:root{--primary: #0284c7;--primary-light: #e0f2fe;--primary-dark: #0369a1;--secondary: #10b981;--secondary-light: #d1fae5;--danger: #ef4444;--danger-light: #fee2e2;--background: #f8fafc;--surface: #ffffff;--text-main: #0f172a;--text-muted: #64748b;--border: #e2e8f0;--font-sans: "Inter", system-ui, -apple-system, sans-serif}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-sans);background-color:var(--background);color:var(--text-main);line-height:1.6;min-height:100vh;display:flex;flex-direction:column}button{font-family:inherit;cursor:pointer;border:none;background:none;transition:all .2s ease-in-out}.app-container{max-width:800px;margin:0 auto;padding:2rem 1rem;width:100%;flex:1;display:flex;flex-direction:column}.app-header{text-align:center;margin-bottom:2rem}.app-title{color:var(--primary-dark);font-size:1.75rem;font-weight:700;display:flex;align-items:center;justify-content:center;gap:.5rem}.question-card{background:var(--surface);border-radius:16px;box-shadow:0 4px 6px -1px #0000000d,0 2px 4px -2px #0000000d;padding:2rem;border:1px solid var(--border)}.question-text{font-size:1.25rem;font-weight:600;color:var(--text-main);margin-bottom:2rem}.options-list{display:flex;flex-direction:column;gap:1rem}.option-button{width:100%;text-align:left;padding:1rem 1.25rem;border-radius:12px;background:#f8fafc;border:2px solid transparent;color:var(--text-main);font-size:1rem;display:flex;align-items:center;gap:1rem}.option-button:hover:not(:disabled){background:var(--primary-light);transform:translateY(-2px)}.option-button:disabled{cursor:default}.option-button.selected-correct{background:var(--secondary-light);border-color:var(--secondary);color:#065f46}.option-button.selected-wrong{background:var(--danger-light);border-color:var(--danger);color:#991b1b}.option-button.correct-unselected{background:var(--secondary-light);border-color:transparent;color:#065f46}.feedback-box{margin-top:2rem;padding:1.5rem;border-radius:12px;animation:slideUp .3s ease-out}.feedback-box.correct{background:var(--secondary-light);border:1px solid var(--secondary)}.feedback-box.wrong{background:var(--danger-light);border:1px solid var(--danger)}.feedback-title{font-weight:700;font-size:1.125rem;margin-bottom:.5rem;display:flex;align-items:center;gap:.5rem}.feedback-box.correct .feedback-title{color:#065f46}.feedback-box.wrong .feedback-title{color:#991b1b}.feedback-text{color:var(--text-main);font-size:.95rem}.next-button{margin-top:2rem;width:100%;padding:1rem;background:var(--primary);color:#fff;border-radius:12px;font-weight:600;font-size:1.125rem;display:flex;justify-content:center;align-items:center;gap:.5rem;box-shadow:0 4px 6px -1px #0284c733}.next-button:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 6px 8px -1px #0284c74d}.loading-state,.error-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:4rem 2rem;text-align:center;color:var(--text-muted)}.loading-spinner{animation:spin 1s linear infinite;color:var(--primary);margin-bottom:1rem}@keyframes spin{to{transform:rotate(360deg)}}@keyframes slideUp{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@media(max-width:640px){.question-card{padding:1.25rem}.question-text{font-size:1.15rem;margin-bottom:1.5rem}.option-button{padding:.85rem 1rem;font-size:.95rem}.home-header{flex-direction:column;gap:1rem;align-items:flex-start;margin-bottom:2rem}.header-logo{width:100%;justify-content:space-between}.header-logo h1{font-size:1.25rem}.banner-section h2{font-size:1.5rem!important}.header-logo a{padding:.3rem .6rem!important;font-size:.75rem!important}}.home-container{max-width:1000px;margin:0 auto;padding:2rem 1rem;width:100%}.home-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:3rem;border-bottom:1px solid var(--border);padding-bottom:1rem}.header-logo{display:flex;align-items:center;gap:.75rem;color:var(--primary-dark)}.header-logo h1{font-size:1.5rem;font-weight:800;margin:0}.profile-btn{position:relative;background:var(--surface);border:1px solid var(--border);border-radius:50%;padding:.5rem;box-shadow:0 2px 4px #0000000d;display:flex}.profile-btn:hover{background:var(--primary-light);transform:scale(1.05)}.status-dot{position:absolute;top:0;right:0;width:10px;height:10px;background-color:var(--secondary);border-radius:50%;border:2px solid var(--surface)}.banner-section{text-align:center;margin-bottom:4rem}.banner-title{font-size:2.25rem;font-weight:800;color:var(--primary-dark);margin-bottom:2rem;line-height:1.2}.banner-image-container{width:100%;display:flex;justify-content:center;margin-bottom:2rem}.banner-img-capa{width:100%;max-width:800px;height:auto;border-radius:20px;box-shadow:0 