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2rem}.nav-brand,.nav-container{align-items:center;display:flex}.nav-brand{font-size:18px;font-size:var(--font-size-xl);font-weight:600;font-weight:var(--font-weight-bold);gap:.5rem}.brand-icon{font-size:1.5rem}.brand-text{-webkit-text-fill-color:#0000;background:linear-gradient(135deg,#2563eb,#2da6b2);background:linear-gradient(135deg,var(--color-primary),var(--color-teal-400));-webkit-background-clip:text;background-clip:text}.nav-actions{gap:1rem}.hero-section,.nav-actions{align-items:center;display:flex}.hero-section{min-height:100vh;padding:8rem 0 4rem;position:relative}.hero-container{grid-gap:4rem;align-items:center;display:grid;gap:4rem;grid-template-columns:1fr 1fr;margin:0 auto;max-width:1200px;padding:0 2rem}.hero-content{position:relative}.hero-badge{align-items:center;animation:slideInUp .8s ease .2s both;background:rgba(#1d4ed8,.1);background:rgba(var(--color-primary-hover),.1);border:1px solid rgba(#2563eb,.2);border:1px solid 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both;display:flex;gap:1rem;margin-bottom:3rem}.hero-cta{overflow:hidden;position:relative;transform:perspective(1px) translateZ(0)}.hero-cta:before{background:linear-gradient(90deg,#0000,#fff3,#0000);content:"";height:100%;left:-100%;position:absolute;top:0;transition:left .5s;width:100%}.hero-cta:hover:before{left:100%}.hero-cta svg{margin-left:.5rem;transition:transform .3s ease}.hero-cta:hover svg{transform:translateX(4px)}.hero-stats{grid-gap:2rem;animation:slideInUp .8s ease 1s both;display:grid;gap:2rem;grid-template-columns:repeat(4,1fr)}.stat-number{color:#2563eb;color:var(--color-primary);font-weight:600;font-weight:var(--font-weight-bold);margin-bottom:.25rem}.stat-label{color:#475569;color:var(--color-text-secondary);font-size:var(--font-size-sm);font-weight:var(--font-weight-medium)}.hero-visual{animation:slideInRight .8s ease .6s both;height:500px;position:relative}.floating-card{animation:floatCard 4s ease-in-out infinite;background:rgba(#f8fafc,.9);background:rgba(var(--color-surface),.9);border:1px solid rgba(#e2e8f0,.2);border:1px solid rgba(var(--color-border),.2);border-radius:1rem;box-shadow:0 10px 40px #0000001a;padding:1.5rem;position:absolute}.card-1{animation-delay:0s;left:50px;top:50px}.card-2{animation-delay:1s;right:100px;top:100px}.card-3{animation-delay:2s;bottom:100px;left:100px}.card-content{align-items:center;display:flex;flex-direction:column;gap:1rem;text-align:center}.progress-ring{height:60px;width:60px}.progress-svg{height:100%;transform:rotate(-90deg);width:100%}.progress-bg{fill:none;stroke:rgba(#e2e8f0,.2);stroke:rgba(var(--color-border),.2);stroke-width:2}.progress-bar{fill:none;stroke:#2563eb;stroke:var(--color-primary);stroke-width:2;stroke-linecap:round;animation:drawProgress 2s ease-out}.progress-text{color:#2563eb;color:var(--color-primary);font-size:12px;font-size:var(--font-size-sm);font-weight:600;font-weight:var(--font-weight-bold);left:50%;top:50%;transform:translate(-50%,-50%)}.achievement-icon{animation:bounce 2s ease-in-out infinite;font-size:2rem}.chart-mini{align-items:flex-end;display:flex;gap:.25rem;height:40px}.bar{animation:growBar 1.5s ease-out;background:linear-gradient(0deg,#2563eb,#2da6b2);background:linear-gradient(to top,var(--color-primary),var(--color-teal-400));width:8px}@keyframes floatCard{0%,to{transform:translateY(0)}50%{transform:translateY(-20px)}}@keyframes drawProgress{0%{stroke-dasharray:0,100}to{stroke-dasharray:75,100}}@keyframes