:root{--navi-orange:#f05c22;--navi-orange-hover:#d94e0f;--navi-orange-light:#fff2eb;--navi-orange-text:#c2410c;--navi-orange-dam:#c2410c;--navi-orange-subtle:#f05c2214;--navi-orange-gradient:linear-gradient(135deg, #ff7a3d 0%, #f05c22 100%);--navi-navy:#0e1b2e;--navi-navy-card:#15243b;--navi-navy-soft:#1e314f;--navi-navy-surface:#f0f4f8;--bg-app:#f8fafc;--skeleton-base:#f1f5f9;--skeleton-shine:#e2e8f0;--notif-unread-bg:#f0fdf4;--notif-unread-hover:#dcfce7;--bg-main:#f8fafc;--bg-card:#fff;--bg-card-hover:#fafcff;--border-color:#e2e8f0;--border-light:#f1f5f9;--text-main:#0f172a;--text-secondary:#475569;--text-muted:#94a3b8;--text-inverse:#fff;--color-success:#10b981;--color-success-bg:#ecfdf5;--color-success-border:#a7f3d0;--color-warning:#f59e0b;--color-warning-bg:#fffbeb;--color-warning-border:#fde68a;--color-danger:#ef4444;--color-danger-bg:#fef2f2;--color-danger-border:#fecaca;--color-success-text:#15803d;--color-warning-text:#b45309;--color-danger-text:#b91c1c;--color-info:#3b82f6;--color-info-bg:#eff6ff;--color-info-border:#bfdbfe;--font-display:"Nunito", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-body:"Nunito", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-weight-body:500;--font-weight-heading:800;--font-weight-button:800;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-card:0 4px 20px -2px #0e1b2e0f, 0 2px 6px -1px #0e1b2e0a;--shadow-hover:0 8px 25px -4px #0e1b2e1a, 0 4px 10px -2px #0e1b2e0a;--shadow-popup:0 20px 40px -10px #0e1b2e33;--depth-offset:4px;--navi-orange-depth:#c2410c;--depth-orange-soft:#f05c2259;--depth-neutral:#cbd5e1;--shadow-depth-primary:0 var(--depth-offset) 0 var(--navi-orange-depth);--shadow-depth-orange:0 3px 0 var(--depth-orange-soft);--shadow-depth-neutral:0 3px 0 var(--depth-neutral);--radius-sm:10px;--radius-md:14px;--radius-lg:20px;--radius-xl:24px;--radius-pill:9999px;--transition-fast:.15s ease;--transition-normal:.25s cubic-bezier(.16, 1, .3, 1)}.khu-on-thi,.vbt-hop{--radius-sm:8px;--radius-xl:22px;--navi-orange-gradient:linear-gradient(135deg, #ff7a30 0%, #f26522 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0}::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#94a3b8}h1,h2,h3,h4,h5,h6{font-family:var(--font-display);color:var(--navi-navy);font-weight:700;line-height:1.25}:is(h1,h2,h3,h4,h5,h6):where(:not(.khu-on-thi *,.vbt-hop *)){font-weight:var(--font-weight-heading)}.badge{border-radius:var(--radius-pill);align-items:center;gap:5px;padding:4px 10px;font-size:.75rem;font-weight:600;line-height:1.2;display:inline-flex}.badge-success{background-color:var(--color-success-bg);color:#065f46;border:1px solid var(--color-success-border)}.badge-warning{background-color:var(--color-warning-bg);color:#92400e;border:1px solid var(--color-warning-border)}.badge-danger{background-color:var(--color-danger-bg);color:#991b1b;border:1px solid var(--color-danger-border)}.badge-info{background-color:var(--color-info-bg);color:#1e40af;border:1px solid var(--color-info-border)}.badge-orange{background-color:var(--navi-orange-light);color:var(--navi-orange);border:1px solid #f2652233}.badge-navy{color:var(--navi-navy);background-color:#0e1b2e14}.navi-card{background:var(--bg-card);border-radius:var(--radius-lg);border:1px solid var(--border-color);box-shadow:var(--shadow-card);transition:transform var(--transition-fast), box-shadow var(--transition-fast);padding:1.25rem}.navi-card:hover{box-shadow:var(--shadow-hover)}.btn-primary{background:var(--navi-orange-gradient);color:#fff;font-family:var(--font-display);border-radius:var(--radius-md);transition:all var(--transition-fast);justify-content:center;align-items:center;gap:8px;min-height:44px;padding:11px 20px;font-size:.95rem;font-weight:600;display:inline-flex;box-shadow:0 4px 14px #f265224d}.btn-primary:hover{transform:translateY(-1px);box-shadow:0 6px 18px #f2652266}.btn-primary:active{transform:translateY(0)}.btn-secondary{color:var(--navi-navy);font-family:var(--font-display);border-radius:var(--radius-md);border:1px solid var(--border-color);transition:all var(--transition-fast);background:#f1f5f9;justify-content:center;align-items:center;gap:8px;min-height:44px;padding:10px 18px;font-size:.9rem;font-weight:600;display:inline-flex}.btn-secondary:hover{background:#e2e8f0}.btn-outline-orange{color:var(--navi-orange);font-family:var(--font-display);border-radius:var(--radius-md);border:1.5px solid var(--navi-orange);transition:all var(--transition-fast);background:0 0;justify-content:center;align-items:center;gap:8px;min-height:44px;padding:9px 18px;font-size:.9rem;font-weight:600;display:inline-flex}.btn-outline-orange:hover{background:var(--navi-orange-light)}.btn-outline-navy{color:var(--navi-navy);font-family:var(--font-display);border-radius:var(--radius-md);border:1.5px solid var(--border-color);transition:all var(--transition-fast);background:0 0;justify-content:center;align-items:center;gap:8px;min-height:44px;padding:9px 18px;font-size:.9rem;font-weight:600;display:inline-flex}.btn-outline-navy:hover{background:var(--navi-navy-surface);border-color:var(--navi-navy)}.btn-primary:where(:not(.khu-on-thi *)){background:var(--navi-orange);font-weight:var(--font-weight-button);box-shadow:var(--shadow-depth-primary)}.btn-primary:where(:not(.khu-on-thi *)):hover{filter:brightness(1.04);box-shadow:0 calc(var(--depth-offset) + 1px) 0 var(--navi-orange-depth);transform:translateY(-1px)}.btn-primary:where(:not(.khu-on-thi *)):active{transform:translateY(var(--depth-offset));box-shadow:0 0 0 var(--navi-orange-depth)}.btn-secondary:where(:not(.khu-on-thi *)),.btn-outline-navy:where(:not(.khu-on-thi *)){box-shadow:var(--shadow-depth-neutral);font-weight:700}.btn-outline-orange:where(:not(.khu-on-thi *)){box-shadow:var(--shadow-depth-orange);font-weight:700}:is(.btn-secondary,.btn-outline-navy,.btn-outline-orange):where(:not(.khu-on-thi *)):active{box-shadow:none;transform:translateY(3px)}@keyframes shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}.skeleton{background:linear-gradient(90deg, var(--skeleton-base) 25%, var(--skeleton-shine) 50%, var(--skeleton-base) 75%);border-radius:var(--radius-sm);background-size:200% 100%;animation:1.5s infinite shimmer}.skeleton-static{background:var(--skeleton-shine);border-radius:var(--radius-sm);animation:none}@keyframes livePulse{0%{transform:scale(.95);box-shadow:0 0 #f26522b3}70%{transform:scale(1);box-shadow:0 0 0 8px #f2652200}to{transform:scale(.95);box-shadow:0 0 #f2652200}}.live-dot{background-color:var(--navi-orange);border-radius:50%;width:9px;height:9px;animation:2s infinite livePulse;display:inline-block}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border-width:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.loading-spinner-wrap{justify-content:center;align-items:center;gap:8px;display:inline-flex}.dang-quay{animation:.8s linear infinite spin}.loading-spinner-circle{border:2.5px solid #f2652233;border-top-color:var(--navi-orange,#f26522);box-sizing:border-box;border-radius:50%;flex-shrink:0;animation:.8s linear infinite spin}.loading-spinner-circle.sm{border-width:2px;width:16px;height:16px}.loading-spinner-circle.md{border-width:3px;width:28px;height:28px}.loading-spinner-label{color:var(--text-secondary,#475569);font-size:.88rem;font-weight:500}.loading-spinner-circle.sm+.loading-spinner-label{font-size:.82rem}@media (prefers-reduced-motion:reduce){.skeleton,.skeleton-static{background:var(--skeleton-shine);animation:none}.loading-spinner-circle,.animate-spin,.live-dot{animation:none}.vocab-card-flipper{transition:none!important}:is(.btn-primary,.btn-secondary,.btn-outline-navy,.btn-outline-orange):where(:not(.khu-on-thi *)){transition:none}}:root{--bg-app:#f8fafc;--bg-card:#fff;--bg-surface:#fff;--bg-muted:#f8fafc;--border-color:#e2e8f0;--border-subtle:#e2e8f0;--border-input:#cbd5e1;--text-main:#0f172a;--text-primary:#0f172a;--text-secondary:#475569;--text-muted:#94a3b8;--article-der:#1d4ed8;--article-die:#dc2626;--article-das:#15803d;--article-neutral:var(--text-main,#0f172a)}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--bg-app:#0b1120;--bg-main:#0b1120;--bg-card:#1e293b;--bg-card-hover:#26354a;--bg-surface:#1e293b;--bg-muted:#0f172a;--border-color:#334155;--border-subtle:#334155;--border-light:#1e293b;--border-input:#475569;--text-main:#f8fafc;--text-primary:#f8fafc;--text-secondary:#cbd5e1;--text-muted:#94a3b8;--article-der:#60a5fa;--article-die:#f87171;--article-das:#4ade80;--article-neutral:#f8fafc;--color-success-bg:#10b98126;--color-success-border:#10b98166;--color-warning-bg:#f59e0b26;--color-warning-border:#f59e0b66;--color-danger-bg:#ef444426;--color-danger-border:#ef444466;--color-success-text:#86efac;--color-warning-text:#fcd34d;--color-danger-text:#fca5a5;--color-info-bg:#3b82f626;--color-info-border:#3b82f666;--navi-orange-light:#f2652226;--navi-orange-text:#fb923c;--depth-neutral:#0f172a;--course-card-current-bg:#1e293b;--skeleton-base:#1e293b;--skeleton-shine:#2a3a52;--notif-unread-bg:#10b9811f;--notif-unread-hover:#10b98133;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}:root:not([data-theme=light]) input:not([type=checkbox]):not([type=radio]):not([type=range]),:root:not([data-theme=light]) textarea,:root:not([data-theme=light]) select{background-color:var(--bg-card);color:var(--text-main)}:root:not([data-theme=light]) h1,:root:not([data-theme=light]) h2,:root:not([data-theme=light]) h3,:root:not([data-theme=light]) h4,:root:not([data-theme=light]) h5,:root:not([data-theme=light]) h6{color:var(--text-main)}:root:not([data-theme=light]) .badge-success{color:#34d399!important;background-color:#10b98133!important;border-color:#34d39959!important}:root:not([data-theme=light]) .badge-warning{color:#fbbf24!important;background-color:#f59e0b33!important;border-color:#fbbf2459!important}:root:not([data-theme=light]) .badge-danger{color:#f87171!important;background-color:#ef444433!important;border-color:#f8717159!important}:root:not([data-theme=light]) .badge-info{color:#60a5fa!important;background-color:#3b82f633!important;border-color:#60a5fa59!important}:root:not([data-theme=light]) .badge-orange{color:#fb923c!important;background-color:#f2652233!important;border-color:#fb923c59!important}:root:not([data-theme=light]) .badge-navy{color:#e2e8f0!important;background-color:#ffffff1a!important}:root:not([data-theme=light]) .btn-outline-navy{color:var(--text-main,#f8fafc)!important;border-color:var(--border-input,#475569)!important}:root:not([data-theme=light]) .btn-outline-navy:hover{background:#ffffff14!important;border-color:#64748b!important}:root:not([data-theme=light]) .btn-secondary{color:#f8fafc!important;background:#1e293b!important;border-color:#334155!important}:root:not([data-theme=light]) .btn-secondary:hover{background:#26354a!important}}[data-theme=dark]{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--bg-app:#0b1120!important;--bg-main:#0b1120!important;--bg-card:#1e293b!important;--bg-card-hover:#26354a!important;--bg-surface:#1e293b!important;--bg-muted:#0f172a!important;--border-color:#334155!important;--border-subtle:#334155!important;--border-light:#1e293b!important;--border-input:#475569!important;--text-main:#f8fafc!important;--text-primary:#f8fafc!important;--text-secondary:#cbd5e1!important;--text-muted:#94a3b8!important;--article-der:#60a5fa!important;--article-die:#f87171!important;--article-das:#4ade80!important;--article-neutral:#f8fafc!important;--color-success-bg:#10b98126!important;--color-success-border:#10b98166!important;--color-warning-bg:#f59e0b26!important;--color-warning-border:#f59e0b66!important;--color-danger-bg:#ef444426!important;--color-danger-border:#ef444466!important;--color-success-text:#86efac!important;--color-warning-text:#fcd34d!important;--color-danger-text:#fca5a5!important;--color-info-bg:#3b82f626!important;--color-info-border:#3b82f666!important;--navi-orange-light:#f2652226!important;--navi-orange-text:#fb923c!important;--depth-neutral:#0f172a!important;--course-card-current-bg:#1e293b!important;--skeleton-base:#1e293b!important;--skeleton-shine:#2a3a52!important;--notif-unread-bg:#10b9811f!important;--notif-unread-hover:#10b98133!important}[data-theme=dark] input:not([type=checkbox]):not([type=radio]):not([type=range]),[data-theme=dark] textarea,[data-theme=dark] select{background-color:var(--bg-card);color:var(--text-main)}[data-theme=dark] h1,[data-theme=dark] h2,[data-theme=dark] h3,[data-theme=dark] h4,[data-theme=dark] h5,[data-theme=dark] h6{color:var(--text-main)}[data-theme=dark] .badge-success{color:#34d399!important;background-color:#10b98133!important;border-color:#34d39959!important}[data-theme=dark] .badge-warning{color:#fbbf24!important;background-color:#f59e0b33!important;border-color:#fbbf2459!important}[data-theme=dark] .badge-danger{color:#f87171!important;background-color:#ef444433!important;border-color:#f8717159!important}[data-theme=dark] .badge-info{color:#60a5fa!important;background-color:#3b82f633!important;border-color:#60a5fa59!important}[data-theme=dark] .badge-orange{color:#fb923c!important;background-color:#f2652233!important;border-color:#fb923c59!important}[data-theme=dark] 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(width>=1024px){.thi-thu-teil1-layout{grid-template-columns:1.05fr 1fr;align-items:start;gap:24px;display:grid}.thi-thu-reading-sticky{max-height:calc(100vh - 120px);padding-right:4px;position:sticky;top:90px;overflow-y:auto}}}.admin-thi-thu-table-desktop{display:block}.admin-thi-thu-cards-mobile{display:none}@media (width<=767px){.admin-thi-thu-table-desktop{display:none!important}.admin-thi-thu-cards-mobile{flex-direction:column;gap:12px;padding:12px;display:flex!important}}.thi-thu-reading-title{color:#c2410c;margin-bottom:6px;font-size:.875rem;font-weight:700}[data-theme=dark] .thi-thu-reading-title{color:#fb923c}@media (prefers-color-scheme:dark){:where(:root:not([data-theme=light])) .thi-thu-reading-title{color:#fb923c}}body.dang-lam-bai .mobile-bottom-nav,body.dang-lam-bai .mobile-top-header{display:none!important}body.dang-lam-bai .main-viewport{padding-bottom:0}.thi-thu-cho-thanh-duoi{height:calc(76px + env(safe-area-inset-bottom,0px))}:root{--nv-font:"Be Vietnam Pro", "Segoe 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var(--border-color);border-radius:var(--radius-md);cursor:pointer;background:#fff;align-items:center;gap:10px;padding:9px 12px;transition:all .15s;display:flex}.dash-task-card:hover{background:#f8fafc;border-color:#cbd5e1}.pill-val{color:var(--navi-navy);font-size:.88rem;font-weight:800}.pill-lbl{color:#64748b;font-size:.75rem}@media (width<=899px){.app-layout,.app-body-layout,.main-viewport{box-sizing:border-box;width:100%;max-width:100vw;overflow-x:clip}.founder-bar{box-sizing:border-box;width:100%;max-width:100vw;padding:6px 10px;font-size:.74rem;overflow-x:hidden}.founder-bar-brand{gap:5px;font-size:.72rem}.founder-bar-controls{gap:4px;width:100%;max-width:100%}.founder-select{width:100%;max-width:100%;padding:3px 6px;font-size:.72rem}.mobile-top-header{box-sizing:border-box;width:100%;max-width:100vw;padding:8px 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#00000040}.login-brand{color:#fff;border-bottom:2px solid var(--navi-orange);background:#0e1b2e;align-items:center;gap:14px;padding:24px;display:flex}.login-title{color:#fff;letter-spacing:.04em;margin:0;font-size:1.1rem;font-weight:800}.login-subtitle{color:#94a3b8;margin:2px 0 0;font-size:.76rem}.login-form-wrapper{padding:28px 24px}.login-heading{color:var(--text-main,#0e1b2e);margin:0 0 6px;font-size:1.15rem;font-weight:700}.login-instruction{color:var(--text-secondary);margin:0 0 20px;font-size:.82rem}.login-error-box{color:#dc2626;background:#fef2f2;border:1px solid #fecaca;border-radius:8px;align-items:center;gap:8px;margin-bottom:16px;padding:10px 