.practice-mode-container{margin:0 auto;max-width:1200px;padding:2rem}.practice-header{margin-bottom:2rem;text-align:center}.practice-header h1{color:#1f2937;margin-bottom:.5rem}.practice-header p{color:#6b7280;font-size:1.1rem}.config-section{background:#fff;border-radius:12px;box-shadow:0 2px 8px #0000001a;margin-bottom:2rem;padding:2rem}.form-label{font-size:.95rem}.form-select{border:2px solid #e5e7eb;border-radius:8px;font-size:1rem;padding:.75rem;transition:border-color .2s;width:100%}.form-select:focus{border-color:#3b82f6;outline:none}.mode-selector{grid-gap:1rem;display:grid;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(150px,1fr))}.mode-button{align-items:center;background:#fff;border:2px solid #e5e7eb;border-radius:8px;cursor:pointer;display:flex;flex-direction:column;gap:.5rem;padding:1rem;transition:all .2s}.mode-button i{color:#6b7280;font-size:1.5rem}.mode-button span{color:#374151;font-weight:500}.mode-button:hover{background:#eff6ff;border-color:#3b82f6}.mode-button.active{background:#3b82f6;border-color:#3b82f6}.mode-button.active i,.mode-button.active span{color:#fff}.difficulty-selector{grid-gap:.75rem;display:grid;gap:.75rem;grid-template-columns:repeat(4,1fr)}.difficulty-button{background:#fff;border:2px solid #e5e7eb;border-radius:8px;cursor:pointer;font-weight:500;padding:.75rem;transition:all .2s}.difficulty-button.easy{color:#059669}.difficulty-button.easy:hover{background:#d1fae5;border-color:#10b981}.difficulty-button.easy.active{background:#10b981;border-color:#10b981;color:#fff}.difficulty-button.medium{color:#d97706}.difficulty-button.medium:hover{background:#fef3c7;border-color:#f59e0b}.difficulty-button.medium.active{background:#f59e0b;border-color:#f59e0b;color:#fff}.difficulty-button.hard{color:#dc2626}.difficulty-button.hard:hover{background:#fee2e2;border-color:#ef4444}.difficulty-button.hard.active{background:#ef4444;border-color:#ef4444;color:#fff}.difficulty-button.mixed{color:#6b7280}.difficulty-button.mixed:hover{background:#f3f4f6;border-color:#9ca3af}.difficulty-button.mixed.active{background:#6b7280;border-color:#6b7280;color:#fff}.range-input{-webkit-appearance:none;background:#e5e7eb;border-radius:3px;height:6px;outline:none;width:100%}.range-input::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;background:#3b82f6;border-radius:50%;cursor:pointer;height:20px;width:20px}.range-input::-moz-range-thumb{background:#3b82f6;border:none;border-radius:50%;cursor:pointer;height:20px;width:20px}.range-labels{color:#6b7280;display:flex;font-size:.875rem;justify-content:space-between;margin-top:.5rem}.checkbox-label{align-items:center;cursor:pointer;display:flex;gap:.5rem}.checkbox-label input[type=checkbox]{cursor:pointer;height:18px;width:18px}.checkbox-label span{color:#374151;font-weight:500}.btn-primary.btn-large{font-size:1.1rem;justify-content:center;padding:1rem;width:100%}.btn-secondary.btn-small{font-size:.875rem;padding:.5rem .75rem}.history-section{background:#fff;border-radius:12px;box-shadow:0 2px 8px #0000001a;padding:2rem}.history-header{align-items:center;display:flex;justify-content:space-between;margin-bottom:1.5rem}.empty-state{padding:3rem 1rem;text-align:center}.sessions-list{display:flex;flex-direction:column;gap:1rem}.sessions-list:not(.expanded){max-height:500px;overflow:hidden}.session-card{align-items:center;border:2px solid #e5e7eb;border-radius:8px;display:flex;gap:1.5rem;padding:1.25rem;transition:all .2s}.session-card:hover{border-color:#3b82f6;box-shadow:0 2px 8px #3b82f61a}.session-title{font-size:1.05rem;font-weight:600;margin-bottom:.5rem}.session-meta{display:flex;flex-wrap:wrap;gap:1rem}.meta-item i{font-size:.8rem}.session-stats{align-items:center;display:flex;gap:1rem}.session-score{text-align:center}.score-value{font-size:1.5rem;line-height:1.2}.score-label{font-size:.75rem;margin-top:.25rem}.session-actions{display:flex;gap:.5rem}.spinner{height:40px;width:40px}@media (max-width:768px){.practice-mode-container{padding:1rem}.mode-selector,.stats-grid{grid-template-columns:1fr}.difficulty-selector{grid-template-columns:repeat(2,1fr)}.session-card{align-items:stretch;flex-direction:column}.session-actions,.session-stats{justify-content:center}}.practice-session-container{margin:0 auto;max-width:900px;min-height:100vh;padding:2rem 1rem}.session-header{align-items:center;display:flex;justify-content:space-between;margin-bottom:1.5rem}.session-info{flex:1 1}.session-title{color:#1f2937;font-size:1.5rem;font-weight:700;margin-bottom:.25rem}.question-counter{color:#6b7280;font-size:.95rem}.btn-exit{align-items:center;background:#fff;border:2px solid #e5e7eb;border-radius:8px;color:#6b7280;cursor:pointer;display:flex;font-weight:500;gap:.5rem;padding:.5rem 1rem;transition:all .2s}.btn-exit:hover{background:#fef2f2;border-color:#dc2626;color:#dc2626}.progress-container{margin-bottom:2rem}.progress-bar{border-radius:6px;height:12px;position:relative;width:100%}.progress-fill{background:linear-gradient(90deg,#3b82f6,#2563eb);border-radius:6px}.progress-label{color:#6b7280;font-size:.875rem;font-weight:500;margin-top:.5rem;text-align:center}.question-card{border-radius:16px;box-shadow:0 4px 16px #0000001a;margin-bottom:2rem;padding:2rem}.question-header{align-items:center;display:flex;flex-wrap:wrap;gap:1rem;margin-bottom:1.5rem}.question-number{align-items:center;color:#3b82f6;display:inline-flex;font-size:.95rem;font-weight:600;gap:.5rem}.difficulty-badge{border:2px solid;border-radius:6px;font-size:.875rem;font-weight:600;padding:.375rem .75rem}.question-points{align-items:center;color:#f59e0b;display:inline-flex;font-size:.875rem;font-weight:600;gap:.35rem;margin-left:auto}.question-text{font-size:1.25rem;line-height:1.6;margin-bottom:2rem}.options-container{display:flex;flex-direction:column;gap:1rem;margin-bottom:2rem}.option-button{align-items:center;background:#fff;border:2px solid #e5e7eb;border-radius:12px;cursor:pointer;display:flex;gap:1rem;padding:1.25rem;text-align:left;transition:all .2s}.option-button:hover:not(:disabled){background:#eff6ff;border-color:#3b82f6;transform:translateX(4px)}.option-button:disabled{cursor:not-allowed}.option-button.selected{background:#eff6ff;border-color:#3b82f6;border-width:3px;padding:calc(1.25rem - 1px)}.option-button.correct{background:#d1fae5;border-color:#10b981;border-width:3px;padding:calc(1.25rem - 1px)}.option-button.wrong{background:#fee2e2;border-color:#ef4444;border-width:3px;padding:calc(1.25rem - 1px)}.option-letter{background:#f3f4f6;color:#6b7280;font-size:1.1rem;font-weight:700;height:36px;width:36px}.option-button.selected .option-letter{background:#3b82f6;color:#fff}.option-button.correct .option-letter{background:#10b981;color:#fff}.option-button.wrong .option-letter{background:#ef4444;color:#fff}.option-text{font-size:1.05rem;line-height:1.5}.option-icon{flex-shrink:0;font-size:1.5rem}.option-icon.correct{color:#10b981}.option-icon.wrong{color:#ef4444}.feedback-box{animation:slideIn .3s ease;border-radius:12px;margin-bottom:1.5rem;padding:1.5rem}.feedback-box.correct{background:#d1fae5;border:2px solid #10b981}.feedback-box.incorrect{background:#fee2e2;border:2px solid #ef4444}@keyframes slideIn{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.feedback-header{align-items:center;display:flex;gap:.75rem;margin-bottom:1rem}.feedback-icon{font-size:1.75rem}.feedback-box.correct .feedback-icon{color:#10b981}.feedback-box.incorrect .feedback-icon{color:#ef4444}.feedback-title{color:#1f2937;font-size:1.25rem;font-weight:700}.feedback-points{border-radius:6px;font-size:.95rem;font-weight:700;margin-left:auto;padding:.375rem .75rem}.feedback-box.correct .feedback-points{background:#10b981;color:#fff}.feedback-correct-answer{font-size:.95rem;margin-bottom:1rem;padding:.75rem}.feedback-correct-answer,.feedback-explanation{background:#fff9;border-radius:8px;color:#374151}.feedback-explanation{padding:1rem}.explanation-header{align-items:center;color:#6b7280;display:flex;gap:.5rem;margin-bottom:.5rem}.explanation-header i{color:#f59e0b}.feedback-explanation p{font-size:.95rem;line-height:1.6;margin:0}.action-buttons{display:flex;gap:1rem}.btn-next,.btn-submit{align-items:center;border:none;border-radius:10px;cursor:pointer;display:flex;flex:1 1;font-size:1.05rem;font-weight:600;gap:.5rem;justify-content:center;padding:1rem 1.5rem;transition:all .2s}.btn-submit{background:#3b82f6;color:#fff}.btn-submit:hover:not(:disabled){background:#2563eb;box-shadow:0 6px 20px #3b82f666;transform:translateY(-2px)}.btn-submit:disabled{background:#9ca3af;cursor:not-allowed}.btn-next{background:#10b981;color:#fff}.btn-next:hover{background:#059669;box-shadow:0 6px 20px #10b98166;transform:translateY(-2px)}.question-navigator{display:flex;flex-wrap:wrap;gap:.5rem;justify-content:center;padding:1rem}.nav-dot{background:#e5e7eb;border-radius:50%;height:12px;transition:all .2s;width:12px}.nav-dot.current{background:#3b82f6;box-shadow:0 0 8px #3b82f680;transform:scale(1.3)}.nav-dot.completed{background:#10b981}.loading-state{gap:1rem;min-height:60vh}.spinner-small{height:18px;width:18px}@media (max-width:768px){.practice-session-container{padding:1rem .5rem}.question-card{padding:1.5rem}.session-header{align-items:stretch;flex-direction:column;gap:1rem}.question-header{align-items:flex-start;flex-direction:column}.question-points{margin-left:0}.question-text{font-size:1.1rem}.option-button{padding:1rem}.option-text{font-size:1rem}}.practice-summary-container{background:linear-gradient(135deg,#667eea,#764ba2);margin:0 auto;max-width:900px;min-height:100vh;padding:2rem}.summary-header{margin-bottom:3rem;padding-top:2rem;position:relative;text-align:center}.confetti{animation:confetti-fall 2s ease-out infinite;font-size:4rem;left:50%;position:absolute;top:-20px;transform:translateX(-50%)}@keyframes confetti-fall{0%{opacity:1;transform:translateX(-50%) translateY(0) rotate(0deg)}to{opacity:.5;transform:translateX(-50%) translateY(30px) rotate(1turn)}}.summary-title{color:#fff;font-size:2.5rem;font-weight:700;margin-bottom:.5rem;text-shadow:0 2px 10px #0003}.summary-subtitle{color:#ffffffe6;font-size:1.25rem;font-weight:500}.score-section{margin-bottom:2rem}.score-circle,.score-section{display:flex;justify-content:center}.score-circle{align-items:center;animation:scale-in .5s ease-out;background:#fff;border:8px solid;border-radius:50%;box-shadow:0 10px 30px #0003;flex-direction:column;height:200px;width:200px}@keyframes scale-in{0%{opacity:0;transform:scale(0)}to{opacity:1;transform:scale(1)}}.score-value{font-size:3rem;font-weight:700;line-height:1}.score-label{color:#6b7280;font-size:1rem;margin-top:.5rem}.summary-stats-grid{grid-gap:1rem;display:grid;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));margin-bottom:2rem}.summary-stat-card{align-items:center;background:#fff;border-radius:12px;box-shadow:0 4px 6px #0000001a;display:flex;gap:1rem;padding:1.25rem;transition:transform .2s,box-shadow .2s}.summary-stat-card:hover{box-shadow:0 6px 12px #00000026;transform:translateY(-2px)}.stat-icon{font-size:1.25rem;height:48px;width:48px}.stat-icon.bg-blue-100{background-color:#dbeafe}.stat-icon.text-blue-600{color:#2563eb}.stat-icon.bg-green-100{background-color:#d1fae5}.stat-icon.text-green-600{color:#059669}.stat-icon.bg-red-100{background-color:#fee2e2}.stat-icon.text-red-600{color:#dc2626}.stat-icon.bg-purple-100{background-color:#ede9fe}.stat-icon.text-purple-600{color:#7c3aed}.stat-icon.bg-yellow-100{background-color:#fef3c7}.stat-icon.text-yellow-600{color:#d97706}.stat-value{font-size:1.5rem}.accuracy-section{background:#fff;border-radius:12px;box-shadow:0 4px 6px #0000001a;margin-bottom:2rem;padding:1.5rem}.accuracy-header{align-items:center;display:flex;justify-content:space-between;margin-bottom:1rem}.accuracy-label{color:#374151;font-size:1rem;font-weight:600}.accuracy-value{color:#1f2937;font-size:1.25rem;font-weight:700}.accuracy-bar{background:#e5e7eb;border-radius:6px;height:12px;margin-bottom:.75rem;overflow:hidden}.accuracy-fill{background:linear-gradient(90deg,#3b82f6,#10b981);border-radius:6px;height:100%;transition:width 1s ease-out}.accuracy-footer{color:#6b7280;display:flex;font-size:.875rem;justify-content:space-between}.encouragement-box{align-items:center;background:#fff;border-left:4px solid #3b82f6;border-radius:12px;box-shadow:0 4px 6px #0000001a;display:flex;gap:1rem;margin-bottom:2rem;padding:1.5rem}.encouragement-box i{color:#3b82f6;flex-shrink:0;font-size:2rem}.encouragement-box p{color:#374151;font-size:1rem;line-height:1.5;margin:0}.summary-actions{grid-gap:1rem;display:grid;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));margin-bottom:2rem}.btn-primary,.btn-secondary{align-items:center;border:none;border-radius:10px;cursor:pointer;display:flex;font-size:1rem;font-weight:600;gap:.5rem;justify-content:center;padding:1rem 1.5rem;transition:all .2s}.btn-primary:hover{box-shadow:0 6px 12px #3b82f64d}.btn-primary:hover,.btn-secondary:hover{transform:translateY(-2px)}.btn-large{width:100%}.summary-footer{color:#fffc;font-size:.875rem;text-align:center}.summary-footer