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ease}.priority-option:hover{transform:translateY(-2px)}.priority-option.high{background:#f565650d;color:#f56565}.priority-option.high.selected,.priority-option.high:hover{background:#f56565;border-color:#f56565;color:#fff}.priority-option.medium{background:#ed89360d;color:#ed8936}.priority-option.medium.selected,.priority-option.medium:hover{background:#ed8936;border-color:#ed8936;color:#fff}.priority-option.low{background:#4299e10d;color:#4299e1}.priority-option.low.selected,.priority-option.low:hover{background:#4299e1;border-color:#4299e1;color:#fff}.milestones-input-section{margin-top:20px}.milestone-input-group{display:flex;gap:10px;margin-bottom:10px}.milestone-input{border:2px solid #e2e8f0;border-radius:8px;flex:1 1;font-size:.875rem;padding:10px 14px}.add-milestone-btn{background:linear-gradient(135deg,#667eea,#764ba2);border:none;border-radius:8px;color:#fff;cursor:pointer;font-weight:600;padding:10px 20px;transition:all .3s ease}.add-milestone-btn:hover{box-shadow:0 10px 15px -3px #667eea4d;transform:translateY(-2px)}.milestone-preview{align-items:center;background:#f7fafc;border-radius:8px;display:flex;justify-content:space-between;margin-bottom:8px;padding:10px 14px}.milestone-preview-text{color:#4a5568;font-size:.875rem}.remove-milestone-btn{align-items:center;background:#f56565;border:none;border-radius:50%;color:#fff;cursor:pointer;display:flex;height:24px;justify-content:center;transition:all .3s ease;width:24px}.remove-milestone-btn:hover{transform:rotate(90deg)}.goal-form-footer{background:#f7fafc;border-radius:0 0 16px 16px;border-top:2px solid #e2e8f0;display:flex;gap:15px;justify-content:flex-end;padding:20px 30px}.form-btn{border:none;border-radius:8px;cursor:pointer;font-weight:600;padding:12px 24px;transition:all .3s ease}.form-btn.cancel{background:#fff;border:2px solid #e2e8f0;color:#718096}.form-btn.cancel:hover{background:#f7fafc;border-color:#cbd5e0}.form-btn.submit{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff}.form-btn.submit:hover{box-shadow:0 10px 15px -3px #667eea4d;transform:translateY(-2px)}.goal-categories{background:#fff;border-radius:12px;box-shadow:0 4px 6px -1px #0000001a;display:flex;gap:10px;margin-bottom:30px;overflow-x:auto;padding:15px}.category-tab{background:#f7fafc;border:none;border-radius:8px;color:#4a5568;cursor:pointer;font-weight:600;padding:10px 20px;transition:all .3s ease;white-space:nowrap}.category-tab:hover{background:#edf2f7;color:#667eea}.category-tab.active{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff}.category-count{background:#fff3;border-radius:10px;display:inline-block;font-size:.75rem;margin-left:5px;padding:2px 6px}.achievement-celebration{animation:celebrateAnimation .6s ease;background:#fff;border-radius:20px;box-shadow:0 20px 25px -5px #0003;left:50%;padding:40px;position:fixed;text-align:center;top:50%;transform:translate(-50%,-50%);z-index:2000}@keyframes celebrateAnimation{0%{opacity:0;transform:translate(-50%,-50%) scale(0) rotate(-180deg)}50%{transform:translate(-50%,-50%) scale(1.1) rotate(10deg)}to{opacity:1;transform:translate(-50%,-50%) scale(1) rotate(0deg)}}.celebration-icon{align-items:center;animation:bounce 1s infinite;background:linear-gradient(135deg,#48bb78,#38a169);border-radius:50%;color:#fff;display:flex;font-size:3rem;height:80px;justify-content:center;margin:0 auto 20px;width:80px}@keyframes bounce{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}.celebration-title{color:#2d3748;font-size:1.75rem;font-weight:700;margin-bottom:10px}.celebration-message{color:#718096;margin-bottom:20px}.celebration-btn{background:linear-gradient(135deg,#667eea,#764ba2);border:none;border-radius:8px;color:#fff;cursor:pointer;font-weight:600;padding:12px 