@import url(https://fonts.googleapis.com/css2?family=Vazirmatn:wght@400;500;600;700;800&display=swap);.mhem-app{--navy:#0b1c3d;--blue:#1769e0;--cyan:#43c5f2;--gold:#d9b875;--ink:#1b2b45;--muted:#6c7b91;--line:#e5ebf4;--surface:#fff;font-family:Vazirmatn,Tahoma,sans-serif;color:var(--ink);direction:rtl;max-width:1240px;margin:24px auto;padding:clamp(12px,2vw,28px);background:#f5f8fd;border-radius:28px;box-sizing:border-box;line-height:1.85}.mhem-app *{box-sizing:border-box}.mhem-app button,.mhem-app a{font:inherit}.mhem-app a{text-decoration:none}.mhem-hero{position:relative;overflow:hidden;border-radius:24px;padding:clamp(24px,4vw,52px);background:radial-gradient(circle at 88% 20%,#234b8a 0,transparent 30%),linear-gradient(125deg,#07152f,#102d5d 65%,#1769c6);color:#fff;display:flex;align-items:center;justify-content:space-between;gap:28px;min-height:265px;box-shadow:0 18px 45px #0b24552b}.mhem-brand{position:absolute;top:22px;right:25px;display:flex;align-items:center;gap:10px}.mhem-mark{display:grid;place-items:center;width:42px;height:42px;border:1px solid #d9b875;border-radius:13px;color:#f3d99f;font-weight:800}.mhem-brand b,.mhem-brand small{display:block}.mhem-brand b{font-size:14px}.mhem-brand small{font-size:11px;color:#c6d8f3}.mhem-hero-copy{max-width:700px;margin-top:30px;z-index:1}.mhem-kicker{color:#8fe1ff;font-size:12px;letter-spacing:3px;font-weight:800}.mhem-hero h1{font-size:clamp(27px,4vw,44px);line-height:1.5;margin:8px 0;color:#fff}.mhem-hero h1 em{font-style:normal;color:#8fe1ff}.mhem-hero p{color:#d5e2f6;margin:0}.mhem-hero-art{flex:0 0 150px;height:150px;display:grid;place-items:center;border-radius:35px;transform:rotate(-7deg);background:linear-gradient(145deg,#ffffff24,#ffffff08);border:1px solid #ffffff38;color:#fff;font-size:52px;font-weight:800;box-shadow:inset 0 0 35px #5fbfff20}.mhem-hero-art span{font-size:22px;color:#f0d89f;align-self:start}.mhem-section-intro{text-align:center;padding:35px 10px 18px}.mhem-section-intro h2{font-size:clamp(23px,3vw,32px);margin:9px 0 3px;color:var(--navy)}.mhem-section-intro p{color:var(--muted);margin:0}.mhem-pill{display:inline-flex;align-items:center;padding:4px 12px;border-radius:999px;background:#e8f2ff;color:#145bc2;font-size:12px;font-weight:700}.mhem-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:14px 0 22px}.mhem-stats>div{display:flex;align-items:center;gap:12px;padding:15px 18px;background:#fff;border:1px solid var(--line);border-radius:17px}.mhem-stats strong{font-size:25px;color:var(--blue)}.mhem-stats span{font-size:13px;color:var(--muted)}.mhem-lesson-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.mhem-grade-card,.mhem-content-card,.mhem-quiz{background:#fff;border:1px solid var(--line);border-radius:20px;padding:clamp(18px,2.3vw,26px);box-shadow:0 7px 22px #18376308}.mhem-grade-card{display:flex;flex-direction:column;min-height:240px;transition:transform .18s,box-shadow .18s}.mhem-grade-card:hover{transform:translateY(-3px);box-shadow:0 15px 30px #18376312}.mhem-card-top{display:flex;align-items:center;justify-content:space-between;gap:10px}.mhem-card-icon{width:48px;height:48px;display:grid;place-items:center;border-radius:15px;background:#e9f3ff;color:var(--blue);font-size:22px;font-weight:800}.mhem-grade-card