10px 25px -5px #00000026;object-fit:cover}.cards-section{display:grid;grid-template-columns:1fr 1fr;gap:2rem}.course-card{background:var(--surface);border-radius:20px;padding:2.5rem 2rem;border:2px solid var(--border);cursor:pointer;transition:all .3s ease;position:relative;overflow:hidden;display:flex;flex-direction:column;align-items:center;text-align:center}.course-card:hover{transform:translateY(-8px);box-shadow:0 12px 24px -8px #0000001a}.free-card:hover{border-color:var(--primary)}.premium-card{background:linear-gradient(to bottom right,#fff,#fef3c7);border-color:#fde68a}.premium-card:hover{border-color:#f59e0b;box-shadow:0 12px 24px -8px #f59e0b33}.card-icon-wrapper{background:var(--primary-light);width:80px;height:80px;border-radius:50%;display:flex;align-items:center;justify-content:center;margin-bottom:1.5rem}.premium-icon{background:#fef3c7}.card-content h3{font-size:1.5rem;margin-bottom:.75rem;color:var(--text-main)}.card-content p{color:var(--text-muted);font-size:1.05rem}.premium-badge{position:absolute;top:1rem;right:1rem;background:#f59e0b;color:#fff;font-weight:800;font-size:.8rem;padding:.25rem .75rem;border-radius:999px;letter-spacing:1px}.modal-overlay{position:fixed;inset:0;background:#0f172a99;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:1000;padding:1rem;animation:fadeIn .2s ease}.modal-content{background:var(--surface);border-radius:24px;width:100%;max-width:440px;padding:2.5rem;position:relative;box-shadow:0 20px 25px -5px #0000001a,0 8px 10px -6px #0000001a;animation:slideUp .3s ease}.modal-close{position:absolute;top:1.5rem;right:1.5rem;color:var(--text-muted);padding:.5rem;border-radius:50%;display:flex}.modal-close:hover{background:var(--danger-light);color:var(--danger)}.modal-body h2{font-size:1.75rem;color:var(--text-main);margin-bottom:.5rem}.modal-subtitle{color:var(--text-muted);margin-bottom:2rem}.auth-form{display:flex;flex-direction:column;gap:1.25rem}.input-group{display:flex;flex-direction:column;gap:.5rem}.input-group label{font-weight:600;font-size:.95rem;color:var(--text-main)}.input-group input{padding:.75rem 1rem;border:1px solid var(--border);border-radius:8px;font-size:1rem;font-family:inherit;transition:border-color .2s}.input-group input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-light)}.auth-button{width:100%;padding:.875rem;background:var(--primary);color:#fff;border-radius:8px;font-weight:600;font-size:1rem;display:flex;justify-content:center;align-items:center;gap:.5rem;margin-top:.5rem}.auth-button:hover:not(:disabled){background:var(--primary-dark)}.auth-button:disabled{opacity:.7;cursor:not-allowed}.switch-mode-btn{width:100%;margin-top:1.5rem;color:var(--primary);font-weight:500;font-size:.95rem}.switch-mode-btn:hover{text-decoration:underline}.auth-error{background:var(--danger-light);color:#991b1b;padding:.75rem 1rem;border-radius:8px;margin-bottom:1.5rem;font-size:.95rem;border:1px solid var(--danger)}.logged-in-view{text-align:center}.logged-in-view p{margin-bottom:1rem}.user-status-badge{display:inline-block;background:var(--secondary-light);color:#065f46;padding:.5rem 1rem;border-radius:999px;font-weight:600;margin-bottom:2rem}.logout{background:var(--danger)}.logout:hover{background:#b91c1c}.quiz-header{display:flex;align-items:center;position:relative;justify-content:center}.back-icon{position:absolute;left:0;color:var(--text-muted);display:flex;padding:.5rem;border-radius:50%;transition:all .2s ease}.back-icon:hover{background:var(--border);color:var(--text-main)}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@media(max-width:768px){.cards-section{grid-template-columns:1fr}.banner-title{font-size:1.75rem}}.google-auth-button{width:100%;padding:.875rem;background:var(--surface);color:var(--text-main);border:1px solid var(--border);border-radius:8px;font-weight:600;font-size:1rem;display:flex;justify-content:center;align-items:center;gap:.75rem;margin-bottom:.5rem;transition:all .2s ease}.google-auth-button:hover:not(:disabled){background:var(--background);box-shadow:0 4px 6px -1px #0000000d}.google-icon{width:20px;height:20px}.auth-divider{display:flex;align-items:center;text-align:center;margin:1.5rem 0}.auth-divider:before,.auth-divider:after{content:"";flex:1;border-bottom:1px solid var(--border)}.auth-divider span{padding:0 1rem;color:var(--text-muted);font-size:.9rem;font-weight:500}.profile-img-header{width:24px;height:24px;border-radius:50%;object-fit:cover}.profile-initial-header{width:24px;height:24px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.85rem}.products-list{display:flex;flex-direction:column;gap:1rem;margin-top:1rem;text-align:left}.product-card{background:#fffbeb;border:1px