growBar{0%{height:0}to{height:100%;height:var(--final-height,100%)}}.features-section{background:linear-gradient(135deg,rgba(rgba(59,130,246,.08),.3),rgba(rgba(34,197,94,.08),.3));background:linear-gradient(135deg,rgba(var(--color-bg-1),.3) 0,rgba(var(--color-bg-3),.3) 100%);padding:6rem 0;position:relative}.features-container{margin:0 auto;max-width:1200px;padding:0 2rem}.section-header{margin-bottom:4rem}.section-title{font-weight:600;font-weight:var(--font-weight-bold)}.section-description{color:#475569;color:var(--color-text-secondary);font-size:16px;font-size:var(--font-size-lg);margin:0 auto;max-width:600px}.features-grid{grid-gap:2rem;gap:2rem;grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}.feature-card{background:rgba(#f8fafc,.9);background:rgba(var(--color-surface),.9);border:1px solid rgba(#e2e8f0,.2);border:1px solid rgba(var(--color-border),.2);border-radius:1rem;overflow:hidden;position:relative}.feature-card:before{background:linear-gradient(90deg,#2563eb,#2da6b2);background:linear-gradient(90deg,var(--color-primary),var(--color-teal-400));content:"";height:3px;left:0;position:absolute;right:0;top:0;transform:scaleX(0);transition:transform .3s ease}.feature-card:hover:before{transform:scaleX(1)}.feature-card:hover{box-shadow:0 20px 40px #0000001a}.feature-icon{display:inline-block;margin-bottom:1.5rem;transition:transform .3s ease}.feature-card:hover .feature-icon{transform:scale(1.1)}.feature-title{color:var(--color-text);font-size:18px;font-size:var(--font-size-xl);font-weight:600;font-weight:var(--font-weight-bold);margin-bottom:1rem}.feature-description{color:#475569;color:var(--color-text-secondary);line-height:1.6}.cta-section{background:linear-gradient(135deg,#2563eb,#2da6b2);background:linear-gradient(135deg,var(--color-primary),var(--color-teal-400));overflow:hidden;padding:6rem 0;position:relative}.cta-section:before{background:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'%3E%3Cdefs%3E%3Cpattern id='a' width='100' height='100' patternUnits='userSpaceOnUse'%3E%3Ccircle cx='50' cy='50' r='1' fill='%23fff' opacity='.1'/%3E%3C/pattern%3E%3C/defs%3E%3Cpath fill='url(%23a)' d='M0 0h100v100H0z'/%3E%3C/svg%3E") repeat;bottom:0;content:"";left:0;pointer-events:none;position:absolute;right:0;top:0}.cta-container{margin:0 auto;max-width:800px;padding:0 2rem;position:relative;text-align:center;z-index:1}.cta-title{color:#fff;font-size:2.5rem;font-weight:600;font-weight:var(--font-weight-bold);margin-bottom:1rem}.cta-description{color:#ffffffe6;font-size:16px;font-size:var(--font-size-lg);line-height:1.6;margin-bottom:2rem}.cta-button{background:#fff;box-shadow:0 10px 30px #0003;color:#2563eb;color:var(--color-primary);font-weight:600;font-weight:var(--font-weight-bold);transition:all .3s ease}.cta-button:hover{background:#fffffff2;box-shadow:0 15px 40px #0000004d;transform:translateY(-2px)}.landing-footer{background:#f8fafc;background:var(--color-surface);border-top:1px solid rgba(#e2e8f0,.1);border-top:1px solid rgba(var(--color-border),.1);padding:3rem 0}.footer-container{margin:0 auto;max-width:1200px;padding:0 2rem}.footer-content{text-align:center}.footer-brand{align-items:center;display:flex;font-size:18px;font-size:var(--font-size-xl);font-weight:600;font-weight:var(--font-weight-bold);gap:.5rem;justify-content:center;margin-bottom:1rem}.footer-text{color:#475569;color:var(--color-text-secondary);margin:0 auto;max-width:500px}@media (max-width:768px){.hero-container{gap:3rem;grid-template-columns:1fr;text-align:center}.hero-visual{height:300px}.hero-title{font-size:2.5rem}.hero-stats{grid-template-columns:repeat(2,1fr)}.hero-actions{flex-direction:column}.nav-container{padding:1rem}.nav-actions{gap:.5rem}.features-grid{grid-template-columns:1fr}.floating-card{margin:1rem 0;position:static}.cta-title,.section-title{font-size:2rem}}@media (max-width:480px){.hero-title{font-size:2rem}.hero-stats{grid-template-columns:1fr}.nav-brand{font-size:14px;font-size:var(--font-size-base)}}.clickable{cursor:pointer}.login-left{background:linear-gradient(135deg,#3b82f614,#22c55e14);background:linear-gradient(135deg,var(--color-bg-1) 0,var(--color-bg-3) 100%);overflow:hidden;padding:32px;padding:var(--space-32)}.login-left:before{animation:float 6s ease-in-out infinite;background:radial-gradient(circle,#ffffff1a 0,#0000 70%);content:"";height:200%;left:-50%;position:absolute;top:-50%;width:200%}.brain-illustration{max-width:400px;position:relative;z-index:2}.brain-svg{filter:drop-shadow(0 10px 30px rgba(0,0,0,.1))}.login-right{background:#f8fafc;background:var(--color-surface);padding:32px;padding:var(--space-32)}.login-header{margin-bottom:32px;margin-bottom:var(--space-32)}.login-header h1{font-size:24px;font-size:var(--font-size-3xl)}.brand-name{background:linear-gradient(135deg,#2563eb,#2da6b2);background:linear-gradient(135deg,var(--color-primary) 0,var(--color-teal-400) 100%);font-weight:600;font-weight:var(--font-weight-bold)}.login-form{display:flex;flex-direction:column;gap:16px;gap:var(--space-16)}.error-message{align-items:center;background:#c0152f1a;background:rgba(var(--color-error-rgb),.1);border:1px solid #c0152f4d;border:1px solid rgba(var(--color-error-rgb),.3);border-radius:var(--radius-base);color:#dc2626;color:var(--color-error);display:flex;font-size:12px;font-size:var(--font-size-sm);gap:8px;gap:var(--space-8);padding:12px 16px;padding:var(--space-12) var(--space-16);position:relative}.error-icon{flex-shrink:0;height:18px;width:18px}.error-close{background:none;border:none;color:#dc2626;color:var(--color-error);cursor:pointer;font-size:16px;font-size:var(--font-size-lg);line-height:1;opacity:.7;padding:2px;padding:var(--space-2);position:absolute;right:8px;right:var(--space-8);top:8px;top:var(--space-8);transition:opacity .15s;transition:opacity var(--duration-fast)}.error-close:hover{opacity:1}.google-signin-container{margin-bottom:16px;margin-bottom:var(--space-16)}.divider{margin:20px 0;margin:var(--space-20) 0}.divider:before{background:#e2e8f0;background:var(--color-border)}.divider span{background:#f8fafc;background:var(--color-surface);color:#475569;color:var(--color-text-secondary);font-size:12px;font-size:var(--font-size-sm);padding:0 16px;padding:0 var(--space-16)}.input-group{display:flex;flex-direction:column;gap:8px;gap:var(--space-8)}.input-group label{font-size:12px;font-size:var(--font-size-sm);font-weight:var(--font-weight-medium)}.input-container input{background:#f8fafc;background:var(--color-surface);border:2px solid #e2e8f0;border:2px solid var(--color-border);border-radius:8px;border-radius:var(--radius-base);font-size:14px;font-size:var(--font-size-base);padding:12px 16px;padding:var(--space-12) var(--space-16);padding-right:32px;padding-right:var(--space-32);transition:all .15s;transition:all var(--duration-fast)}.input-container input:focus{border-color:#2563eb;border-color:var(--color-primary);box-shadow:0 0 0 3px #21808d66;box-shadow:0 0 0 3px var(--color-focus-ring)}.input-container