@import"https://fonts.googleapis.com/css2?family=Open+Sans:wght@400;500;600;700&display=swap";:root{--bg-primary: #ffffff;--bg-secondary: #f0f7f5;--bg-card: #ffffff;--bg-glass: rgba(15, 153, 119, .05);--accent-primary: #0f9977;--accent-secondary: #0d8063;--accent-success: #10b981;--accent-warning: #f59e0b;--accent-error: #ef4444;--text-primary: #111111;--text-secondary: #696969;--text-muted: #888888;--border-color: rgba(15, 153, 119, .2);--shadow-sm: 0 2px 8px rgba(0, 0, 0, .05);--shadow-md: 0 4px 16px rgba(0, 0, 0, .08);--shadow-lg: 0 8px 32px rgba(0, 0, 0, .1);--spacing-xs: .5rem;--spacing-sm: 1rem;--spacing-md: 1.5rem;--spacing-lg: 2rem;--spacing-xl: 3rem;--radius-sm: 0px;--radius-md: 0px;--radius-lg: 0px;--transition-fast: .15s ease;--transition-base: .25s ease;--transition-slow: .4s ease}.navbar{background:var(--bg-card);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-bottom:1px solid var(--border-color);padding:var(--spacing-md) 0;position:sticky;top:0;z-index:100;box-shadow:var(--shadow-sm)}.nav-header{display:flex;justify-content:space-between;align-items:center;width:100%}.mobile-menu-btn{display:none;flex-direction:column;justify-content:space-between;width:30px;height:21px;background:transparent;border:none;cursor:pointer;padding:0;z-index:101}.mobile-menu-btn span{width:100%;height:3px;background-color:var(--accent-primary);border-radius:3px;transition:all var(--transition-base)}.nav-content{width:100%;height:auto;margin:0 auto;padding:0 var(--spacing-md);display:flex;justify-content:space-between;align-items:center}.nav-content h2{font-size:1.5rem;color:var(--accent-primary)}.nav-actions{display:flex;gap:var(--spacing-sm);margin:0 1em}.streak-display{display:flex;align-items:center;gap:var(--spacing-sm);background:var(--bg-glass);padding:.5rem 1rem;border-radius:var(--radius-md);border:1px solid var(--border-color)}.book-icon{display:inline-block;width:40px;height:46px}.book-svg{width:100%;height:100%;color:var(--accent-primary);filter:drop-shadow(0 2px 4px rgba(99,102,241,.4));transition:all var(--transition-slow)}.book-svg:hover{transform:scale(1.1) rotate(5deg)}.streak-number{font-size:40px;font-weight:700;fill:var(--text-primary)}.streak-label{color:var(--text-primary);font-size:1rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em}.streak-display.streak-updated .book-icon{animation:streakPulse .6s ease}.admin-table-container{width:100%;overflow-x:auto;margin-top:var(--spacing-lg);background:var(--bg-glass);border-radius:var(--radius-md);border:1px solid var(--border-color)}.admin-table{width:100%;min-width:600px;border-collapse:collapse;text-align:left;font-size:.95rem}.admin-table th,.admin-table td{padding:var(--spacing-md);border-bottom:1px solid var(--border-color)}.admin-table th{background:#6366f11a;color:var(--accent-primary);font-weight:600;text-transform:uppercase;font-size:.8rem;letter-spacing:.05em}.modal{position:fixed;top:0;left:0;width:100%;height:100%;background:#000c;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:flex;justify-content:center;align-items:center;z-index:1000}.modal-content{background:var(--bg-card);padding:var(--spacing-xl);border-radius:var(--radius-lg);border:1px solid var(--border-color);width:90%;max-width:500px;box-shadow:var(--shadow-lg)}.alert-modal-container{position:fixed;top:0;left:0;width:100%;height:100%;background:#000000b3;display:flex;justify-content:center;align-items:center;z-index:2000;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);animation:fadeIn .3s ease}.alert-modal-content{background:var(--bg-card);padding:var(--spacing-xl);border-radius:var(--radius-lg);border:1px solid var(--border-color);max-width:400px;width:90%;text-align:center;box-shadow:var(--shadow-xl)}.btn-primary,.btn-secondary{padding:var(--spacing-sm) var(--spacing-lg);border:none;border-radius:var(--radius-sm);font-size:1rem;font-weight:600;cursor:pointer;transition:all