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#f2652226}.login-submit-btn{background:var(--navi-orange);color:#fff;cursor:pointer;border:none;border-radius:8px;justify-content:center;align-items:center;gap:8px;min-height:48px;margin-top:4px;padding:12px;font-size:1rem;font-weight:700;transition:opacity .15s;display:flex}.login-submit-btn:hover:not(:disabled){opacity:.92}.login-submit-btn:disabled{opacity:.6;cursor:not-allowed}.form-input-co-nut{padding-right:48px}.login-hien-mat-khau{width:44px;height:44px;color:var(--text-muted,#64748b);cursor:pointer;background:0 0;border:none;border-radius:8px;justify-content:center;align-items:center;display:inline-flex;position:absolute;right:2px}.login-quen-mat-khau{color:var(--navi-orange);align-self:flex-end;padding:8px 0;font-size:.85rem;font-weight:500;text-decoration:none}.login-can-giup{border:1px solid var(--border-color,#e2e8f0);min-height:44px;color:var(--text-main,#0e1b2e);border-radius:8px;justify-content:center;align-items:center;gap:8px;margin-top:16px;font-size:.88rem;font-weight:600;text-decoration:none;display:flex}@media (prefers-color-scheme:dark){:root:not([data-theme=light]) .login-error-box{color:#fca5a5;background:#dc262626;border-color:#f8717173}}[data-theme=dark] .login-error-box{color:#fca5a5;background:#dc262626;border-color:#f8717173}.login-footer-note{color:var(--text-muted,#64748b);text-align:center;margin-top:20px;font-size:.75rem;line-height:1.4}.animate-spin{animation:1s linear infinite spin}.score-band-note{color:var(--text-muted);margin-top:8px;font-size:.78rem}.skills-grid{grid-template-columns:repeat(2,1fr);gap:10px;margin-bottom:1.5rem;display:grid}@media (width>=640px){.skills-grid{grid-template-columns:repeat(3,1fr);gap:12px}}@media (width>=1024px){.skills-grid{grid-template-columns:repeat(6,1fr)}}.skill-card{border:1px solid var(--border-color);border-radius:var(--radius-md);transition:transform var(--transition-fast);background:#fff;flex-direction:column;justify-content:space-between;padding:12px;display:flex}.skill-card:hover{box-shadow:var(--shadow-sm);transform:translateY(-2px)}.skill-card-header{justify-content:space-between;align-items:center;margin-bottom:8px;display:flex}.skill-card-name{color:var(--navi-navy);font-size:.85rem;font-weight:600}.skill-card-value{color:var(--navi-navy);margin-bottom:4px;font-size:1.15rem;font-weight:700}.skill-card-empty{color:var(--text-muted);margin-bottom:4px;font-size:.82rem;font-weight:500}.skill-progress-track{background:#e2e8f0;border-radius:3px;width:100%;height:5px;margin-top:6px;overflow:hidden}.skill-progress-bar{background:var(--navi-orange);border-radius:3px;height:100%;transition:width .3s}.classroom-eval-blurred-card{border:1px dashed var(--border-color);background:linear-gradient(135deg,#f8fafccc 0%,#f1f5f9cc 100%);margin-bottom:1.5rem;position:relative;overflow:hidden}.classroom-eval-header{justify-content:space-between;align-items:center;margin-bottom:8px;display:flex}.result-mobile-card{border:1px solid var(--border-color);border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-fast);background:#fff;padding:12px 14px}.result-mobile-card:hover,.result-mobile-card:active{border-color:var(--navi-orange);background:#fafcff;transform:translateY(-1px)}.journey-compact-container{border:1px solid var(--border-color);box-sizing:border-box;background:#fff;border-radius:12px;width:100%;margin-bottom:.85rem;padding:10px 14px;box-shadow:0 1px 3px #00000008}.journey-compact-header{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:2px 12px;margin-bottom:8px;display:flex}.journey-compact-title{color:var(--text-main,var(--navi-navy));align-items:center;gap:6px;font-size:.78rem;font-weight:700;display:flex}.journey-compact-title .journey-icon{color:var(--navi-orange)}.journey-compact-summary{color:var(--navi-orange);white-space:nowrap;font-size:.75rem;font-weight:600}.journey-track-scroll{-webkit-overflow-scrolling:touch;scrollbar-width:none;padding:2px 0 4px;overflow-x:auto}.journey-track-scroll::-webkit-scrollbar{display:none}.journey-track-row{align-items:center;gap:6px;min-width:max-content;display:flex}.journey-chip{white-space:nowrap;transition:all var(--transition-fast);-webkit-user-select:none;user-select:none;border-radius:9999px;align-items:center;gap:6px;padding:6px 12px;font-size:.8rem;display:inline-flex}.journey-chip.completed{color:#166534;background:#f0fdf4;border:1px solid #bbf7d0;font-weight:600}.journey-chip.current{border:1.5px solid var(--navi-orange);color:var(--navi-navy);background:#fff7ed;font-weight:700;box-shadow:0 1px 4px #f2652226}.journey-chip.upcoming{color:#64748b;background:#f8fafc;border:1px solid #e2e8f0;font-weight:500}.journey-chip.has-desc{cursor:pointer}.journey-chip.has-desc:hover{border-color:var(--navi-navy);transform:translateY(-1px)}.journey-chip.expanded{border-color:var(--navi-navy);background:#f1f5f9}.journey-chip-icon.success{color:#16a34a;align-items:center;display:inline-flex}.journey-chip-title{display:inline-block}.journey-chip-badge{color:var(--navi-orange);align-items:center;gap:4px;margin-left:2px;font-size:.72rem;font-weight:600;display:inline-flex}.journey-chip-badge .dot{background:var(--navi-orange);border-radius:50%;width:6px;height:6px}.journey-chip-badge .pct{font-weight:700}.journey-action-btn{background:var(--navi-orange);color:#fff;cursor:pointer;transition:background var(--transition-fast);border:none;border-radius:9999px;padding:2px 8px;font-size:.72rem;font-weight:600}.journey-action-btn:hover{background:var(--navi-orange-hover)}.journey-track-arrow{color:#94a3b8;align-items:center;display:inline-flex}.journey-inline-desc{border-left:3px solid var(--navi-orange);color:#334155;background:#f8fafc;border-radius:4px;margin-top:8px;padding:8px 12px;font-size:.78rem;line-height:1.4}.journey-full-card{margin-bottom:1.5rem}.journey-full-header{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px;margin-bottom:16px;display:flex}.journey-full-title{color:var(--navi-navy);align-items:center;gap:8px;margin:0;font-size:1.15rem;display:flex}.journey-full-sub{color:var(--text-secondary);margin:3px 0 0;font-size:.8rem}.roadmap-content-card{transition:all var(--transition-fast);border-radius:12px;padding:14px}.roadmap-content-card.current{background:#fff9f5;border:1.5px solid #ffdfc7}.roadmap-content-card.completed{background:#f0fdf4;border:1px solid #dcfce7}.roadmap-content-card.upcoming{background:#f8fafc;border:1px solid #e2e8f0}.roadmap-title-row{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.roadmap-stage-title{color:var(--navi-navy);margin:0;font-size:1rem}.journey-khoa-con{flex-wrap:wrap;gap:6px;margin:8px 0 0;padding:0;list-style:none;display:flex}.journey-khoa-con-item{border-radius:var(--radius-pill,999px);border:1px solid var(--border-color,#e2e8f0);background:var(--bg-app,#f8fafc);color:var(--text-secondary,#475569);align-items:center;gap:5px;padding:4px 10px;font-size:.78rem;display:inline-flex}.journey-khoa-con-ten{color:var(--text-main,#0f172a);font-weight:700}.journey-khoa-con-item.dang{border-color:var(--navi-orange,#f26522);background:var(--navi-orange-light,#fff2eb);color:var(--navi-orange,#f26522)}.journey-khoa-con-item.xong{border-color:var(--color-success-border,#86efac);background:var(--color-success-bg,#f0fdf4);color:#059669}.journey-stage-course{color:var(--navi-navy);margin-top:4px;font-size:.82rem}.journey-stage-meta{color:var(--text-secondary);margin-top:4px;font-size:.78rem}.roadmap-stage-desc{color:var(--text-secondary);margin:6px 0 0;font-size:.82rem;line-height:1.4}.journey-action-row{margin-top:10px}.notification-bell-container{align-items:center;display:inline-flex;position:relative}.notification-bell-btn{border:1px solid var(--border-color);width:36px;height:36px;color:var(--navi-navy);cursor:pointer;transition:all