input::placeholder{color:#475569;color:var(--color-text-secondary);opacity:.7}.password-toggle{border-radius:6px;border-radius:var(--radius-sm);color:#475569;color:var(--color-text-secondary);padding:4px;padding:var(--space-4);right:12px;right:var(--space-12);top:50%;transform:translateY(-50%);transition:color .15s;transition:color var(--duration-fast)}.password-toggle:hover{color:#0f172a;color:var(--color-text)}.form-options{font-size:12px;font-size:var(--font-size-sm)}.checkbox-container{align-items:center;cursor:pointer;display:flex;gap:8px;gap:var(--space-8);position:relative}.checkbox-container input[type=checkbox]{opacity:0;position:absolute}.checkmark{border:2px solid #e2e8f0;border:2px solid var(--color-border);border-radius:6px;border-radius:var(--radius-sm);flex-shrink:0;height:18px;position:relative;transition:all .15s;transition:all var(--duration-fast);width:18px}.checkbox-container input[type=checkbox]:checked+.checkmark{background:#2563eb;background:var(--color-primary);border-color:#2563eb;border-color:var(--color-primary)}.checkbox-container input[type=checkbox]:checked+.checkmark:after{border:solid #fcfcf9;border:solid var(--color-btn-primary-text);border-width:0 2px 2px 0;content:"";height:8px;left:5px;position:absolute;top:2px;transform:rotate(45deg);width:4px}.forgot-password{color:#2563eb;color:var(--color-primary);font-weight:var(--font-weight-medium);transition:color .15s;transition:color var(--duration-fast)}.forgot-password:hover{color:#1d4ed8;color:var(--color-primary-hover)}.login-btn{align-items:center;background:#2563eb;background:var(--color-primary);border-radius:8px;border-radius:var(--radius-base);color:#fcfcf9;color:var(--color-btn-primary-text);display:flex;font-size:14px;font-size:var(--font-size-base);font-weight:500;font-weight:var(--font-weight-medium);gap:8px;gap:var(--space-8);justify-content:center;min-height:48px;padding:12px 24px;padding:var(--space-12) var(--space-24);position:relative;transition:all .15s;transition:all var(--duration-fast)}.login-btn:hover:not(:disabled){background:#1d4ed8;background:var(--color-primary-hover);box-shadow:0 4px 6px -1px #0000000a,0 2px 4px -1px #00000005;box-shadow:var(--shadow-md);transform:translateY(-1px)}.login-btn:disabled{box-shadow:none;cursor:not-allowed;opacity:.7;transform:none}.loading-spinner{flex-shrink:0;height:18px;width:18px}.register-link{color:#475569;color:var(--color-text-secondary);font-size:12px;font-size:var(--font-size-sm)}.register-btn{color:#2563eb;color:var(--color-primary);font-weight:500;font-weight:var(--font-weight-medium);margin-left:4px;margin-left:var(--space-4);text-decoration:underline;transition:color .15s;transition:color var(--duration-fast)}.register-btn:hover{color:#1d4ed8;color:var(--color-primary-hover)}@media (max-width:768px){.login-container{flex-direction:column}.login-left{min-height:40vh}.login-left,.login-right{padding:24px;padding:var(--space-24)}.brain-illustration{max-width:250px}}.lesson-item.clickable:hover{background-color:#5e52401f;background-color:var(--color-secondary);border-radius:8px;border-radius:var(--radius-base);transition:background-color .15s cubic-bezier(.16,1,.3,1);transition:background-color var(--duration-fast) var(--ease-standard)}.subject-card{padding:20px;padding:var(--space-20)}.subject-card:hover{border-color:#2563eb;border-color:var(--color-primary)}.subject-header{align-items:flex-start}.subject-icon{line-height:1}.subject-info h3{margin:0 0 4px;margin:0 0 var(--space-4) 