p{margin:0}.error-state,.loading-state{align-items:center;color:#fff;display:flex;flex-direction:column;justify-content:center;min-height:400px}.loading-state .spinner{animation:spin 1s linear infinite;border:4px solid #ffffff4d;border-radius:50%;border-top-color:#fff;height:50px;margin-bottom:1rem;width:50px}.error-state i{font-size:3rem;margin-bottom:1rem}.error-state p{font-size:1.25rem;margin-bottom:1.5rem}@media (max-width:768px){.practice-summary-container{padding:1rem}.summary-title{font-size:2rem}.summary-subtitle{font-size:1rem}.score-circle{height:160px;width:160px}.score-value{font-size:2.5rem}.summary-actions,.summary-stats-grid{grid-template-columns:1fr}.encouragement-box{flex-direction:column;text-align:center}}.question-bank-manager{background:#f9fafb;margin:0 auto;max-width:1400px;min-height:100vh;padding:2rem}.qbm-header{align-items:center;display:flex;gap:1rem;justify-content:space-between;margin-bottom:2rem}.stats-grid{grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}.stat-card{transition:transform .2s,box-shadow .2s}.stat-icon{border-radius:10px;font-size:1.5rem;height:50px;width:50px}.stat-icon.bg-blue{background:#dbeafe;color:#2563eb}.stat-icon.bg-green{background:#d1fae5;color:#059669}.stat-icon.bg-purple{background:#ede9fe;color:#7c3aed}.stat-icon.bg-yellow{background:#fef3c7;color:#d97706}.stat-value{font-size:1.75rem}.filters-section{background:#fff;border-radius:12px;box-shadow:0 2px 8px #0000001a;padding:1.5rem}.filters-row{grid-gap:1rem;display:grid;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));margin-bottom:1rem}.filter-label{font-size:.875rem;margin-bottom:.5rem}.filter-input,.filter-select{border:2px solid #e5e7eb;border-radius:8px;font-size:.9375rem;padding:.625rem;transition:border-color .2s}.filter-input:focus,.filter-select:focus{border-color:#3b82f6;outline:none}.bulk-actions{align-items:center;border-top:2px solid #e5e7eb;display:flex;gap:1rem;padding-top:1rem}.selected-count{color:#3b82f6;flex:1 1;font-weight:600}.questions-list{display:flex;flex-direction:column;gap:1rem}.question-card{background:#fff;border-radius:12px;box-shadow:0 2px 8px #0000001a;display:flex;gap:1rem;padding:1.5rem;transition:all .2s}.question-card:hover{box-shadow:0 4px 12px #00000026}.question-checkbox{align-items:flex-start;display:flex;padding-top:.25rem}.question-checkbox input[type=checkbox]{cursor:pointer;height:18px;width:18px}.question-content{flex:1 1;min-width:0}.question-header{margin-bottom:1rem}.question-meta{align-items:center;display:flex;flex-wrap:wrap;gap:.75rem}.difficulty-badge,.points-badge,.topic-badge{align-items:center;border-radius:6px;display:inline-flex;font-size:.75rem;font-weight:600;gap:.25rem;padding:.25rem .75rem}.difficulty-badge-easy{background:#d1fae5;color:#059669}.difficulty-badge-medium{background:#fef3c7;color:#d97706}.difficulty-badge-hard{background:#fee2e2;color:#dc2626}.topic-badge{background:#e0e7ff;color:#4f46e5}.points-badge{background:#fef3c7;color:#d97706}.question-text{color:#1f2937;font-size:1rem;font-weight:500;line-height:1.5;margin-bottom:1rem}.question-options{display:flex;flex-direction:column;gap:.5rem;margin-bottom:1rem}.question-option{align-items:center;background:#f9fafb;border:2px solid #0000;border-radius:8px;display:flex;gap:.75rem;padding:.75rem;transition:all .2s}.question-option.correct{background:#d1fae5;border-color:#10b981}.option-letter{align-items:center;background:#fff;border-radius:50%;color:#3b82f6;display:flex;flex-shrink:0;font-size:.875rem;font-weight:600;height:28px;justify-content:center;width:28px}.question-option.correct .option-letter{background:#10b981;color:#fff}.option-text{color:#374151;flex:1 1;font-size:.9375rem}.question-option.correct i{color:#10b981;font-size:1.25rem}.question-tags{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:1rem}.tag{background:#f3f4f6;border-radius:6px;color:#6b7280;display:inline-block;font-size:.75rem;font-weight:500;padding:.25rem .75rem}.question-stats{color:#6b7280;display:flex;flex-wrap:wrap;font-size:.875rem;gap:1rem}.stat-item{gap:.35rem}.stat-item i{font-size:.875rem}.question-actions{display:flex;flex-direction:column;gap:.5rem}.modal-content{max-width:800px}.modal-content.modal-small{max-width:500px}.modal-description{color:#6b7280;margin-bottom:1.5rem}.form-row{grid-gap:1rem;display:grid;gap:1rem;grid-template-columns:repeat(2,1fr)}.option-input-group{align-items:center;display:flex;gap:.75rem;margin-bottom:.75rem}.option-label{align-items:center;background:#3b82f6;border-radius:50%;color:#fff;display:flex;flex-shrink:0;font-size:.875rem;font-weight:600;height:28px;justify-content:center;width:28px}.option-input-group input[type=radio]{cursor:pointer;height:20px;width:20px}.form-hint{color:#6b7280;font-size:.875rem;margin-top:.5rem}.tags-selector{display:flex;flex-wrap:wrap;gap:.5rem}.tag-button{background:#fff;border:2px solid #e5e7eb;border-radius:8px;color:#374151;cursor:pointer;font-size:.875rem;font-weight:500;padding:.5rem 1rem;transition:all .2s}.tag-button:hover{background:#eff6ff;border-color:#3b82f6}.tag-button.active{background:#3b82f6;border-color:#3b82f6;color:#fff}@media (max-width:768px){.question-bank-manager{padding:1rem}.qbm-header{align-items:stretch;flex-direction:column}.page-title{font-size:1.5rem}.filters-row,.stats-grid{grid-template-columns:1fr}.question-card{flex-direction:column}.question-actions{flex-direction:row;justify-content:flex-end}.form-row{grid-template-columns:1fr}.bulk-actions{align-items:stretch;flex-direction:column}.selected-count{text-align:center}}.category-manager{background:#f9fafb;margin:0 auto;max-width:1400px;min-height:100vh;padding:2rem}.cm-header{align-items:center;display:flex;gap:1rem;justify-content:space-between;margin-bottom:2rem}.header-content{flex:1 1}.page-title{color:#1f2937;font-size:2rem;font-weight:700;margin-bottom:.5rem}.page-subtitle{color:#6b7280;font-size:1rem}.categories-grid{grid-gap:1.5rem;display:grid;gap:1.5rem;grid-template-columns:repeat(auto-fill,minmax(350px,1fr))}.category-card{background:#fff;border-left:6px solid;border-radius:12px;box-shadow:0 2px 8px #0000001a;padding:1.5rem;transition:all .2s}.category-card:hover{box-shadow:0 8px 16px #00000026;transform:translateY(-4px)}.category-header{align-items:flex-start;display:flex;gap:1rem;margin-bottom:1.25rem}.category-icon{align-items:center;border-radius:12px;box-shadow:0 4px 12px #00000026;color:#fff;display:flex;flex-shrink:0;font-size:1.75rem;height:60px;justify-content:center;width:60px}.category-info{flex:1 