@media (max-width:768px){.btn{min-height:44px;padding:12px 20px;font-size:16px}.btn-sm{min-height:38px;padding:8px 16px;font-size:14px}.navbar{padding:8px 0}.navbar-brand{font-size:18px}.nav-link{padding:12px 16px;font-size:16px}.container{padding-left:15px;padding-right:15px}.card{margin-bottom:1rem}.card-body{padding:1rem}input[type="text"],input[type="password"],input[type="email"],input[type="number"],select,textarea{font-size:16px;padding:12px}.table-responsive{overflow-x:auto;-webkit-overflow-scrolling:touch}footer{padding:1rem 0;font-size:12px}.alert{font-size:14px;padding:12px}.modal-dialog{margin:10px}.modal-body{padding:1rem}}@media (max-width:768px){.quiz-question{font-size:18px;line-height:1.6;padding:1rem}.quiz-choice{font-size:16px;padding:15px;margin-bottom:12px;border-width:2px}.quiz-choice:active{transform:scale(0.98);transition:transform 0.1s}.quiz-progress{position:sticky;top:56px;background:white;z-index:100;padding:10px 0;box-shadow:0 2px 4px rgba(0,0,0,0.1)}}.touch-feedback{-webkit-tap-highlight-color:rgba(13,110,253,0.2);user-select:none;-webkit-user-select:none}.btn,.card,.list-group-item,a{-webkit-tap-highlight-color:rgba(13,110,253,0.2)}.swipeable{touch-action:pan-y;position:relative}.swipeable::after{content:'';position:absolute;left:0;right:0;bottom:0;height:4px;background:linear-gradient(90deg,transparent,#0d6efd,transparent);opacity:0;transition:opacity 0.3s}.swipeable:active::after{opacity:0.5}@media (max-width:768px){.mobile-bottom-nav{position:fixed;bottom:0;left:0;right:0;height:60px;background:white;border-top:1px solid #dee2e6;display:flex;justify-content:space-around;align-items:center;z-index:1000;box-shadow:0 -2px 10px rgba(0,0,0,0.1);transition:transform 0.3s ease-in-out}.mobile-bottom-nav.hidden{transform:translateY(100%)}.mobile-bottom-nav a{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;text-decoration:none;color:#6c757d;font-size:12px;padding:5px}.mobile-bottom-nav a.active{color:#0d6efd}.mobile-bottom-nav a .icon{font-size:24px;margin-bottom:2px}body.has-bottom-nav{padding-bottom:70px}}@media (display-mode:standalone){.install-banner{display:none}.navbar{padding-top:env(safe-area-inset-top)}body{padding-bottom:env(safe-area-inset-bottom)}}@media (max-width:768px) and (prefers-color-scheme:dark){[data-bs-theme="dark"] .quiz-progress{background:#212529;box-shadow:0 2px 4px rgba(255,255,255,0.1)}[data-bs-theme="dark"] .mobile-bottom-nav{background:#212529;border-top-color:#495057;box-shadow:0 -2px 10px rgba(255,255,255,0.1)}[data-bs-theme="dark"] .mobile-bottom-nav a{color:#adb5bd}[data-bs-theme="dark"] .mobile-bottom-nav a.active{color:#0d6efd}}.offline-indicator{position:fixed;top:60px;left:50%;transform:translateX(-50%);background:#ffc107;color:#000;padding:8px 16px;border-radius:20px;font-size:14px;z-index:1050;display:none;animation:slideDown 0.3s ease-out}.offline-indicator.show{display:block}@keyframes slideDown{from{transform:translateX(-50%) translateY(-100%);opacity:0}to{transform:translateX(-50%) translateY(0);opacity:1}}.gesture-hint{position:fixed;bottom:80px;left:50%;transform:translateX(-50%);background:rgba(0,0,0,0.7);color:white;padding:10px 20px;border-radius:20px;font-size:14px;z-index:1040;animation:fadeInOut 3s ease-in-out;pointer-events:none}@keyframes fadeInOut{0%,100%{opacity:0}10%,90%{opacity:1}}@media (max-width:768px){.question-text,.choice-text{word-wrap:break-word;word-break:keep-all;overflow-wrap:break-word}}@media (max-width:768px){img{max-width:100%;height:auto}.question-image,.choice-image{max-width:100%;margin:10px 0;border-radius:8px}}.scroll-container{-webkit-overflow-scrolling:touch;overflow-y:auto}.pwa-install-banner{position:fixed;bottom:0;left:0;right:0;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);color:white;padding:15px;display:none;z-index:1030;animation:slideUp 0.3s ease-out}.pwa-install-banner.show{display:block}@keyframes slideUp{from{transform:translateY(100%)}to{transform:translateY(0)}}.pwa-install-banner .close-btn{position:absolute;top:10px;right:10px;background:transparent;border:none;color:white;font-size:24px;cursor:pointer}.pwa-install-launcher{position:fixed;bottom:90px;right:20px;width:48px;height:48px;border-radius:50%;background:linear-gradient(135deg,#0d6efd,#6610f2);color:white;border:none;display:none;align-items:center;justify-content:center;font-size:1.6rem;box-shadow:0 6px 18px rgba(13,110,253,0.35);z-index:1065;cursor:pointer}.pwa-install-launcher:hover{filter:brightness(1.1)}.pwa-install-launcher:focus-visible{outline:3px solid rgba(255,255,255,0.8)}@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:0.01ms!important;animation-iteration-count:1!important;transition-duration:0.01ms!important}}@media (prefers-contrast:high){.btn{border-width:2px}.card{border-width:2px}}@media (max-width:768px){.btn-group-vertical.mobile-optimized{width:100%}.btn-group-vertical.mobile-optimized .btn{margin-bottom:8px;width:100%;text-align:left;display:flex;align-items:center;justify-content:space-between}.d-flex.justify-content-between>div{display:flex!important;flex-direction:row!important;flex-wrap:wrap}.d-flex.justify-content-between>div .btn{flex:0 0 auto;white-space:nowrap!important;overflow:hidden;text-overflow:ellipsis;padding:10px 12px;font-size:14px}.filter-buttons{display:flex!important;flex-direction:column!important;gap:10px;margin-bottom:1rem}.filter-buttons .btn{width:100%;font-size:15px;padding:12px 16px;white-space:nowrap!important;overflow:hidden;text-overflow:ellipsis}.accordion-button{font-size:15px;padding:14px 16px;line-height:1.5}.question-actions .btn{margin:4px 2px;font-size:13px;padding:8px 12px}.review-card .btn{width:100%;margin-top:8px}.review-card-actions{display:flex;flex-direction:column;gap:8px}.review-card-actions .btn{width:100%}.pagination{flex-wrap:wrap;justify-content:center}.pagination .page-link{font-size:14px;padding:8px 12px}.search-box{margin-bottom:1rem}.search-box input{width:100%;font-size:16px}.mb-4>.d-flex.justify-content-between.align-items-center .input-group{max-width:45%!important;flex-shrink:0}.mb-4>.d-flex.justify-content-between.align-items-center h6{flex-shrink:0;margin-right:8px;font-size:14px}select.form-select{font-size:16px;padding:12px;height:auto}select[multiple]{min-height:150px}.form-check-label{font-size:15px;line-height:1.6;padding-left:8px}.form-check-input{width:20px;height:20px;margin-top:2px}.filter-buttons{display:grid!important;grid-template-columns:1fr!important}.filter-buttons #applyFiltersBtn{grid-column:1;width:100%}.filter-buttons #clearFiltersBtn{grid-column:1;width:100%}.filter-buttons #saveFiltersBtn{grid-column:1;width:100%}.filter-buttons{grid-template-columns:1fr 1fr!important}.filter-buttons #applyFiltersBtn{grid-column:1 / -1}.filter-buttons #clearFiltersBtn{grid-column:1}.filter-buttons #saveFiltersBtn{grid-column:2}.review-card-actions.btn-group{display:flex!important;flex-direction:row!important;gap:8px;width:100%}.review-card-actions.btn-group .btn{flex:1;white-space:nowrap!important;border-radius:4px!important}.review-card-actions.btn-group form{flex:1;margin-bottom:0}.card-body .d-flex.d-md-none.justify-content-between.flex-nowrap{flex-wrap:nowrap!important;gap:4px!important;overflow-x:auto;-webkit-overflow-scrolling:touch}.card-body .d-flex.d-md-none.justify-content-between.flex-nowrap .btn{white-space:nowrap!important;flex-shrink:0;padding:6px 10px;font-size:13px}.card-body form .btn{padding:10px 16px;min-height:44px}.review-card-actions .btn{padding:8px 12px}.review-card-actions .btn span:not(.badge){display:none}}.pwa-loading-overlay{position:fixed;bottom:20px;right:20px;z-index:9999;background-color:rgba(255,255,255,0.95);border-radius:50%;padding:12px;box-shadow:0 2px 8px rgba(0,0,0,0.15)}[data-theme="dark"] .pwa-loading-overlay{background-color:rgba(33,37,41,0.95);box-shadow:0 2px 8px rgba(0,0,0,0.3)}.pwa-loading-spinner{display:flex;align-items:center;justify-content:center}.pwa-loading-spinner .spinner-border{width:1.5rem;height:1.5rem;border-width:0.2em}.pwa-loading-spinner .mt-3{display:none}@media (display-mode:standalone){.pwa-only{display:block!important}}