var(--transition-base);font-family:inherit}.btn-primary{width:100%;background:linear-gradient(135deg,var(--accent-primary),var(--accent-secondary));color:#fff;box-shadow:var(--shadow-sm)}.btn-secondary{background:var(--bg-glass);color:var(--text-primary);border:1px solid var(--border-color);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.btn-icon{padding:.5rem;border-radius:var(--radius-sm);border:1px solid var(--border-color);background:var(--bg-glass);color:var(--text-primary);cursor:pointer;transition:all var(--transition-fast)}.btn-icon:hover{background:var(--accent-primary);color:#fff}.form-group{margin-bottom:var(--spacing-md)}.form-group label{display:block;margin-bottom:var(--spacing-xs);color:var(--text-secondary);font-weight:500;font-size:.9rem}.form-group input,.modal-content select,.answer-input{width:100%;padding:var(--spacing-sm) var(--spacing-md);background:var(--bg-glass);border:1px solid var(--border-color);border-radius:var(--radius-sm);color:var(--text-primary);font-size:1rem;font-family:inherit;transition:all var(--transition-base)}.error-message{margin-top:var(--spacing-sm);padding:var(--spacing-sm);background:#ef44441a;border:1px solid var(--accent-error);border-radius:var(--radius-sm);color:var(--accent-error);font-size:.9rem;display:none}.tab-btn{padding:var(--spacing-sm) var(--spacing-lg);border:1px solid var(--border-color);border-radius:var(--radius-sm);background:var(--bg-glass);color:var(--text-secondary);cursor:pointer;font-size:.9rem;font-weight:500;font-family:inherit;transition:all var(--transition-base)}.tab-btn:hover{background:#6366f126;color:var(--text-primary)}.tab-btn.tab-active{background:linear-gradient(135deg,var(--accent-primary),var(--accent-secondary));color:#fff;border-color:transparent}.filters-container{display:flex;gap:1rem;margin-bottom:1rem;padding:0 1rem}.tabs-container{display:flex;gap:.5rem;padding:0 1rem;margin-bottom:1rem}.filter-group,.filter-group-topic{flex:1;margin-bottom:0}.filter-group-text{flex:2;margin-bottom:0}.sortable{-webkit-user-select:none;user-select:none}.sortable:hover{background:#6366f133}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Open Sans,Arial,sans-serif;background:linear-gradient(135deg,#e8f5f2,#fff);color:var(--text-primary);min-height:100vh;line-height:1.6;overflow-x:hidden}body:before{content:"";position:fixed;top:0;left:0;width:100%;height:100%;background:radial-gradient(circle at 20% 30%,rgba(15,153,119,.05) 0%,transparent 50%),radial-gradient(circle at 80% 70%,rgba(15,153,119,.03) 0%,transparent 50%);pointer-events:none;z-index:-1}.page{min-height:100vh;animation:fadeIn var(--transition-base)}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes streakPulse{0%,to{transform:scale(1)}50%{transform:scale(1.2) rotate(10deg)}}.auth-container{max-width:450px;margin:0 auto;padding:var(--spacing-xl) var(--spacing-md);min-height:100vh;display:flex;flex-direction:column}.auth-header{text-align:center;margin-bottom:var(--spacing-xl)}.auth-header h1{font-size:2.5rem;font-weight:700;color:var(--accent-primary);margin-bottom:var(--spacing-sm)}.auth-header p{color:var(--text-secondary);font-size:1.1rem}.auth-tabs{display:flex;gap:var(--spacing-sm);margin-bottom:var(--spacing-lg);background:var(--bg-glass);padding:.5rem;border-radius:var(--radius-md);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.tab-button{flex:1;padding:var(--spacing-sm) var(--spacing-md);border:none;background:transparent;color:var(--text-secondary);font-size:1rem;font-weight:500;border-radius:var(--radius-sm);cursor:pointer;transition:all