1;min-width:0}.category-name{word-wrap:break-word;color:#1f2937;font-size:1.25rem;font-weight:700;margin-bottom:.5rem}.category-description{color:#6b7280;font-size:.875rem;line-height:1.5;margin:0}.category-stats{border-bottom:2px solid #f3f4f6;border-top:2px solid #f3f4f6;display:flex;flex-wrap:wrap;gap:1rem;margin-bottom:1.25rem;padding:1rem 0}.stat-item{display:inline-flex;font-size:.875rem}.category-actions{gap:.75rem}.btn-action,.category-actions{align-items:center;display:flex}.btn-action{background:#f3f4f6;border:none;border-radius:8px;color:#374151;cursor:pointer;flex:1 1;font-size:.875rem;font-weight:600;gap:.5rem;justify-content:center;padding:.625rem 1rem;transition:all .2s}.btn-action:hover{background:#e5e7eb;color:#1f2937}.btn-primary{font-size:.9375rem;justify-content:center}.btn-primary:hover:not(:disabled){background:#2563eb;box-shadow:0 4px 12px #3b82f64d;transform:translateY(-1px)}.btn-primary:disabled{cursor:not-allowed;opacity:.6}.btn-secondary{font-size:.9375rem;padding:.625rem 1.25rem}.btn-icon{align-items:center;background:#fff;border:2px solid #e5e7eb;border-radius:8px;color:#6b7280;cursor:pointer;display:flex;flex-shrink:0;height:40px;justify-content:center;transition:all .2s;width:40px}.btn-icon:hover{background:#eff6ff;border-color:#3b82f6;color:#3b82f6}.btn-icon.btn-danger:hover{background:#fee2e2;border-color:#ef4444;color:#ef4444}.modal-overlay{align-items:center;background:#00000080;bottom:0;display:flex;justify-content:center;left:0;padding:1rem;position:fixed;right:0;top:0;z-index:1000}.modal-content{border-radius:12px;box-shadow:0 20px 60px #0000004d;max-width:600px}.modal-content.modal-large{max-width:900px}.modal-header{align-items:center;border-bottom:2px solid #e5e7eb;display:flex;justify-content:space-between;padding:1.5rem}.modal-title{color:#1f2937;font-size:1.5rem;font-weight:700}.btn-close{align-items:center;background:#f3f4f6;border:none;border-radius:8px;color:#6b7280;cursor:pointer;display:flex;height:36px;justify-content:center;transition:all .2s;width:36px}.btn-close:hover{background:#e5e7eb;color:#1f2937}.modal-body,.modal-form{padding:1.5rem}.form-group{margin-bottom:1.5rem}.form-label{color:#374151;display:block;font-size:.9375rem;font-weight:600;margin-bottom:.5rem}.form-input{border:2px solid #e5e7eb;border-radius:8px;font-size:.9375rem;padding:.75rem;transition:border-color .2s;width:100%}.form-input:focus{border-color:#3b82f6;outline:none}.form-textarea{font-family:inherit;resize:vertical}.icon-selector{grid-gap:.5rem;display:grid;gap:.5rem;grid-template-columns:repeat(auto-fill,minmax(50px,1fr))}.icon-option{align-items:center;background:#fff;border:2px solid #e5e7eb;border-radius:8px;color:#6b7280;cursor:pointer;display:flex;font-size:1.25rem;height:50px;justify-content:center;transition:all .2s;width:50px}.icon-option:hover{border-color:#3b82f6;transform:scale(1.05)}.icon-option.active{border-color:#0000;box-shadow:0 4px 12px #00000026;color:#fff}.color-selector{grid-gap:.5rem;display:grid;gap:.5rem;grid-template-columns:repeat(auto-fill,minmax(50px,1fr))}.color-option{align-items:center;border:3px solid #0000;border-radius:8px;color:#fff;cursor:pointer;display:flex;font-size:1.25rem;height:50px;justify-content:center;transition:all .2s;width:50px}.color-option:hover{box-shadow:0 4px 12px #0003;transform:scale(1.1)}.color-option.active{border-color:#1f2937;box-shadow:0 0 0 3px #fff,0 0 0 5px #1f2937}.category-preview{align-items:flex-start;background:#f9fafb;border-left:6px solid;border-radius:12px;display:flex;gap:1rem;padding:1.25rem}.preview-icon{align-items:center;border-radius:12px;color:#fff;display:flex;flex-shrink:0;font-size:1.75rem;height:60px;justify-content:center;width:60px}.preview-info{flex:1 1}.preview-name{color:#1f2937;font-size:1.125rem;font-weight:700;margin-bottom:.5rem}.preview-description{color:#6b7280;font-size:.875rem;line-height:1.5}.modal-actions{border-top:2px solid #e5e7eb;display:flex;gap:1rem;justify-content:flex-end;padding:1.5rem}.exams-list{display:flex;flex-direction:column;gap:.75rem}.exam-item{background:#f9fafb;border:2px solid #e5e7eb;border-radius:8px;padding:1rem;transition:all .2s}.exam-item:hover{background:#eff6ff;border-color:#3b82f6}.exam-info{display:flex;flex-direction:column;gap:.5rem}.exam-title{color:#1f2937;font-size:1rem;font-weight:600}.exam-meta{align-items:center;display:flex;flex-wrap:wrap;gap:1rem}.meta-item{align-items:center;color:#6b7280;display:inline-flex;gap:.35rem}.meta-item,.meta-item i{font-size:.875rem}.exam-status{border-radius:6px;font-size:.75rem;font-weight:600;padding:.25rem .625rem}.exam-status.active{background:#d1fae5;color:#059669}.exam-status.inactive{background:#fee2e2;color:#dc2626}.loading-state{align-items:center;background:#fff;border-radius:12px;box-shadow:0 2px 8px #0000001a;display:flex;flex-direction:column;justify-content:center;padding:4rem 2rem}.spinner{margin-bottom:1rem}.loading-state p{color:#6b7280;font-size:1rem}.empty-state{align-items:center;background:#fff;border-radius:12px;box-shadow:0 2px 8px #0000001a;display:flex;flex-direction:column;justify-content:center;padding:4rem 2rem}.empty-state i{color:#d1d5db;font-size:4rem;margin-bottom:1rem}.empty-state p{color:#6b7280;font-size:1.125rem;margin-bottom:1.5rem}.empty-state-small{align-items:center;display:flex;flex-direction:column;justify-content:center;padding:3rem 1rem}.empty-state-small i{color:#d1d5db;font-size:3rem;margin-bottom:.75rem}.empty-state-small p{color:#6b7280;font-size:1rem;margin:0}@media (max-width:768px){.category-manager{padding:1rem}.cm-header{align-items:stretch;flex-direction:column}.page-title{font-size:1.5rem}.categories-grid{grid-template-columns:1fr}.category-header{align-items:center;text-align:center}.category-actions,.category-header{flex-direction:column}.btn-action{width:100%}.color-selector,.icon-selector{grid-template-columns:repeat(auto-fill,minmax(45px,1fr))}}.profile-gamification-container{margin:0 auto;max-width:1400px;padding:2rem}.profile-header{margin-bottom:2rem;text-align:center}.profile-header h1{align-items:center;color:#1f2937;display:flex;font-size:2rem;gap:.75rem;justify-content:center;margin-bottom:.5rem}.profile-header p{color:#6b7280;font-size:1.1rem}.btn-back{align-items:center;background:#fff;border:2px solid #e5e7eb;border-radius:8px;color:#3b82f6;cursor:pointer;display:inline-flex;font-weight:600;gap:.5rem;margin-bottom:1rem;padding:.5rem 1rem;transition:all .2s}.btn-back:hover{background:#eff6ff;border-color:#3b82f6}.hero-section{align-items:center;background:linear-gradient(135deg,#667eea,#764ba2);border-radius:16px;box-shadow:0 