h3{font-size:20px;color:var(--navy);margin:17px 0 5px}.mhem-grade-card p{font-size:14px;color:var(--muted);margin:0 0 18px}.mhem-card-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;font-size:12px;color:var(--muted)}.mhem-btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border:0;border-radius:12px;padding:10px 16px;cursor:pointer;font-weight:700;font-size:13px;transition:filter .15s,transform .15s}.mhem-btn:hover{filter:brightness(1.04);transform:translateY(-1px)}.mhem-primary{background:linear-gradient(120deg,#1769e0,#2489ef);color:#fff!important;box-shadow:0 5px 14px #1769e027}.mhem-secondary{background:#edf3fa;color:#294566!important}.mhem-nav{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:18px 0;color:var(--muted);font-size:13px}.mhem-nav>a:not(.mhem-btn){color:var(--blue);font-weight:700}.mhem-lesson-head{padding:28px;border-radius:20px;background:linear-gradient(120deg,#0b1c3d,#174c91);color:#fff;margin-bottom:18px}.mhem-lesson-head h2{margin:12px 0 4px;font-size:clamp(23px,3vw,32px)}.mhem-lesson-head p{margin:0;color:#d5e2f6}.mhem-lesson .mhem-content-card,.mhem-lesson .mhem-quiz{margin:16px 0}.mhem-content-card h3,.mhem-quiz h3{margin:0 0 13px;color:var(--navy);font-size:20px}.mhem-content-card p{margin:8px 0}.mhem-subject-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:20px 0}.mhem-subject{display:grid;grid-template-columns:1fr auto;align-items:center;gap:3px 8px;padding:14px;border-radius:15px;background:#f4f8ff;border:1px solid #e0ebfb}.mhem-subject>b{font-size:20px;color:var(--blue)}.mhem-subject>span{font-size:12px;color:var(--muted)}.mhem-speak{border:0;border-radius:9px;background:#e7f2ff;color:#155fc5;padding:7px 10px;cursor:pointer;white-space:nowrap}.mhem-speak.is-speaking{background:#d9f6e8;color:#087c4b}.mhem-table-wrap{overflow:auto}.mhem-table{width:100%;border-collapse:separate;border-spacing:0;min-width:620px}.mhem-table th{background:#102d5d;color:#fff;font-size:13px}.mhem-table th,.mhem-table td{padding:12px 13px;text-align:right;border-bottom:1px solid var(--line)}.mhem-table td[lang=en]{text-align:left;direction:ltr}.mhem-table tr:nth-child(even) td{background:#f7faff}.mhem-rule{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-top:18px;padding:16px 18px;background:#fff9ec;border:1px solid #f0dfb8;border-radius:14px;color:#6b5120}.mhem-rule span{direction:ltr}.mhem-chip-list{display:flex;flex-wrap:wrap;gap:9px}.mhem-word-chip{display:flex;gap:10px;align-items:center;border:1px solid var(--line);background:#f8fbff;padding:10px 13px;border-radius:12px;cursor:pointer}.mhem-word-chip span{color:#53657e}.mhem-word-chip b{color:var(--blue)}.mhem-example-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.mhem-example-grid>div{border:1px solid var(--line);background:#fbfdff;border-radius:14px;padding:15px}.mhem-example-grid b[lang=en],.mhem-vocab b[lang=en]{direction:ltr;display:inline-block;color:#155fc5;font-size:16px}.mhem-example-grid p{color:var(--muted);font-size:13px}.mhem-tip{padding:12px 15px;background:#eef7ff;border-radius:12px;color:#214e7e}.mhem-vocab-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.mhem-vocab{position:relative;padding:16px;border:1px solid 