var(--transition-base)}.tab-button.active{background:linear-gradient(135deg,var(--accent-primary),var(--accent-secondary));color:#fff;box-shadow:var(--shadow-sm)}.auth-form{display:none;background:var(--bg-card);padding:var(--spacing-lg);border-radius:var(--radius-lg);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid var(--border-color);box-shadow:var(--shadow-md);gap:.5em}.auth-form.active{display:flex;flex-direction:column;animation:slideUp var(--transition-base)}.game-container{max-width:800px;margin:0 auto;padding:var(--spacing-xl) var(--spacing-md);position:relative}.tamagotchi-container{display:flex;justify-content:center;align-items:center;margin-bottom:var(--spacing-xl);background:var(--bg-card);border-radius:50%;padding:var(--spacing-xl);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid var(--border-color);box-shadow:var(--shadow-md);position:absolute;z-index:1;right:-30px;top:-30px;padding:0}.tamagotchi-svg{width:150px;height:150px;filter:drop-shadow(0 8px 16px rgba(0,0,0,.3));transition:all var(--transition-slow)}.question-section{background:var(--bg-card);border-radius:var(--radius-lg);padding:var(--spacing-xl);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid var(--border-color);box-shadow:var(--shadow-md)}.question-text{font-size:1.5rem;font-weight:600;margin-bottom:var(--spacing-lg);color:var(--text-primary);line-height:1.4}.feedback-section{padding:var(--spacing-lg);border-radius:var(--radius-md);margin-top:var(--spacing-lg);animation:slideDown var(--transition-base)}.feedback-section.correct{background:#10b9811a;border:1px solid var(--accent-success)}.feedback-section.partial{background:#f59e0b1a;border:1px solid var(--accent-warning)}.feedback-section.incorrect{background:#ef44441a;border:1px solid var(--accent-error)}.feedback-section.correct #feedback-text{color:var(--accent-success)}.feedback-section.partial #feedback-text{color:var(--accent-warning)}.feedback-section.incorrect #feedback-text{color:var(--accent-error)}.history-section{background:var(--bg-card);padding:var(--spacing-xl);border-radius:var(--radius-lg);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid var(--border-color);box-shadow:var(--shadow-md)}.history-item{background:var(--bg-glass);padding:var(--spacing-md);border-radius:var(--radius-md);margin-bottom:var(--spacing-md);border-left:4px solid var(--border-color);transition:all var(--transition-base)}.history-item.correct{border-left-color:var(--accent-success)}.history-item.partial{border-left-color:var(--accent-warning)}.history-item.incorrect{border-left-color:var(--accent-error)}.profile-container{max-width:100%;margin:0 auto;padding:var(--spacing-xl) var(--spacing-md)}.profile-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:var(--spacing-md);margin-bottom:var(--spacing-xl)}.stat-card{background:var(--bg-card);padding:var(--spacing-lg);border-radius:var(--radius-lg);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid var(--border-color);box-shadow:var(--shadow-md);text-align:center;transition:all var(--transition-base)}.streak-value{background:linear-gradient(135deg,var(--accent-primary),var(--accent-secondary));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hidden{display:none!important}.loading{text-align:center;color:var(--text-muted);padding:var(--spacing-xl)}.admin-questions-layout{display:grid;grid-template-columns:1fr 3fr;gap:2rem;max-width:1400px;margin:0 auto;padding:var(--spacing-xl) var(--spacing-md)}.admin-sidebar{display:flex;flex-direction:column;gap:1.5rem}.sidebar-card h3{margin-bottom:1rem;font-size:1.1rem;color:var(--accent-primary);border-bottom:1px solid var(--border-color);padding-bottom:.5rem}.sidebar-actions{display:flex;flex-direction:column;gap:.75rem}.topics-sidebar-list{display:flex;flex-direction:column;gap:.5rem}.topic-item{padding:.75rem;background:var(--bg-glass);border-radius:var(--radius-sm);border:1px