10px 30px #667eea4d;display:flex;gap:4rem;justify-content:center;margin-bottom:2rem;padding:3rem}.level-circle-container{flex-shrink:0;height:200px;position:relative;width:200px}.level-circle{height:100%;width:100%}.level-content{left:50%;position:absolute;text-align:center;top:50%;transform:translate(-50%,-50%)}.level-number{color:#fff;font-size:3.5rem;font-weight:700;line-height:1}.level-label{color:#ffffffe6;font-size:1rem;letter-spacing:1px;margin-top:.25rem;text-transform:uppercase}.hero-info{color:#fff;flex:1 1}.user-title h2{color:#fff;font-size:2.5rem;margin-bottom:.5rem}.title-badge{align-items:center;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#fff3;border-radius:20px;display:inline-flex;font-size:.875rem;gap:.5rem;padding:.5rem 1rem}.xp-progress-section{margin-top:2rem}.xp-info{align-items:center;display:flex;justify-content:space-between;margin-bottom:.75rem}.current-xp{font-size:1.5rem;font-weight:700}.next-level{font-size:.95rem;opacity:.9}.xp-progress-bar{background:#fff3;border-radius:10px;height:20px;margin-bottom:.5rem;overflow:hidden}.xp-progress-fill{background:linear-gradient(90deg,#fff,#f0f0f0);border-radius:10px;height:100%;transition:width .5s ease}.xp-remaining{font-size:.875rem;opacity:.9}.stats-grid{grid-gap:1.5rem;display:grid;gap:1.5rem;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));margin-bottom:2rem}.stat-card{align-items:center;background:#fff;border-radius:12px;box-shadow:0 2px 8px #0000001a;display:flex;gap:1rem;padding:1.5rem;position:relative;transition:all .3s}.stat-card:hover{box-shadow:0 4px 12px #00000026;transform:translateY(-2px)}.stat-card.leaderboard-card,.stat-card.streak-card{cursor:pointer}.stat-icon{font-size:1.75rem}.stat-info{flex:1 1}.stat-arrow{color:#9ca3af;font-size:1.25rem}.section-header{align-items:center;display:flex;justify-content:space-between;margin-bottom:1.5rem}.section-header h3{align-items:center;color:#1f2937;display:flex;font-size:1.5rem;gap:.5rem}.showcase-section{background:#fff;border-radius:12px;box-shadow:0 2px 8px #0000001a;margin-bottom:2rem;padding:2rem}.badge-showcase{grid-gap:1.5rem;display:grid;gap:1.5rem;grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}.showcase-badge{background:linear-gradient(135deg,#f8fafc,#e2e8f0);border-radius:12px;padding:2rem;text-align:center;transition:transform .3s}.showcase-badge:hover{transform:scale(1.05)}.badge-icon{align-items:center;border:4px solid;border-radius:50%;display:flex;height:80px;justify-content:center;margin:0 auto 1rem;width:80px}.badge-icon.rarity-common{background:#f3f4f6;border-color:#9ca3af;color:#6b7280}.badge-icon.rarity-rare{background:#dbeafe;border-color:#60a5fa;color:#3b82f6}.badge-icon.rarity-epic{background:#ede9fe;border-color:#a78bfa;color:#8b5cf6}.badge-icon.rarity-legendary{background:#fef3c7;border-color:#fbbf24;box-shadow:0 0 20px #f59e0b4d;color:#f59e0b}.empty-showcase{color:#9ca3af;padding:3rem 1rem;text-align:center}.empty-showcase i{color:#d1d5db;font-size:3rem;margin-bottom:1rem}.empty-showcase p{color:#6b7280;margin-bottom:1rem}.transactions-section{background:#fff;border-radius:12px;box-shadow:0 2px 8px #0000001a;padding:2rem}.transactions-list{display:flex;flex-direction:column;gap:1rem}.transaction-item{align-items:center;background:#f9fafb;border-left:4px solid #3b82f6;border-radius:8px;display:flex;gap:1rem;padding:1rem;transition:all .2s}.transaction-item:hover{background:#f3f4f6}.transaction-icon{align-items:center;background:#dbeafe;border-radius:8px;color:#3b82f6;display:flex;flex-shrink:0;font-size:1.25rem;height:40px;justify-content:center;width:40px}.transaction-info{flex:1 1}.xp-change{display:block;font-size:1rem;font-weight:600;margin-bottom:.25rem}.xp-change.positive{color:#10b981}.xp-change.negative{color:#ef4444}.transaction-date{color:#9ca3af;font-size:.8rem}.empty-transactions{color:#9ca3af;padding:3rem 1rem;text-align:center}.empty-transactions i{color:#d1d5db;font-size:3rem;margin-bottom:1rem}.btn-secondary{align-items:center;background:#fff;border:2px solid #3b82f6;border-radius:8px;color:#3b82f6;cursor:pointer;display:inline-flex;font-weight:600;gap:.5rem;padding:.5rem 1rem;transition:all .2s}.btn-secondary:hover{background:#eff6ff}.btn-small{font-size:.875rem;padding:.5rem .75rem}@media (max-width:1024px){.hero-section{flex-direction:column;gap:2rem;padding:2rem}.stats-grid{grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}}@media (max-width:768px){.profile-gamification-container{padding:1rem}.hero-section{padding:1.5rem}.level-circle-container{height:150px;width:150px}.level-number{font-size:2.5rem}.user-title h2{font-size:1.75rem}.badge-showcase,.stats-grid{grid-template-columns:1fr}}.leaderboard-container{margin:0 auto;max-width:1200px;padding:2rem}.leaderboard-header{margin-bottom:2rem;text-align:center}.leaderboard-header h1{align-items:center;color:#1f2937;display:flex;font-size:2rem;gap:.75rem;justify-content:center;margin-bottom:.5rem}.leaderboard-header p{color:#6b7280;font-size:1.1rem}.user-position-card{align-items:center;background:linear-gradient(135deg,#3b82f6,#8b5cf6);border-radius:16px;box-shadow:0 8px 24px #3b82f64d;color:#fff;display:flex;gap:2rem;margin-bottom:2rem;padding:2rem}.position-badge{text-align:center}.position-number{font-size:3rem;font-weight:700;line-height:1}.position-label{font-size:.9rem;margin-top:.25rem;opacity:.9}.position-info{display:flex;flex:1 1;gap:2rem}.info-item{display:flex;flex-direction:column;gap:.25rem}.info-label{font-size:.85rem;opacity:.9}.info-value{font-size:1.5rem;font-weight:700}.btn-view-profile{align-items:center;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#fff3;border:2px solid #ffffff4d;border-radius:8px;color:#fff;cursor:pointer;display:flex;font-weight:600;gap:.5rem;padding:.75rem 1.5rem;transition:all .2s}.btn-view-profile:hover{background:#ffffff4d;border-color:#ffffff80}.leaderboard-tabs{background:#fff;border-radius:12px;box-shadow:0 2px 8px #0000001a;display:flex;gap:.5rem;margin-bottom:2rem;overflow-x:auto;padding:.5rem}.tab-button{align-items:center;background:#0000;border:none;border-radius:8px;color:#6b7280;cursor:pointer;display:flex;flex:1 1;font-weight:600;gap:.5rem;justify-content:center;padding:.75rem 1.5rem;transition:all .2s;white-space:nowrap}.tab-button:hover{background:#f3f4f6;color:#374151}.tab-button.active{background:#3b82f6;color:#fff}.error-message{align-items:center;background:#fee2e2;border-radius:8px;color:#dc2626;display:flex;gap:.5rem;margin-bottom:2rem;padding:1rem}.podium-section{background:#fff;border-radius:16px;box-shadow:0 