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var(--line);border-radius:12px;padding:10px;cursor:pointer}.mhem-option:has(input:checked){border-color:var(--blue);background:#eef6ff}.mhem-feedback{margin-top:12px;font-weight:700}.mhem-feedback.correct{color:#087c4b}.mhem-feedback.wrong{color:#b83d48}.mhem-quiz-actions{display:flex;gap:10px;margin-top:14px}.mhem-score{padding:14px;margin-top:14px;border-radius:12px;background:#e8f7ef;color:#17683f}.mhem-bottom-nav{border-top:1px solid var(--line);padding-top:18px;margin-top:24px}.mhem-footer{display:flex;justify-content:space-between;gap:12px;padding:25px 5px 4px;margin-top:20px;border-top:1px solid var(--line);color:var(--muted);font-size:12px}.mhem-footer span:first-child{color:var(--blue);font-weight:800;letter-spacing:1px}.mhem-audio-note{margin-top:24px!important}.mhem-app [lang=en]{font-family:Arial,sans-serif;direction:ltr;unicode-bidi:isolate}@media(max-width:720px){.mhem-app{margin:8px auto;padding:10px;border-radius:18px}.mhem-hero{padding:22px;min-height:240px}.mhem-hero-art{display:none}.mhem-brand{position:static;margin-bottom:10px}.mhem-hero{display:block}.mhem-hero-copy{margin-top:16px}.mhem-stats{grid-template-columns:1fr}.mhem-stats>div{padding:10px 14px}.mhem-lesson-grid{grid-template-columns:1fr}.mhem-subject-grid{grid-template-columns:repeat(2,1fr)}.mhem-example-grid,.mhem-vocab-grid{grid-template-columns:1fr}.mhem-options{grid-template-columns:1fr}.mhem-nav{flex-wrap:wrap}.mhem-bottom-nav{align-items:stretch}.mhem-bottom-nav>*{flex:1;text-align:center}.mhem-lesson-head{padding:20px}.mhem-grade-card{min-height:0}}@media(prefers-reduced-motion:reduce){.mhem-app *{transition:none!important;scroll-behavior:auto!important}}.mhem-grade-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.mhem-grade-grid .mhem-grade-card{min-height:235px;background:linear-gradient(155deg,#fff 0%,#f7faff 100%);border-top:3px solid var(--gold)}.mhem-grade-grid .mhem-card-icon{display:grid;place-items:center;min-width:48px;height:48px;border-radius:15px;background:linear-gradient(145deg,#12376f,#2477e8);color:#fff;font-weight:800;font-size:20px;box-shadow:0 6px 14px #1769e026}.mhem-example-list{display:grid;gap:10px}.mhem-example{display:grid;grid-template-columns:minmax(130px,1fr) minmax(130px,1fr) auto;align-items:center;gap:12px;padding:13px 15px;border:1px solid var(--line);border-radius:14px;background:#fbfdff}.mhem-example b{direction:ltr;text-align:left;color:#145bc2}.mhem-example span{color:var(--ink)}.mhem-back-grade{margin:0 0 16px}.mhem-app [lang=en],.mhem-app [dir=ltr]{unicode-bidi:isolate}.mhem-lesson-grid .mhem-grade-card p{flex:1}@media(max-width:900px){.mhem-grade-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:560px){.mhem-grade-grid,.mhem-lesson-grid{grid-template-columns:1fr}.mhem-example{grid-template-columns:1fr auto}.mhem-example span{grid-column:1/2}.mhem-example 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span{color:#687b97;font-size:.78rem}.mhem-progress-track{grid-column:1/-1;height:9px;overflow:hidden;border-radius:99px;background:#dfe9f7}.mhem-progress-track span{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,#1c67c9,#22a88a);transition:width .35s