:root{--bg-canvas:#121212;--bg-surface:#18181a;--bg-card:#1c1c1e;--border:#2c2c2e;--text-primary:#e8e8ea;--text-secondary:#a8a8ad;--text-faint:#7c7c81;--btn-blue:#3871ac;--btn-blue-hover:#174f90;--link-blue:#5b94d1;--link-blue-hover:#bfd7f2;--cta-red:#d83a2d;--cta-red-hover:#ba312b;--success:#0d875d;--success-hover:#127453;--warning:#facc15;--info:#06b6d4;--heading-h1:var(--cta-red);--heading-h2:var(--link-blue);--heading-h3:#72b3b1;--heading-h4:#fde047;--heading-h5:#aa8cd8}body{background-color:var(--bg-canvas);color:var(--text-primary)}h1{color:var(--heading-h1)}h2{color:var(--heading-h2)}h3{color:var(--heading-h3)}h4{color:var(--heading-h4)}h5{color:var(--heading-h5)}a{color:var(--link-blue)}a:hover,a:focus{color:var(--link-blue-hover)}.text-muted{color:var(--text-secondary)!important}.footer-copyright{color:var(--text-faint)}.footer-copyright .footer-brand{color:var(--link-blue);font-weight:600}.bg-dark{background-color:var(--bg-surface)!important}.navbar-brand{font-weight:600;color:var(--text-primary)}.navbar-brand:hover{color:var(--text-primary)}.navbar-dark .navbar-nav .nav-link{color:var(--text-secondary)}.navbar-dark .navbar-nav .nav-link:hover,.navbar-dark .navbar-nav .nav-link:focus,.navbar-dark .navbar-nav .nav-link.active{color:var(--text-primary)}.bg-light{background-color:var(--bg-card)!important;color:var(--text-primary)}.btn-primary{background-color:var(--btn-blue);border-color:var(--btn-blue)}.btn-primary:hover,.btn-primary:focus,.btn-primary:active{background-color:var(--btn-blue-hover)!important;border-color:var(--btn-blue-hover)!important}.btn-outline-secondary{color:var(--text-secondary);border-color:var(--border)}.btn-outline-secondary:hover,.btn-outline-secondary:focus,.btn-outline-secondary:active{background-color:var(--bg-surface)!important;border-color:var(--text-secondary)!important;color:var(--text-primary)!important}.btn-cta{background-color:var(--cta-red);border-color:var(--cta-red);color:#fff}.btn-cta:hover,.btn-cta:focus,.btn-cta:active{background-color:var(--cta-red-hover)!important;border-color:var(--cta-red-hover)!important;color:#fff!important}.card{background-color:var(--bg-card);border-color:var(--border);color:var(--text-primary)}.card-header{background-color:transparent;border-bottom-color:var(--border)}.alert-info{background-color:rgba(6,182,212,0.16);border-color:rgba(6,182,212,0.4);color:var(--text-primary)}.alert-warning{background-color:rgba(250,204,21,0.16);border-color:rgba(250,204,21,0.4);color:var(--text-primary)}.alert-danger{background-color:rgba(216,58,45,0.14);border-color:rgba(216,58,45,0.4);color:var(--text-primary)}.alert-success{background-color:rgba(13,135,93,0.16);border-color:rgba(13,135,93,0.4);color:var(--text-primary)}table{color:var(--text-primary);border-color:var(--border)}.table{--bs-table-bg:transparent;--bs-table-color:var(--text-primary);--bs-table-border-color:var(--border)}.form-control,.form-select{background-color:var(--bg-card);border-color:var(--border);color:var(--text-primary)}.form-control::placeholder{color:var(--text-faint)}.form-control:focus,.form-select:focus{background-color:var(--bg-card);border-color:var(--btn-blue);color:var(--text-primary);box-shadow:0 0 0 0.25rem