2px 8px #0000001a;margin-bottom:2rem;padding:3rem 2rem}.podium{align-items:flex-end;display:flex;gap:2rem;justify-content:center;margin:0 auto;max-width:800px}.podium-place{animation:slideUp .5s ease-out;flex:1 1;max-width:200px;position:relative;text-align:center}.podium-place.first{animation-delay:.1s}.podium-place.second{animation-delay:.2s}.podium-place.third{animation-delay:.3s}.podium-medal{animation:bounce .6s ease-out;font-size:3rem;margin-bottom:.5rem}@keyframes bounce{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}.podium-crown{animation:float 2s ease-in-out infinite;color:#fbbf24;font-size:2rem;left:50%;position:absolute;top:-20px;transform:translateX(-50%)}@keyframes float{0%,to{transform:translateX(-50%) translateY(0)}50%{transform:translateX(-50%) translateY(-10px)}}.podium-avatar{border:4px solid;border-radius:50%;box-shadow:0 4px 12px #0000001a;height:100px;margin:0 auto 1rem;overflow:hidden;width:100px}.podium-place.first .podium-avatar{border-color:#fbbf24;height:120px;width:120px}.podium-place.second .podium-avatar{border-color:#9ca3af}.podium-place.third .podium-avatar{border-color:#d97706}.podium-avatar img{height:100%;object-fit:cover;width:100%}.podium-name{color:#1f2937;font-size:1.1rem;font-weight:700;margin-bottom:.25rem}.podium-level{color:#6b7280;font-size:.9rem;margin-bottom:.5rem}.podium-xp{color:#3b82f6;font-size:1rem;font-weight:600;margin-bottom:1rem}.podium-stand{background:linear-gradient(180deg,#f3f4f6,#e5e7eb);border-radius:8px 8px 0 0;color:#6b7280;font-size:2rem;font-weight:700;margin-top:1rem;padding:2rem 1rem 1rem}.podium-place.first .podium-stand{background:linear-gradient(180deg,#fef3c7,#fbbf24);color:#78350f;padding-top:3rem}.podium-place.second .podium-stand{background:linear-gradient(180deg,#f3f4f6,#9ca3af);color:#374151}.podium-place.third .podium-stand{background:linear-gradient(180deg,#fed7aa,#d97706);color:#78350f;padding-top:1.5rem}.search-section{margin-bottom:2rem}.search-input-wrapper{margin:0 auto;max-width:400px}.search-input-wrapper i{left:1rem}.search-input{padding:.75rem 1rem .75rem 3rem;transition:all .2s}.search-input:focus{box-shadow:0 0 0 3px #3b82f61a}.leaderboard-list{background:#fff;border-radius:12px;box-shadow:0 2px 8px #0000001a;margin-bottom:2rem;padding:1rem}.leaderboard-item{align-items:center;border:2px solid #0000;border-radius:8px;display:flex;gap:1rem;margin-bottom:.5rem;padding:1rem;transition:all .2s}.leaderboard-item:hover{background:#f9fafb;border-color:#e5e7eb}.leaderboard-item.current-user{background:#eff6ff;border-color:#3b82f6}.rank-badge{align-items:center;border-radius:8px;color:#fff;display:flex;flex-shrink:0;font-size:1.1rem;font-weight:700;height:40px;justify-content:center;width:40px}.user-avatar{border:2px solid #e5e7eb;border-radius:50%;flex-shrink:0;height:50px;overflow:hidden;width:50px}.user-avatar img{height:100%;object-fit:cover;width:100%}.user-info{flex:1 1;min-width:0}.user-name{align-items:center;color:#1f2937;display:flex;font-size:1.05rem;font-weight:600;gap:.5rem;margin-bottom:.25rem}.you-badge{background:#3b82f6;border-radius:4px;color:#fff;font-size:.75rem;font-weight:600;padding:.15rem .5rem}.user-meta{align-items:center;color:#6b7280;display:flex;font-size:.875rem;gap:.5rem}.separator{color:#d1d5db}.user-stats{gap:1.5rem}.stat-item,.user-stats{align-items:center;display:flex}.stat-item{color:#6b7280;font-size:.95rem;gap:.5rem}.stat-item i{color:#9ca3af}.pagination{gap:1rem;justify-content:center;margin-top:2rem}.btn-page,.pagination{align-items:center;display:flex}.btn-page{background:#fff;border:2px solid #3b82f6;border-radius:8px;color:#3b82f6;cursor:pointer;font-weight:600;gap:.5rem;padding:.75rem 1.5rem;transition:all .2s}.btn-page:hover:not(:disabled){background:#eff6ff}.btn-page:disabled{border-color:#e5e7eb;color:#9ca3af;cursor:not-allowed;opacity:.5}.page-info{color:#374151;font-weight:600}.empty-search,.empty-state,.loading-state{padding:4rem 2rem;text-align:center}.empty-search i,.empty-state i,.loading-state i{color:#d1d5db;font-size:3rem;margin-bottom:1rem}.empty-search h3,.empty-state h3,.loading-state h3{color:#374151;margin-bottom:.5rem}.empty-search p,.empty-state p,.loading-state p{color:#6b7280}@media (max-width:1024px){.podium{gap:1rem}.position-info{flex-wrap:wrap}}@media (max-width:768px){.leaderboard-container{padding:1rem}.user-position-card{flex-direction:column;text-align:center}.position-info{gap:1rem;justify-content:center}.leaderboard-tabs{flex-wrap:nowrap;overflow-x:auto}.tab-button{flex:0 0 auto}.podium{align-items:center;flex-direction:column}.podium-place{max-width:250px;order:0;width:100%}.podium-place.first{order:-1}.podium-stand{padding:1.5rem 1rem 1rem}.leaderboard-item{flex-wrap:wrap}.user-stats{border-top:1px solid #e5e7eb;justify-content:space-around;padding-top:.5rem;width:100%}}.badge-showcase-container{margin:0 auto;max-width:1400px;padding:2rem}.badges-header{margin-bottom:2rem;text-align:center}.badges-header h1{align-items:center;color:#1f2937;display:flex;font-size:2rem;gap:.75rem;justify-content:center;margin-bottom:.5rem}.badges-header p{color:#6b7280;font-size:1.1rem}.progress-section{background:#fff;border-radius:12px;box-shadow:0 2px 8px #0000001a;margin-bottom:2rem;padding:1.5rem}.progress-info{display:flex;justify-content:space-between;margin-bottom:.75rem}.progress-label{color:#374151;font-weight:600}.progress-count{color:#3b82f6;font-size:1.1rem;font-weight:700}.progress-bar{background:#e5e7eb;border-radius:8px;height:16px;overflow:hidden}.progress-fill{background:linear-gradient(90deg,#3b82f6,#8b5cf6);border-radius:8px;height:100%;transition:width .5s ease}.filters-section{grid-gap:1.5rem;display:grid;gap:1.5rem;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));margin-bottom:2rem}.filter-group{display:flex;flex-direction:column;gap:.5rem}.filter-label{color:#374151;font-size:.9rem;font-weight:600}.filter-select{background:#fff;border:2px solid #e5e7eb;border-radius:8px;cursor:pointer;font-size:1rem;padding:.75rem;transition:border-color .2s}.filter-select:focus{border-color:#3b82f6;outline:none}.search-input-wrapper{position:relative}.search-input-wrapper i{color:#9ca3af;left:.75rem;position:absolute;top:50%;transform:translateY(-50%)}.search-input{border:2px solid #e5e7eb;border-radius:8px;font-size:1rem;padding:.75rem .75rem .75rem 2.5rem;transition:border-color .2s;width:100%}.search-input:focus{border-color:#3b82f6;outline:none}.showcase-info{align-items:center;background:linear-gradient(135deg,#fef3c7,#fbbf24);border-radius:12px;box-shadow:0 