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rgba(0,0,0,.1);--icon-primary-color:var(--primary-color);--icon-secondary-color:var(--secondary-color);--icon-color:var(--text-secondary)}body.dark-mode{--bg-body:#121212;--bg-primary:#1e1e1e;--bg-secondary:#2a2a2a;--bg-tertiary:#333;--bg-hero:linear-gradient(135deg,#1a2330,#121212);--bg-card:#1e1e1e;--bg-card-header:#2a2a2a;--bg-input:#2a2a2a;--bg-button-primary:var(--primary-color);--bg-button-primary-hover:var(--primary-color-hover);--bg-button-secondary:#495057;--bg-button-secondary-hover:#5a6268;--bg-button-outline:transparent;--bg-button-outline-hover:#343a40;--bg-accordion-button:#2a2a2a;--bg-accordion-button-active:#343a40;--bg-accordion-body:#1e1e1e;--bg-stat-icon:#2a3b50;--bg-progress-bar:var(--primary-color);--bg-progress-track:#333;--bg-chat-user:#2c3e50;--bg-chat-assistant:#2a2a2a;--bg-chat-thinking:#232a3f;--bg-chat-final-answer:#233f2a;--bg-code-block:hsla(0,0%,100%,.1);--bg-katex-container:#1e1e1e;--bg-badge-default:#3a3f44;--bg-badge-primary:var(--primary-color);--bg-badge-secondary:var(--secondary-color);--text-primary:#e0e0e0;--text-secondary:silver;--text-muted:#a0a0a0;--text-light-on-dark:#121212;--text-dark-on-light:#e0e0e0;--text-link:#70bdff;--text-link-hover:#a0d7ff;--text-button-primary:#fff;--text-button-outline:#e0e0e0;--text-button-outline-hover:#fff;--text-hero-title:#d1dcf0;--text-hero-subtitle:#b0b7c0;--text-stat-value:#e0e0e0;--text-accordion-button:#e0e0e0;--text-accordion-button-active:#8ccaff;--text-accordion-body:silver;--text-chat-user:#d1e7ff;--text-chat-assistant:#e0e0e0;--text-chat-thinking:#b0c0ff;--text-chat-thinking-header:#8ea8ff;--text-chat-final-answer-header:#7ce080;--text-badge-default:#e0e0e0;--text-badge-on-primary:#fff;--text-badge-on-secondary:#fff;--border-primary:#404040;--border-secondary:#333;--border-input:#505050;--border-chat-assistant:#404040;--border-chat-thinking:#6c8fff;--border-chat-final-answer:#4caf50;--shadow-card:0 4px 15px rgba(0,0,0,.3);--shadow-card-hover-subtle:0 8px 20px rgba(0,0,0,.35);--shadow-card-strong:0 5px 20px rgba(0,0,0,.4);--icon-primary-color:#70bdff;--icon-secondary-color:#a0a0a0;--icon-color:silver}body{background-color:var(--bg-body);color:var(--text-primary);transition:background-color .2s ease-in-out,color .2s ease-in-out}a{color:var(--text-link)}a:hover{color:var(--text-link-hover)}.text-muted{color:var(--text-muted)!important}.bg-light{background-color:var(--bg-tertiary)!important}.card{background-color:var(--bg-card);border:1px solid var(--border-primary);box-shadow:var(--shadow-card)}.card,.card-header{color:var(--text-primary)}.card-header{background-color:var(--bg-card-header);border-bottom:1px solid var(--border-primary)}.card-body{color:var(--text-primary)}.card-footer{background-color:var(--bg-card-header);border-top:1px solid var(--border-primary)}.btn-primary{background-color:var(--bg-button-primary);border-color:var(--bg-button-primary);color:var(--text-button-primary)}.btn-primary:hover{background-color:var(--bg-button-primary-hover);border-color:var(--bg-button-primary-hover)}.btn-outline-secondary{color:var(--text-button-outline);border-color:var(--border-secondary);background-color:var(--bg-button-outline)}.btn-outline-secondary:hover{color:var(--text-button-outline-hover);background-color:var(--bg-button-outline-hover);border-color:var(--primary-color)}.badge.bg-secondary{background-color:var(--bg-badge-secondary)!important;color:var(--text-badge-on-secondary)!important}.badge.bg-primary{background-color:var(--bg-badge-primary)!important;color:var(--text-badge-on-primary)!important}.badge.bg-light{background-color:var(--bg-badge-default)!important;color:var(--text-badge-default)!important}.form-control{background-color:var(--bg-input);color:var(--text-primary);border:1px