var(--transition-fast);background:#fff;border-radius:50%;justify-content:center;align-items:center;padding:0;display:inline-flex;position:relative}.notification-bell-btn:hover,.notification-bell-btn.active{background:var(--navi-orange-light);color:var(--navi-orange);border-color:#f265224d}.notification-bell-btn:focus-visible{outline:2px solid var(--navi-orange,#f26522);outline-offset:2px}.notification-badge{background:var(--ui-error-fill);color:var(--ui-text-on-brand);border:2px solid var(--ui-chrome);border-radius:999px;justify-content:center;align-items:center;min-width:17px;height:17px;padding:0 4px;font-size:.65rem;font-weight:600;line-height:1;display:flex;position:absolute;top:-3px;right:-3px;box-shadow:0 1px 3px #00000026}.notification-backdrop{-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);z-index:998;background:#0f172a66;position:fixed;inset:0}.notification-panel{background:var(--bg-card,#fff);border-radius:var(--radius-lg);border:1px solid var(--border-color);z-index:999;flex-direction:column;display:flex;overflow:hidden;box-shadow:0 20px 25px -5px #0000001a,0 10px 10px -5px #0000000a}.notification-dropdown{width:360px;max-height:480px;position:absolute;top:calc(100% + 8px);right:0}@media (width<=767px){.notification-sheet{border-bottom:none;border-left:none;border-right:none;border-bottom-right-radius:0;border-bottom-left-radius:0;max-height:85vh;animation:.25s cubic-bezier(.16,1,.3,1) slideUpSheet;position:fixed;inset:auto 0 0}@keyframes slideUpSheet{0%{transform:translateY(100%)}to{transform:translateY(0)}}}.notification-panel-header{border-bottom:1px solid var(--border-color);background:var(--bg-card,#fff);justify-content:space-between;align-items:center;padding:12px 16px;display:flex}.notification-panel-title{color:var(--text-main,var(--navi-navy));font-size:.95rem;font-weight:700}.notification-count-tag{background:var(--navi-orange-light);color:var(--navi-orange);border-radius:999px;padding:2px 7px;font-size:.7rem;font-weight:700}.notification-action-btn{color:var(--navi-orange);cursor:pointer;border-radius:var(--radius-sm);background:0 0;border:none;align-items:center;gap:4px;padding:4px 6px;font-size:.75rem;font-weight:600;display:inline-flex}.notification-action-btn:hover{background:var(--navi-orange-light)}.notification-btn-close,.notification-btn-back{border-radius:var(--radius-sm);width:28px;height:28px;color:var(--text-secondary);cursor:pointer;background:0 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0 0;font-size:.8rem;line-height:1.4;display:-webkit-box;overflow:hidden}.notification-item-time{color:#94a3b8;margin-top:4px;font-size:.72rem;display:block}.notification-detail-view{padding:18px 20px}.notification-detail-meta{justify-content:space-between;align-items:center;margin-bottom:8px;display:flex}.notification-detail-tag{color:#ea580c;background:#fff7ed;border-radius:999px;padding:2px 8px;font-size:.72rem;font-weight:700}.notification-detail-time{color:#94a3b8;font-size:.75rem}.notification-detail-title{color:var(--text-main,var(--navi-navy));margin:0 0 12px;font-size:1rem;font-weight:800;line-height:1.4}.notification-detail-content{color:var(--text-secondary,#334155);white-space:pre-wrap;word-break:break-word;font-size:.88rem;line-height:1.6}.notification-detail-back-btn{border-radius:var(--radius-md);background:var(--navi-orange);color:#fff;cursor:pointer;transition:background var(--transition-fast);border:none;padding:8px 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12px);left:0;right:auto}.vocab-word-root{align-items:baseline;gap:6px;font-weight:700;line-height:1.3;display:inline-flex}.vocab-article-der{color:var(--article-der,#1d4ed8)}.vocab-article-die{color:var(--article-die,#dc2626)}.vocab-article-das{color:var(--article-das,#15803d)}.vocab-article-neutral{color:var(--article-neutral,var(--text-main,#0f172a))}.vocab-plural-badge{color:var(--text-muted,#64748b);background:#0000000d;border-radius:4px;padding:2px 6px;font-size:.68rem;font-weight:600}[data-theme=dark] .vocab-plural-badge{color:var(--text-secondary,#94a3b8);background:#ffffff1a}.screen-vocab-container{max-width:1200px;margin:0 auto;padding:20px 24px 80px}.vocab-header-banner{background:linear-gradient(135deg, var(--navi-navy,#0e1b2e) 0%, #1e293b 100%);color:#fff;border-radius:16px;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;margin-bottom:24px;padding:24px 28px;display:flex;box-shadow:0 4px 16px #0e1b2e1f}.vocab-badge-kpi{color:#f8fafc;background:#ffffff1f;border-radius:999px;align-items:center;gap:6px;margin-bottom:8px;padding:4px 10px;font-size:.75rem;font-weight:700;display:inline-flex}.vocab-main-title{color:#fff;margin-bottom:6px;font-size:1.5rem;font-weight:800}.vocab-main-subtitle{color:#cbd5e1;font-size:.88rem}.vocab-btn-collection{background:var(--navi-orange,#f26522);color:#fff;cursor:pointer;transition:all var(--transition-fast);white-space:nowrap;border:none;border-radius:10px;align-items:center;gap:8px;padding:10px 18px;font-size:.9rem;font-weight:700;display:inline-flex;box-shadow:0 4px 12px #f2652240}.vocab-btn-collection:hover{background:var(--navi-orange-hover,#d94e0f);transform:translateY(-1px)}.vocab-recommended-section{margin-bottom:24px}.vocab-recommended-card{background:var(--bg-card,#fff);border:2px solid var(--navi-orange,#f26522);border-radius:16px;padding:20px 24px;box-shadow:0 4px 20px #f2652214}.vocab-recommended-tag{letter-spacing:.05em;color:var(--navi-orange,#f26522);background:var(--navi-orange-light,#fff2eb);border-radius:999px;align-items:center;gap:6px;margin-bottom:12px;padding:3px 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#0000000a}.vocab-quiz-subhead{color:var(--text-secondary,#475569);margin-bottom:12px;font-size:.82rem;display:block}.vocab-quiz-word{margin-bottom:10px}.vocab-quiz-plural-hint{color:var(--text-muted,#64748b);font-size:.82rem}.vocab-quiz-options-grid{flex-direction:column;gap:12px;margin-bottom:20px;display:flex}.vocab-quiz-option-btn{background:var(--bg-card,#fff);border:1.5px solid var(--border-color,#e2e8f0);color:var(--text-main,#0f172a);text-align:left;cursor:pointer;transition:all var(--transition-fast);border-radius:12px;align-items:center;gap:14px;padding:14px 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0;border:none;border-radius:6px;padding:4px;position:absolute;top:14px;right:14px}.vocab-album-modal-close:hover{background:var(--hover-bg,#f1f5f9)}.vocab-album-modal-num{color:var(--text-muted,#94a3b8);margin-bottom:6px;font-size:12px;font-weight:700;display:block}.vocab-album-modal-de{word-break:break-word;margin:0 0 8px;font-size:24px;font-weight:800}.vocab-album-modal-vi{color:var(--text-secondary,#64748b);word-break:break-word;margin:0 0 12px;font-size:16px}.vocab-album-modal-plural{color:var(--text-secondary,#64748b);margin:0 0 14px;font-size:14px}.vocab-album-modal-example{background:var(--hover-bg,#f8fafc);border-left:3px solid var(--navi-navy,#002855);border-radius:0 8px 8px 0;margin-top:12px;padding:10px 14px}.vocab-album-example-de{color:var(--text-main,#0f172a);word-break:break-word;font-size:14px;font-weight:600;line-height:1.4}.vocab-album-example-vi{color:var(--text-secondary,#64748b);word-break:break-word;margin-top:4px;font-size:13px}.vocab-album-modal-review-note{color:#b45309;background:#fef3c7;border-radius:8px;align-items:center;gap:8px;margin-top:14px;padding:10px;font-size:12px;line-height:1.4;display:flex}.vocab-album-modal.empty-prompt{text-align:center}.vocab-album-prompt-icon{justify-content:center;margin:0 auto 12px;display:flex}.vocab-album-modal-title{color:var(--text-main,#0f172a);word-break:break-word;margin:0 0 8px;font-size:17px;font-weight:700}.vocab-album-modal-desc{color:var(--text-secondary,#64748b);margin:0 0 20px;font-size:14px}.vocab-album-modal-actions{justify-content:center;gap:10px;display:flex}.vocab-sticker-toast{color:#fff;z-index:9999;pointer-events:none;box-sizing:border-box;background:#002855;border-radius:999px;align-items:center;gap:10px;max-width:90vw;padding:12px 