@import url('https://fonts.googleapis.com/css2?family=Vazirmatn:wght@300;400;500;600;700&family=Manrope:wght@400;500;600;700;800&display=swap');
:root{color-scheme:dark;--bg:#101514;--panel:#171d1b;--line:#303a34;--text:#e9e9df;--muted:#9eaba2;--green:#c3d8ae;--gold:#e1c891;--orange:#e7a48b}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:13px/1.65 Manrope,Vazirmatn,sans-serif}html[lang=fa] body{font-family:Vazirmatn,Manrope,sans-serif}button,input,select{font:inherit}button,a,input,select{touch-action:manipulation}button,select{color:inherit;background:transparent;border:1px solid var(--line);border-radius:8px;padding:9px 12px}select{background:var(--panel);max-width:100%}button{cursor:pointer}button:hover,a:hover{color:var(--green)}button:hover{background:#263228}button:disabled{opacity:.5;cursor:default}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--green);outline-offset:3px}a{color:var(--green);text-decoration:none}a:hover{text-decoration:underline}p{margin:0 0 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13px}.lesson-intro{font-size:13px;line-height:1.95;color:#bfc9be;max-width:960px;margin:4px 0 24px}.motion-panels{display:grid;grid-template-columns:1fr 1fr;gap:14px;direction:ltr}.motion-panels.single{grid-template-columns:1fr}.motion-card{background:radial-gradient(ellipse at 50% 40%,#29332b 0,#18201b 72%);border:1px solid #364336;border-radius:14px;overflow:hidden}.disease-panel{background:radial-gradient(ellipse at 50% 40%,#332d28 0,#201d1a 72%);border-color:#4d3c32}.motion-heading{display:flex;align-items:center;gap:8px;padding:15px 17px;border-bottom:1px solid #394034}.motion-heading h3{font-size:12px;flex:1}.motion-kind{font-size:8px;letter-spacing:1px;color:var(--muted)}html[dir=rtl] .motion-heading,html[dir=rtl] .motion-legend{direction:rtl}.motion-host{width:100%;min-width:0}.motion-host svg{display:block;width:100%;height:auto;max-height:420px}.motion-label{fill:#d7ddc9;font:13px Manrope,Vazirmatn,sans-serif}.motion-legend{font-size:10px;line-height:1.8;color:var(--muted);padding:7px 16px 13px;margin:0;min-height:50px}.playback{display:flex;align-items:center;gap:10px;padding:14px 0;border-bottom:1px solid var(--line);flex-wrap:wrap}.playback button{font-size:11px}.playback #playMotion{background:var(--green);color:#1c2919;border-color:var(--green);min-width:85px}.speed-label{display:flex;align-items:center;gap:7px;font-size:10px;color:var(--muted);margin-inline-start:auto}.speed-label select{padding:5px 8px;font-size:11px}.playback #motionStatus{font-size:9px;width:100%;margin-top:0}.stage-heading{display:flex;justify-content:space-between;gap:10px;align-items:center;margin:21px 0 12px}.stage-heading h3{font-size:13px}.stage-heading span{font-size:10px;color:var(--muted)}.stage-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:9px}.stage-card{text-align:start;border:1px solid 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input{width:100%;padding:9px;background:#202923;border:1px solid var(--line);color:var(--text);border-radius:6px;margin-bottom:10px}.topic-btn{display:block;text-align:start;width:100%;border:0;border-bottom:1px solid #2b352d;border-radius:4px;font-size:11px;padding:9px}.topic-btn[aria-current=true]{background:#30412b;color:var(--green)}.topic-detail{border-radius:12px;padding:23px;background:linear-gradient(145deg,#2c3829,#1b231c);border:1px solid #43553b}.topic-detail h3{font-size:22px;margin:6px 0 13px}.topic-detail p{font-size:13px;line-height:2;color:#c7d1c0}.topic-detail a{display:inline-block;margin:12px 0;font-size:12px}.topic-detail .topic-function{border-top:1px solid #45523c;padding-top:15px}.topic-count{font-size:10px;color:var(--muted);margin-bottom:10px}.overview-link{display:inline-block;padding:10px 15px;border-radius:8px;background:var(--green);color:#192417;font-size:12px}.study-progress{font-size:10px;color:var(--muted)}#boot{padding:50px;text-align:center;color:var(--green)}.error-retry{padding:12px;margin:20px}
@media(min-width:1650px){#learningApp{grid-template-columns:310px minmax(0,1fr) 295px}.learning-workspace{padding:38px 40px}.motion-host svg{max-height:500px}}