30px;transition:all .3s ease}.celebration-btn:hover{box-shadow:0 10px 15px -3px #667eea4d;transform:translateY(-2px)}.goals-empty-state{background:#fff;border-radius:16px;box-shadow:0 4px 6px -1px #0000001a;margin-top:30px;padding:80px 20px;text-align:center}.empty-state-illustration{align-items:center;background:linear-gradient(135deg,#667eea1a,#764ba21a);border-radius:50%;display:flex;font-size:4rem;height:150px;justify-content:center;margin:0 auto 30px;width:150px}.empty-state-title{font-size:1.75rem;font-weight:700}.empty-state-message{color:#718096;font-size:1.125rem;margin-bottom:30px;margin-left:auto;margin-right:auto;max-width:500px}.create-first-goal-btn{background:linear-gradient(135deg,#667eea,#764ba2);border:none;border-radius:8px;color:#fff;cursor:pointer;display:inline-block;font-size:1.125rem;font-weight:600;padding:14px 32px;transition:all .3s ease}.create-first-goal-btn:hover{box-shadow:0 10px 15px -3px #667eea4d;transform:translateY(-2px)}@media (max-width:768px){.learning-goals-container{padding:15px}.goals-header{border-radius:12px;padding:25px 20px}.goals-title{font-size:1.75rem}.goals-stats-row{flex-wrap:wrap;gap:20px}.goals-grid{gap:20px;grid-template-columns:1fr}.add-goal-btn{bottom:20px;height:56px;right:20px;width:56px}.goal-form-container{border-radius:12px;width:95%}.goal-form-body{padding:20px}.priority-options{grid-template-columns:1fr}.goal-form-footer{flex-direction:column;gap:10px}.form-btn{width:100%}.goal-categories{padding:12px}.category-tab{font-size:.875rem;padding:8px 16px}}@media (max-width:480px){.goals-title{flex-direction:column;text-align:center}.goal-stat-value,.goals-title{font-size:1.5rem}.goal-card-title{font-size:1.125rem}.milestone-input-group{flex-direction:column}.add-milestone-btn{width:100%}.achievement-celebration{padding:30px 20px;width:90%}}:root{--shadow-md:0 4px 6px -1px #0000001a;--shadow-lg:0 10px 15px -3px #0000001a;--shadow-xl:0 20px 25px -5px #0000001a}.achievements-container{animation:fadeInRotate .6s ease;margin:0 auto;max-width:1200px;padding:20px;padding:var(--spacing-unit)}@keyframes fadeInRotate{0%{opacity:0;transform:rotateY(90deg)}to{opacity:1;transform:rotateY(0deg)}}.achievements-header{background:linear-gradient(135deg,#667eea,#764ba2);background:var(--primary-gradient);border-radius:20px;box-shadow:0 15px 25px -5px #667eea4d;color:#fff;margin-bottom:35px;overflow:hidden;padding:40px;position:relative}.achievements-header:before{animation:float 8s ease-in-out infinite;content:"🏆";font-size:150px;opacity:.1;position:absolute;right:-30px;top:-30px}.achievements-title{font-size:2.5rem;font-weight:800;margin:0 0 15px;position:relative;z-index:1}.achievements-subtitle{font-size:1.25rem;margin-bottom:25px;opacity:.95;position:relative;z-index:1}.achievements-progress{background:#fff3;border-radius:12px;padding:20px;position:relative;z-index:1}.progress-stats{grid-gap:20px;display:grid;gap:20px;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));margin-bottom:20px}.progress-stat{text-align:center}.progress-stat-value{font-size:2rem;font-weight:800;margin-bottom:5px}.progress-stat-label{font-size:.875rem;letter-spacing:1px;opacity:.9;text-transform:uppercase}.overall-progress-bar{background:#ffffff4d;border-radius:6px;height:12px;overflow:hidden;width:100%}.overall-progress-fill{background:linear-gradient(90deg,#48bb78,#38a169);border-radius:6px;height:100%;transition:width 1s cubic-bezier(.4,0,.2,1)}.achievement-filters{align-items:center;background:#fff;border-radius:12px;box-shadow:0 4px 6px -1px #0000001a;box-shadow:var(--shadow-md);display:flex;flex-wrap:wrap;gap:15px;margin-bottom:30px;padding:20px}.filter-pills{display:flex;flex-wrap:wrap;gap:10px}.filter-pill{background:#f7fafc;background:var(--bg-secondary);border:2px solid #0000;border-radius:25px;color:#718096;color:var(--text-secondary);cursor:pointer;font-weight:600;padding:10px 20px;transition:all .3s ease}.filter-pill:hover{background:#edf2f7;background:var(--bg-tertiary);transform:translateY(-2px)}.filter-pill.active{background:linear-gradient(135deg,#667eea,#764ba2);background:var(--primary-gradient);box-shadow:0 4px 6px -1px #0000001a;box-shadow:var(--shadow-md);color:#fff}.search-achievements{background:#fff;border:2px solid #e2e8f0;border:2px solid var(--border-color);border-radius:25px;font-size:1rem;margin-left:auto;min-width:250px;padding:10px 20px;transition:all .3s ease}.search-achievements:focus{border-color:#667eea;border-color:var(--primary-color);box-shadow:0 0 0 3px #667eea1a;outline:none}.achievements-grid{grid-gap:25px;display:grid;gap:25px;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));margin-bottom:40px}.achievement-badge{animation:badgeAppear .5s ease;background:#fff;border-radius:16px;box-shadow:0 4px 6px -1px #0000001a;box-shadow:var(--shadow-md);cursor:pointer;padding:20px;position:relative;text-align:center;transition:all .3s ease}@keyframes badgeAppear{0%{opacity:0;transform:scale(.8) rotateY(180deg)}to{opacity:1;transform:scale(1) rotateY(0)}}.achievement-badge:hover{box-shadow:0 20px 25px -5px #0000001a;box-shadow:var(--shadow-xl);transform:translateY(-10px) scale(1.05)}.achievement-badge.locked{background:#f7fafc;background:var(--bg-secondary);opacity:.7}.achievement-badge.legendary{background:linear-gradient(135deg,gold,#ffed4e);box-shadow:0 10px 20px -5px #ffd70066}.achievement-badge.epic{background:linear-gradient(135deg,#a855f7,#9333ea);color:#fff}.achievement-badge.rare{background:linear-gradient(135deg,#3b82f6,#2563eb);color:#fff}.badge-icon-container{height:100px;margin:0 auto 15px;position:relative;width:100px}.badge-icon,.badge-icon-container{align-items:center;display:flex;justify-content:center}.badge-icon{background:linear-gradient(135deg,#667eea,#764ba2);background:var(--primary-gradient);border-radius:50%;font-size:2.5rem;height:80px;transition:all .3s ease;width:80px}.achievement-badge:hover .badge-icon{transform:rotate(1turn)}.achievement-badge.locked .badge-icon{background:#cbd5e0}.badge-lock-overlay{align-items:center;background:#00000080;border-radius:50%;bottom:0;color:#fff;display:flex;font-size:2rem;justify-content:center;left:0;position:absolute;right:0;top:0}.badge-name{color:#2d3748;color:var(--text-primary);font-size:.95rem;font-weight:700;margin-bottom:5px}.badge-description{color:#718096;color:var(--text-secondary);font-size:.75rem;line-height:1.4;margin-bottom:10px}.badge-progress{border-top:1px solid #e2e8f0;border-top:1px solid var(--border-color);margin-top:10px;padding-top:10px}.badge-progress-bar{background:#edf2f7;background:var(--bg-tertiary);border-radius:3px;height:6px;overflow:hidden;width:100%}.badge-progress-fill{background:linear-gradient(135deg,#48bb78,#38a169);border-radius:3px;height:100%;transition:width .6s ease}.achievement-modal{align-items:center;animation:fadeIn .3s ease;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#000000b3;bottom:0;display:flex;justify-content:center;left:0;position:fixed;right:0;top:0;z-index:1000}.achievement-modal-content{animation:modalBounce .5s ease;background:#fff;border-radius:20px;box-shadow:0 25px 50px -12px #00000040;max-width:500px;overflow:hidden;width:90%}@keyframes