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p{margin:0;color:inherit;line-height:inherit}.algtest-quiz-options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.algtest-quiz-option{min-width:0;overflow:hidden}.algtest-assessment-layout{display:grid!important;grid-template-columns:minmax(0,1fr) 264px;gap:24px!important;align-items:start;max-width:none;margin:0}.algtest-assessment-palette{position:sticky;top:96px;align-self:flex-start;width:264px;max-width:264px;box-sizing:border-box;background:radial-gradient(circle at top right,rgba(99,102,241,.08),transparent 34%),linear-gradient(180deg,#fff,#f8fbff);border:1px solid rgba(99,102,241,.1);border-radius:20px;padding:24px;box-shadow:0 12px 30px 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#4f46e5}.alg-mastery-mobile-toggle{display:none;position:fixed;bottom:2rem;right:2rem;width:3.5rem;height:3.5rem;border-radius:50%;background:#4f46e5;color:#fff;border:none;box-shadow:0 10px 15px -3px #4f46e566;z-index:100;cursor:pointer}@media(max-width:1024px){.alg-mastery-container{flex-direction:column;padding:1rem}.alg-mastery-palette-sidebar{display:none}.alg-mastery-palette-sidebar.mobile-open{display:block;position:fixed;bottom:0;left:0;right:0;width:100%;border-radius:24px 24px 0 0;z-index:1000;height:auto;max-height:80vh;overflow-y:auto;animation:slideUp .3s ease-out}.alg-mastery-mobile-toggle{display:flex;align-items:center;justify-content:center}.alg-mastery-backdrop{position:fixed;inset:0;background:#00000080;z-index:999}}.alg-mastery-card{background:#fff;padding:2rem;border-radius:24px;box-shadow:0 10px 25px -5px #0000000d;margin-bottom:2rem}.alg-mastery-btn{padding:.75rem 1.5rem;border-radius:12px;font-weight:700;border:none;cursor:pointer;transition:all 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h3{font-size:1.5rem;font-weight:800;margin-bottom:.4rem;letter-spacing:-.02em;text-shadow:0 2px 8px rgba(0,0,0,.15)}.g11-card-content p{font-size:.9rem;opacity:.9;line-height:1.5;margin-bottom:1rem}.g11-explore{margin-top:auto;display:inline-flex;align-items:center;gap:4px;font-weight:700;font-size:.9rem;opacity:0;transform:translate(-8px);transition:opacity .3s,transform .3s}.g11-subject-card:hover .g11-explore{opacity:1;transform:translate(0)}@media(max-width:1280px){.topics-grid-container{grid-template-columns:repeat(4,1fr)}}@media(max-width:1024px){.topics-grid-container{grid-template-columns:repeat(3,1fr)}}@media(max-width:768px){.topics-grid-container{grid-template-columns:repeat(2,1fr)}.header-inner,.senior-content-grid{padding:0 1rem}.modal-overlay{padding:0}.skills-modal{height:100%;max-height:100%;border-radius:0}}@media(max-width:640px){.topics-grid-container,.g11-subject-grid{grid-template-columns:1fr}}.modal-close-btn-text{background:#f1f5f9;border:none;padding:.5rem 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var(--trig-border);cursor:pointer;font-weight:800;transition:all .2s}.trig-btn-secondary:hover{border-color:var(--trig-primary);background:#8b5cf60d;transform:translateY(-2px)}body.hide-main-footer .main-footer{display:none!important}:root{--tc-amber: #d97706;--tc-orange: #ea580c;--tc-sky: #0284c7;--tc-teal: #0d9488;--tc-text: #0f172a;--tc-muted: #64748b;--tc-card: #ffffff;--tc-border: #e2e8f0;--tc-success: #10b981;--tc-wrong: #ef4444;--tc-r: 14px;--tc-rlg: 20px;--tc-sh: 0 4px 20px rgba(0, 0, 0, .09);--tc-shlg: 0 12px 40px rgba(0, 0, 0, .14)}.tc-fullpage{display:flex;min-height:calc(100vh - 64px);font-family:Inter,system-ui,sans-serif;overflow:hidden}.tc-left{position:relative;flex:0 0 46%;display:flex;align-items:center;justify-content:center;padding:48px 48px 48px 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.15s;display:flex;align-items:center;justify-content:center;color:var(--prop-text)}.prop-palette-btn.current{border-color:#0f172a;background:#0f172a;color:#fff}.prop-palette-btn.answered{background:#dcfce7;border-color:#16a34a;color:#15803d}.prop-palette-btn.wrong{background:#fee2e2;border-color:#dc2626;color:#dc2626}.prop-lexicon-container{max-width:1100px;margin:0 auto;padding:0 24px}@media(max-width:900px){.prop-fullpage{flex-direction:column;overflow-y:auto;height:auto}.prop-left{width:100%;min-height:280px;padding:40px 24px;flex:0 0 auto}.prop-right{padding:32px 24px}.prop-stats-grid{justify-content:center}.prop-5w1h-grid{grid-template-columns:1fr}}@media(max-width:600px){.prop-stats-grid{justify-content:center;gap:8px}.prop-skill-card{flex-direction:column;align-items:flex-start}}:root{--sau-amber: #d97706;--sau-orange: #ea580c;--sau-sky: #0284c7;--sau-teal: #0d9488;--sau-text: #0f172a;--sau-muted: #64748b;--sau-card: #ffffff;--sau-border: #e2e8f0;--sau-success: 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ease}.sau-stat:hover{transform:translateY(-3px);background:#ffffff38}.sau-stat-num{font-family:Outfit,sans-serif;font-size:2rem;font-weight:900;line-height:1;color:#fff!important;text-shadow:0 0 16px rgba(255,255,255,.5),0 2px 8px rgba(0,0,0,.3);-webkit-text-fill-color:#ffffff}.sau-stat-lbl{font-size:10px;font-weight:700;letter-spacing:.5px;color:#ffffffb3;margin-top:5px;text-align:center;text-transform:uppercase}.sau-right{flex:1;display:flex;flex-direction:column;justify-content:center;padding:40px 40px 40px 36px;background:#fffbeb}.sau-right-eyebrow{font-size:11px;font-weight:800;letter-spacing:2.5px;text-transform:uppercase;color:var(--sau-amber);margin:0 0 20px 4px}.sau-cards-col{display:flex;flex-direction:column;gap:16px}.sau-card-btn{display:flex;align-items:center;gap:0;background:#fff;border:1px solid var(--sau-border);border-radius:var(--sau-rlg);overflow:hidden;cursor:pointer;text-align:left;width:100%;padding:0;box-shadow:0 2px 10px #0000000f;transition:all .28s cubic-bezier(.34,1.56,.64,1);position:relative}.sau-card-btn:hover{transform:translate(6px);box-shadow:0 8px 28px #0000001f}.sau-card-strip{width:6px;align-self:stretch;flex-shrink:0}.sau-card-icon{width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:24px;flex-shrink:0;margin:20px 18px 20px 20px}.sau-card-text{flex:1;padding:18px 0}.sau-card-label{font-family:Outfit,sans-serif;font-size:18px;font-weight:800;line-height:1.1;margin-bottom:3px}.sau-card-tagline{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:1.5px;color:var(--sau-muted);margin-bottom:6px}.sau-card-desc{font-size:13px;color:#64748b;line-height:1.55;max-width:340px}.sau-card-chevron{font-size:32px;font-weight:900;line-height:1;padding:0 22px;opacity:0;transition:opacity .2s ease,transform .2s ease;transform:translate(-6px)}.sau-card-btn:hover 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.2s}.sau-nav-link:hover{color:var(--sau-amber);background:#d977060f}.sau-nav-link--active{background:linear-gradient(135deg,var(--sau-amber),var(--sau-orange));color:#fff!important;border-color:transparent;box-shadow:0 3px 10px #d977064d}.sau-tab{display:flex;align-items:center;gap:8px;padding:12px 26px;border-radius:100px;border:2px solid #e2e8f0;background:#f8fafc;color:var(--sau-muted);font-weight:700;font-size:16px;cursor:pointer;transition:all .25s ease}.sau-tab:hover{border-color:var(--sau-amber);color:var(--sau-amber);background:#fffbeb;transform:translateY(-2px)}.sau-tab.active{background:linear-gradient(135deg,var(--sau-amber),var(--sau-orange));border-color:transparent;color:#fff;box-shadow:0 4px 16px #d9770659;transform:translateY(-2px)}.sau-intro-page{font-family:Inter,system-ui,sans-serif;min-height:100vh;background:#fffbeb}.sau-intro-hero{background:linear-gradient(135deg,#fef3c7,#e0f2fe);padding:80px 24px 