0}.resource-card:hover{transform:translateY(-1px)}.resource-type{background:#2563eb;background:var(--color-primary);border-radius:6px;border-radius:var(--radius-sm);color:#fcfcf9;color:var(--color-btn-primary-text);display:inline-block;font-size:11px;font-size:var(--font-size-xs);margin-bottom:12px;margin-bottom:var(--space-12);padding:4px 8px;padding:var(--space-4) var(--space-8)}.resource-title{margin:0 0 8px;margin:0 0 var(--space-8) 0}.resource-meta{margin-bottom:8px;margin-bottom:var(--space-8)}.resource-description{margin:0}.badge-icon{font-size:2.5rem}.badge-name{margin:0 0 8px;margin:0 0 var(--space-8) 0}.badge-description{margin-bottom:12px;margin-bottom:var(--space-12)}.badge-points{background:#2563eb;background:var(--color-primary);border-radius:6px;border-radius:var(--radius-sm);color:#fcfcf9;color:var(--color-btn-primary-text);display:inline-block;font-size:11px;font-size:var(--font-size-xs);padding:4px 8px;padding:var(--space-4) var(--space-8)}.badges-grid{margin-bottom:24px;margin-bottom:var(--space-24)}.resources-grid{grid-template-columns:repeat(auto-fill,minmax(300px,1fr))}.students-grid{grid-template-columns:repeat(auto-fill,minmax(250px,1fr))}.student-header{margin-bottom:12px;margin-bottom:var(--space-12)}.student-name{font-weight:500;font-weight:var(--font-weight-medium)}.student-level{color:#475569;color:var(--color-text-secondary);font-size:11px;font-size:var(--font-size-xs)}.student-stats{display:flex;gap:16px;gap:var(--space-16);margin-bottom:12px;margin-bottom:var(--space-12)}.student-stat-value{color:#0f172a;color:var(--color-text)}.student-stat-label{font-size:11px;font-size:var(--font-size-xs)}.lesson-item{margin-bottom:12px;margin-bottom:var(--space-12);padding:16px;padding:var(--space-16)}.lesson-status{font-size:11px;font-size:var(--font-size-xs);font-weight:500;font-weight:var(--font-weight-medium);padding:2px 6px;padding:var(--space-2) var(--space-6);text-transform:capitalize}.lesson-status.completed{background:#22c55e14;background:var(--color-bg-3)}.lesson-status.in-progress{background:#f59e0b14;background:var(--color-bg-2)}.recommendation-item{background:#3b82f614;background:var(--color-bg-1)}.activity-item{align-items:flex-start}.activity-icon{font-size:1.25rem;line-height:1}.activity-content small{font-size:11px;font-size:var(--font-size-xs)}.module-item{background:#f8fafc;background:var(--color-surface);border:1px solid #5e52401f;border:1px solid var(--color-card-border);border-radius:8px;border-radius:var(--radius-base);margin-bottom:12px;margin-bottom:var(--space-12);padding:16px;padding:var(--space-16)}.module-item h4{color:#0f172a;color:var(--color-text)}.module-item h4,.module-item p{margin:0 0 8px;margin:0 0 var(--space-8) 0}.module-item p,.module-meta{color:#475569;color:var(--color-text-secondary)}.module-meta{font-size:12px;font-size:var(--font-size-sm)}.module-meta span+span:before{content:" ";margin:0 4px;margin:0 var(--space-4)}.quiz-option{border:2px solid #e2e8f0;border:2px solid var(--color-border);margin-bottom:8px;margin-bottom:var(--space-8);padding:12px 16px;padding:var(--space-12) var(--space-16)}.quiz-option.selected{color:#2563eb;color:var(--color-primary)}.quiz-actions{gap:12px;gap:var(--space-12);justify-content:flex-end;margin-top:20px;margin-top:var(--space-20)}.assessment-result{background:#22c55e14;background:var(--color-bg-3);border-radius:8px;border-radius:var(--radius-base);margin-bottom:20px;margin-bottom:var(--space-20);padding:20px;padding:var(--space-20);text-align:center}.assessment-result h4{color:#059669;color:var(--color-success);margin-bottom:8px;margin-bottom:var(--space-8)}.checkbox-group{display:flex;flex-direction:column}.checkbox-item