modalBounce{0%{opacity:0;transform:scale(.3) rotate(180deg)}50%{transform:scale(1.05) rotate(-10deg)}70%{transform:scale(.95) rotate(5deg)}to{opacity:1;transform:scale(1) rotate(0deg)}}.modal-header{background:linear-gradient(135deg,#667eea,#764ba2);background:var(--primary-gradient);color:#fff;padding:30px;position:relative;text-align:center}.modal-close{background:#fff3;color:#fff;font-size:1.5rem;height:36px;position:absolute;right:15px;top:15px;transition:all .3s ease;width:36px}.modal-close:hover{background:#ffffff4d}.modal-badge-icon{align-items:center;background:#fff;border-radius:50%;display:flex;font-size:4rem;height:120px;justify-content:center;margin:0 auto 20px;width:120px}.modal-badge-name{font-size:1.75rem;font-weight:800;margin-bottom:10px}.modal-body{padding:30px}.modal-description{color:#718096;color:var(--text-secondary);line-height:1.6;margin-bottom:25px;text-align:center}.achievement-requirements{background:#f7fafc;background:var(--bg-secondary);border-radius:12px;margin-bottom:25px;padding:20px}.requirements-title{color:#2d3748;color:var(--text-primary);font-weight:700;margin-bottom:15px}.requirement-item{align-items:center;border-bottom:1px solid #e2e8f0;border-bottom:1px solid var(--border-color);display:flex;gap:10px;padding:10px 0}.requirement-item:last-child{border-bottom:none}.requirement-check{align-items:center;border-radius:50%;color:#fff;display:flex;font-weight:700;height:24px;justify-content:center;width:24px}.requirement-check.completed{background:#48bb78;background:var(--success-color)}.requirement-check.incomplete{background:#cbd5e0}.requirement-text{color:#718096;color:var(--text-secondary);flex:1 1;font-size:.875rem}.achievement-categories{grid-gap:20px;display:grid;gap:20px;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));margin-bottom:40px}.category-card{background:#fff;border-radius:12px;box-shadow:0 4px 6px -1px #0000001a;box-shadow:var(--shadow-md);cursor:pointer;overflow:hidden;padding:20px;position:relative;transition:all .3s ease}.category-card:before{background:linear-gradient(135deg,#667eea,#764ba2);background:var(--primary-gradient);content:"";height:4px;left:0;position:absolute;right:0;top:0;transform:scaleX(0);transition:transform .3s ease}.category-card:hover:before{transform:scaleX(1)}.category-card:hover{box-shadow:0 20px 25px -5px #0000001a;box-shadow:var(--shadow-xl);transform:translateY(-5px)}.category-icon{align-items:center;background:linear-gradient(135deg,#667eea1a,#764ba21a);border-radius:12px;display:flex;font-size:1.5rem;height:50px;justify-content:center;margin-bottom:15px;width:50px}.category-name{color:#2d3748;color:var(--text-primary);font-size:1.125rem;font-weight:700;margin-bottom:5px}.category-count{color:#718096;color:var(--text-secondary);font-size:.875rem}.category-progress-bar{background:#edf2f7;background:var(--bg-tertiary);border-radius:4px;height:8px;margin-top:15px;overflow:hidden;width:100%}.category-progress-fill{background:linear-gradient(135deg,#667eea,#764ba2);background:var(--primary-gradient);border-radius:4px;height:100%;transition:width .6s ease}.achievement-leaderboard{background:#fff;border-radius:16px;box-shadow:0 4px 6px -1px #0000001a;box-shadow:var(--shadow-md);margin-bottom:40px;padding:30px}.leaderboard-header{align-items:center;display:flex;justify-content:space-between;margin-bottom:25px}.leaderboard-title{color:#2d3748;color:var(--text-primary);font-size:1.5rem;font-weight:700}.leaderboard-tabs{display:flex;gap:10px}.leaderboard-tab{background:#f7fafc;background:var(--bg-secondary);border:none;border-radius:8px;color:#718096;color:var(--text-secondary);cursor:pointer;font-weight:600;padding:8px 16px;transition:all .3s