solid var(--border-input)}.form-control::-moz-placeholder{color:var(--text-muted)}.form-control::placeholder{color:var(--text-muted)}.form-control:focus{border-color:var(--primary-color);box-shadow:0 0 0 .25rem color-mix(in srgb,var(--primary-color) 25%,transparent)}.form-control:focus,.form-select{background-color:var(--bg-input);color:var(--text-primary)}.form-select{border:1px solid var(--border-input)}.form-check-input:checked{background-color:var(--primary-color);border-color:var(--primary-color)}.form-check-input{background-color:var(--bg-secondary);border-color:var(--border-input)}.accordion-button{background-color:var(--bg-accordion-button);color:var(--text-accordion-button)}.accordion-button:not(.collapsed){background-color:var(--bg-accordion-button-active);color:var(--text-accordion-button-active)}.accordion-button:after,body.dark-mode .accordion-button:after{background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='var(--text-accordion-button)'%3E%3Cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3E%3C/svg%3E")}.accordion-body{background-color:var(--bg-accordion-body);color:var(--text-accordion-body)}.accordion-item,.dropdown-menu{background-color:var(--bg-card);border:1px solid var(--border-primary)}.dropdown-menu{box-shadow:var(--shadow-card-strong)}.dropdown-item{color:var(--text-primary)}.dropdown-item:focus,.dropdown-item:hover{color:var(--text-dark-on-light);background-color:var(--bg-tertiary)}.list-group-item{background-color:var(--bg-card);border-color:var(--border-primary);color:var(--text-primary)}.list-group-item-action:focus,.list-group-item-action:hover{background-color:var(--bg-secondary);color:var(--text-primary)}.progress{background-color:var(--bg-progress-track)}.progress-bar{background-color:var(--bg-progress-bar)}.spinner-border{color:var(--primary-color)}body.dark-mode .spinner-border{color:var(--icon-primary-color)}.alert-danger{color:color-mix(in srgb,var(--danger-color) 80%,#000);background-color:color-mix(in srgb,var(--danger-color) 15%,transparent);border-color:color-mix(in srgb,var(--danger-color) 30%,transparent)}.alert-warning{color:color-mix(in srgb,var(--warning-color) 80%,#000);background-color:color-mix(in srgb,var(--warning-color) 15%,transparent);border-color:color-mix(in srgb,var(--warning-color) 30%,transparent)}body.dark-mode .alert-danger{color:color-mix(in srgb,var(--danger-color) 80%,#fff);background-color:color-mix(in srgb,var(--danger-color) 25%,#121212);border-color:color-mix(in srgb,var(--danger-color) 50%,#121212)}body.dark-mode .alert-warning{color:color-mix(in srgb,var(--warning-color) 85%,#000);background-color:color-mix(in srgb,var(--warning-color) 25%,#121212);border-color:color-mix(in srgb,var(--warning-color) 50%,#121212)}.alert-info{color:color-mix(in srgb,var(--info-color) 70%,#000);background-color:color-mix(in srgb,var(--info-color) 15%,transparent);border-color:color-mix(in srgb,var(--info-color) 30%,transparent)}body.dark-mode .alert-info{color:color-mix(in srgb,var(--info-color) 80%,#fff);background-color:color-mix(in srgb,var(--info-color) 25%,#121212);border-color:color-mix(in srgb,var(--info-color) 50%,#121212)}.alert-success{color:color-mix(in srgb,var(--success-color) 70%,#000);background-color:color-mix(in