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auto}.sau-intro-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(360px,1fr));gap:16px}.sau-intro-card{background:#fff;border-radius:20px;border:2px solid #e2e8f0;cursor:pointer;transition:all .3s cubic-bezier(.34,1.56,.64,1);overflow:hidden;position:relative}.sau-intro-card:hover{transform:translateY(-4px);box-shadow:0 12px 30px #00000014}.sau-intro-card--open{cursor:default}.sau-intro-card-strip{height:4px;width:100%}.sau-intro-card-header{display:flex;align-items:center;gap:14px;padding:16px 20px 12px}.sau-intro-card-icon{width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0;color:#fff}.sau-intro-card-title-block{flex:1}.sau-intro-card-q{font-family:Outfit,sans-serif;font-size:20px;font-weight:900}.sau-intro-card-sublabel{font-size:12px;font-weight:600;color:var(--sau-muted)}.sau-intro-card-chevron{font-size:14px;transition:all .3s ease;flex-shrink:0}.sau-intro-card-hint{padding:0 20px 14px;font-size:12px;color:var(--sau-muted);font-weight:600}.sau-intro-card-body{padding:0 20px 20px;animation:sauFadeIn .3s ease}@keyframes sauFadeIn{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}.sau-intro-card-content{font-size:15px;line-height:1.7;color:#334155;margin-bottom:12px}.sau-intro-card-fact{padding:12px 16px;border-radius:12px;border:1px solid;font-size:13px;line-height:1.6;color:#334155;font-weight:600}.sau-intro-cta-strip{display:flex;align-items:center;justify-content:center;gap:16px;padding:20px;margin-top:16px}.sau-intro-cta-sub{font-size:14px;color:var(--sau-muted);font-weight:600}.sau-intro-cta-btn{display:inline-flex;align-items:center;gap:6px;padding:10px 24px;border-radius:100px;border:none;background:linear-gradient(135deg,var(--sau-amber),var(--sau-orange));color:#fff;font-size:14px;font-weight:800;cursor:pointer;box-shadow:0 4px 14px #d9770659;transition:all .2s}.sau-intro-cta-btn:hover{transform:scale(1.05);box-shadow:0 6px 20px #d9770673}.sau-terminology-page,.sau-skills-page{font-family:Inter,system-ui,sans-serif;min-height:100vh;background:#fffbeb}.sau-skills-list{display:flex;flex-direction:column;gap:14px}.sau-skill-card{display:flex;align-items:center;justify-content:space-between;background:#fff;border:1px solid var(--sau-border);border-radius:var(--sau-rlg);padding:20px 24px;box-shadow:var(--sau-sh);transition:all .3s ease;flex-wrap:wrap;gap:16px}.sau-skill-card:hover{transform:translateY(-4px);box-shadow:var(--sau-shlg);border-color:var(--sau-amber)}.sau-skill-info{display:flex;align-items:center;gap:14px;flex:1;min-width:260px}.sau-skill-icon{width:50px;height:50px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:22px;flex-shrink:0}.sau-skill-actions{display:flex;gap:10px;flex-wrap:wrap}.sau-btn-primary{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 28px;border-radius:100px;border:none;background:linear-gradient(135deg,var(--sau-amber),var(--sau-orange));color:#fff;font-family:Inter,sans-serif;font-size:14px;font-weight:800;cursor:pointer;box-shadow:0 4px 16px #d977064d;transition:all .25s cubic-bezier(.34,1.56,.64,1)}.sau-btn-primary:hover{transform:translateY(-2px) scale(1.03);box-shadow:0 8px 24px #d9770666}.sau-btn-secondary{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 28px;border-radius:100px;border:2px solid var(--sau-border);background:#fff;color:var(--sau-text);font-family:Inter,sans-serif;font-size:14px;font-weight:700;cursor:pointer;transition:all .2s ease}.sau-btn-secondary:hover{border-color:var(--sau-amber);color:var(--sau-amber);background:#fffbeb;transform:translateY(-1px)}.sau-learn-grid{display:grid;grid-template-columns:minmax(250px,300px) 1fr;gap:16px;align-items:start}.sau-learn-sidebar{max-height:65vh;overflow-y:auto}.sau-rule-split{display:grid;grid-template-columns:1fr 1fr;gap:24px}.sau-learn-footer{margin-top:40px;display:flex;gap:16px}.sau-quiz-container{max-width:800px;margin:0 auto;background:#fff;border-radius:24px;padding:32px 40px;box-shadow:0 15px 40px #0000000a;border:1px solid rgba(0,0,0,.04)}@media(max-width:1024px){.sau-fullpage{flex-direction:column}.sau-left{flex:none;padding:40px 24px}.sau-right{padding:32px 24px}.sau-intro-grid,.sau-learn-grid,.sau-rule-split{grid-template-columns:1fr}}@media(max-width:640px){.sau-main-title{font-size:2.2rem}.sau-stats-grid{gap:8px}.sau-stat{padding:10px 14px;min-width:60px}.sau-nav{padding:0 12px}.sau-nav-links{gap:2px}.sau-nav-link{font-size:11px;padding:5px 8px}.sau-skill-card{padding:16px}}:root{--pau-amber: #d97706;--pau-orange: #ea580c;--pau-sky: #0284c7;--pau-teal: #0d9488;--pau-text: #0f172a;--pau-muted: #64748b;--pau-card: #ffffff;--pau-border: #e2e8f0;--pau-success: #10b981;--pau-wrong: #ef4444;--pau-r: 14px;--pau-rlg: 20px;--pau-sh: 0 4px 20px rgba(0, 0, 0, .09);--pau-shlg: 0 12px 40px rgba(0, 0, 0, .14)}.pau-fullpage{display:flex;min-height:calc(100vh - 64px);font-family:Inter,system-ui,sans-serif;overflow:hidden}.pau-left{position:relative;flex:0 0 46%;display:flex;align-items:center;justify-content:center;padding:48px 48px 48px 56px;overflow:hidden;background:linear-gradient(145deg,#78350f,#92400e,#d97706,#0284c7,#0c4a6e)}.pau-deco{position:absolute;border-radius:50%;pointer-events:none}.pau-deco-a{width:380px;height:380px;background:radial-gradient(circle,rgba(251,191,36,.35) 0%,transparent 70%);top:-80px;left:-80px}.pau-deco-b{width:280px;height:280px;background:radial-gradient(circle,rgba(14,165,233,.3) 0%,transparent 70%);bottom:-60px;right:-40px}.pau-deco-c{width:160px;height:160px;background:radial-gradient(circle,rgba(52,211,153,.25) 0%,transparent 70%);top:50%;left:55%;transform:translate(-50%,-50%)}.pau-left-content{position:relative;z-index:2;width:100%}.pau-main-title{font-family:Outfit,sans-serif;font-size:clamp(2.8rem,4.5vw,4.2rem);font-weight:900;line-height:1.05;color:#fff;margin:0 0 20px;letter-spacing:-.02em}.pau-title-accent{background:linear-gradient(90deg,#fbbf24,#fde68a,#bef264 80%,#a3e635);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.pau-main-sub{font-size:clamp(.9rem,1.3vw,1.05rem);color:#ffffffc7;line-height:1.75;max-width:400px;margin:0 0 36px;font-weight:400}.pau-stats-grid{display:flex;flex-wrap:wrap;gap:12px}.pau-stat{display:flex;flex-direction:column;align-items:center;background:#ffffff24;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,.25);border-radius:14px;padding:14px 20px;min-width:76px;transition:transform .2s ease,background .2s ease}.pau-stat:hover{transform:translateY(-3px);background:#ffffff38}.pau-stat-num{font-family:Outfit,sans-serif;font-size:2rem;font-weight:900;line-height:1;color:#fff!important;text-shadow:0 0 16px rgba(255,255,255,.5),0 2px 8px rgba(0,0,0,.3);-webkit-text-fill-color:#ffffff}.pau-stat-lbl{font-size:10px;font-weight:700;letter-spacing:.5px;color:#ffffffb3;margin-top:5px;text-align:center;text-transform:uppercase}.pau-right{flex:1;display:flex;flex-direction:column;justify-content:center;padding:40px 40px 40px 36px;background:#fffbeb}.pau-right-eyebrow{font-size:11px;font-weight:800;letter-spacing:2.5px;text-transform:uppercase;color:var(--pau-amber);margin:0 0 20px 4px}.pau-cards-col{display:flex;flex-direction:column;gap:16px}.pau-card-btn{display:flex;align-items:center;gap:0;background:#fff;border:1px solid var(--pau-border);border-radius:var(--pau-rlg);overflow:hidden;cursor:pointer;text-align:left;width:100%;padding:0;box-shadow:0 2px 10px #0000000f;transition:all .28s cubic-bezier(.34,1.56,.64,1);position:relative}.pau-card-btn:hover{transform:translate(6px);box-shadow:0 8px 28px #0000001f}.pau-card-strip{width:6px;align-self:stretch;flex-shrink:0}.pau-card-icon{width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:24px;flex-shrink:0;margin:20px 18px 20px 20px}.pau-card-text{flex:1;padding:18px 0}.pau-card-label{font-family:Outfit,sans-serif;font-size:18px;font-weight:800;line-height:1.1;margin-bottom:3px}.pau-card-tagline{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:1.5px;color:var(--pau-muted);margin-bottom:6px}.pau-card-desc{font-size:13px;color:#64748b;line-height:1.55;max-width:340px}.pau-card-chevron{font-size:32px;font-weight:900;line-height:1;padding:0 22px;opacity:0;transition:opacity .2s ease,transform .2s ease;transform:translate(-6px)}.pau-card-btn:hover .pau-card-chevron{opacity:1;transform:translate(0)}.pau-page{font-family:Inter,system-ui,sans-serif;background:#f8fafc;color:var(--pau-text);min-height:100vh}.pau-nav{position:sticky;top:0;z-index:50;display:flex;align-items:center;justify-content:space-between;padding:0 24px;height:56px;background:#ffffffeb;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-bottom:1px solid rgba(0,0,0,.06);font-family:Inter,system-ui,sans-serif}.pau-nav-back{display:inline-flex;align-items:center;gap:6px;background:none;border:none;font-size:14px;font-weight:700;color:var(--pau-amber);cursor:pointer;padding:6px 0;transition:color .2s}.pau-nav-back:hover{color:var(--pau-orange)}.pau-nav-links{display:flex;gap:6px}.pau-nav-link{display:inline-flex;align-items:center;gap:4px;padding:6px 14px;border-radius:100px;border:1.5px solid transparent;background:none;font-size:13px;font-weight:700;color:var(--pau-muted);cursor:pointer;transition:all .2s}.pau-nav-link:hover{color:var(--pau-amber);background:#d977060f}.pau-nav-link--active{background:linear-gradient(135deg,var(--pau-amber),var(--pau-orange));color:#fff!important;border-color:transparent;box-shadow:0 3px 10px #d977064d}.pau-tab{display:flex;align-items:center;gap:8px;padding:12px 26px;border-radius:100px;border:2px solid #e2e8f0;background:#f8fafc;color:var(--pau-muted);font-weight:700;font-size:16px;cursor:pointer;transition:all .25s ease}.pau-tab:hover{border-color:var(--pau-amber);color:var(--pau-amber);background:#fffbeb;transform:translateY(-2px)}.pau-tab.active{background:linear-gradient(135deg,var(--pau-amber),var(--pau-orange));border-color:transparent;color:#fff;box-shadow:0 4px 16px #d9770659;transform:translateY(-2px)}.pau-intro-page{font-family:Inter,system-ui,sans-serif;min-height:100vh;background:#fffbeb}.pau-intro-hero{background:linear-gradient(135deg,#fef3c7,#e0f2fe);padding:80px 24px 20px;text-align:center;position:relative;overflow:hidden}.pau-intro-hero-deco{position:absolute;border-radius:50%;pointer-events:none}.pau-intro-hero-deco-a{width:200px;height:200px;background:radial-gradient(circle,rgba(251,191,36,.2) 0%,transparent 70%);top:-40px;right:-40px}.pau-intro-hero-deco-b{width:150px;height:150px;background:radial-gradient(circle,rgba(14,165,233,.15) 0%,transparent 70%);bottom:-30px;left:-30px}.pau-intro-hero-inner{position:relative;z-index:2;max-width:700px;margin:0 auto}.pau-intro-hero-title{font-family:Outfit,sans-serif;font-size:clamp(1.4rem,3vw,2rem);font-weight:900;color:var(--pau-text);margin:0 0 6px}.pau-intro-hero-highlight{background:linear-gradient(90deg,var(--pau-amber),var(--pau-orange));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.pau-intro-hero-sub{font-size:14px;color:var(--pau-muted);margin:0;font-weight:600}.pau-intro-content{max-width:900px;margin:0 auto}.pau-intro-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(360px,1fr));gap:16px}.pau-intro-card{background:#fff;border-radius:20px;border:2px solid #e2e8f0;cursor:pointer;transition:all .3s cubic-bezier(.34,1.56,.64,1);overflow:hidden;position:relative}.pau-intro-card:hover{transform:translateY(-4px);box-shadow:0 12px 30px #00000014}.pau-intro-card--open{cursor:default}.pau-intro-card-strip{height:4px;width:100%}.pau-intro-card-header{display:flex;align-items:center;gap:14px;padding:16px 20px 12px}.pau-intro-card-icon{width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0;color:#fff}.pau-intro-card-title-block{flex:1}.pau-intro-card-q{font-family:Outfit,sans-serif;font-size:20px;font-weight:900}.pau-intro-card-sublabel{font-size:12px;font-weight:600;color:var(--pau-muted)}.pau-intro-card-chevron{font-size:14px;transition:all .3s ease;flex-shrink:0}.pau-intro-card-hint{padding:0 20px 14px;font-size:12px;color:var(--pau-muted);font-weight:600}.pau-intro-card-body{padding:0 20px 20px;animation:tcFadeIn .3s ease}.pau-intro-card-content{font-size:15px;line-height:1.7;color:#334155;margin-bottom:12px}.pau-intro-card-fact{padding:12px 16px;border-radius:12px;border:1px solid;font-size:13px;line-height:1.6;color:#334155;font-weight:600}.pau-intro-cta-strip{display:flex;align-items:center;justify-content:center;gap:16px;padding:20px;margin-top:16px}.pau-intro-cta-sub{font-size:14px;color:var(--pau-muted);font-weight:600}.pau-intro-cta-btn{display:inline-flex;align-items:center;gap:6px;padding:10px 24px;border-radius:100px;border:none;background:linear-gradient(135deg,var(--pau-amber),var(--pau-orange));color:#fff;font-size:14px;font-weight:800;cursor:pointer;box-shadow:0 4px 14px #d9770659;transition:all .2s}.pau-intro-cta-btn:hover{transform:scale(1.05);box-shadow:0 6px 20px #d9770673}.pau-terminology-page,.pau-skills-page{font-family:Inter,system-ui,sans-serif;min-height:100vh;background:#fffbeb}.pau-skills-list{display:flex;flex-direction:column;gap:14px}.pau-skill-card{display:flex;align-items:center;justify-content:space-between;background:#fff;border:1px solid var(--pau-border);border-radius:var(--pau-rlg);padding:20px 24px;box-shadow:var(--pau-sh);transition:all .3s ease;flex-wrap:wrap;gap:16px}.pau-skill-card:hover{transform:translateY(-4px);box-shadow:var(--pau-shlg);border-color:var(--pau-amber)}.pau-skill-info{display:flex;align-items:center;gap:14px;flex:1;min-width:260px}.pau-skill-icon{width:50px;height:50px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:22px;flex-shrink:0}.pau-skill-actions{display:flex;gap:10px;flex-wrap:wrap}.pau-btn-primary{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 28px;border-radius:100px;border:none;background:linear-gradient(135deg,var(--pau-amber),var(--pau-orange));color:#fff;font-family:Inter,sans-serif;font-size:14px;font-weight:800;cursor:pointer;box-shadow:0 4px 16px #d977064d;transition:all .25s cubic-bezier(.34,1.56,.64,1)}.pau-btn-primary:hover{transform:translateY(-2px) scale(1.03);box-shadow:0 8px 24px #d9770666}.pau-btn-secondary{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 28px;border-radius:100px;border:2px solid var(--pau-border);background:#fff;color:var(--pau-text);font-family:Inter,sans-serif;font-size:14px;font-weight:700;cursor:pointer;transition:all .2s ease}.pau-btn-secondary:hover{border-color:var(--pau-amber);color:var(--pau-amber);background:#fffbeb;transform:translateY(-1px)}.pau-learn-grid{display:grid;grid-template-columns:minmax(250px,300px) 1fr;gap:16px;align-items:start}.pau-learn-sidebar{max-height:65vh;overflow-y:auto}.pau-rule-split{display:grid;grid-template-columns:1fr 1fr;gap:24px}.pau-learn-footer{margin-top:40px;display:flex;gap:16px}.pau-quiz-container{max-width:800px;margin:0 auto;background:#fff;border-radius:24px;padding:32px 40px;box-shadow:0 15px 40px #0000000a;border:1px solid rgba(0,0,0,.04)}@media(max-width:1024px){.pau-fullpage{flex-direction:column}.pau-left{flex:none;padding:40px 24px}.pau-right{padding:32px 