ease}.leaderboard-tab:hover{background:#edf2f7;background:var(--bg-tertiary)}.leaderboard-tab.active{background:linear-gradient(135deg,#667eea,#764ba2);background:var(--primary-gradient);color:#fff}.leaderboard-list{display:flex;flex-direction:column;gap:15px}.leaderboard-item{align-items:center;background:#f7fafc;background:var(--bg-secondary);border-radius:12px;display:flex;gap:15px;padding:15px;transition:all .3s ease}.leaderboard-item:hover{background:#edf2f7;background:var(--bg-tertiary);transform:translateX(5px)}.leaderboard-rank{align-items:center;border-radius:50%;display:flex;font-size:1.125rem;font-weight:800;height:40px;justify-content:center;width:40px}.leaderboard-rank.gold{background:linear-gradient(135deg,gold,#ffed4e);color:#92400e}.leaderboard-rank.silver{background:linear-gradient(135deg,silver,#e5e5e5);color:#718096;color:var(--text-secondary)}.leaderboard-rank.bronze{background:linear-gradient(135deg,#cd7f32,#e5a352);color:#fff}.leaderboard-user{align-items:center;display:flex;flex:1 1;gap:12px}.leaderboard-avatar{align-items:center;background:linear-gradient(135deg,#667eea,#764ba2);background:var(--primary-gradient);border-radius:50%;color:#fff;display:flex;font-weight:700;height:40px;justify-content:center;width:40px}.leaderboard-name{color:#2d3748;color:var(--text-primary);font-weight:600}.leaderboard-score{color:#667eea;color:var(--primary-color);font-size:1.125rem;font-weight:700}.achievement-toast{align-items:center;animation:slideInRight .5s ease;background:#fff;border-radius:12px;box-shadow:0 20px 25px -5px #0000001a;box-shadow:var(--shadow-xl);display:flex;gap:15px;min-width:300px;padding:20px;position:fixed;right:20px;top:20px;z-index:2000}@keyframes slideInRight{0%{opacity:0;transform:translateX(400px)}to{opacity:1;transform:translateX(0)}}.toast-icon{align-items:center;background:linear-gradient(135deg,#667eea,#764ba2);background:var(--primary-gradient);border-radius:50%;display:flex;font-size:1.5rem;height:50px;justify-content:center;width:50px}.toast-content{flex:1 1}.toast-title{color:#2d3748;color:var(--text-primary);font-weight:700;margin-bottom:5px}.toast-message{color:#718096;color:var(--text-secondary);font-size:.875rem}@media (max-width:768px){.achievements-container{padding:15px}.achievements-header{border-radius:15px;padding:25px}.achievements-title{font-size:1.75rem}.progress-stats{gap:15px;grid-template-columns:repeat(2,1fr)}.achievement-filters{flex-direction:column;gap:15px}.search-achievements{margin-left:0;width:100%}.achievements-grid{gap:20px;grid-template-columns:repeat(auto-fill,minmax(150px,1fr))}.achievement-categories{grid-template-columns:1fr}.achievement-modal-content{border-radius:15px;width:95%}.modal-badge-icon{font-size:3rem;height:100px;width:100px}.leaderboard-header{align-items:flex-start;flex-direction:column;gap:15px}.achievement-toast{left:10px;min-width:auto;right:10px}}@media (max-width:480px){.achievements-title{font-size:1.5rem}.achievements-subtitle{font-size:1rem}.progress-stat-value{font-size:1.5rem}.achievements-grid{gap:15px;grid-template-columns:repeat(2,1fr)}.badge-icon{font-size:2rem;height:60px;width:60px}.badge-name{font-size:.875rem}.leaderboard-item{padding:12px}.leaderboard-avatar,.leaderboard-rank{height:35px;width:35px}}:root{--primary-gradient-start:#667eea;--primary-gradient-end:#764ba2;--primary-gradient:linear-gradient(135deg,var(--primary-gradient-start) 0%,var(--primary-gradient-end) 100%);--primary-color:#667eea;--primary-dark:#5a67d8;--secondary-color:#764ba2;--success-color:#48bb78;--warning-color:#ed8936;--danger-color:#f56565;--info-color:#4299e1;--text-primary:#2d3748;--text-secondary:#718096;--text-light:#a0aec0;--text-white:#fff;--bg-primary:#fff;--bg-secondary:#f7fafc;--bg-tertiary:#edf2f7;--border-color:#e2e8f0;--shadow-sm:0 1px 3px 0 #0000001a,0 1px 2px 0 #0000000f;--shadow-md:0 4px 