20px;font-size:14px;animation:.3s ease-out vocabToastSlideUp;display:flex;position:fixed;bottom:24px;left:50%;transform:translate(-50%);box-shadow:0 8px 24px #00285559}.vocab-sticker-toast-icon{color:#eab308;flex-shrink:0;display:flex}.vocab-sticker-toast-text{word-break:break-word}@keyframes vocabToastSlideUp{0%{opacity:0;transform:translate(-50%,20px)}to{opacity:1;transform:translate(-50%)}}@media (prefers-reduced-motion:reduce){.vocab-sticker-toast{animation:none!important}.vocab-album-slot,.vocab-album-card{transition:none!important}}.vocab-btn-album-action{border:1.5px solid var(--navi-navy,#002855);width:100%;color:var(--navi-navy,#002855);cursor:pointer;box-sizing:border-box;background:#0028550a;border-radius:10px;justify-content:center;align-items:center;gap:8px;padding:12px;font-size:14px;font-weight:600;transition:all .15s;display:inline-flex}.vocab-btn-album-action:hover{background:#0028551a}[data-theme=dark] .vocab-collection-title,[data-theme=dark] .vocab-album-card-title,[data-theme=dark] .vocab-album-level-title,[data-theme=dark] .vocab-album-page-title,[data-theme=dark] .vocab-album-modal-title{color:#f8fafc!important}[data-theme=dark] .vocab-album-intro{background:var(--bg-card,#1e293b);border-color:var(--border-color,#334155);color:var(--text-secondary,#94a3b8)}[data-theme=dark] .vocab-album-card{background:var(--bg-card,#1e293b);border-color:var(--border-color,#334155)}[data-theme=dark] .vocab-album-card.complete{background:linear-gradient(180deg, #eab3081f 0%, var(--bg-card,#1e293b) 100%);border-color:#eab308}[data-theme=dark] .vocab-album-card-badge{color:#93c5fd;background:#ffffff1a}[data-theme=dark] .vocab-album-badge-complete{color:#fef08a;background:#854d0e;border-color:#ca8a04}[data-theme=dark] .vocab-album-slot.collected{background:var(--bg-card,#1e293b);border-color:var(--border-color,#334155);color:#f8fafc}[data-theme=dark] .vocab-album-slot.collected.needs-review{border-color:#f59e0b;background:#f59e0b24!important}[data-theme=dark] .vocab-album-badge-review{color:#fde68a;background:#78350f;border:1px solid #d97706}[data-theme=dark] .vocab-album-slot-vi{color:#94a3b8}[data-theme=dark] .vocab-album-slot.empty{border-color:var(--border-color,#334155);background:#1e293b99}[data-theme=dark] .vocab-album-modal{background:var(--bg-card,#1e293b);border:1px solid var(--border-color,#334155);color:#f8fafc}[data-theme=dark] .vocab-album-modal-vi,[data-theme=dark] .vocab-album-modal-desc,[data-theme=dark] .vocab-album-modal-plural{color:#94a3b8}[data-theme=dark] .vocab-album-modal-example{background:#0f172a99;border-left-color:#3b82f6}[data-theme=dark] .vocab-album-example-de{color:#f8fafc}[data-theme=dark] .vocab-album-example-vi{color:#94a3b8}[data-theme=dark] .vocab-btn-album-action{color:#93c5fd;background:#60a5fa1a;border-color:#60a5fa}[data-theme=dark] .vocab-btn-album-action:hover{background:#60a5fa2e}@media (prefers-color-scheme:dark){:root:not([data-theme=light]) .vocab-collection-title,:root:not([data-theme=light]) .vocab-album-card-title,:root:not([data-theme=light]) .vocab-album-level-title,:root:not([data-theme=light]) .vocab-album-page-title,:root:not([data-theme=light]) .vocab-album-modal-title{color:#f8fafc}:root:not([data-theme=light]) .vocab-album-intro{background:var(--bg-card,#1e293b);border-color:var(--border-color,#334155);color:var(--text-secondary,#94a3b8)}:root:not([data-theme=light]) .vocab-album-card{background:var(--bg-card,#1e293b);border-color:var(--border-color,#334155)}:root:not([data-theme=light]) .vocab-album-card.complete{background:linear-gradient(180deg, #eab3081f 0%, var(--bg-card,#1e293b) 100%);border-color:#eab308}:root:not([data-theme=light]) .vocab-album-card-badge{color:#93c5fd;background:#ffffff1a}:root:not([data-theme=light]) .vocab-album-badge-complete{color:#fef08a;background:#854d0e;border-color:#ca8a04}:root:not([data-theme=light]) .vocab-album-slot.collected{background:var(--bg-card,#1e293b);border-color:var(--border-color,#334155);color:#f8fafc}:root:not([data-theme=light]) .vocab-album-slot.collected.needs-review{border-color:#f59e0b;background:#f59e0b24!important}:root:not([data-theme=light]) .vocab-album-badge-review{color:#fde68a;background:#78350f;border:1px solid #d97706}:root:not([data-theme=light]) .vocab-album-slot-vi{color:#94a3b8}:root:not([data-theme=light]) .vocab-album-slot.empty{border-color:var(--border-color,#334155);background:#1e293b99}:root:not([data-theme=light]) .vocab-album-modal{background:var(--bg-card,#1e293b);border:1px solid var(--border-color,#334155);color:#f8fafc}:root:not([data-theme=light]) .vocab-album-modal-vi,:root:not([data-theme=light]) .vocab-album-modal-desc,:root:not([data-theme=light]) .vocab-album-modal-plural{color:#94a3b8}:root:not([data-theme=light]) .vocab-album-modal-example{background:#0f172a99;border-left-color:#3b82f6}:root:not([data-theme=light]) .vocab-album-example-de{color:#f8fafc}:root:not([data-theme=light]) .vocab-album-example-vi{color:#94a3b8}:root:not([data-theme=light]) .vocab-btn-album-action{color:#93c5fd;background:#60a5fa1a;border-color:#60a5fa}:root:not([data-theme=light]) .vocab-match-card-btn{background:var(--bg-card,#1e293b);border-color:var(--border-color,#334155);color:#f8fafc}:root:not([data-theme=light]) .vocab-match-vi-text{color:#f8fafc}:root:not([data-theme=light]) .vocab-match-key-hint{color:#94a3b8;background:#334155}:root:not([data-theme=light]) .vocab-match-card-btn.selected{border-color:var(--navi-orange,#f26522)!important;background:#f2652226!important}:root:not([data-theme=light]) .vocab-match-card-btn.matched{background:#22c55e2e!important;border-color:#22c55e66!important}:root:not([data-theme=light]) .vocab-match-card-btn.error{background:#ef444433!important;border-color:#ef444480!important}:root:not([data-theme=light]) .vocab-album-progress-summary{color:#fb923c;background:#f2652226;border-color:#f2652259}:root:not([data-theme=light]) .vocab-album-card-pending{color:#fb923c}:root:not([data-theme=light]) .vocab-album-dot.dot-empty{color:#475569}:root:not([data-theme=light]) .vocab-album-dot.dot-filled{color:#fb923c}:root:not([data-theme=light]) .vocab-card-image-frame,:root:not([data-theme=light]) .vocab-quiz-image-frame,:root:not([data-theme=light]) .vocab-album-slot-thumb,:root:not([data-theme=light]) .vocab-album-modal-image-frame{background:#0f172a;border-color:#334155}:root:not([data-theme=light]) .vocab-user-album-header-card,:root:not([data-theme=light]) .vocab-user-album-item,:root:not([data-theme=light]) .vocab-quickadd-section-card{background:#1e293b!important;border-color:#334155!important}:root:not([data-theme=light]) .vocab-user-album-header-title,:root:not([data-theme=light]) .vocab-quickadd-title,:root:not([data-theme=light]) .vocab-quickadd-label,:root:not([data-theme=light]) .vocab-quickadd-suggestion-title,:root:not([data-theme=light]) .vocab-quickadd-card-de,:root:not([data-theme=light]) .vocab-card-row-vi{color:#f8fafc!important}:root:not([data-theme=light]) .vocab-quickadd-subtitle,:root:not([data-theme=light]) .vocab-quickadd-suggestion-sub,:root:not([data-theme=light]) .vocab-user-album-stats,:root:not([data-theme=light]) .vocab-card-row-plural,:root:not([data-theme=light]) .vocab-quickadd-card-vi{color:#cbd5e1!important}:root:not([data-theme=light]) .vocab-quickadd-suggestion-box{background:#2563eb26!important;border-color:#60a5fa59!important}:root:not([data-theme=light]) .vocab-quickadd-suggestion-card{background:#1e293b!important;border-color:#334155!important}:root:not([data-theme=light]) .vocab-quickadd-input,:root:not([data-theme=light]) .vocab-quickadd-select,:root:not([data-theme=light]) .vocab-quickadd-textarea,:root:not([data-theme=light]) .vocab-album-modal input,:root:not([data-theme=light]) .vocab-album-modal textarea,:root:not([data-theme=light]) .vocab-album-modal