ease}.mhem-progress-actions{grid-column:1/-1;display:flex;justify-content:flex-start}.mhem-app [lang="en"]{direction:ltr;unicode-bidi:isolate}.mhem-app .mhem-quiz [dir="ltr"]{text-align:left}@media(max-width:680px){.mhem-progress-panel{grid-template-columns:1fr;padding:18px}.mhem-progress-stats{grid-template-columns:repeat(3,minmax(0,1fr));gap:6px}.mhem-progress-stats>div{padding:9px 4px}.mhem-progress-stats strong{font-size:1.15rem}.mhem-progress-stats span{font-size:.7rem}}.mhem-app{font-size:16px;line-height:1.9;color:#25364d;isolation:isolate}.mhem-app .mhem-hero{position:relative;overflow:hidden;min-height:unset;padding:clamp(24px,4vw,42px);border:1px solid #dbe6f5;background:linear-gradient(125deg,#0d2044 0%,#143e78 72%,#1b5b9a 100%);box-shadow:0 16px 34px rgb(15 43 83 / .14)}.mhem-app .mhem-hero-copy h1{max-width:820px;line-height:1.55;letter-spacing:0;font-size:clamp(25px,3vw,36px)}.mhem-app .mhem-hero-copy p{max-width:720px;line-height:1.9;font-size:15px}.mhem-app .mhem-brand{gap:12px}.mhem-app .mhem-mark{border:1px solid rgb(231 196 119 / .75);box-shadow:0 5px 14px rgb(0 0 0 / .12)}.mhem-app .mhem-lesson{max-width:940px;margin-inline:auto}.mhem-app .mhem-lesson-head{padding:clamp(20px,3vw,30px);border:1px solid rgb(255 255 255 / .08);box-shadow:0 12px 28px rgb(12 34 68 / .12)}.mhem-app .mhem-content-card{padding:clamp(20px,3vw,32px);line-height:2}.mhem-app .mhem-content-card p{margin:0 0 13px;line-height:2}.mhem-app .mhem-content-card h3{margin:0 0 18px;padding-bottom:10px;border-bottom:1px solid #e7edf6;line-height:1.7}.mhem-app .mhem-teacher-lesson{display:grid;gap:16px}.mhem-app .mhem-teach-section{padding:clamp(18px,2.5vw,28px);border:1px solid #e1e9f4;border-radius:18px;background:#fff;box-shadow:0 5px 18px rgb(25 55 95 / .035)}.mhem-app .mhem-teach-section h3{font-size:clamp(18px,2vw,21px);color:#163765;border-bottom:1px solid #e7edf5;padding-bottom:12px;margin:0 0 16px}.mhem-app .mhem-teach-section p,.mhem-app .mhem-teach-section li{line-height:2.05;font-size:16px}.mhem-app .mhem-teach-section ol,.mhem-app .mhem-teach-section ul{padding-inline-start:24px;margin:12px 0}.mhem-app .mhem-teacher-goal{padding:13px 16px;border-right:4px solid #c7a45d;background:#fff9eb;border-radius:10px;color:#594a2d}.mhem-app .mhem-teacher-example{padding:18px;margin:14px 0;border:1px solid #e1eaf6;border-radius:14px;background:#fbfdff}.mhem-app .mhem-teacher-example-en{display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding-bottom:12px;border-bottom:1px solid #e9eef6}.mhem-app .mhem-teacher-example-en>span{font-size:12px;color:#71809a}.mhem-app .mhem-teacher-example-en strong[lang=en]{display:block;flex:1;min-width:190px;text-align:left;direction:ltr;unicode-bidi:isolate;font-size:19px;color:#1557a4;font-family:Arial,sans-serif;line-height:1.7}.mhem-app .mhem-example-translation{font-size:17px;color:#174c36;background:#f0f8f3;padding:10px 12px;border-radius:9px;margin:12px 0!important}.mhem-app .mhem-guided-task{margin-top:14px;padding:16px 18px;border:1px solid #d6e7fb;background:#f2f7ff;border-radius:13px}.mhem-app .mhem-guided-task>strong{color:#164783}.mhem-app .mhem-guided-task p{margin:5px 0 0}.mhem-app .mhem-lesson-head p{line-height:1.9}.mhem-app .mhem-grade-card