solid #fde68a;border-radius:12px;padding:1.25rem;display:flex;flex-direction:column;gap:1rem;transition:all .2s ease}.product-card:hover{border-color:#f59e0b;box-shadow:0 4px 6px -1px #f59e0b1a}.product-info h4{font-size:1.125rem;color:#92400e;margin-bottom:.25rem}.product-info p{font-size:.9rem;color:#b45309;margin-bottom:.5rem;line-height:1.4}.product-info strong{font-size:1.25rem;color:#b45309;display:block}.admin-container{max-width:1200px;margin:0 auto;padding:2rem 1rem;width:100%}.admin-header{margin-bottom:2rem}.admin-header-title{display:flex;align-items:center;gap:1rem;margin-bottom:1.5rem}.admin-header-title h2{font-size:2rem;color:var(--primary-dark)}.admin-tabs{display:flex;gap:1rem;border-bottom:2px solid var(--border)}.admin-tab{padding:.75rem 1.5rem;font-weight:600;color:var(--text-muted);border-bottom:3px solid transparent;display:flex;align-items:center;gap:.5rem}.admin-tab:hover{color:var(--primary)}.admin-tab.active{color:var(--primary);border-bottom-color:var(--primary)}.admin-content{display:flex;justify-content:center}.admin-panel{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:2.5rem;width:100%;max-width:800px;box-shadow:0 4px 6px -1px #0000000d}.admin-panel.full-width{max-width:100%}.admin-panel h3{font-size:1.5rem;margin-bottom:1.5rem;color:var(--text-main);border-bottom:1px solid var(--border);padding-bottom:.75rem}.admin-form{display:flex;flex-direction:column;gap:1.5rem}.admin-form textarea,.admin-form input,.admin-form select{width:100%;padding:.875rem 1rem;border:1px solid var(--border);border-radius:8px;font-family:inherit;font-size:1rem;resize:vertical}.admin-form textarea:focus,.admin-form input:focus,.admin-form select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-light)}.alternatives-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem}.admin-btn-primary{background:var(--primary);color:#fff;padding:1rem;border-radius:8px;font-weight:700;font-size:1.1rem;margin-top:1rem;box-shadow:0 4px 6px #0284c733}.admin-btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px)}.table-responsive{overflow-x:auto}.admin-table{width:100%;border-collapse:collapse;text-align:left}.admin-table th,.admin-table td{padding:1rem;border-bottom:1px solid var(--border)}.admin-table th{background:var(--background);font-weight:700;color:var(--text-muted)}.truncate-text{max-width:300px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.badge.correct{background:var(--secondary-light);color:#065f46;padding:.25rem .5rem;border-radius:6px;font-size:.85rem;font-weight:700}.metrics-col{display:flex;flex-direction:column;gap:.25rem;font-size:.9rem;font-weight:600;color:var(--text-main)}.metrics-col span{display:flex;align-items:center;gap:.25rem}.actions-col{display:flex;gap:.75rem}.icon-button.edit{color:var(--primary)}.icon-button.edit:hover{background:var(--primary-light)}.icon-button.delete{color:var(--danger)}.icon-button.delete:hover{background:var(--danger-light)}.admin-modal{max-width:600px;width:90%;max-height:90vh;overflow-y:auto}@media(max-width:768px){.alternatives-grid{grid-template-columns:1fr}}.locked-visual-container{position:relative;width:120px;height:120px;margin:0 auto;border-radius:50%;overflow:hidden;border:3px solid #f59e0b;box-shadow:0 4px 12px #0003;background:#fff}.locked-visual-container.large{width:160px;height:160px;margin-bottom:2rem}.locked-bg-owl{width:100%;height:100%;object-fit:contain;display:block}.locked-overlay-mask{position:absolute;top:0;left:0;width:100%;height:100%;background-color:#00000080;display:flex;align-items:center;justify-content:center;color:#fff;transition:background-color .3s ease}.cms-content h1,.cms-content h2,.cms-content h3{color:var(--primary-dark);margin:1.5rem 0 1rem}.cms-content p{margin-bottom:1rem}.cms-content ul,.cms-content ol{padding-left:1.5rem;margin-bottom:1.5rem}.cms-content li{margin-bottom:.5rem}.cms-content strong{color:var(--text-main);font-weight:700}.cms-content a{color:var(--primary);text-decoration:underline}.ql-editor{min-height:200px;font-family:var(--font-sans)!important;font-size:1rem!important}@keyframes mentorShake{0%,to{transform:scale(1) rotate(0)}20%{transform:scale(1.1) rotate(-8deg)}40%{transform:scale(1.1) rotate(8deg)}60%{transform:scale(1.1) rotate(-8deg)}80%{transform:scale(1.1) rotate(8deg)}}.mentor-card:hover:not(.locked) .mentor-gif{animation:mentorShake .6s cubic-bezier(.36,.07,.19,.97) both;backface-visibility:hidden;perspective:1000px}.mentor-card.selected{box-shadow:0 0 15px var(--primary-light)}