom:2px}

.video-section{margin:14px 0}.video-section>h3{margin:0 0 8px;color:var(--green);font-size:11px}.video-item{margin:8px 0;border:1px solid #e8eee7;border-radius:13px;background:#fff;overflow:hidden}.video-item summary{list-style:none;display:flex;align-items:center;gap:10px;padding:10px 12px;cursor:pointer}.video-item summary::-webkit-details-marker{display:none}.video-item summary>span:nth-child(2){display:grid;gap:2px}.video-item summary strong{font-size:10px}.video-item summary small{font-size:9px;color:#87938b}.video-item summary>b{margin-right:auto;color:#87938b}.video-item[open] summary{background:#f8fbf8}.video-embed{padding:0 11px 11px}.video-embed iframe{display:block;width:100%;aspect-ratio:16/9;border:0;border-radius:10px;background:#18211d}.video-embed>a{display:inline-block;margin-top:6px;color:var(--green);font-size:9px;text-decoration:none}.video-notice{margin:8px 2px 0;color:#929b95;font-size:9px;line-height:1.7}

.course-playlist-link{display:flex;align-items:center;gap:11px;margin:0 0 18px;padding:11px 14px;border:1px solid #e5ece5;border-radius:14px;background:#fff;color:var(--ink);text-decoration:none}.course-playlist-link>span:nth-child(2){display:grid;gap:2px}.course-playlist-link strong{font-size:10px}.course-playlist-link small{font-size:9px;color:#87938b}.course-playlist-link>b{margin-right:auto;color:var(--green);font-size:9px;font-weight:600}

.concept-image-wrap{margin:0 0 12px;border:1px solid #e8ece5;border-radius:15px;overflow:hidden;background:#f4f0e7}.concept-image-wrap img{display:block;width:100%;max-height:320px;aspect-ratio:4/3;object-fit:cover}.concept-image-caption{padding:7px 10px;color:#7c766c;font-size:9px;text-align:center;background:#fbfaf6}.lesson-illustration .illustration-top{margin-top:8px}

.content-pending{margin:14px 0;padding:13px 15px;border:1px dashed #d9e3da;border-radius:13px;background:#f7faf6;color:#617068;font-size:10px}.content-pending strong{display:block;margin-bottom:4px;color:var(--green)}.content-pending p{margin:0;color:#78847c;font-size:10px;line-height:1.8}


/* مساحة الرسم التعليمية */
.draw-workspace{display:grid;grid-template-columns:minmax(230px,.72fr) minmax(0,1.6fr);gap:16px;align-items:start}
.draw-task-panel,.drawing-board{background:#fff;border:1px solid var(--line);border-radius:19px;padding:18px}
.draw-task-panel h2{font-size:14px;margin:5px 0 12px;color:#314139}
.draw-task-list{display:grid;gap:7px}
.draw-task-button{display:flex;align-items:center;justify-content:space-between;gap:8px;text-align:right;background:#fff;border:1px solid #e8ece6;border-radius:11px;padding:9px 11px;font-size:10px;color:#68756d;cursor:pointer}
.draw-task-button:hover,.draw-task-button.is-active{border-color:#c8ddd0;background:#eff5f0;color:var(--green);font-weight:700}
.draw-task-button b{font-size:13px;font-weight:500}
.draw-prompt{margin-top:14px;padding:13px;border-radius:13px;background:#f5f8f3;border:1px solid #e8efe7}
.prompt-label{font-size:9px;color:#9b7442;font-weight:700}
.draw-prompt h3{font-size:12px;color:#28483b;margin:5px 0}
.draw-prompt p,.draw-checklist li{font-size:10px;line-height:1.9;color:#66746b;margin:0}
.draw-checklist{margin-top:11px;border:1px solid #ebeee8;border-radius:11px;padding:10px 12px}
.draw-checklist summary{font-size:10px;font-weight:700;color:var(--green);cursor:pointer}
.draw-checklist ul{padding:0 17px 0 0;margin:8px 0 0}
.draw-local-note,.draw-accessibility-note{font-size:9px;line-height:1.8;color:#8b958e;margin:11px 1px 0}
.drawing-board{min-width:0;padding:14px}
.draw-toolbar{display:flex;align-items:center;flex-wrap:wrap;gap:7px;margin-bottom:11px}
.tool-button{min-height:34px;border:1px solid #e5ebe5;border-radius:9px;background:#fff;color:#69766e;padding:0 10px;font-size:9px;font-weight:700;cursor:pointer}
.tool-button:hover,.tool-button.is-active{border-color:#c8ddd0;background:#eff5f0;color:var(--green)}
.tool-button:disabled{opacity:.45;cursor:not-allowed}
.draw-colors{display:flex;align-items:center;gap:5px;padding:0 3px}
.color-swatch{width:23px;height:23px;border-radius:50%;border:2px solid #fff;background:var(--swatch);box-shadow:0 0 0 1px #dfe5de;cursor:pointer}
.color-swatch.is-selected{box-shadow:0 0 0 2px var(--green)}
.brush-control{display:flex;align-items:center;gap:6px;font-size:9px;color:#77837a}
.brush-control input{width:72px;accent-color:var(--green)}
.brush-control output{min-width:14px;color:var(--green);font-weight:700}
.draw-download{min-height:34px;padding:0 10px;font-size:9px}
.canvas-frame{overflow:hidden;position:relative;border:1px solid #e1e8e1;border-radius:13px;background-color:#fff;background-image:linear-gradient(#edf2ed 1px,transparent 1px),linear-gradient(90deg,#edf2ed 1px,transparent 1px);background-size:24px 24px}
#drawing-canvas{display:block;width:100%;height:420px;touch-action:none;cursor:crosshair}
.draw-board-footer{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;margin-top:8px;font-size:9px;color:#859087}
.draw-board-footer [role=status]{color:var(--green)}
.draw-accessibility-note{margin-top:5px}
@media(max-width:850px){.draw-workspace{grid-template-columns:1fr}.draw-task-panel{order:0}.drawing-board{order:1}}
@media(max-width:620px){.mobile-nav-item{width:20%;padding-left:2px;padding-right:2px}.mobile-nav-item small{font-size:7px}.drawing-board,.draw-task-panel{padding:12px}.draw-toolbar{gap:5px}.tool-button{padding:0 8px}.brush-control input{width:58px}#drawing-canvas{height:360px}.draw-board-footer{font-size:8px}}