2px 8px #fbbf244d;display:flex;justify-content:space-between;margin-bottom:2rem;padding:1rem 1.5rem}.showcase-message{color:#78350f}.btn-save-showcase,.showcase-message{align-items:center;display:flex;font-weight:600;gap:.5rem}.btn-save-showcase{background:#78350f;border:none;border-radius:8px;color:#fff;cursor:pointer;padding:.75rem 1.5rem;transition:all .2s}.btn-save-showcase:hover:not(:disabled){background:#92400e;transform:translateY(-1px)}.btn-save-showcase:disabled{cursor:not-allowed;opacity:.6}.badges-grid{grid-gap:1.5rem;display:grid;gap:1.5rem;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));margin-bottom:2rem}.badge-card{background:#fff;border-radius:12px;box-shadow:0 2px 8px #0000001a;cursor:pointer;padding:1.5rem;position:relative;text-align:center;transition:all .3s}.badge-card:hover{box-shadow:0 4px 16px #00000026;transform:translateY(-4px)}.badge-card.locked{opacity:.7}.badge-card.showcased{border:3px solid #fbbf24;box-shadow:0 4px 16px #fbbf244d}.showcase-checkbox{align-items:center;background:#ffffffe6;border-radius:6px;display:flex;font-size:.75rem;gap:.25rem;padding:.25rem .5rem;position:absolute;right:.75rem;top:.75rem;z-index:1}.showcase-checkbox input[type=checkbox]{cursor:pointer}.showcase-checkbox .checkbox-label{color:#6b7280;font-size:.7rem;font-weight:600}.badge-icon-wrapper{align-items:center;border:4px solid;border-radius:50%;display:flex;height:100px;justify-content:center;margin:0 auto 1rem;position:relative;width:100px}.badge-icon-wrapper.rarity-common{background:#f3f4f6}.badge-icon-wrapper.rarity-rare{background:#dbeafe}.badge-icon-wrapper.rarity-epic{background:#ede9fe}.badge-icon-wrapper.rarity-legendary{background:#fef3c7;box-shadow:0 0 20px #f59e0b4d}.badge-lock{align-items:center;background:#00000080;border-radius:50%;color:#fff;display:flex;font-size:2rem;height:100%;justify-content:center;position:absolute;width:100%;z-index:1}.badge-icon{color:inherit;font-size:2.5rem}.badge-icon.locked-icon{filter:grayscale(100%) blur(2px)}.badge-icon-wrapper.rarity-common .badge-icon{color:#6b7280}.badge-icon-wrapper.rarity-rare .badge-icon{color:#3b82f6}.badge-icon-wrapper.rarity-epic .badge-icon{color:#8b5cf6}.badge-icon-wrapper.rarity-legendary .badge-icon{color:#f59e0b}.badge-info{margin-bottom:1rem}.badge-name{color:#1f2937;font-size:1.1rem;font-weight:600;margin-bottom:.5rem}.badge-rarity{font-size:.8rem;font-weight:600;letter-spacing:.5px;text-transform:uppercase}.badge-rarity.rarity-common{color:#6b7280}.badge-rarity.rarity-rare{color:#3b82f6}.badge-rarity.rarity-epic{color:#8b5cf6}.badge-rarity.rarity-legendary{color:#f59e0b}.badge-progress{margin-top:1rem}.badge-progress-bar{background:#e5e7eb;border-radius:4px;height:8px;margin-bottom:.5rem;overflow:hidden}.badge-progress-fill{background:#3b82f6;border-radius:4px;height:100%;transition:width .3s ease}.badge-progress-text{color:#6b7280;font-size:.8rem;font-weight:600}.badge-unlocked-date{color:#10b981;font-size:.85rem;font-weight:600;gap:.5rem;margin-top:1rem}.badge-unlocked-date,.modal-backdrop{align-items:center;display:flex;justify-content:center}.modal-backdrop{animation:fadeIn .2s ease-out;background:#0009;bottom:0;left:0;padding:1rem;position:fixed;right:0;top:0;z-index:1000}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.modal-content{animation:slideUp .3s ease-out;background:#fff;border-radius:16px;max-height:90vh;max-width:500px;overflow-y:auto;padding:2rem;position:relative;width:100%}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.modal-close{align-items:center;background:#f3f4f6;border:none;border-radius:50%;cursor:pointer;display:flex;height:32px;justify-content:center;position:absolute;right:1rem;top:1rem;transition:all .2s;width:32px}.modal-close:hover{background:#e5e7eb;transform:rotate(90deg)}.modal-badge-icon-wrapper{margin-bottom:1.5rem;text-align:center}.modal-badge-icon{align-items:center;border:6px solid;border-radius:50%;display:flex;font-size:4rem;height:150px;justify-content:center;margin:0 auto;position:relative;width:150px}.modal-badge-icon.rarity-common{background:#f3f4f6;color:#6b7280}.modal-badge-icon.rarity-rare{background:#dbeafe;color:#3b82f6}.modal-badge-icon.rarity-epic{background:#ede9fe;color:#8b5cf6}.modal-badge-icon.rarity-legendary{background:#fef3c7;box-shadow:0 0 30px #f59e0b66;color:#f59e0b}.modal-badge-name{color:#1f2937;font-size:1.75rem;margin-bottom:.5rem;text-align:center}.modal-badge-rarity{font-size:.9rem;font-weight:600;letter-spacing:1px;margin-bottom:1rem;text-align:center;text-transform:uppercase}.modal-badge-category{align-items:center;background:#f3f4f6;border-radius:20px;color:#6b7280;display:inline-flex;display:flex;font-size:.9rem;gap:.5rem;justify-content:center;margin:0 auto 1.5rem;padding:.5rem 1rem;text-align:center}.modal-badge-description{color:#6b7280;line-height:1.6;margin-bottom:1.5rem;text-align:center}.modal-badge-reward{align-items:center;background:linear-gradient(135deg,#fef3c7,#fbbf24);border-radius:8px;color:#78350f;display:flex;font-weight:700;gap:.5rem;justify-content:center;margin-bottom:1rem;padding:1rem}.modal-progress{margin-top:1.5rem}.modal-progress-label{color:#374151;font-weight:600;margin-bottom:.5rem;text-align:center}.modal-progress-bar{background:#e5e7eb;border-radius:6px;height:12px;overflow:hidden}.modal-progress-fill{background:#3b82f6;border-radius:6px;height:100%;transition:width .3s ease}.modal-unlocked{align-items:center;background:#d1fae5;border-radius:8px;color:#065f46;display:flex;font-weight:600;gap:.5rem;justify-content:center;margin-top:1rem;padding:1rem}@media (max-width:768px){.badge-showcase-container{padding:1rem}.filters-section{grid-template-columns:1fr}.badges-grid{gap:1rem;grid-template-columns:repeat(auto-fill,minmax(160px,1fr))}.badge-card{padding:1rem}.badge-icon-wrapper{height:80px;width:80px}.badge-icon{font-size:2rem}.showcase-info{flex-direction:column;gap:1rem;text-align:center}.modal-content{padding:1.5rem}.modal-badge-icon{font-size:3rem;height:120px;width:120px}}.streak-calendar-container{margin:0 auto;max-width:1400px;padding:2rem}.streak-header{margin-bottom:2rem;text-align:center}.streak-header h1{align-items:center;color:#1f2937;display:flex;font-size:2rem;gap:.75rem;justify-content:center;margin-bottom:.5rem}.streak-header h1 i{animation:flicker 2s ease-in-out infinite;color:#ef4444}@keyframes flicker{0%,to{opacity:1;transform:scale(1)}50%{opacity:.8;transform:scale(1.1)}}.streak-header