select{color:#f8fafc!important;background:#0f172a!important;border-color:#334155!important}:root:not([data-theme=light]) .vocab-card-custom-badge{color:#e2e8f0!important;background:#334155!important}:root:not([data-theme=light]) .vocab-card-row-example{color:#cbd5e1!important;background:#0f172a!important;border-color:#334155!important}:root:not([data-theme=light]) .vocab-card-row{background:#1e293b!important;border-color:#334155!important}:root:not([data-theme=light]) .vocab-quickadd-art-btn{background:#0f172a!important;border-color:#334155!important}:root:not([data-theme=light]) .vocab-quickadd-art-btn.art-der{color:#93c5fd!important}:root:not([data-theme=light]) .vocab-quickadd-art-btn.art-die{color:#fca5a5!important}:root:not([data-theme=light]) .vocab-quickadd-art-btn.art-das{color:#86efac!important}:root:not([data-theme=light]) .vocab-quickadd-art-btn.is-active.art-der{color:#93c5fd!important;background:#2563eb40!important;border-color:#60a5fa!important}:root:not([data-theme=light]) .vocab-quickadd-art-btn.is-active.art-die{color:#fca5a5!important;background:#dc262640!important;border-color:#f87171!important}:root:not([data-theme=light]) .vocab-quickadd-art-btn.is-active.art-das{color:#86efac!important;background:#16a34a40!important;border-color:#4ade80!important}:root:not([data-theme=light]) .vocab-quickadd-art-none-btn{color:#cbd5e1!important;border-color:#334155!important}:root:not([data-theme=light]) .vocab-quickadd-art-none-btn.is-active{color:#f8fafc!important;background:#1e293b!important;border-color:#475569!important}:root:not([data-theme=light]) .notification-bell-btn{color:#f8fafc!important;background:#1e293b!important;border-color:#334155!important}:root:not([data-theme=light]) .notification-panel,:root:not([data-theme=light]) .notification-panel-header{background:#1e293b!important;border-color:#334155!important}:root:not([data-theme=light]) .notification-panel-title{color:#f8fafc!important}:root:not([data-theme=light]) .page-header-title{color:var(--text-main,#f8fafc)!important}:root:not([data-theme=light]) .page-header-sub{color:var(--text-secondary,#cbd5e1)!important}:root:not([data-theme=light]) .dash-greeting-name,:root:not([data-theme=light]) .dash-section-title{color:var(--text-main,#f8fafc)!important}:root:not([data-theme=light]) .dash-task-counter{color:#cbd5e1!important;background:#0f172a!important}:root:not([data-theme=light]) .dash-task-card{background:var(--bg-card,#1e293b)!important;border-color:var(--border-color,#334155)!important}:root:not([data-theme=light]) .dash-task-card:hover{background:#26354a!important;border-color:#475569!important}:root:not([data-theme=light]) .pill-val{color:var(--text-main,#f8fafc)!important}:root:not([data-theme=light]) .pill-lbl{color:var(--text-secondary,#cbd5e1)!important}:root:not([data-theme=light]) .schedule-free-title{color:var(--text-main,#f8fafc)!important}:root:not([data-theme=light]) .schedule-session-card{background:var(--bg-card,#1e293b)!important;border-color:var(--border-color,#334155)!important}:root:not([data-theme=light]) .schedule-note-box{background:#0f172a!important;border-color:#334155!important}:root:not([data-theme=light]) .schedule-note-box strong{color:#f8fafc!important}:root:not([data-theme=light]) [data-testid=course-card]{background:var(--bg-card,#1e293b)!important;border-color:var(--border-color,#334155)!important}:root:not([data-theme=light]) [data-testid=course-card].is-current{border-color:var(--navi-orange)!important}:root:not([data-theme=light]) [data-testid=course-card] h3{color:var(--text-main,#f8fafc)!important}:root:not([data-theme=light]) [data-testid=course-card] p{color:var(--text-secondary,#cbd5e1)!important}:root:not([data-theme=light]) [data-testid=course-card] span{color:var(--text-secondary,#cbd5e1)}:root:not([data-theme=light]) .course-group-header{background:var(--bg-muted,#0f172a)!important}:root:not([data-theme=light]) .course-group-body{background:var(--bg-card,#1e293b)!important}:root:not([data-theme=light]) .course-card-meta{color:var(--text-secondary,#cbd5e1)!important}:root:not([data-theme=light]) .course-detail-lektion-card{background:var(--bg-card,#1e293b)!important;border-color:var(--border-color,#334155)!important}:root:not([data-theme=light]) .course-detail-lektion-header{background:var(--bg-muted,#0f172a)!important}:root:not([data-theme=light]) .course-detail-lektion-title{color:var(--text-main,#f8fafc)!important}:root:not([data-theme=light]) .course-subitem-row{background:var(--bg-card,#1e293b)!important;border-color:var(--border-color,#334155)!important}:root:not([data-theme=light]) .course-subitem-title{color:var(--text-main,#f8fafc)!important}:root:not([data-theme=light]) .kpi-card-header{color:var(--text-secondary,#cbd5e1)!important}:root:not([data-theme=light]) .kpi-card-value{color:var(--text-main,#f8fafc)!important}:root:not([data-theme=light]) .kpi-card-footer{color:var(--text-secondary,#cbd5e1)!important}:root:not([data-theme=light]) .kpi-card-icon{color:#fb923c!important;background:#f2652233!important}:root:not([data-theme=light]) .score-band-note{color:var(--text-secondary,#cbd5e1)!important}:root:not([data-theme=light]) .skill-card{background:var(--bg-card,#1e293b)!important;border-color:var(--border-color,#334155)!important}:root:not([data-theme=light]) .skill-card-name{color:var(--text-secondary,#cbd5e1)!important}:root:not([data-theme=light]) .skill-card-value{color:var(--text-main,#f8fafc)!important}:root:not([data-theme=light]) .skill-progress-track{background:#334155!important}:root:not([data-theme=light]) .result-mobile-card{background:var(--bg-card,#1e293b)!important;border-color:var(--border-color,#334155)!important;color:#f8fafc!important}:root:not([data-theme=light]) .result-mobile-card:hover{background:#26354a!important}:root:not([data-theme=light]) .results-table th{color:#cbd5e1!important;background:#0f172a!important;border-color:#334155!important}:root:not([data-theme=light]) .results-table td{color:#f8fafc!important;border-color:#334155!important}:root:not([data-theme=light]) .results-table tr:hover td{background:#26354a!important}:root:not([data-theme=light]) .vocab-filter-btn{color:#f8fafc!important;background:#1e293b!important;border-color:#334155!important}:root:not([data-theme=light]) .vocab-filter-btn:hover{border-color:var(--navi-orange)!important;color:var(--navi-orange)!important}:root:not([data-theme=light]) .vocab-filter-btn.active{background:var(--navi-orange)!important;border-color:var(--navi-orange)!important;color:#0e1b2e!important;font-weight:700!important}:root:not([data-theme=light]) .vocab-deck-card{background:var(--bg-card,#1e293b)!important;border-color:var(--border-color,#334155)!important}:root:not([data-theme=light]) .vocab-deck-card:hover{border-color:var(--navi-orange)!important;background:#26354a!important}:root:not([data-theme=light]) .vocab-deck-title{color:var(--text-main,#f8fafc)!important}:root:not([data-theme=light]) .vocab-deck-desc,:root:not([data-theme=light]) .vocab-deck-meta{color:var(--text-secondary,#cbd5e1)!important}:root:not([data-theme=light]) .vocab-group-title{color:var(--text-main,#f8fafc)!important}:root:not([data-theme=light]) .journey-compact-container{background:var(--bg-card,#1e293b)!important;border-color:var(--border-color,#334155)!important}:root:not([data-theme=light]) .journey-compact-title{color:var(--text-main,#f8fafc)!important}:root:not([data-theme=light]) .journey-chip.upcoming{color:#cbd5e1!important;background:#0f172a!important;border-color:#334155!important}:root:not([data-theme=light]) .journey-chip.completed{color:#34d399!important;background:#10b98133!important;border-color:#34d3994d!important}:root:not([data-theme=light]) .journey-chip.current{border-color:var(--navi-orange)!important;color:#f8fafc!important;background:#f2652233!important}:root:not([data-theme=light]) .journey-full-card{background