input[type=checkbox]{accent-color:#2563eb;accent-color:var(--color-primary);cursor:pointer}.checkbox-item label{font-size:12px;font-size:var(--font-size-sm)}.page{display:none;min-height:100vh}.page.active{display:block}.admin-dashboard{background:#fff;background:var(--color-background);min-height:100vh}.admin-header{align-items:center;background:#f8fafc;background:var(--color-surface);border-bottom:1px solid #5e52401f;border-bottom:1px solid var(--color-card-border);display:flex;justify-content:space-between;padding:20px 24px;padding:var(--space-20) var(--space-24);position:-webkit-sticky;position:sticky;top:0;z-index:100}.admin-nav{display:flex;gap:16px;gap:var(--space-16)}.nav-button{background:none;border:none;border-radius:8px;border-radius:var(--radius-base);color:#475569;color:var(--color-text-secondary);cursor:pointer;font-size:12px;font-size:var(--font-size-sm);font-weight:500;font-weight:var(--font-weight-medium);padding:8px 16px;padding:var(--space-8) var(--space-16);transition:all .15s;transition:all var(--duration-fast)}.nav-button:hover{background:#5e52401f;background:var(--color-secondary);color:#0f172a;color:var(--color-text)}.nav-button.active{background:#2563eb;background:var(--color-primary);color:#fcfcf9;color:var(--color-btn-primary-text)}.admin-content{margin:0 auto;max-width:1280px;max-width:var(--container-xl);padding:24px;padding:var(--space-24)}.admin-section{display:none}.admin-section.active{display:block}.section-header{align-items:center;display:flex;justify-content:space-between;margin-bottom:24px;margin-bottom:var(--space-24)}.section-title{color:var(--color-text);font-size:24px;font-size:var(--font-size-3xl);font-weight:550;font-weight:var(--font-weight-semibold);margin:0}.users-grid{grid-gap:20px;grid-gap:var(--space-20);display:grid;gap:20px;gap:var(--space-20);grid-template-columns:repeat(auto-fill,minmax(320px,1fr))}.user-card{background:#f8fafc;background:var(--color-surface);border:1px solid #5e52401f;border:1px solid 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h3{align-items:center;color:var(--theme-text-primary);display:flex;font-size:1.2rem;font-weight:600;gap:.5rem;margin:0}.stats-grid{grid-gap:1rem;display:grid;gap:1rem;grid-template-columns:repeat(3,1fr)}.stat-item{background:linear-gradient(135deg,#f8f9ff,#e8f2ff);border:1px solid #4a90e21a;border-radius:12px;padding:1rem .5rem;text-align:center}.stat-value{color:#4a90e2;margin-bottom:.25rem}.stat-label{color:#64748b;font-size:.85rem}.learning-content{justify-content:space-between}.learning-content,.subject-info{align-items:center;display:flex;gap:1rem}.subject-info{flex:1 1}.subject-icon{align-items:center;background:linear-gradient(135deg,#f0f8ff,#e8f2ff);border:2px solid #4a90e233;border-radius:12px;display:flex;font-size:2.5rem;height:60px;justify-content:center;width:60px}.subject-details h4{color:#2c3e50;font-size:1.1rem;font-weight:600;margin:0 0 .25rem}.subject-details p{color:#64748b;font-size:.9rem;margin:0 0 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(max-width:768px){.home-header{flex-direction:column;gap:1.5rem;text-align:center}.dashboard-grid-enhanced,.stats-grid{grid-template-columns:1fr}.stats-grid{gap:.75rem}.learning-content,.overall-progress{flex-direction:column;text-align:center}.overall-progress{gap:1rem}.actions-grid{grid-template-columns:1fr}}.profile-container{margin:0 auto;max-width:1200px;padding:2rem}.profile-header-section{margin-bottom:2rem}.profile-header-section