24px}.pau-intro-grid,.pau-learn-grid,.pau-rule-split{grid-template-columns:1fr}}@media(max-width:640px){.pau-main-title{font-size:2.2rem}.pau-stats-grid{gap:8px}.pau-stat{padding:10px 14px;min-width:60px}.pau-nav{padding:0 12px}.pau-nav-links{gap:2px}.pau-nav-link{font-size:11px;padding:5px 8px}.pau-skill-card{padding:16px}}.auth-page{min-height:100vh;display:flex;width:100%;overflow:hidden;background:#fff}.auth-hero-section{flex:0 0 50%;width:50%;background:radial-gradient(circle at 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#00000005;position:relative;z-index:20}.auth-card{width:100%;max-width:420px;padding:2rem}.auth-title{font-size:2rem;font-weight:700;color:#0f172a;margin-bottom:.5rem;text-align:center}.auth-subtitle{text-align:center;color:#64748b;margin-bottom:2.5rem}.back-link{display:inline-flex;align-items:center;gap:.5rem;color:#64748b;margin-bottom:2rem;text-decoration:none;font-size:.95rem;font-weight:500;transition:color .2s}.back-link:hover{color:#0f172a}.auth-form-group{margin-bottom:1.5rem}.auth-label{display:block;font-size:.9rem;font-weight:600;color:#334155;margin-bottom:.5rem}.auth-input{width:100%;padding:.85rem 1rem;border:1px solid #cbd5e1;border-radius:8px;font-size:1rem;transition:all .2s;background-color:#f8fafc}.auth-input:focus{outline:none;border-color:#0f172a;background-color:#fff;box-shadow:0 0 0 3px 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1fr;gap:20px;align-items:start}@media(max-width:900px){.cq-fullpage{flex-direction:column;overflow-y:auto;height:auto}.cq-left{width:100%;flex:0 0 auto;min-height:320px;padding:56px 24px}.cq-right{padding:40px 24px}.cq-5w1h-grid,.cq-learn-grid{grid-template-columns:1fr}}@media(max-width:600px){.cq-stats-grid{gap:8px}.cq-stat{padding:10px 14px;min-width:70px}.cq-stat-num{font-size:20px}.cq-skill-card{flex-direction:column;align-items:flex-start;padding:16px}.cq-skill-actions{width:100%;margin-top:4px}.cq-skill-actions>button{flex:1}.cq-nav{padding:10px 16px}.cq-nav-links{justify-content:center;width:100%;margin-top:8px}}.cq-learn-sidebar{display:flex;flex-direction:column;gap:8px}.cq-sidebar-btn{display:flex;align-items:center;gap:10px;padding:12px 14px;border-radius:12px;border:2px solid #f1f5f9;background:#fff;cursor:pointer;text-align:left;transition:all .18s;font-family:Open Sans,sans-serif}.cq-sidebar-btn:hover{border-color:var(--skill-color, #6366f1);background:#fafafa}.cq-sidebar-btn.active{border-color:var(--skill-color, #6366f1);background:color-mix(in srgb,var(--skill-color, #6366f1) 8%,#fff)}.cq-sidebar-btn-num{width:26px;height:26px;border-radius:8px;background:color-mix(in srgb,var(--skill-color, #6366f1) 15%,#fff);color:var(--skill-color, #6366f1);font-size:12px;font-weight:900;display:flex;align-items:center;justify-content:center;flex-shrink:0}.cq-sidebar-btn-title{font-size:13px;font-weight:700;color:#334155;line-height:1.3}.cq-sidebar-btn-icon{font-size:18px;flex-shrink:0}.cq-details-window{background:#fff;border-radius:20px;border:2px solid #f1f5f9;padding:28px;box-shadow:0 4px 20px #0000000a}.cq-details-window-anim{animation:cqFadeIn .28s ease}@keyframes cqFadeIn{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.cq-learn-header-row{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:20px}.cq-rule-split{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:20px}@media(max-width:680px){.cq-rule-split{grid-template-columns:1fr}}.cq-learn-footer{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.cq-tab{display:inline-flex;align-items:center;gap:6px;padding:10px 22px;border-radius:50px;border:2px solid #e2e8f0;background:#fff;font-size:14px;font-weight:700;color:#64748b;cursor:pointer;transition:all .18s;font-family:Open Sans,sans-serif}.cq-tab:hover{background:#f8fafc;border-color:#cbd5e1}.cq-tab.active{background:#1a237e;color:#fff;border-color:#1a237e}.cq-quiz-container{max-width:820px;margin:0 auto}.cq-quiz-card{background:#fff;border-radius:20px;padding:28px;box-shadow:0 4px 20px #0000000d;margin-bottom:16px}.cq-quiz-options{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}@media(max-width:600px){.cq-quiz-options{grid-template-columns:1fr}}.cq-score-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:10px}.cq-skills-list{display:flex;flex-direction:column;gap:16px;max-width:900px;margin:0 auto}.cq-skill-card{background:#fff;border-radius:20px;border:2px solid #f1f5f9;padding:22px 24px;display:flex;align-items:center;justify-content:space-between;gap:20px;box-shadow:0 2px 12px #0000000a;flex-wrap:wrap;transition:box-shadow .2s}.cq-skill-card:hover{box-shadow:0 8px 24px #00000014}.cq-skill-info{display:flex;align-items:center;gap:16px;flex:1;min-width:0}.cq-skill-icon{width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:26px;flex-shrink:0}.cq-skill-actions{display:flex;gap:10px;flex-shrink:0;flex-wrap:wrap}.cq-btn-primary{padding:12px 28px;background:#1a237e;color:#fff;border:none;border-radius:100px;font-size:14px;font-weight:800;cursor:pointer;box-shadow:0 6px 18px #1a237e47;transition:all .2s;font-family:Open Sans,sans-serif}.cq-btn-primary:hover{transform:translateY(-1px);box-shadow:0 10px 24px #1a237e59}.cq-btn-large{font-size:15px;padding:14px 36px}.cq-cta-section{margin-top:32px;text-align:center;padding-bottom:24px}.cq-cta-text{color:#64748b;font-size:14px;margin-bottom:16px;font-weight:500}.cq-btn-secondary{padding:12px 28px;background:#fff;color:#334155;border:2px solid #e2e8f0;border-radius:100px;font-size:14px;font-weight:700;cursor:pointer;transition:all .2s;font-family:Open Sans,sans-serif}.cq-btn-secondary:hover{background:#f8fafc;border-color:#cbd5e1}.cq-skill-btn-outline{padding:8px 18px;border-radius:50px;border:2px solid var(--btn-color, #6366f1);color:var(--btn-color, #6366f1);background:#fff;font-size:13px;font-weight:700;cursor:pointer;transition:all .18s;font-family:Open 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#e2e8f0;font-size:18px;font-weight:700;color:#0f172a;text-align:center;outline:none;transition:border-color .2s;font-family:Open Sans,sans-serif}.cq-fill-input:focus{border-color:#6366f1}:root{--primary-hue: 200;--bg-color: hsl(var(--primary-hue), 85%, 95%);--card-bg: rgba(255, 255, 255, .85);--glass-border: rgba(255, 255, 255, .6);--accent-color: hsl(var(--primary-hue), 80%, 60%);--text-main: #2D3436;--shadow-soft: 0 20px 40px rgba(0, 0, 0, .08)}.grade1-practice-page{min-height:100vh;background:var(--bg-color);background-attachment:fixed;font-family:Nunito,sans-serif;color:var(--text-main);font-weight:400;position:relative;overflow-x:hidden;overflow-y:auto;display:flex;flex-direction:column}.g1-bg-blobs{position:fixed;top:0;left:0;width:100%;height:100%;z-index:0;pointer-events:none}.blob{position:absolute;border-radius:50%;filter:blur(80px);opacity:.4;animation:float 20s infinite 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.3s;font-weight:400;color:var(--accent-color)}.g1-back-btn:hover{transform:translate(-5px);background:#fff}.g1-skip-btn{background:#ffedd5;color:#9a3412;border:2px dashed #FB923C;padding:8px 16px;border-radius:20px;font-weight:400;cursor:pointer;transition:all .2s;font-family:Nunito,sans-serif;display:flex;align-items:center;gap:8px;margin-right:15px;white-space:nowrap}.g1-skip-btn:hover{background:#ffd8a8;transform:scale(1.05)}.g1-topic-skill-header{text-align:center;margin-bottom:25px;display:flex;flex-direction:column;gap:8px}.g1-topic-name{font-size:.9rem;color:#64748b;font-weight:400;text-transform:uppercase;letter-spacing:2px}.g1-skill-name{font-family:Nunito,sans-serif!important;font-size:1.8rem;color:#2d3436;font-weight:400}.g1-progress-container{flex:1;margin:0 