:var(--bg-card,#1e293b)!important;border-color:var(--border-color,#334155)!important}:root:not([data-theme=light]) .journey-full-title{color:var(--text-main,#f8fafc)!important}:root:not([data-theme=light]) .journey-full-sub{color:var(--text-secondary,#cbd5e1)!important}:root:not([data-theme=light]) .roadmap-content-card.upcoming{background:#0f172a!important;border-color:#334155!important}:root:not([data-theme=light]) .roadmap-content-card.current{background:#f2652226!important;border-color:#f2652266!important}:root:not([data-theme=light]) .roadmap-content-card.completed{background:#10b98126!important;border-color:#10b98166!important}:root:not([data-theme=light]) .roadmap-stage-title{color:var(--text-main,#f8fafc)!important}:root:not([data-theme=light]) .journey-stage-course,:root:not([data-theme=light]) .roadmap-stage-desc{color:var(--text-secondary,#cbd5e1)!important}:root:not([data-theme=light]) .journey-inline-desc{color:#cbd5e1!important;border-left-color:var(--navi-orange)!important;background:#0f172a!important}}[data-theme=dark] .vocab-match-card-btn{background:var(--bg-card,#1e293b);border-color:var(--border-color,#334155);color:#f8fafc}[data-theme=dark] .vocab-match-vi-text{color:#f8fafc}[data-theme=dark] .vocab-match-key-hint{color:#94a3b8;background:#334155}[data-theme=dark] .vocab-match-card-btn.selected{border-color:var(--navi-orange,#f26522)!important;background:#f2652226!important}[data-theme=dark] .vocab-match-card-btn.matched{background:#22c55e2e!important;border-color:#22c55e66!important}[data-theme=dark] .vocab-match-card-btn.error{background:#ef444433!important;border-color:#ef444480!important}[data-theme=dark] .vocab-album-progress-summary{color:#fb923c;background:#f2652226;border-color:#f2652259}[data-theme=dark] .vocab-album-card-pending{color:#fb923c}[data-theme=dark] .vocab-album-dot.dot-empty{color:#475569}[data-theme=dark] .vocab-album-dot.dot-filled{color:#fb923c}[data-theme=dark] .vocab-card-image-frame,[data-theme=dark] .vocab-quiz-image-frame,[data-theme=dark] .vocab-album-slot-thumb,[data-theme=dark] .vocab-album-modal-image-frame{background:#0f172a;border-color:#334155}[data-theme=dark] .vocab-user-album-header-card,[data-theme=dark] .vocab-user-album-item,[data-theme=dark] .vocab-quickadd-section-card{background:#1e293b!important;border-color:#334155!important}[data-theme=dark] .vocab-user-album-header-title,[data-theme=dark] .vocab-quickadd-title,[data-theme=dark] .vocab-quickadd-label,[data-theme=dark] .vocab-quickadd-suggestion-title,[data-theme=dark] .vocab-quickadd-card-de,[data-theme=dark] .vocab-card-row-vi{color:#f8fafc!important}[data-theme=dark] .vocab-quickadd-subtitle,[data-theme=dark] .vocab-quickadd-suggestion-sub,[data-theme=dark] .vocab-user-album-stats,[data-theme=dark] .vocab-card-row-plural,[data-theme=dark] .vocab-quickadd-card-vi{color:#cbd5e1!important}[data-theme=dark] .vocab-quickadd-suggestion-box{background:#2563eb26!important;border-color:#60a5fa59!important}[data-theme=dark] .vocab-quickadd-suggestion-card{background:#1e293b!important;border-color:#334155!important}[data-theme=dark] .vocab-quickadd-input,[data-theme=dark] .vocab-quickadd-select,[data-theme=dark] .vocab-quickadd-textarea,[data-theme=dark] .vocab-album-modal input,[data-theme=dark] .vocab-album-modal textarea,[data-theme=dark] .vocab-album-modal select{color:#f8fafc!important;background:#0f172a!important;border-color:#334155!important}[data-theme=dark] .vocab-card-custom-badge{color:#e2e8f0!important;background:#334155!important}[data-theme=dark] .vocab-card-row-example{color:#cbd5e1!important;background:#0f172a!important;border-color:#334155!important}[data-theme=dark] .vocab-card-row{background:#1e293b!important;border-color:#334155!important}[data-theme=dark] .vocab-quickadd-art-btn{background:#0f172a!important;border-color:#334155!important}[data-theme=dark] .vocab-quickadd-art-btn.art-der{color:#93c5fd!important}[data-theme=dark] .vocab-quickadd-art-btn.art-die{color:#fca5a5!important}[data-theme=dark] .vocab-quickadd-art-btn.art-das{color:#86efac!important}[data-theme=dark] .vocab-quickadd-art-btn.is-active.art-der{color:#93c5fd!important;background:#2563eb40!important;border-color:#60a5fa!important}[data-theme=dark] .vocab-quickadd-art-btn.is-active.art-die{color:#fca5a5!important;background:#dc262640!important;border-color:#f87171!important}[data-theme=dark] .vocab-quickadd-art-btn.is-active.art-das{color:#86efac!important;background:#16a34a40!important;border-color:#4ade80!important}[data-theme=dark] .vocab-quickadd-art-none-btn{color:#cbd5e1!important;border-color:#334155!important}[data-theme=dark] .vocab-quickadd-art-none-btn.is-active{color:#f8fafc!important;background:#1e293b!important;border-color:#475569!important}[data-theme=dark] .notification-bell-btn{color:#f8fafc!important;background:#1e293b!important;border-color:#334155!important}[data-theme=dark] .notification-panel,[data-theme=dark] .notification-panel-header{background:#1e293b!important;border-color:#334155!important}[data-theme=dark] .notification-panel-title{color:#f8fafc!important}[data-theme=dark] .page-header-title{color:var(--text-main,#f8fafc)!important}[data-theme=dark] .page-header-sub{color:var(--text-secondary,#cbd5e1)!important}[data-theme=dark] .dash-greeting-name,[data-theme=dark] .dash-section-title{color:var(--text-main,#f8fafc)!important}[data-theme=dark] .dash-task-counter{color:#cbd5e1!important;background:#0f172a!important}[data-theme=dark] .dash-task-card{background:var(--bg-card,#1e293b)!important;border-color:var(--border-color,#334155)!important}[data-theme=dark] .dash-task-card:hover{background:#26354a!important;border-color:#475569!important}[data-theme=dark] .pill-val{color:var(--text-main,#f8fafc)!important}[data-theme=dark] .pill-lbl{color:var(--text-secondary,#cbd5e1)!important}[data-theme=dark] .schedule-free-title{color:var(--text-main,#f8fafc)!important}[data-theme=dark] .schedule-session-card{background:var(--bg-card,#1e293b)!important;border-color:var(--border-color,#334155)!important}[data-theme=dark] .schedule-note-box{background:#0f172a!important;border-color:#334155!important}[data-theme=dark] .schedule-note-box strong{color:#f8fafc!important}[data-theme=dark] [data-testid=course-card]{background:var(--bg-card,#1e293b)!important;border-color:var(--border-color,#334155)!important}[data-theme=dark] [data-testid=course-card].is-current{border-color:var(--navi-orange)!important}[data-theme=dark] [data-testid=course-card] h3{color:var(--text-main,#f8fafc)!important}[data-theme=dark] [data-testid=course-card] p{color:var(--text-secondary,#cbd5e1)!important}[data-theme=dark] [data-testid=course-card] span{color:var(--text-secondary,#cbd5e1)}[data-theme=dark] .course-group-header{background:var(--bg-muted,#0f172a)!important}[data-theme=dark] .course-group-body{background:var(--bg-card,#1e293b)!important}[data-theme=dark] .course-card-meta{color:var(--text-secondary,#cbd5e1)!important}[data-theme=dark] .course-detail-lektion-card{background:var(--bg-card,#1e293b)!important;border-color:var(--border-color,#334155)!important}[data-theme=dark] .course-detail-lektion-header{background:var(--bg-muted,#0f172a)!important}[data-theme=dark] .course-detail-lektion-title{color:var(--text-main,#f8fafc)!important}[data-theme=dark] .course-subitem-row{background:var(--bg-card,#1e293b)!important;border-color:var(--border-color,#334155)!important}[data-theme=dark] .course-subitem-title{color:var(--text-main,#f8fafc)!important}[data-theme=dark] .kpi-card-header{color:var(--text-secondary,#cbd5e1)!important}[data-theme=dark] .kpi-card-value{color:var(--text-main,#f8fafc)!important}[data-theme=dark] .kpi-card-footer{color:var(--text-secondary,#cbd5e1)!important}[data-theme=dark] .kpi-card-icon{color:#fb923c!important;background:#f2652233!important}[data-theme=dark] .score-band-note{color:var(--text-secondary,#cbd5e1)!important}[data-theme=dark] .skill-card{background:var(--bg-card,#1e293b)!important;border-color:var(--border-color,#334155)!important}[data-theme=dark] .skill-card-name{color:var(--text-secondary,#cbd5e1)!important}[data-theme=dark] .skill-card-value{color:var(--text-main,#f8fafc)!important}[data-theme=dark] .skill-progress-track{background:#334155!important}[data-theme=dark] .result-mobile-card{background:var(--bg-card,#1e293b)!important;border-color:var(--border-color,#334155)!important;color:#f8fafc!important}[data-theme=dark] .result-mobile-card:hover{background:#26354a!important}[data-theme=dark] .results-table