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0}.feedback-thanks-icon{font-size:1.4rem}.challenge-section{background:#ffffff0d;border-radius:12px;padding:24px;border:1px solid rgba(255,255,255,.1);text-align:center;animation:slideUpFadeIn .3s ease-out forwards;display:flex;flex-direction:column;gap:16px}@keyframes slideUpFadeIn{0%{opacity:0;transform:translateY(15px)}to{opacity:1;transform:translateY(0)}}.challenge-header{margin:0;font-size:1.4rem;color:#fff;font-weight:700}.challenge-copy{margin:0;font-size:1rem;color:#ffffffb3;line-height:1.4}.challenge-actions{display:flex;flex-direction:column;align-items:center;gap:12px;margin-top:8px;min-height:80px;justify-content:center}.share-challenge-button{width:100%;padding:14px 28px;background:#4caf50;color:#fff;border:none;border-radius:10px;font-weight:700;font-size:1.1rem;cursor:pointer;transition:all .2s cubic-bezier(.4,0,.2,1);box-shadow:0 4px 12px #4caf504d}.share-challenge-button:hover{background:#45a049;transform:translateY(-2px);box-shadow:0 6px 16px 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8px}.scene-card-objects{font-size:.9rem;color:#666;margin:0}.scene-card-completion-overlay{position:absolute;bottom:8px;right:8px;display:flex;align-items:center;justify-content:center;z-index:10;pointer-events:none}.scene-card-checkmark{width:32px;height:32px;filter:drop-shadow(0 2px 4px rgba(0,0,0,.3))}.scene-card-completion-number{width:32px;height:32px;background:#4caf50;color:#fff;font-size:14px;font-weight:700;border-radius:50%;display:flex;align-items:center;justify-content:center;filter:drop-shadow(0 2px 4px rgba(0,0,0,.3))}.scene-selector-loading,.scene-selector-error{background:#fff;padding:40px;border-radius:16px;text-align:center;box-shadow:0 4px 6px #0000001a}.scene-selector-error h2{color:#e74c3c;margin-top:0}.scene-selector-error p{color:#666}.scene-selector-footer{display:flex;justify-content:center;align-items:center;gap:24px;margin-top:48px;padding-top:24px;border-top:1px solid 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280px;max-width:280px;scroll-snap-align:start}.scene-card-image-container{height:160px}.scene-card-title{font-size:1.25rem}.scene-selector-container{padding:16px}.scene-selector-footer{margin-top:32px;padding-top:20px}}.auth-container{display:flex;justify-content:center;align-items:center;min-height:100vh;background:linear-gradient(135deg,#667eea,#764ba2);padding:20px}.auth-card{background:#fff;border-radius:12px;padding:40px;box-shadow:0 10px 40px #0003;text-align:center;max-width:400px;width:100%}.auth-card h1.auth-title{margin:0 0 4px;color:#333;font-size:32px;font-weight:700;letter-spacing:-.5px}.auth-subtitle{margin:0 0 32px!important;color:#667eea;font-size:14px;font-weight:600;text-transform:uppercase;letter-spacing:1.2px}.auth-intro{margin-bottom:24px!important;font-size:15px!important;color:#666!important}.auth-button{display:flex;align-items:center;justify-content:center;gap:12px;width:100%;padding:12px 24px;border:none;border-radius:8px;font-size:16px;font-weight:500;cursor:pointer;transition:background-color .2s,transform .1s;margin-bottom:12px}.auth-button:last-child{margin-bottom:0}.auth-button:active:not(:disabled){transform:translateY(0)}.auth-button:hover:not(:disabled){transform:translateY(-1px)}.auth-button:disabled{opacity:.6;cursor:not-allowed}.auth-button.google{background:#4285f4;color:#fff;box-shadow:0 4px #2a5eb8}.auth-button.google:hover:not(:disabled){background:#357ae8}.auth-button.google:active:not(:disabled){transform:translateY(2px);box-shadow:0 2px #2a5eb8}.auth-button.apple{background:#000;color:#fff}.auth-button.apple:hover:not(:disabled){background:#333}.auth-form{margin-top:10px;width:100%}.auth-input{width:100%;padding:12px;margin-bottom:12px;border:1px solid #ddd;border-radius:8px;font-size:16px;box-sizing:border-box}.auth-input:focus{border-color:#667eea;outline:none;box-shadow:0 0 0 2px #667eea33}.auth-button.email-link,.auth-button.email-submit{background:#667eea;color:#fff}.auth-button.email-link:hover:not(:disabled),.auth-button.email-submit:hover:not(:disabled){background:#5a6fd1}.auth-divider{display:flex;align-items:center;margin:20px 