.draft-badge{display:inline-flex;align-items:center;margin:4px 0 10px;padding:5px 9px;border:1px solid #ead9be;border-radius:999px;background:#fbf5e9;color:#80643b;font-size:9px;font-weight:700}
.review-status{margin:11px 0 0;padding:9px 11px;border-right:3px solid #d3a36b;border-radius:7px;background:#faf6ef;color:#695b46;font-size:10px;line-height:1.8}
.lesson-references{margin-top:12px;padding-top:10px;border-top:1px solid #e5e9e2}
.lesson-references summary{cursor:pointer;color:var(--green);font-size:10px;font-weight:700}
.lesson-references ul{margin:8px 0 0;padding:0 18px 0 0;display:grid;gap:9px}
.lesson-references li{padding-right:2px;color:#728077;font-size:10px;line-height:1.6}
.lesson-references li a{color:#0d5c4e;font-weight:700;text-decoration:none}
.lesson-references li a:hover{text-decoration:underline}
.lesson-references li small{display:block;margin-top:2px;color:#8a938c;font-size:9px}


/* Per-lesson practice and grouped drawing assignments */
.quiz-course-banner{margin-bottom:24px}
.quiz-draft-note{font-size:12px!important;color:#7b6b51!important;margin-top:8px!important}
.quiz-unit{margin-top:28px}
.quiz-lesson-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:12px}
.quiz-lesson-card{display:flex;flex-direction:column;align-items:flex-start;gap:9px;min-height:184px;padding:17px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:0 6px 22px rgba(29,54,39,.035)}
.quiz-lesson-card h3{font-size:15px;line-height:1.7;margin:0;color:#273b31}
.quiz-lesson-card p{font-size:11px;line-height:1.8;margin:0;color:#718078}
.quiz-lesson-card .button-primary{margin-top:auto;min-height:36px;font-size:11px}
.quiz-reference-links{display:block;margin-top:8px;color:#78877e}
.quiz-reference-links a{color:var(--green);font-weight:700;padding:0 3px}
.draw-task-list{max-height:min(46vh,540px);overflow:auto;padding:2px 2px 2px 4px;overscroll-behavior:contain}
.draw-unit-group{border:1px solid #e8ece6;border-radius:11px;background:#fff;overflow:hidden}
.draw-unit-group>summary{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:9px 11px;color:#506158;font-size:10px;font-weight:700;cursor:pointer;list-style:none}
.draw-unit-group>summary::-webkit-details-marker{display:none}
.draw-unit-group>summary span{color:#8a968e;font-weight:500}
.draw-unit-items{display:grid;gap:6px;padding:0 8px 8px}
.draw-checklist-locked{margin:11px 0 0;padding:10px 12px;border:1px dashed #d9e2d9;border-radius:11px;background:#fbfcf9;color:#718078;font-size:10px;line-height:1.8}
.draw-steps{margin:8px 0 0;padding:0 18px 0 0;color:#596b60}
.draw-steps li{font-size:10px;line-height:1.85;margin:3px 0}
@media(max-width:760px){.quiz-lesson-grid{grid-template-columns:1fr}.draw-task-list{max-height:34vh}.quiz-lesson-card{min-height:0}}


.draw-reference-list{margin-top:18px;border-top:1px solid var(--line);padding-top:12px;color:#52675d;font-size:12px}
.draw-reference-list summary{cursor:pointer;font-weight:700;color:var(--green)}
.draw-reference-list ul{display:grid;gap:7px;margin:10px 0 0;padding-inline-start:20px}
.draw-reference-list a{color:var(--green);text-decoration:underline;text-underline-offset:3px}
.draw-reference-list a:focus-visible{outline:2px solid var(--gold);outline-offset:3px}

.draw-provisional-badge{display:inline-flex;align-items:center;margin-inline-start:7px;padding:2px 7px;border-radius:999px;background:#fff4dd;color:#8a642d;font-size:9px;font-weight:700;vertical-align:middle}