40px;height:12px;background:#0000000d;border-radius:10px;overflow:hidden;position:relative}.g1-progress-fill{height:100%;background:linear-gradient(90deg,#4ecdc4,#45b7af);box-shadow:0 0 10px #4ecdc466;transition:width .5s cubic-bezier(.175,.885,.32,1.275)}.g1-question-card{background:var(--card-bg);-webkit-backdrop-filter:blur(15px);backdrop-filter:blur(15px);border:1px solid var(--glass-border);border-radius:40px;padding:20px 80px;box-shadow:var(--shadow-soft);position:relative;overflow:hidden;margin-top:5px;width:100%;box-sizing:border-box}.g1-question-text{font-family:Nunito,sans-serif!important;font-size:2.8rem;font-weight:400;text-align:center;color:#2d3436;margin-bottom:20px;line-height:1.2}.g1-content-split{display:flex;gap:80px;align-items:center;margin-bottom:5px;width:100%}.g1-visual-area{flex:1;background:#ffffff80;border-radius:40px;min-height:300px;display:flex;justify-content:center;align-items:center;border:none;position:relative}.g1-addition-visual,.g1-subtraction-visual{width:100%;max-width:500px;margin:0 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cubic-bezier(.34,1.56,.64,1);box-shadow:0 10px 20px #0000000a;display:flex;justify-content:center;align-items:center;position:relative}.g1-option-btn:hover{transform:translateY(-8px);box-shadow:0 15px 30px #0000001a;border-color:#e2e8f0}.g1-option-btn.selected-correct{background:#c6f6d5;border-color:#48bb78;color:#22543d;transform:scale(1.05)}.g1-option-btn.selected-wrong{background:#fed7d7;border-color:#f56565;color:#742a2a}.g1-option-btn.selected-test{background:#e2e8f0;border-color:#4a5568;color:#2d3436;transform:translateY(-5px)}.g1-option-btn.revealed-correct{background:#c6f6d5;border-color:#48bb78;opacity:.8}.g1-results-container{padding-top:100px;display:flex;justify-content:center;align-items:center;min-height:100vh}.g1-results-card{text-align:center;padding:30px 40px}.g1-trophy-container{font-size:3.5rem;margin-bottom:10px;display:inline-block;animation:bounce 2s infinite}@keyframes bounce{0%,to{transform:translateY(0)}50%{transform:translateY(-20px)}}.g1-stat-badge{background:#fff;padding:15px 25px;border-radius:20px;display:inline-flex;align-items:center;gap:12px;margin:10px;box-shadow:0 8px 15px #0000000d}.g1-stat-value{font-size:1.8rem;font-weight:400;color:var(--accent-color)}.g1-next-action{margin-top:15px;display:flex;justify-content:center}.g1-primary-btn{background:var(--accent-color);color:#fff;padding:16px 40px;border-radius:30px;border:none;font-size:1.25rem;font-weight:400;cursor:pointer;box-shadow:0 10px 25px #87ceeb66;transition:all .3s;display:flex;align-items:center;gap:12px}.g1-primary-btn:hover{transform:scale(1.05) translateY(-3px);box-shadow:0 15px 35px #87ceeb99}.g1-timer-badge{background:#fff;padding:10px 20px;border-radius:20px;display:flex;align-items:center;gap:10px;box-shadow:0 4px 15px #0000000d;border:1px solid var(--glass-border);font-weight:400;color:#4ecdc4;font-family:Nunito,sans-serif;font-size:1.1rem}.g1-timer-badge svg{animation:pulse 2s infinite}@keyframes pulse{0%{transform:scale(1);opacity:1}50%{transform:scale(1.1);opacity:.7}to{transform:scale(1);opacity:1}}.g1-motivation-container{text-align:center;margin-top:10px;padding:12px 20px;border-radius:25px;background:#c6f6d54d;border:2px solid #48BB78}.g1-motivation-text{font-family:Nunito,sans-serif;font-size:1.8rem;font-weight:400;color:#2f855a;display:block;margin-bottom:5px}.g1-motivation-sub{font-size:1rem;color:#38a169;font-weight:400}.g1-loading-blob{width:100%;height:400px;background:linear-gradient(90deg,#f0f0f0 25%,#e0e0e0,#f0f0f0 75%);background-size:200% 100%;animation:loading 1.5s infinite;border-radius:40px}@keyframes loading{0%{background-position:200% 0}to{background-position:-200% 0}}.g1-numeric-card{background:#ffffff80!important;padding:clamp(20px,5vw,40px)!important;border-radius:40px!important;border:3px solid rgba(0,0,0,.05)!important;box-shadow:0 20px 40px #0000000a!important;margin:20px 0}.g1-num-box{min-width:120px;height:120px;display:flex;align-items:center;justify-content:center;border-radius:30px;font-size:5rem;font-weight:400;font-family:Nunito,sans-serif;box-shadow:0 10px 25px #0000000d;transition:all .3s cubic-bezier(.175,.885,.32,1.275)}.g1-num-box:hover{transform:scale(1.05) translateY(-5px)}.g1-input-container{display:flex;flex-direction:column;align-items:center;gap:20px;width:100%;margin:20px 0}.g1-number-input{width:200px;height:100px;background:#fff;border:4px solid #F0F0F0;border-radius:30px;font-family:Nunito,sans-serif;font-size:4rem;font-weight:400;text-align:center;color:#2d3436;outline:none;transition:all .3s ease;box-shadow:inset 0 4px 10px #0000000d}.g1-number-input:focus{border-color:#4ecdc4;box-shadow:0 0 0 10px #4ecdc41a;transform:translateY(-2px)}.g1-submit-btn{padding:15px 50px;background:linear-gradient(135deg,#ff6b6b,#ff8e8e);color:#fff;border:none;border-radius:25px;font-size:1.5rem;font-weight:400;cursor:pointer;transition:all .3s cubic-bezier(.175,.885,.32,1.275);box-shadow:0 8px 20px #ff6b6b4d;display:flex;align-items:center;gap:10px}.g1-submit-btn:hover:not(:disabled){transform:translateY(-3px) scale(1.05);box-shadow:0 12px 25px #ff6b6b66}.g1-submit-btn:active:not(:disabled){transform:scale(.95)}.g1-submit-btn:disabled{background:#cbd5e0;box-shadow:none;cursor:not-allowed;opacity:.7}.g1-number-input::-moz-placeholder{color:#e2e8f0}.g1-number-input::placeholder{color:#e2e8f0}@media screen and (max-width:768px){.g1-practice-container{padding:10px 15px}.g1-header-nav{flex-wrap:wrap;gap:10px;justify-content:center}.g1-topic-name{font-size:.9rem}.g1-skill-name{font-size:1.6rem}.g1-question-card{padding:20px 25px;border-radius:30px}.g1-question-text{font-size:1.8rem!important;margin-bottom:15px}.g1-content-split{flex-direction:column;gap:20px}.g1-visual-area{min-height:200px;padding:15px;width:100%}.g1-option-btn{padding:12px 20px;font-size:1.1rem}.g1-motivation-text{font-size:1.4rem}.g1-number-input{width:140px;height:70px;font-size:2.5rem}.g1-submit-btn{width:100%;justify-content:center;padding:12px 30px;font-size:1.2rem}.g1-stat-badge{padding:10px 15px}.g1-stat-value{font-size:1.4rem}}@media screen and (max-width:480px){.g1-skill-name{font-size:1.4rem}.g1-question-text{font-size:1.5rem!important}.g1-visual-area{min-height:180px}}.results-view{background-color:#f0fdfa!important;min-height:100vh;padding-top:80px!important;display:flex;flex-direction:column}.results-header{background:#31326f;height:160px;display:flex;flex-direction:column;justify-content:center;align-items:center;border-bottom-left-radius:4rem;border-bottom-right-radius:4rem;margin-bottom:2rem;box-shadow:0 10px 30px #31326f33;position:relative;width:100%}.results-title{color:#fff;font-size:2.5rem;font-weight:400;font-family:Nunito,sans-serif}.results-content{max-width:1000px;margin:0 auto;width:100%;padding:0 20px 40px}.results-hero-section{text-align:center;margin-bottom:2rem}.stars-container{display:flex;justify-content:center;gap:1.5rem;margin:1.5rem 0}.star-wrapper{filter:drop-shadow(0 4px 10px rgba(0,0,0,.1))}.results-stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1.5rem;margin-top:2rem}.stat-card{background:#fff;padding:1.5rem;border-radius:2rem;border:3px solid #E0FBEF;box-shadow:0 10px 25px #00000008;text-align:center}.stat-label{display:block;font-size:.75rem;font-weight:400;text-transform:uppercase;letter-spacing:.1em;color:#4fb7b3;margin-bottom:.5rem}.stat-value-large{font-size:2rem;font-weight:400;color:#31326f;font-family:Nunito,sans-serif}.detailed-breakdown{margin-top:4rem}.breakdown-title{font-size:1.8rem;font-weight:400;color:#31326f;margin-bottom:1.5rem;font-family:Nunito,sans-serif}.quest-log-item{background:#fff;border-radius:2rem;padding:1.5rem;margin-bottom:1.5rem;border:4px solid #F0FDFA;box-shadow:0 10px 20px #00000005;display:flex;gap:1.5rem;position:relative;transition:transform .2s}.quest-log-item:hover{transform:translate(10px);border-color:#e0fbef}.log-number{width:40px;height:40px;background:#4fb7b3;color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:900;flex-shrink:0}.log-number.wrong{background:#ff6b6b}.log-content{flex:1}.log-question{font-size:1.2rem;font-weight:400;color:#2d3436;margin-bottom:1rem}.log-answers{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-bottom:1rem}.log-answer-box{padding:1rem;border-radius:1rem;background:#f8fafc;border:2px solid 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#0003;z-index:1001;display:flex;flex-direction:column;overflow:hidden}.sheet-handle-bar{width:100%;height:24px;display:flex;justify-content:center;align-items:center;flex-shrink:0;cursor:grab}.sheet-handle{width:40px;height:5px;background:#e2e8f0;border-radius:10px}.sheet-header-mobile{display:flex;justify-content:space-between;align-items:center;padding:0 1rem .5rem;border-bottom:1px solid #F1F5F9;flex-shrink:0}.sheet-title{font-weight:700;color:#64748b;display:flex;align-items:center;gap:.5rem;font-size:.9rem;text-transform:uppercase;letter-spacing:.5px}.sheet-close-btn{background:#ef4444;color:#fff;border:2px solid white;width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s;box-shadow:0 4px 10px #ef444466}.sheet-close-btn:active{transform:scale(.9)}.sheet-content{flex:1;overflow:hidden;position:relative;background:#fff}.sheet-content 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h3{font-size:1.25rem!important}.int-quiz-card{padding:24px 20px!important;border-radius:16px!important}.int-quiz-question-text{font-size:1.1rem!important;line-height:1.5!important}.int-quiz-score-circle{width:110px!important;height:110px!important}.int-quiz-score-circle div:first-child{font-size:32px!important}.int-quiz-finished h2{font-size:1.5rem!important}.int-score-header{flex-direction:column;align-items:flex-start!important;gap:12px}.int-quiz-finished-actions{flex-direction:column;width:100%;max-width:320px;margin:0 auto}.int-quiz-finished-actions button{width:100%}}.int-sidebar-btn{display:flex;align-items:center;gap:10px;padding:10px 14px;border-radius:12px;border:1px solid rgba(0,0,0,.05);background:#fff;color:var(--int-text);transition:all .25s cubic-bezier(.4,0,.2,1);cursor:pointer;text-align:left}.int-sidebar-btn:hover:not(.active){background:var(--skill-color-15);border-color:var(--skill-color);transform:translateY(-2px);box-shadow:0 4px 12px 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button{width:100%!important}.dh-skill-card{flex-direction:column!important;padding:20px!important;height:auto!important}.dh-skill-info{flex-direction:column;text-align:center}.dh-skill-icon{margin:0 auto 12px!important}.dh-skill-actions{width:100%;margin-top:16px;padding-top:16px;border-top:1px solid rgba(0,0,0,.05);flex-wrap:wrap;justify-content:center}.dh-skill-actions button{flex:1;min-width:80px}}@media(max-width:480px){.dh-quiz-card{padding:24px 16px!important}.dh-quiz-score-circle{width:120px!important;height:120px!important}.dh-quiz-finished h2{font-size:24px!important}.dh-quiz-question-text{font-size:16px!important}}.high-practice-page{min-height:100vh;background-color:#f8fafc;font-family:Inter,sans-serif;color:#334155;display:flex;flex-direction:column}.high-practice-layout{display:flex;flex-direction:row;width:100%;align-items:flex-start}.high-sidebar{background:#fff;border-right:1px solid 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.prob-card-chevron{opacity:1;transform:translate(0)}.prob-exit-btn{position:relative;top:0;left:0;margin-bottom:32px;display:flex;align-items:center;gap:8px;padding:8px 18px;background:#fff;border:1.5px solid #e2e8f0;border-radius:10px;color:#475569;font-size:14px;font-weight:700;cursor:pointer;transition:all .2s cubic-bezier(.4,0,.2,1);z-index:100;box-shadow:0 2px 8px #0000000d}.prob-exit-btn:hover{background:#f8fafc;border-color:#cbd5e1;transform:translateY(-1px);box-shadow:0 4px 12px #00000014}.prob-exit-btn span{font-size:22px;line-height:1;margin-top:-3px;margin-right:-2px;font-weight:400}.prob-intro-page,.prob-terminology-page,.prob-skills-page{font-family:Inter,system-ui,sans-serif;background:#f8fafc;min-height:100vh;margin-top:-80px;padding-top:80px}.prob-intro-nav{position:sticky;top:80px;left:0;right:0;height:44px;background:#fffffff2;-webkit-backdrop-filter:blur(15px);backdrop-filter:blur(15px);border-bottom:1px solid 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(orientation:landscape){.practice-board-container{display:flex!important;flex-direction:row!important;align-items:flex-start!important;gap:20px;padding-top:10px}.practice-left-col{width:100%!important}.question-card-modern{max-height:none!important;height:auto!important;overflow:visible!important;padding:1rem!important}.interaction-area-modern{flex-direction:row!important;flex-wrap:wrap;justify-content:center}.options-grid-modern{grid-template-columns:repeat(2,1fr)!important}}.question-card-modern.picture-layout{max-width:1200px;width:95%}.picture-question-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:3rem;align-items:center;width:100%}.picture-section{display:flex;justify-content:center;align-items:center;background:#fff;padding:2rem;border-radius:2rem;border:3px solid #E2E8F0;box-shadow:0 10px 25px -5px #0000000d}.content-section{display:flex;flex-direction:column;justify-content:center;text-align:left}.content-section 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56px;overflow:hidden;background:linear-gradient(145deg,#78350f,#92400e,#d97706,#0284c7,#0c4a6e)}.tm-deco{position:absolute;border-radius:50%;pointer-events:none}.tm-deco-a{width:380px;height:380px;background:radial-gradient(circle,rgba(251,191,36,.35) 0%,transparent 70%);top:-80px;left:-80px}.tm-deco-b{width:280px;height:280px;background:radial-gradient(circle,rgba(14,165,233,.3) 0%,transparent 70%);bottom:-60px;right:-40px}.tm-deco-c{width:160px;height:160px;background:radial-gradient(circle,rgba(52,211,153,.25) 0%,transparent 70%);top:50%;left:55%;transform:translate(-50%,-50%)}.tm-left-content{position:relative;z-index:2;width:100%}.tm-main-title{font-family:Outfit,sans-serif;font-size:clamp(2.8rem,4.5vw,4.2rem);font-weight:900;line-height:1.05;color:#fff;margin:0 0 20px;letter-spacing:-.02em}.tm-title-accent{background:linear-gradient(90deg,#fbbf24,#fde68a,#bef264 80%,#a3e635);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.tm-main-sub{font-size:clamp(.9rem,1.3vw,1.05rem);color:#ffffffc7;line-height:1.75;max-width:400px;margin:0 0 36px;font-weight:400}.tm-stats-grid{display:flex;flex-wrap:wrap;gap:12px}.tm-stat{display:flex;flex-direction:column;align-items:center;background:#ffffff24;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,.25);border-radius:14px;padding:14px 20px;min-width:76px;transition:transform .2s ease,background .2s ease}.tm-stat:hover{transform:translateY(-3px);background:#ffffff38}.tm-stat-num{font-family:Outfit,sans-serif;font-size:2rem;font-weight:900;line-height:1;color:#fff!important;text-shadow:0 0 16px rgba(255,255,255,.5),0 2px 8px