6px -1px #0000001a,0 2px 4px -1px #0000000f;--shadow-lg:0 10px 15px -3px #0000001a,0 4px 6px -2px #0000000d;--shadow-xl:0 20px 25px -5px #0000001a,0 10px 10px -5px #0000000a;--transition-base:all 0.3s cubic-bezier(0.4,0,0.2,1);--spacing-unit:20px}.metrics-feed-container{animation:fadeIn .5s ease-in;background-color:#f7fafc;background-color:var(--bg-secondary);margin:0 auto;max-width:1200px;min-height:100vh;padding:20px;padding:var(--spacing-unit)}.metrics-header{background:linear-gradient(135deg,#667eea,#764ba2);background:var(--primary-gradient);border-radius:16px;box-shadow:0 10px 15px -3px #0000001a,0 4px 6px -2px #0000000d;box-shadow:var(--shadow-lg);color:#fff;color:var(--text-white);margin-bottom:30px;margin-bottom:calc(var(--spacing-unit)*1.5);overflow:hidden;padding:40px 20px;padding:calc(var(--spacing-unit)*2) var(--spacing-unit);position:relative}.metrics-header:before{animation:float 6s ease-in-out infinite;background:#ffffff1a;border-radius:50%;content:"";height:300px;position:absolute;right:-10%;top:-50%;width:300px}@keyframes float{0%,to{transform:translateY(0) rotate(0deg)}50%{transform:translateY(-20px) rotate(180deg)}}.metrics-header h1{font-size:2.5rem;font-weight:700;margin:0 0 10px;position:relative;z-index:1}.metrics-header p{font-size:1.1rem;margin:0;opacity:.95;position:relative;z-index:1}.metrics-tabs{background:#fff;background:var(--bg-primary);border-radius:12px;box-shadow:0 4px 6px -1px #0000001a,0 2px 4px -1px #0000000f;box-shadow:var(--shadow-md);display:flex;gap:10px;margin-bottom:30px;margin-bottom:calc(var(--spacing-unit)*1.5);overflow-x:auto;padding:8px;scrollbar-color:#667eea #edf2f7;scrollbar-color:var(--primary-color) var(--bg-tertiary);scrollbar-width:thin}.metrics-tabs::-webkit-scrollbar{height:6px}.metrics-tabs::-webkit-scrollbar-track{background:#edf2f7;background:var(--bg-tertiary);border-radius:3px}.metrics-tabs::-webkit-scrollbar-thumb{background:#667eea;background:var(--primary-color);border-radius:3px}.tab-button{background:#0000;border:none;border-radius:8px;color:#718096;color:var(--text-secondary);cursor:pointer;flex:1 1;font-size:1rem;font-weight:500;min-width:120px;padding:12px 20px;position:relative;transition:all .3s cubic-bezier(.4,0,.2,1);transition:var(--transition-base);white-space:nowrap}.tab-button:hover{background:#edf2f7;background:var(--bg-tertiary);color:#667eea;color:var(--primary-color)}.tab-button.active{background:linear-gradient(135deg,#667eea,#764ba2);background:var(--primary-gradient);box-shadow:0 4px 6px -1px #0000001a,0 2px 4px -1px #0000000f;box-shadow:var(--shadow-md);color:#fff;color:var(--text-white)}.tab-button.active:after{background:#667eea;background:var(--primary-color);border-radius:2px;bottom:-8px;content:"";height:3px;left:50%;position:absolute;transform:translateX(-50%);width:30px}.overview-stats{grid-gap:20px;grid-gap:var(--spacing-unit);display:grid;gap:20px;gap:var(--spacing-unit);grid-template-columns:repeat(auto-fit,minmax(250px,1fr));margin-bottom:30px;margin-bottom:calc(var(--spacing-unit)*1.5)}.stat-card{background:#fff;background:var(--bg-primary);border-radius:12px;box-shadow:0 4px 6px -1px #0000001a,0 2px 4px -1px #0000000f;box-shadow:var(--shadow-md);overflow:hidden;padding:24px;padding:calc(var(--spacing-unit)*1.2);position:relative;transition:all .3s cubic-bezier(.4,0,.2,1);transition:var(--transition-base)}.stat-card:before{background:linear-gradient(135deg,#667eea,#764ba2);background:var(--primary-gradient);content:"";height:100%;left:0;opacity:0;position:absolute;top:0;transition:opacity .3s ease;width:4px}.stat-card:hover{box-shadow:0 20px 25px -5px #0000001a,0 10px 10px -5px 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