rgba(56,113,172,0.25)}.form-control:disabled,.form-select:disabled{background-color:var(--bg-surface);color:var(--text-faint)}.dropdown-menu{background-color:var(--bg-card);border-color:var(--border)}.dropdown-item{color:var(--text-primary)}.dropdown-item:hover,.dropdown-item:focus{background-color:var(--bg-surface);color:var(--text-primary)}.list-group-item{background-color:var(--bg-card);border-color:var(--border);color:var(--text-primary)}a.list-group-item:hover,a.list-group-item:focus,label.list-group-item:hover{background-color:var(--bg-surface);color:var(--text-primary)}.bu-editor,.bu-fm-overlay{--border-color:var(--border);--darkened-bg:var(--bg-surface);--body-bg:var(--bg-card);--body-fg:var(--text-primary);--selected-bg:var(--bg-surface)}:root[data-bs-theme="light"]{--bg-canvas:#e4e9ee;--bg-surface:#d5dbdb;--bg-card:#f7f9fa;--border:#c3cbd1;--text-primary:#1a202c;--text-secondary:#4a5568;--text-faint:#5a6676;--btn-blue:#005b96;--btn-blue-hover:#00436f;--link-blue:#005b96;--link-blue-hover:#003d66;--cta-red:#a50034;--cta-red-hover:#7d0027;--success:#0b6b4a;--success-hover:#095a3e;--warning:#facc15;--info:#0a6579;--heading-h1:#a50034;--heading-h2:#005b96;--heading-h3:#195f5d;--heading-h4:#78350f;--heading-h5:#5a3d99}:root[data-bs-theme="light"] .form-control,:root[data-bs-theme="light"] .form-select{background-color:#ffffff}:root[data-bs-theme="light"] .form-control:focus,:root[data-bs-theme="light"] .form-select:focus{background-color:#ffffff;box-shadow:0 0 0 0.25rem rgba(0,91,150,0.25)}:root[data-bs-theme="light"] .text-light{color:var(--text-primary)!important}:root[data-bs-theme="light"]{--nav-bg:#00436f;--nav-text:#ffffff;--nav-text-muted:#d6e4ef;--nav-border:#6f9bbd}:root[data-bs-theme="light"] .navbar.bg-dark{background-color:var(--nav-bg)!important}:root[data-bs-theme="light"] .navbar .navbar-brand,:root[data-bs-theme="light"] .navbar .navbar-brand:hover{color:var(--nav-text)}:root[data-bs-theme="light"] .navbar-dark .navbar-nav .nav-link{color:var(--nav-text-muted)}:root[data-bs-theme="light"] .navbar-dark .navbar-nav .nav-link:hover,:root[data-bs-theme="light"] .navbar-dark .navbar-nav .nav-link:focus,:root[data-bs-theme="light"] .navbar-dark .navbar-nav .nav-link.active{color:var(--nav-text)}:root[data-bs-theme="light"] .navbar .theme-toggle{color:var(--nav-text-muted);border-color:var(--nav-border)}:root[data-bs-theme="light"] .navbar .theme-toggle:hover,:root[data-bs-theme="light"] .navbar .theme-toggle:focus-visible{color:var(--nav-text);border-color:var(--nav-text)}:root[data-bs-theme="light"] .alert-warning{background-color:rgba(250,204,21,0.3);border-color:rgba(250,204,21,0.7)}.theme-toggle{display:inline-flex;align-items:center;justify-content:center;width:2.25rem;height:2.25rem;padding:0;background:transparent;border:1px solid var(--border);border-radius:50%;color:var(--text-secondary);line-height:1}.theme-toggle:hover,.theme-toggle:focus-visible{color:var(--text-primary);border-color:var(--text-secondary)}.theme-toggle svg{width:1.1rem;height:1.1rem}.theme-toggle .icon-moon{display:none}:root[data-bs-theme="light"] .theme-toggle .icon-sun{display:none}:root[data-bs-theme="light"] .theme-toggle .icon-moon{display:inline}.site-logo-light{display:none}:root[data-bs-theme="light"] .site-logo-dark.site-logo-paired{display:none}:root[data-bs-theme="light"] .site-logo-light{display:inline-block}:root[data-bs-theme="light"] .btn-edit-profile:not(:hover):not(:focus-visible):not(:active){color:#0A5A73;border-color:#0A5A73;font-weight:500}.exam-start-panel{background-color:var(--bg-card);border:1px solid var(--border,#2c2c2e);border-radius:0.5rem;padding:1.25rem 1.5rem}@media (max-width:575.98px){.exam-start-panel{padding:1rem}}