p{color:#6b7280;font-size:1.1rem}.streak-stats-grid{grid-gap:1.5rem;display:grid;gap:1.5rem;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));margin-bottom:2rem}.streak-stat-card{align-items:center;background:#fff;border-radius:12px;box-shadow:0 2px 8px #0000001a;display:flex;gap:1rem;padding:1.5rem;position:relative;transition:all .3s}.streak-stat-card:hover{box-shadow:0 4px 12px #00000026;transform:translateY(-2px)}.streak-stat-card.current{background:linear-gradient(135deg,#fee2e2,#fecaca)}.streak-stat-card.longest{background:linear-gradient(135deg,#fef3c7,#fde68a)}.streak-stat-card.freeze{background:linear-gradient(135deg,#dbeafe,#bfdbfe)}.stat-icon{align-items:center;border-radius:12px;display:flex;flex-shrink:0;font-size:2rem;height:60px;justify-content:center;width:60px}.streak-stat-card.current .stat-icon{background:#ef4444;color:#fff}.streak-stat-card.longest .stat-icon{background:#f59e0b;color:#fff}.streak-stat-card.freeze .stat-icon{background:#3b82f6;color:#fff}.stat-content{flex:1 1}.stat-label{color:#6b7280;font-size:.875rem;font-weight:600;margin-bottom:.25rem}.stat-value{color:#1f2937;font-size:2rem;font-weight:700}.btn-use-freeze{align-items:center;background:#3b82f6;border:none;border-radius:8px;color:#fff;cursor:pointer;display:flex;font-weight:600;gap:.5rem;padding:.5rem 1rem;transition:all .2s;white-space:nowrap}.btn-use-freeze:hover:not(:disabled){background:#2563eb;transform:translateY(-1px)}.btn-use-freeze:disabled{cursor:not-allowed;opacity:.6}.milestone-section{background:#fff;border-radius:12px;box-shadow:0 2px 8px #0000001a;margin-bottom:2rem;padding:1.5rem}.milestone-header{align-items:center;display:flex;justify-content:space-between;margin-bottom:1rem}.milestone-title{align-items:center;color:#374151;display:flex;font-weight:600;gap:.5rem}.milestone-title i{color:#3b82f6}.milestone-progress-text{color:#3b82f6;font-weight:700}.milestone-progress-bar{background:#e5e7eb;height:24px}.milestone-progress-bar,.milestone-progress-fill{border-radius:12px;overflow:hidden;position:relative}.milestone-progress-fill{background:linear-gradient(90deg,#3b82f6,#8b5cf6);height:100%;transition:width .5s ease}.milestone-progress-fill:after{animation:shimmer 2s infinite;background:linear-gradient(90deg,#0000,#ffffff4d,#0000);bottom:0;content:"";left:0;position:absolute;right:0;top:0}@keyframes shimmer{0%{transform:translateX(-100%)}to{transform:translateX(100%)}}.calendar-section{background:#fff;border-radius:12px;box-shadow:0 2px 8px #0000001a;margin-bottom:2rem;padding:2rem;position:relative}.calendar-header{align-items:center;display:flex;flex-wrap:wrap;gap:1rem;justify-content:space-between;margin-bottom:1.5rem}.calendar-header h3{color:#1f2937;font-size:1.25rem}.calendar-legend{align-items:center;color:#6b7280;display:flex;font-size:.875rem;gap:.5rem}.legend-colors{display:flex;gap:.25rem}.legend-color{border-radius:2px;height:12px;width:12px}.calendar-wrapper{display:flex;gap:.5rem;overflow-x:auto;padding-bottom:1rem}.calendar-day-labels{display:flex;flex-direction:column;gap:3px;padding-top:1.5rem}.day-label{align-items:center;color:#6b7280;display:flex;font-size:.7rem;height:12px;line-height:1}.calendar-grid{display:flex;flex:1 1;gap:3px}.calendar-week{display:flex;flex-direction:column;gap:3px}.calendar-day{border:1px solid #1b1f230f;border-radius:2px;cursor:pointer;height:12px;transition:all .2s;width:12px}.calendar-day:hover{box-shadow:0 2px 8px #0003;transform:scale(1.5);z-index:10}.calendar-day.today{border:2px solid #3b82f6;box-shadow:0 0 0 2px #3b82f633}.calendar-tooltip{animation:fadeIn .2s ease-out;background:#1f2937;border-radius:6px;box-shadow:0 4px 12px #0000004d;color:#fff;font-size:.875rem;padding:.5rem .75rem;pointer-events:none;position:fixed;z-index:1000}.tooltip-date{font-weight:600;margin-bottom:.25rem}.tooltip-count{font-size:.8rem;opacity:.9}.stats-summary{grid-gap:1.5rem;display:grid;gap:1.5rem;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));margin-bottom:2rem}.summary-card{align-items:center;background:#fff;border-radius:12px;box-shadow:0 2px 8px #0000001a;display:flex;gap:1rem;padding:1.5rem;transition:all .3s}.summary-card:hover{box-shadow:0 4px 12px #00000026;transform:translateY(-2px)}.summary-icon{align-items:center;background:#eff6ff;border-radius:10px;color:#3b82f6;display:flex;flex-shrink:0;font-size:1.5rem;height:50px;justify-content:center;width:50px}.summary-content{flex:1 1}.summary-label{color:#6b7280;font-size:.875rem;margin-bottom:.25rem}.summary-value{color:#1f2937;font-size:1.5rem;font-weight:700}.freeze-info-section{background:#eff6ff;border-left:4px solid #3b82f6;border-radius:12px;padding:1.5rem}.freeze-info-card{align-items:flex-start;display:flex;gap:1rem}.freeze-info-icon{align-items:center;background:#3b82f6;border-radius:50%;color:#fff;display:flex;flex-shrink:0;font-size:1.25rem;height:40px;justify-content:center;width:40px}.freeze-info-content h4{color:#1f2937;font-size:1.1rem;margin-bottom:.5rem}.freeze-info-content p{color:#6b7280;line-height:1.6;margin:0}.empty-state,.error-state,.loading-state{padding:4rem 2rem;text-align:center}.empty-state i,.error-state i,.loading-state i{color:#d1d5db;font-size:3rem;margin-bottom:1rem}.empty-state h3,.error-state h3,.loading-state h3{color:#374151;margin-bottom:.5rem}.empty-state p,.error-state p,.loading-state p{color:#6b7280;margin-bottom:1.5rem}.btn-primary{align-items:center;background:#3b82f6;border:none;border-radius:8px;color:#fff;cursor:pointer;display:inline-flex;font-weight:600;gap:.5rem;padding:.75rem 1.5rem;transition:all .2s}.btn-primary:hover{background:#2563eb;box-shadow:0 4px 12px #3b82f64d;transform:translateY(-1px)}.spinner{animation:spin 1s linear infinite;border:4px solid #f3f4f6;border-radius:50%;border-top-color:#3b82f6;height:50px;margin:0 auto 1rem;width:50px}.spinner-small{animation:spin .8s linear infinite;border:2px solid #ffffff4d;border-radius:50%;border-top-color:#fff;display:inline-block;height:16px;width:16px}@keyframes spin{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}@media (max-width:1024px){.calendar-wrapper{overflow-x:scroll}}@media (max-width:768px){.streak-calendar-container{padding:1rem}.streak-stats-grid{grid-template-columns:1fr}.streak-stat-card{flex-wrap:wrap}.btn-use-freeze{justify-content:center;width:100%}.milestone-header{align-items:flex-start;flex-direction:column;gap:.5rem}.calendar-section{padding:1rem}.calendar-header{align-items:flex-start;flex-direction:column}.calendar-day-labels{font-size:.6rem}.calendar-day{height:10px;width:10px}.stats-summary{grid-template-columns:1fr}.freeze-info-card{flex-direction:column}}