h1{color:#fff;font-size:2.5rem;font-weight:700;margin:0 0 .5rem}.profile-subtitle{color:#94a3b8;font-size:1.1rem;margin:0}.profile-header{background:linear-gradient(135deg,#667eea,#764ba2);border-radius:20px;color:#fff;margin-bottom:2rem;overflow:hidden;padding:2rem;position:relative}[data-theme=light] .profile-header{background:linear-gradient(135deg,#3b82f6,#8b5cf6);color:#fff}.profile-header-card{background:linear-gradient(135deg,#4c6ef5,#7c3aed);border-radius:16px;box-shadow:0 8px 32px 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#4c6ef533}.card-header-profile{align-items:flex-start;display:flex;justify-content:space-between;margin-bottom:2rem}.card-header-profile h3{align-items:center;color:#fff;display:flex;font-size:1.3rem;font-weight:600;gap:.5rem;margin:0 0 .5rem}.card-header-profile p{color:#94a3b8;font-size:.9rem;margin:0}.expand-icon{color:#64748b;cursor:pointer;font-size:1.2rem;transition:color .3s ease}.expand-icon:hover{color:#4c6ef5}.profile-form{gap:1.5rem}.form-group,.profile-form{display:flex;flex-direction:column}.form-group{gap:.5rem}.form-group label{color:var(--theme-text-primary);font-size:.9rem;font-weight:500}.profile-input,.profile-select{background:var(--theme-bg-primary);border:1px solid var(--theme-border);border-radius:8px;color:var(--theme-text-primary);font-size:.9rem;padding:.75rem 1rem;transition:all .3s ease}.profile-input:focus,.profile-select:focus{border-color:#4c6ef5;box-shadow:0 0 0 3px 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1.5rem;position:relative;transition:all .3s ease}.tier-filter:hover{transform:translateY(-2px)}.tier-filter.active{background:gold;background:var(--tier-color,gold);box-shadow:0 5px 15px #ffd7004d;color:#000;font-weight:600}.achievements-grid{grid-gap:2rem;display:grid;gap:2rem;grid-template-columns:repeat(auto-fit,minmax(350px,1fr));margin-top:2rem}.achievement-card{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#ffffff0d;border:1px solid #ffffff1a;border-radius:20px;cursor:pointer;overflow:hidden;padding:2rem;position:relative;transition:all .4s ease}.achievement-card:before{background:linear-gradient(90deg,gold,#ffed4e);background:linear-gradient(90deg,var(--tier-color,gold),var(--tier-glow,#ffed4e));border-radius:20px 20px 0 0;content:"";height:4px;left:0;position:absolute;right:0;top:0}.achievement-card:hover{box-shadow:0 20px 40px #0000004d,0 0 30px #ffd70033;box-shadow:0 20px 40px #0000004d,0 0 30px var(--tier-glow,#ffd70033);transform:translateY(-10px) 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ease-out;background:#27ae60;border-radius:50%;color:#fff;display:flex;font-size:.8rem;height:30px;justify-content:center;position:absolute;right:-10px;top:-10px;width:30px}@keyframes checkmarkBounce{0%{transform:scale(0)}50%{transform:scale(1.2)}to{transform:scale(1)}}.achievement-content{text-align:center}.achievement-name{color:#fff;font-size:1.3rem;font-weight:600;margin-bottom:.5rem}.achievement-description{color:#bbb;line-height:1.5;margin-bottom:1rem}.achievement-requirement{background:#ffd7001a;border-radius:15px;color:gold;color:var(--tier-color,gold);font-size:.8rem;font-weight:500;margin-bottom:1rem;padding:.5rem 1rem}.achievement-progress{margin-bottom:1.5rem}.progress-fill{background:linear-gradient(90deg,gold,#ffed4e);background:linear-gradient(90deg,var(--tier-color,gold),var(--tier-glow,#ffed4e));position:relative}.progress-fill:after{animation:progressShimmer 2s 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