@media(max-width:1200px){#learningApp{grid-template-columns:250px minmax(0,1fr)}.learning-notes{grid-column:2;display:grid;grid-template-columns:1fr 1fr;gap:20px;border-top:1px solid var(--line);padding:20px 28px}.learning-notes section{padding:0 0 20px}.learning-notes .education-note{margin:0}.learning-workspace{padding:25px 22px}.lesson-library{padding:22px 17px}.motion-heading{padding:12px}.motion-kind{display:none}.stage-cards{gap:6px}.stage-card{display:block;padding:11px}.stage-card .number{display:block;margin-bottom:8px}.lesson-top{gap:10px}}
@media(max-width:760px){.learn-header{padding:12px 16px;flex-wrap:wrap;gap:12px}.learn-header nav{order:3;width:100%;justify-content:center}.learn-header .brand{font-size:17px}.learn-header #language{font-size:11px;padding:8px}#learningApp{display:block}.lesson-library{position:static;max-height:none;border-inline-end:0;border-bottom:1px solid var(--line);padding:20px}.lesson-library h1{font-size:23px}.lesson-library>.muted,.library-foot{display:none}.study-stats{gap:24px;margin-bottom:12px}.study-stats strong{display:inline;font-size:15px;margin-inline-end:4px}.filters{grid-template-columns:1fr 1fr}.lesson-list{max-height:190px}.lesson-row{padding:9px}.learning-workspace{padding:24px 16px}.lesson-top h2{font-size:24px}.lesson-top button{font-size:10px;padding:7px}.lesson-top{align-items:start}.motion-panels{gap:10px}.motion-heading{padding:10px}.motion-heading h3{font-size:10px}.motion-legend{font-size:9px;padding:7px 10px}.stage-cards{grid-template-columns:1fr}.stage-card{display:flex;padding:12px}.stage-card .number{margin:0}.learning-notes{display:block;padding:0 20px 25px}.learning-notes section{padding:22px 0}.organ-grid{grid-template-columns:1fr}.topic-outline{max-height:230px}.topic-detail h3{font-size:21px}}
@media(max-width:480px){.motion-panels{grid-template-columns:1fr}.motion-host svg{max-height:310px}.lesson-top{flex-wrap:wrap}.lesson-top button{margin-bottom:9px}.speed-label{margin-inline-start:0}.motion-heading h3{font-size:12px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

.three-motion-host{position:relative;width:100%;height:480px;min-height:360px;background:radial-gradient(ellipse at 50% 55%,#354137,#161f1b 72%);overflow:hidden;touch-action:none}.three-motion-host canvas{display:block;width:100%;height:100%;cursor:grab}.three-motion-host canvas:active{cursor:grabbing}.three-loading{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:14px;background:#17211de8;z-index:3;color:#d8dfc7}.three-loading b{font-size:13px}.three-loading small{font-size:10px;color:var(--muted)}.three-spinner{width:29px;height:29px;border:2px solid #43533d;border-top-color:var(--green);border-radius:50%;animation:learn-spin 1s linear infinite}@keyframes learn-spin{to{transform:rotate(360deg)}}.three-tip{position:absolute;pointer-events:none;background:#142119ed;color:#e4ead8;border:1px solid #5a7051;border-radius:6px;padding:7px 12px;font-size:11px;z-index:4;max-width:200px}.three-labels{position:absolute;inset:0;pointer-events:none;overflow:hidden}.three-labels span{position:absolute;transform:translate(-50%,-50%);font-size:10px;color:#e7e2cc;background:#142019b8;border:1px solid #66745b66;padding:4px 8px;border-radius:4px;max-width:210px;text-align:center}.three-view-tools{display:flex;align-items:center;gap:7px;padding:10px 15px;border-top:1px solid var(--line);direction:ltr;flex-wrap:wrap}.three-view-tools button{padding:6px 11px;font-size:12px}.three-view-tools button[aria-pressed=true]{background:#46543c}.three-view-tools label{margin-inline-start:auto;display:flex;align-items:center;gap:10px;font-size:10px;color:var(--muted)}.three-view-tools input{width:110px;accent-color:var(--green)}.three-state-bar{display:flex;gap:5px;align-items:center;margin-bottom:13px;flex-wrap:wrap}.three-state-bar button{font-size:11px}.three-state-bar button[aria-pressed=true]{background:#d5dfbd;color:#1a2618}.three-state-bar span{font-size:10px;color:var(--muted);margin-inline-start:auto}#targetCaption{color:var(--orange);border-top:1px solid #473e30;padding-top:10px;min-height:0}.three-motion-host[data-geometry=loaded] .three-loading{display:none}@media(max-width:760px){.three-motion-host{height:420px;min-height:320px}.three-view-tools{padding:10px;gap:5px}.three-view-tools label{width:100%;justify-content:space-between;margin-top:4px}.three-view-tools input{width:50%}.three-labels span{font-size:9px;max-width:160px}.three-state-bar span{width:100%;margin:7px 0 0}}