h3{line-height:1.7}.mhem-app .mhem-grade-card p{line-height:1.9}.mhem-app [lang=en],.mhem-app [dir=ltr]{direction:ltr;unicode-bidi:isolate}.mhem-app .mhem-teacher-example-en .mhem-speak{flex-shrink:0}@media(max-width:600px){.mhem-app .mhem-hero{padding:20px;border-radius:18px}.mhem-app .mhem-hero-copy h1{font-size:24px}.mhem-app .mhem-teach-section{padding:17px}.mhem-app .mhem-teacher-example{padding:14px}.mhem-app .mhem-teacher-example-en strong[lang=en]{min-width:0;width:100%;font-size:18px}.mhem-app .mhem-teacher-example-en{align-items:flex-start}.mhem-app .mhem-content-card{padding:17px}.mhem-app .mhem-teach-section p,.mhem-app .mhem-teach-section li{font-size:15px}}.mhem-app .mhem-teach-section{direction:rtl;text-align:right}.mhem-app .mhem-teach-section p{max-width:78ch}.mhem-app .mhem-teacher-example{display:block;text-align:right;direction:rtl;padding:clamp(15px,2.2vw,22px);margin:16px 0;background:#fff;border:1px solid #dce6f3;border-right:4px solid #2c70c7;box-shadow:0 4px 12px rgb(18 48 88 / .035)}.mhem-app .mhem-teacher-example-en{display:grid;grid-template-columns:1fr auto;gap:9px 14px;align-items:center;border:0;padding:0 0 12px}.mhem-app .mhem-teacher-example-en .mhem-example-kicker{grid-column:1/-1}.mhem-app .mhem-teacher-example-en strong[lang=en]{grid-column:1;text-align:left;display:block;width:100%;font-size:clamp(18px,2.1vw,22px);font-weight:750;letter-spacing:.01em}.mhem-app .mhem-example-kicker{display:inline-flex;align-items:center;width:max-content;max-width:100%;padding:3px 9px;border-radius:6px;background:#edf4ff;color:#355b8c;font-size:12px;font-weight:700}.mhem-app .mhem-example-translation{direction:rtl;text-align:right;background:#eef8f1;border:1px solid #d8eddf;color:#20563b;padding:11px 13px;margin:12px 0!important;border-radius:10px;font-size:16px}.mhem-app .mhem-example-explanation{padding:11px 13px;background:#f6f8fb;border-radius:10px;border-right:3px solid #c8d5e7}.mhem-app .mhem-rule-section{border-color:#d5e3f5;background:linear-gradient(180deg,#fff 0%,#fcfdff 100%)}.mhem-app .mhem-formula-box{margin:15px 0 18px;padding:17px clamp(14px,2.5vw,23px);border:1px solid #d8e5f7;border-radius:14px;background:#f1f6fd;display:grid;gap:10px}.mhem-app .mhem-formula-label{font-size:12px;font-weight:800;color:#3b5d88}.mhem-app .mhem-formula-box [lang=en]{direction:ltr;text-align:left;unicode-bidi:isolate;display:block;overflow-wrap:anywhere;padding:8px 11px;border-radius:8px;background:#fff;border:1px solid #e0e9f5;color:#173f75;font-family:Arial,sans-serif;font-size:clamp(14px,1.8vw,17px);font-weight:700}.mhem-app .mhem-formula-box p{font-size:13px;color:#5b6d84;margin:0}.mhem-app .mhem-compare-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:13px;margin:16px 0}.mhem-app .mhem-compare-grid article{min-width:0;padding:16px;border:1px solid #dfe8f4;border-radius:13px;background:#fff;display:flex;flex-direction:column;align-items:flex-start;gap:8px}.mhem-app .mhem-compare-grid article>strong[lang=en]{display:block;width:100%;direction:ltr;text-align:left;unicode-bidi:isolate;color:#1659a7;font:700 clamp(17px,2vw,20px)/1.65 Arial,sans-serif;overflow-wrap:anywhere}.mhem-app .mhem-compare-grid article 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