rgba(0,0,0,.3);-webkit-text-fill-color:#ffffff}.tm-stat-lbl{font-size:10px;font-weight:700;letter-spacing:.5px;color:#ffffffb3;margin-top:5px;text-align:center;text-transform:uppercase}.tm-right{flex:1;display:flex;flex-direction:column;justify-content:center;padding:40px 40px 40px 36px;background:#fffbeb}.tm-right-eyebrow{font-size:11px;font-weight:800;letter-spacing:2.5px;text-transform:uppercase;color:var(--tm-amber);margin:0 0 20px 4px}.tm-cards-col{display:flex;flex-direction:column;gap:16px}.tm-card-btn{display:flex;align-items:center;gap:0;background:#fff;border:1px solid var(--tm-border);border-radius:var(--tm-rlg);overflow:hidden;cursor:pointer;text-align:left;width:100%;padding:0;box-shadow:0 2px 10px #0000000f;transition:all .28s cubic-bezier(.34,1.56,.64,1);position:relative}.tm-card-btn:hover{transform:translate(6px);box-shadow:0 8px 28px #0000001f}.tm-card-strip{width:6px;align-self:stretch;flex-shrink:0}.tm-card-icon{width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:24px;flex-shrink:0;margin:20px 18px 20px 20px}.tm-card-text{flex:1;padding:18px 0}.tm-card-label{font-family:Outfit,sans-serif;font-size:18px;font-weight:800;line-height:1.1;margin-bottom:3px}.tm-card-tagline{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:1.5px;color:var(--tm-muted);margin-bottom:6px}.tm-card-desc{font-size:13px;color:#64748b;line-height:1.55;max-width:340px}.tm-card-chevron{font-size:32px;font-weight:900;line-height:1;padding:0 22px;opacity:0;transition:opacity .2s ease,transform .2s ease;transform:translate(-6px)}.tm-card-btn:hover .tm-card-chevron{opacity:1;transform:translate(0)}.tm-page{font-family:Inter,system-ui,sans-serif;background:#f8fafc;color:var(--tm-text);min-height:100vh}.tm-nav{position:sticky;top:0;z-index:50;display:flex;align-items:center;justify-content:space-between;padding:0 24px;height:56px;background:#ffffffeb;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-bottom:1px solid rgba(0,0,0,.06);font-family:Inter,system-ui,sans-serif}.tm-nav-back{display:inline-flex;align-items:center;gap:6px;background:none;border:none;font-size:14px;font-weight:700;color:var(--tm-amber);cursor:pointer;padding:6px 0;transition:color .2s}.tm-nav-back:hover{color:var(--tm-orange)}.tm-nav-links{display:flex;gap:6px}.tm-nav-link{display:inline-flex;align-items:center;gap:4px;padding:6px 14px;border-radius:100px;border:1.5px solid transparent;background:none;font-size:13px;font-weight:700;color:var(--tm-muted);cursor:pointer;transition:all .2s}.tm-nav-link:hover{color:var(--tm-amber);background:#d977060f}.tm-nav-link--active{background:linear-gradient(135deg,var(--tm-amber),var(--tm-orange));color:#fff!important;border-color:transparent;box-shadow:0 3px 10px #d977064d}.tm-tab{display:flex;align-items:center;gap:8px;padding:12px 26px;border-radius:100px;border:2px solid #e2e8f0;background:#f8fafc;color:var(--tm-muted);font-weight:700;font-size:16px;cursor:pointer;transition:all .25s ease}.tm-tab:hover{border-color:var(--tm-amber);color:var(--tm-amber);background:#fffbeb;transform:translateY(-2px)}.tm-tab.active{background:linear-gradient(135deg,var(--tm-amber),var(--tm-orange));border-color:transparent;color:#fff;box-shadow:0 4px 16px #d9770659;transform:translateY(-2px)}.tm-intro-page{font-family:Inter,system-ui,sans-serif;min-height:100vh;background:#fffbeb}.tm-intro-hero{background:linear-gradient(135deg,#fef3c7,#e0f2fe);padding:80px 24px 20px;text-align:center;position:relative;overflow:hidden}.tm-intro-hero-deco{position:absolute;border-radius:50%;pointer-events:none}.tm-intro-hero-deco-a{width:200px;height:200px;background:radial-gradient(circle,rgba(251,191,36,.2) 0%,transparent 70%);top:-40px;right:-40px}.tm-intro-hero-deco-b{width:150px;height:150px;background:radial-gradient(circle,rgba(14,165,233,.15) 0%,transparent 70%);bottom:-30px;left:-30px}.tm-intro-hero-inner{position:relative;z-index:2;max-width:700px;margin:0 auto}.tm-intro-hero-title{font-family:Outfit,sans-serif;font-size:clamp(1.4rem,3vw,2rem);font-weight:900;color:var(--tm-text);margin:0 0 6px}.tm-intro-hero-highlight{background:linear-gradient(90deg,var(--tm-amber),var(--tm-orange));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.tm-intro-hero-sub{font-size:14px;color:var(--tm-muted);margin:0;font-weight:600}.tm-intro-content{max-width:900px;margin:0 auto}.tm-intro-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(360px,1fr));gap:16px}.tm-intro-card{background:#fff;border-radius:20px;border:2px solid #e2e8f0;cursor:pointer;transition:all .3s cubic-bezier(.34,1.56,.64,1);overflow:hidden;position:relative}.tm-intro-card:hover{transform:translateY(-4px);box-shadow:0 12px 30px #00000014}.tm-intro-card--open{cursor:default}.tm-intro-card-strip{height:4px;width:100%}.tm-intro-card-header{display:flex;align-items:center;gap:14px;padding:16px 20px 12px}.tm-intro-card-icon{width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0;color:#fff}.tm-intro-card-title-block{flex:1}.tm-intro-card-q{font-family:Outfit,sans-serif;font-size:20px;font-weight:900}.tm-intro-card-sublabel{font-size:12px;font-weight:600;color:var(--tm-muted)}.tm-intro-card-chevron{font-size:14px;transition:all .3s ease;flex-shrink:0}.tm-intro-card-hint{padding:0 20px 14px;font-size:12px;color:var(--tm-muted);font-weight:600}.tm-intro-card-body{padding:0 20px 20px;animation:tcFadeIn .3s ease}@keyframes tcFadeIn{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}.tm-intro-card-content{font-size:15px;line-height:1.7;color:#334155;margin-bottom:12px}.tm-intro-card-fact{padding:12px 16px;border-radius:12px;border:1px solid;font-size:13px;line-height:1.6;color:#334155;font-weight:600}.tm-intro-cta-strip{display:flex;align-items:center;justify-content:center;gap:16px;padding:20px;margin-top:16px}.tm-intro-cta-sub{font-size:14px;color:var(--tm-muted);font-weight:600}.tm-intro-cta-btn{display:inline-flex;align-items:center;gap:6px;padding:10px 24px;border-radius:100px;border:none;background:linear-gradient(135deg,var(--tm-amber),var(--tm-orange));color:#fff;font-size:14px;font-weight:800;cursor:pointer;box-shadow:0 4px 14px #d9770659;transition:all .2s}.tm-intro-cta-btn:hover{transform:scale(1.05);box-shadow:0 6px 20px #d9770673}.tm-terminology-page,.tm-skills-page{font-family:Inter,system-ui,sans-serif;min-height:100vh;background:#fffbeb}.tm-skills-list{display:flex;flex-direction:column;gap:14px}.tm-skill-card{display:flex;align-items:center;justify-content:space-between;background:#fff;border:1px solid var(--tm-border);border-radius:var(--tm-rlg);padding:20px 24px;box-shadow:var(--tm-sh);transition:all .3s ease;flex-wrap:wrap;gap:16px}.tm-skill-card:hover{transform:translateY(-4px);box-shadow:var(--tm-shlg);border-color:var(--tm-amber)}.tm-skill-info{display:flex;align-items:center;gap:14px;flex:1;min-width:260px}.tm-skill-icon{width:50px;height:50px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:22px;flex-shrink:0}.tm-skill-actions{display:flex;gap:10px;flex-wrap:wrap}.tm-btn-primary{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 28px;border-radius:100px;border:none;background:linear-gradient(135deg,var(--tm-amber),var(--tm-orange));color:#fff;font-family:Inter,sans-serif;font-size:14px;font-weight:800;cursor:pointer;box-shadow:0 4px 16px #d977064d;transition:all .25s cubic-bezier(.34,1.56,.64,1)}.tm-btn-primary:hover{transform:translateY(-2px) scale(1.03);box-shadow:0 8px 24px #d9770666}.tm-btn-secondary{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 28px;border-radius:100px;border:2px solid var(--tm-border);background:#fff;color:var(--tm-text);font-family:Inter,sans-serif;font-size:14px;font-weight:700;cursor:pointer;transition:all .2s ease}.tm-btn-secondary:hover{border-color:var(--tm-amber);color:var(--tm-amber);background:#fffbeb;transform:translateY(-1px)}.tm-learn-grid{display:grid;grid-template-columns:minmax(250px,300px) 1fr;gap:16px;align-items:start}.tm-learn-sidebar{max-height:65vh;overflow-y:auto}.tm-rule-split{display:grid;grid-template-columns:1fr 1fr;gap:24px}.tm-learn-footer{margin-top:40px;display:flex;gap:16px}.tm-quiz-container{max-width:800px;margin:0 auto;background:#fff;border-radius:24px;padding:32px 40px;box-shadow:0 15px 40px #0000000a;border:1px solid rgba(0,0,0,.04)}@media(max-width:1024px){.tm-fullpage{flex-direction:column}.tm-left{flex:none;padding:40px 24px}.tm-right{padding:32px 24px}.tm-intro-grid,.tm-learn-grid,.tm-rule-split{grid-template-columns:1fr}}@media(max-width:640px){.tm-main-title{font-size:2.2rem}.tm-stats-grid{gap:8px}.tm-stat{padding:10px 14px;min-width:60px}.tm-nav{padding:0 12px}.tm-nav-links{gap:2px}.tm-nav-link{font-size:11px;padding:5px 8px}.tm-skill-card{padding:16px}}:root{--dh-green: #059669;--dh-teal: #0d9488;--dh-purple: #7c3aed;--dh-sky: #0284c7;--dh-text: #0f172a;--dh-muted: #64748b;--dh-card: #ffffff;--dh-border: #e2e8f0;--dh-success: #10b981;--dh-wrong: #ef4444;--dh-r: 14px;--dh-rlg: 20px;--dh-sh: 0 4px 20px rgba(0, 0, 0, .09);--dh-shlg: 0 12px 40px rgba(0, 0, 0, .14)}.dh-fullpage{display:flex;min-height:calc(100vh - 64px);font-family:Inter,system-ui,sans-serif;overflow:hidden}.dh-left{position:relative;flex:0 0 46%;display:flex;align-items:center;justify-content:center;padding:48px 48px 48px 56px;overflow:hidden;background:linear-gradient(145deg,#064e3b,#065f46,#059669,#7c3aed,#4c1d95)}.dh-deco{position:absolute;border-radius:50%;pointer-events:none}.dh-deco-a{width:380px;height:380px;background:radial-gradient(circle,rgba(52,211,153,.35) 0%,transparent 70%);top:-80px;left:-80px}.dh-deco-b{width:280px;height:280px;background:radial-gradient(circle,rgba(139,92,246,.3) 0%,transparent 70%);bottom:-60px;right:-40px}.dh-deco-c{width:160px;height:160px;background:radial-gradient(circle,rgba(56,189,248,.25) 0%,transparent 70%);top:50%;left:55%;transform:translate(-50%,-50%)}.dh-left-content{position:relative;z-index:2;width:100%}.dh-main-title{font-family:Outfit,sans-serif;font-size:clamp(2.8rem,4.5vw,4.2rem);font-weight:900;line-height:1.05;color:#fff;margin:0 0 20px;letter-spacing:-.02em}.dh-title-accent{background:linear-gradient(90deg,#34d399,#a5f3fc,#c4b5fd 80%,#a78bfa);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.dh-main-sub{font-size:clamp(.9rem,1.3vw,1.05rem);color:#ffffffc7;line-height:1.75;max-width:400px;margin:0 0 36px;font-weight:400}.dh-stats-grid{display:flex;flex-wrap:wrap;gap:12px}.dh-stat{display:flex;flex-direction:column;align-items:center;background:#ffffff24;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,.25);border-radius:14px;padding:14px 20px;min-width:76px;transition:transform .2s ease,background .2s ease}.dh-stat:hover{transform:translateY(-3px);background:#ffffff38}.dh-stat-num{font-family:Outfit,sans-serif;font-size:2rem;font-weight:900;line-height:1;color:#fff!important;text-shadow:0 0 16px rgba(255,255,255,.5),0 2px 8px rgba(0,0,0,.3);-webkit-text-fill-color:#ffffff}.dh-stat-lbl{font-size:10px;font-weight:700;letter-spacing:.5px;color:#ffffffb3;margin-top:5px;text-align:center;text-transform:uppercase}.dh-right{flex:1;display:flex;flex-direction:column;justify-content:center;padding:40px 40px 40px 36px;background:#f0fdf4}.dh-right-eyebrow{font-size:11px;font-weight:800;letter-spacing:2.5px;text-transform:uppercase;color:var(--dh-green);margin:0 0 20px 4px}.dh-cards-col{display:flex;flex-direction:column;gap:16px}.dh-card-btn{display:flex;align-items:center;gap:0;background:#fff;border:1px solid var(--dh-border);border-radius:var(--dh-rlg);overflow:hidden;cursor:pointer;text-align:left;width:100%;padding:0;box-shadow:0 2px 10px #0000000f;transition:all .28s cubic-bezier(.34,1.56,.64,1);position:relative}.dh-card-btn:hover{transform:translate(6px);box-shadow:0 8px 28px #0000001f}.dh-card-strip{width:6px;align-self:stretch;flex-shrink:0}.dh-card-icon{width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:24px;flex-shrink:0;margin:20px 18px 20px 20px}.dh-card-text{flex:1;padding:18px 0}.dh-card-label{font-family:Outfit,sans-serif;font-size:18px;font-weight:800;line-height:1.1;margin-bottom:3px}.dh-card-tagline{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:1.5px;color:var(--dh-muted);margin-bottom:6px}.dh-card-desc{font-size:13px;color:#64748b;line-height:1.55;max-width:340px}.dh-card-chevron{font-size:32px;font-weight:900;line-height:1;padding:0 22px;opacity:0;transition:opacity .2s ease,transform .2s ease;transform:translate(-6px)}.dh-card-btn:hover .dh-card-chevron{opacity:1;transform:translate(0)}.dh-page{font-family:Inter,system-ui,sans-serif;background:#f8fafc;color:var(--dh-text);min-height:100vh}.dh-nav{position:sticky;top:0;z-index:50;display:flex;align-items:center;justify-content:space-between;padding:0 24px;height:56px;background:#ffffffeb;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-bottom:1px solid rgba(0,0,0,.06);font-family:Inter,system-ui,sans-serif}.dh-nav-back{display:inline-flex;align-items:center;gap:6px;background:none;border:none;font-size:14px;font-weight:700;color:var(--dh-green);cursor:pointer;padding:6px 0;transition:color .2s}.dh-nav-back:hover{color:var(--dh-teal)}.dh-nav-links{display:flex;gap:6px}.dh-nav-link{display:inline-flex;align-items:center;gap:4px;padding:6px 14px;border-radius:100px;border:1.5px solid transparent;background:none;font-size:13px;font-weight:700;color:var(--dh-muted);cursor:pointer;transition:all .2s}.dh-nav-link:hover{color:var(--dh-green);background:#0596690f}.dh-nav-link--active{background:linear-gradient(135deg,var(--dh-green),var(--dh-teal));color:#fff!important;border-color:transparent;box-shadow:0 3px 10px #0596694d}.dh-intro-page{font-family:Inter,system-ui,sans-serif;min-height:100vh;background:#f0fdf4}.dh-intro-hero{background:linear-gradient(135deg,#d1fae5,#ede9fe);padding:80px 24px 20px;text-align:center;position:relative;overflow:hidden}.dh-intro-hero-deco{position:absolute;border-radius:50%;pointer-events:none}.dh-intro-hero-deco-a{width:200px;height:200px;background:radial-gradient(circle,rgba(52,211,153,.2) 0%,transparent 70%);top:-40px;right:-40px}.dh-intro-hero-deco-b{width:150px;height:150px;background:radial-gradient(circle,rgba(139,92,246,.15) 0%,transparent 70%);bottom:-30px;left:-30px}.dh-intro-hero-inner{position:relative;z-index:2;max-width:700px;margin:0 auto}.dh-intro-hero-title{font-family:Outfit,sans-serif;font-size:clamp(1.4rem,3vw,2rem);font-weight:900;color:var(--dh-text);margin:0 0 6px}.dh-intro-hero-highlight{background:linear-gradient(90deg,var(--dh-green),var(--dh-teal));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.dh-intro-hero-sub{font-size:14px;color:var(--dh-muted);margin:0;font-weight:600}.dh-intro-content{max-width:900px;margin:0 auto}.dh-intro-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(360px,1fr));gap:16px}.dh-intro-card{background:#fff;border-radius:20px;border:2px solid #e2e8f0;cursor:pointer;transition:all .3s cubic-bezier(.34,1.56,.64,1);overflow:hidden;position:relative}.dh-intro-card:hover{transform:translateY(-4px);box-shadow:0 12px 30px #00000014}.dh-intro-card--open{cursor:default}.dh-intro-card-strip{height:4px;width:100%}.dh-intro-card-header{display:flex;align-items:center;gap:14px;padding:16px 20px 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