srgb,var(--success-color) 15%,transparent);border-color:color-mix(in srgb,var(--success-color) 30%,transparent)}body.dark-mode .alert-success{color:color-mix(in srgb,var(--success-color) 80%,#fff);background-color:color-mix(in srgb,var(--success-color) 25%,#121212);border-color:color-mix(in srgb,var(--success-color) 50%,#121212)}.breadcrumb{background-color:var(--bg-secondary);border:1px solid var(--border-primary);border-radius:.5rem;padding:.75rem 1rem;margin-bottom:1.5rem}.breadcrumb-item a{color:var(--text-link)}.breadcrumb-item.active{color:var(--text-muted)}.hero-section[data-v-d7c91278]{background:var(--bg-hero);padding:3rem 0;border-radius:1rem;margin-bottom:3rem}.hero-title[data-v-d7c91278]{font-family:Poppins,sans-serif;font-weight:700;font-size:3rem;color:var(--text-hero-title);margin-bottom:1rem;line-height:1.2}.hero-subtitle[data-v-d7c91278]{font-size:1.25rem;color:var(--text-hero-subtitle);margin-bottom:2rem;font-weight:400}.hero-section .lead[data-v-d7c91278]{font-size:1.1rem;color:var(--text-muted)}.hero-image-container[data-v-d7c91278]{display:flex;justify-content:center;align-items:center}.hero-image[data-v-d7c91278]{max-width:100%;height:auto;max-height:450px;-o-object-fit:contain;object-fit:contain}body.dark-mode .hero-image[data-v-d7c91278]{filter:invert(.1) brightness(1.5) contrast(.95) saturate(.5)}.stats-overview[data-v-d7c91278]{background-color:var(--bg-primary);border-top:1px solid var(--border-secondary);border-bottom:1px solid var(--border-secondary)}.stat-card[data-v-d7c91278]{background-color:var(--bg-card);border-radius:12px;padding:25px;display:flex;align-items:center;box-shadow:var(--shadow-card);transition:transform .3s ease,box-shadow .3s ease;border:1px solid var(--border-secondary)}.stat-card[data-v-d7c91278]:hover{transform:translateY(-5px);box-shadow:var(--shadow-card-hover-subtle)}.stat-icon[data-v-d7c91278]{font-size:2.5rem;color:var(--icon-primary-color);margin-right:20px;background-color:var(--bg-stat-icon);border-radius:50%;width:60px;height:60px;display:flex;align-items:center;justify-content:center}.stat-value[data-v-d7c91278]{font-size:2rem;font-weight:700;color:var(--text-stat-value);margin-bottom:0}.stat-label[data-v-d7c91278]{font-size:1rem;color:var(--text-muted);margin-bottom:0}.level-selection[data-v-d7c91278]{background-color:var(--bg-secondary)}.section-title[data-v-d7c91278]{font-size:2.25rem;font-weight:600;color:var(--text-dark-on-light);font-family:Poppins,sans-serif}.exam-viewer-container[data-v-d7c91278]{background-color:var(--bg-card);border-radius:15px;box-shadow:var(--shadow-card-strong);overflow:hidden}.exam-viewer-tabs[data-v-d7c91278]{display:flex;background-color:var(--bg-tertiary);border-bottom:1px solid var(--border-primary);padding:10px 10px 0 10px}.exam-viewer-tab[data-v-d7c91278]{padding:15px 25px;cursor:pointer;font-size:1.1rem;font-weight:500;color:var(--text-secondary);border-bottom:3px solid transparent;transition:all .3s ease;margin-right:5px;border-radius:8px 8px 0 0;display:flex;align-items:center}.exam-viewer-tab .tab-icon[data-v-d7c91278]{margin-right:8px;font-size:1.2rem;color:var(--icon-color)}body.dark-mode .exam-viewer-tab .tab-icon[data-v-d7c91278]{color:var(--icon-secondary-color)}.exam-viewer-tab[data-v-d7c91278]:hover{background-color:var(--bg-secondary);color:var(--text-link-hover)}body.dark-mode .exam-viewer-tab:hover .tab-icon[data-v-d7c91278]{color:var(--text-link-hover)}.exam-viewer-tab.active[data-v-d7c91278]{color:var(--primary-color);background-color:var(--bg-card);border-bottom-color:var(--primary-color);font-weight:600}body.dark-mode .exam-viewer-tab.active .tab-icon[data-v-d7c91278]{color:var(--primary-color)}.exam-viewer-content[data-v-d7c91278]{padding:30px;background-color:var(--bg-card)}.selected-level-info h3[data-v-d7c91278]{font-size:1.75rem;font-weight:600;color:var(--text-dark-on-light);margin-bottom:.5rem}.selected-level-info p[data-v-d7c91278]{font-size:1.1rem;color:var(--text-muted);margin-bottom:2rem}.subject-card[data-v-d7c91278]{background-color:var(--bg-card);border:1px solid var(--border-primary);border-radius:12px;padding:25px;height:100%;display:flex;flex-direction:column;transition:transform .3s ease,box-shadow .3s ease;box-shadow:var(--shadow-card-hover-subtle)}.subject-card[data-v-d7c91278]:hover{transform:translateY(-5px);box-shadow:var(--shadow-card-strong)}.subject-header[data-v-d7c91278]{display:flex;align-items:center;margin-bottom:15px}.subject-icon[data-v-d7c91278]{font-size:1.8rem;color:var(--icon-primary-color);background-color:var(--bg-stat-icon);width:45px;height:45px;border-radius:8px;display:flex;align-items:center;justify-content:center;margin-right:15px}.subject-header h3[data-v-d7c91278]{font-size:1.4rem;font-weight:600;color:var(--text-dark-on-light);margin:0}.subject-code[data-v-d7c91278]{font-family:Menlo,Monaco,Consolas,Courier New,monospace;font-size:.8em;padding:2px 6px;border-radius:4px;color:var(--text-muted);margin-left:auto;background-color:var(--bg-tertiary)}.subject-stats[data-v-d7c91278]{margin-bottom:20px;border-top:1px solid var(--border-secondary);border-bottom:1px solid var(--border-secondary);padding:15px 0}.stat-item[data-v-d7c91278]{display:flex;align-items:center;font-size:.95rem;color:var(--text-secondary)}.stat-item i[data-v-d7c91278]{margin-right:8px;color:var(--icon-primary-color);font-size:1.1rem}.subject-card .btn[data-v-d7c91278]{margin-top:auto;font-weight:500}.faq-section[data-v-d7c91278]{background-color:var(--bg-primary);border-top:1px solid var(--border-secondary)}.faq-container[data-v-d7c91278]{max-width:900px;margin:0 auto}.accordion-item[data-v-d7c91278]{background-color:var(--bg-accordion-body);border:1px solid var(--border-primary);border-radius:8px;margin-bottom:15px;overflow:hidden;box-shadow:var(--shadow-button)}.accordion-header[data-v-d7c91278]{margin-bottom:0}.accordion-button[data-v-d7c91278]{font-weight:600;color:var(--text-accordion-button);background-color:var(--bg-accordion-button);border:none;box-shadow:none;padding:1.25rem 1.5rem;width:100%;text-align:left}.accordion-button[data-v-d7c91278]:focus{box-shadow:0 0 0 .2rem color-mix(in srgb,var(--primary-color) 25%,transparent)}.accordion-button[data-v-d7c91278]:not(.collapsed){color:var(--text-accordion-button-active);background-color:var(--bg-accordion-button-active)}.accordion-button[data-v-d7c91278]:after{background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='var(--text-accordion-button)'%3E%3Cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3E%3C/svg%3E")}.accordion-body[data-v-d7c91278]{padding:1.5rem;font-size:1rem;color:var(--text-accordion-body);line-height:1.6;background-color:var(--bg-accordion-body)}.container-fluid[data-v-d7c91278]{max-width:1600px;padding-left:var(--bs-gutter-x,.75rem);padding-right:var(--bs-gutter-x,.75rem);margin-left:auto;margin-right:auto}@media (max-width:576px){.hero-title[data-v-d7c91278]{white-space:normal!important;overflow:visible!important;text-overflow:clip!important;font-size:2rem!important;padding-right:15px}}