0;color:#999;font-size:14px}.auth-divider:before,.auth-divider:after{content:"";flex:1;border-bottom:1px solid #eee}.auth-divider span{padding:0 10px}.auth-success-icon{font-size:48px;margin-bottom:20px}.auth-helper-text{font-size:14px!important;color:#888!important;margin-bottom:20px!important}.auth-link-button{background:none;border:none;color:#667eea;text-decoration:underline;cursor:pointer;font-size:14px}.auth-link-button:hover{color:#5a6fd1}.auth-icon{width:20px;height:20px}.auth-error{background:#fee;color:#c33;padding:12px;border-radius:6px;margin-bottom:20px;font-size:14px}.auth-spinner{width:40px;height:40px;border:4px solid #f3f3f3;border-top:4px solid #667eea;border-radius:50%;animation:spin 1s linear infinite;margin:0 auto 20px}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.auth-invite-banner{display:flex;align-items:center;gap:16px;background:#f0f7ff;border:1px solid #d0e3ff;padding:16px;border-radius:12px;margin-bottom:32px;text-align:left}.auth-invite-icon{font-size:24px}.auth-invite-text{display:flex;flex-direction:column}.auth-invite-text strong{color:#1a3a6c;font-size:16px}.auth-invite-text span{color:#4a5568;font-size:14px}.admin-layout{display:flex;min-height:100vh;background:#f5f6fa}.admin-sidebar{width:280px;background:linear-gradient(180deg,#1a1a2e,#16213e);color:#fff;display:flex;flex-direction:column;flex-shrink:0}.admin-sidebar-header{padding:24px 20px;border-bottom:1px solid rgba(255,255,255,.1)}.admin-sidebar-title{font-size:1.25rem;font-weight:600;margin:0;color:#fff;letter-spacing:.5px}.admin-sidebar-subtitle{font-size:.75rem;color:#ffffff80;margin-top:4px}.admin-nav{flex:1;padding:16px 0;overflow-y:auto}.admin-nav-section{margin-bottom:8px}.admin-nav-section-header{display:flex;align-items:center;justify-content:space-between;padding:12px 20px;font-size:.7rem;font-weight:600;text-transform:uppercase;letter-spacing:1.2px;color:#fff6;cursor:pointer;transition:color .2s;-webkit-user-select:none;user-select:none}.admin-nav-section-header:hover{color:#ffffffb3}.admin-nav-section-arrow{font-size:.6rem;transition:transform .2s}.admin-nav-section-arrow.expanded{transform:rotate(90deg)}.admin-nav-items{overflow:hidden;transition:max-height .2s ease-out}.admin-nav-items.collapsed{max-height:0}.admin-nav-items.expanded{max-height:200px}.admin-nav-item{display:flex;align-items:center;padding:10px 20px 10px 32px;font-size:.875rem;color:#ffffffb3;cursor:pointer;transition:all .15s;border-left:3px solid transparent}.admin-nav-item:hover{background:#ffffff0d;color:#fff}.admin-nav-item.active{background:#667eea33;color:#667eea;border-left-color:#667eea}.admin-nav-item-icon{width:18px;height:18px;margin-right:12px;opacity:.7}.admin-nav-item.active .admin-nav-item-icon{opacity:1}.admin-content{flex:1;display:flex;flex-direction:column;overflow:hidden}.admin-content-header{background:#fff;padding:20px 32px;border-bottom:1px solid #e8e8e8;box-shadow:0 1px 3px #0000000d}.admin-content-title{font-size:1.5rem;font-weight:600;margin:0;color:#1a1a2e}.admin-content-body{flex:1;padding:32px;overflow-y:auto}.admin-loading{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff}.admin-loading-spinner{width:48px;height:48px;border:4px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:admin-spin .8s linear infinite}@keyframes admin-spin{to{transform:rotate(360deg)}}.admin-loading-text{margin-top:16px;font-size:1rem}.admin-access-denied{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;text-align:center;padding:20px}.admin-access-denied h1{font-size:2rem;margin-bottom:16px}.admin-access-denied p{font-size:1rem;opacity:.8;margin-bottom:24px}.admin-back-link{display:inline-block;padding:12px 24px;background:#fff3;color:#fff;text-decoration:none;border-radius:8px;font-weight:500;transition:background .2s}.admin-back-link:hover{background:#ffffff4d}.admin-card{background:#fff;border-radius:12px;box-shadow:0 2px 8px #00000014;padding:24px;margin-bottom:24px}.admin-card-title{font-size:1.125rem;font-weight:600;color:#1a1a2e;margin:0 0 16px;padding-bottom:12px;border-bottom:1px solid #eee}@media(max-width:768px){.admin-layout{flex-direction:column}.admin-sidebar{width:100%;max-height:50vh;overflow-y:auto}.admin-content-body{padding:16px}}