solid var(--border-color);cursor:pointer;transition:all var(--transition-base);display:flex;justify-content:space-between;align-items:center}.topic-item:hover{background:var(--bg-card);border-color:var(--accent-primary);transform:translate(5px)}.topic-item.disabled{opacity:.6;border-style:dashed}.topic-status-tag{font-size:.7rem;padding:.2rem .4rem;border-radius:4px;text-transform:uppercase;font-weight:700}.status-active{background:#10b98133;color:var(--accent-success)}.status-inactive{background:#ef444433;color:var(--accent-error)}.btn-danger{background:var(--accent-error)!important;color:#fff!important;border-color:var(--accent-error)!important}.btn-danger:hover{filter:brightness(.9)}@media (max-width: 992px){.admin-questions-layout{grid-template-columns:1fr}}.suggested-answer-container{margin-top:1.5rem;padding-top:1.5rem;border-top:1px solid rgba(255,255,255,.1);animation:fadeIn .5s ease-out}.suggested-answer-title{font-weight:600;font-size:.9rem;color:var(--text-secondary);margin-bottom:.5rem;text-transform:uppercase;letter-spacing:.05em}#suggested-answer-text{font-style:italic;color:var(--text-primary);line-height:1.6}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@media (max-width: 800px){.profile-container{max-width:100%}.nav-content{flex-wrap:wrap;gap:var(--spacing-sm);flex-direction:column}.nav-header{width:auto;flex:1}.nav-header h2{font-size:1.2rem}.mobile-menu-btn{display:flex}.nav-actions{display:none;position:absolute;top:100%;left:0;width:100%;background:var(--bg-card);flex-direction:column;padding:var(--spacing-md);border-bottom:1px solid var(--border-color);box-shadow:var(--shadow-md);z-index:99;justify-content:center}.navbar.menu-open .nav-actions{display:flex;animation:slideDown var(--transition-base)}.navbar.menu-open .mobile-menu-btn span:nth-child(1){transform:translateY(9px) rotate(45deg)}.navbar.menu-open .mobile-menu-btn span:nth-child(2){opacity:0}.navbar.menu-open .mobile-menu-btn span:nth-child(3){transform:translateY(-9px) rotate(-45deg)}.streak-display{order:-1;margin-right:auto}.auth-header h1{font-size:2rem}#tamagotchi-container{position:relative;right:0;top:0;margin:0 auto var(--spacing-lg);width:160px;height:160px;display:flex;justify-content:center;align-items:center}.tamagotchi-svg{width:150px;height:150px}.question-text{font-size:1.25rem}}@media (max-width: 480px){:root{--spacing-xl: 1.5rem;--spacing-lg: 1rem;--spacing-md: .75rem}.auth-header h1{font-size:1.75rem}#tamagotchi-container{width:140px;height:140px}.tamagotchi-svg{width:120px;height:120px}.game-container{padding-top:var(--spacing-md)}.auth-container,.game-container,.profile-container{padding-left:var(--spacing-sm);padding-right:var(--spacing-sm)}.admin-questions-layout{padding:var(--spacing-md) var(--spacing-sm)}}@media (max-width: 400px){:root{--spacing-xl: 1rem;--spacing-lg: .75rem;--spacing-md: .5rem;--spacing-sm: .5rem}html{font-size:14px}.nav-content{padding:0 var(--spacing-sm)}.profile-container,.game-container,.auth-container{padding-left:var(--spacing-sm);padding-right:var(--spacing-sm)}.profile-stats{grid-template-columns:1fr;gap:var(--spacing-sm)}.stat-card{padding:var(--spacing-md)}.admin-table th,.admin-table td{padding:var(--spacing-sm)}.auth-header h1{font-size:1.5rem}.filters-container{flex-direction:column;gap:var(--spacing-md);padding:0 var(--spacing-sm)}.tabs-container{flex-direction:column;gap:var(--spacing-sm);padding:0 var(--spacing-sm)}.tabs-container .tab-btn{width:100%}}@media (max-width: 300px){html{font-size:12px}:root{--spacing-xl: .75rem;--spacing-lg: .5rem;--spacing-md: .25rem;--spacing-sm: .25rem}.admin-questions-layout,.profile-container{padding:var(--spacing-sm) 0}.filters-container,.tabs-container{padding:0}}@keyframes slideDown{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}