th{color:#cbd5e1!important;background:#0f172a!important;border-color:#334155!important}[data-theme=dark] .results-table td{color:#f8fafc!important;border-color:#334155!important}[data-theme=dark] .results-table tr:hover td{background:#26354a!important}[data-theme=dark] .vocab-filter-btn{color:#f8fafc!important;background:#1e293b!important;border-color:#334155!important}[data-theme=dark] .vocab-filter-btn:hover{border-color:var(--navi-orange)!important;color:var(--navi-orange)!important}[data-theme=dark] .vocab-filter-btn.active{background:var(--navi-orange)!important;border-color:var(--navi-orange)!important;color:#0e1b2e!important;font-weight:700!important}[data-theme=dark] .vocab-deck-card{background:var(--bg-card,#1e293b)!important;border-color:var(--border-color,#334155)!important}[data-theme=dark] .vocab-deck-card:hover{border-color:var(--navi-orange)!important;background:#26354a!important}[data-theme=dark] .vocab-deck-title{color:var(--text-main,#f8fafc)!important}[data-theme=dark] .vocab-deck-desc,[data-theme=dark] .vocab-deck-meta{color:var(--text-secondary,#cbd5e1)!important}[data-theme=dark] .vocab-group-title{color:var(--text-main,#f8fafc)!important}[data-theme=dark] .journey-compact-container{background:var(--bg-card,#1e293b)!important;border-color:var(--border-color,#334155)!important}[data-theme=dark] .journey-compact-title{color:var(--text-main,#f8fafc)!important}[data-theme=dark] .journey-chip.upcoming{color:#cbd5e1!important;background:#0f172a!important;border-color:#334155!important}[data-theme=dark] .journey-chip.completed{color:#34d399!important;background:#10b98133!important;border-color:#34d3994d!important}[data-theme=dark] .journey-chip.current{border-color:var(--navi-orange)!important;color:#f8fafc!important;background:#f2652233!important}[data-theme=dark] .journey-full-card{background:var(--bg-card,#1e293b)!important;border-color:var(--border-color,#334155)!important}[data-theme=dark] .journey-full-title{color:var(--text-main,#f8fafc)!important}[data-theme=dark] .journey-full-sub{color:var(--text-secondary,#cbd5e1)!important}[data-theme=dark] .roadmap-content-card.upcoming{background:#0f172a!important;border-color:#334155!important}[data-theme=dark] .roadmap-content-card.current{background:#f2652226!important;border-color:#f2652266!important}[data-theme=dark] .roadmap-content-card.completed{background:#10b98126!important;border-color:#10b98166!important}[data-theme=dark] .roadmap-stage-title{color:var(--text-main,#f8fafc)!important}[data-theme=dark] .journey-stage-course,[data-theme=dark] .roadmap-stage-desc{color:var(--text-secondary,#cbd5e1)!important}[data-theme=dark] .journey-inline-desc{color:#cbd5e1!important;border-left-color:var(--navi-orange)!important;background:#0f172a!important}@media (prefers-color-scheme:dark){:root:not([data-theme=light]) .course-opening-card{background:#1e293b!important;border-color:#334155!important;box-shadow:0 4px 12px #0000004d!important}:root:not([data-theme=light]) .dash-suggested-opening-banner{border-color:#334155!important;border-left-color:var(--navi-orange)!important;background:#1e293b!important}:root:not([data-theme=light]) .public-lich-khai-giang-page{color:#f8fafc!important;background:#0b1120!important}}[data-theme=dark] .course-opening-card{background:#1e293b!important;border-color:#334155!important;box-shadow:0 4px 12px #0000004d!important}[data-theme=dark] .dash-suggested-opening-banner{border-color:#334155!important;border-left-color:var(--navi-orange)!important;background:#1e293b!important}[data-theme=dark] .public-lich-khai-giang-page{color:#f8fafc!important;background:#0b1120!important}.course-opening-suggested-badge{color:#c2410c;background:#fff7ed;border:1px solid #ffedd5}@media (prefers-color-scheme:dark){:root:not([data-theme=light]) .course-opening-suggested-badge{color:#fb923c!important;background:#f265222e!important;border:1px solid #f2652259!important}}[data-theme=dark] .course-opening-suggested-badge{color:#fb923c!important;background:#f265222e!important;border:1px solid #f2652259!important}.article-game-wrap{box-sizing:border-box;width:100%;max-width:680px;margin:0 auto}.article-game-huong-dan{color:var(--text-secondary,#475569);text-align:center;margin:-12px 0 0;font-size:.9rem}.article-game-card{box-sizing:border-box;background:var(--bg-card,#fff);border:1px solid var(--border-color,#e2e8f0);width:100%;box-shadow:var(--shadow-md,0 4px 12px #0000000d);border-radius:20px;flex-direction:column;align-items:center;gap:32px;margin-top:16px;padding:36px 24px;display:flex}.article-game-prompt-box{text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:10px;width:100%;min-height:120px;display:flex}.article-game-bare-word{color:var(--text-main,#0f172a);letter-spacing:-.02em;font-size:2.2rem;font-weight:800}.article-game-revealed{letter-spacing:-.02em;font-size:2.2rem;font-weight:800;animation:.25s cubic-bezier(.16,1,.3,1) fadeInPop}.article-revealed-art{margin-right:4px;font-weight:900}.article-revealed-plural{opacity:.85;font-size:1.25rem;font-weight:600}.article-game-vi{color:var(--text-muted,#64748b);font-size:1.1rem;font-weight:500}.article-buttons-grid{grid-template-columns:repeat(3,1fr);gap:16px;width:100%;max-width:480px;display:grid}.article-btn{cursor:pointer;background:var(--bg-surface,#f8fafc);-webkit-user-select:none;user-select:none;border:2.5px solid #0000;border-radius:14px;outline:none;justify-content:center;align-items:center;min-height:64px;padding:16px 8px;font-size:1.35rem;font-weight:800;transition:all .2s cubic-bezier(.16,1,.3,1);display:flex}.article-btn:disabled{cursor:default}main .article-buttons-grid .article-btn{min-height:64px}.article-btn.btn-der{color:var(--article-der,#1d4ed8);border-color:var(--article-der,#1d4ed8);background:#1d4ed80d}.article-btn.btn-der:hover:not(:disabled){background:#1d4ed81f;transform:translateY(-2px)}.article-btn.btn-die{color:var(--article-die,#dc2626);border-color:var(--article-die,#dc2626);background:#dc26260d}.article-btn.btn-die:hover:not(:disabled){background:#dc26261f;transform:translateY(-2px)}.article-btn.btn-das{color:var(--article-das,#15803d);border-color:var(--article-das,#15803d);background:#15803d0d}.article-btn.btn-das:hover:not(:disabled){background:#15803d1f;transform:translateY(-2px)}.article-btn.btn-der.is-correct{transform:scale(1.04);box-shadow:0 0 16px #1d4ed866;background:var(--article-der,#1d4ed8)!important;color:#fff!important;border-color:var(--article-der,#1d4ed8)!important}.article-btn.btn-die.is-correct{transform:scale(1.04);box-shadow:0 0 16px #dc262666;background:var(--article-die,#dc2626)!important;color:#fff!important;border-color:var(--article-die,#dc2626)!important}.article-btn.btn-das.is-correct{transform:scale(1.04);box-shadow:0 0 16px #15803d66;background:var(--article-das,#15803d)!important;color:#fff!important;border-color:var(--article-das,#15803d)!important}.article-btn.is-wrong{animation:.45s cubic-bezier(.36,.07,.19,.97) both articleShake;color:#dc2626!important;background:#fee2e2!important;border-color:#ef4444!important}[data-theme=dark] .article-btn.is-wrong{color:#f87171!important;background:#7f1d1d!important;border-color:#ef4444!important}@keyframes articleShake{10%,90%{transform:translate(-2px)}20%,80%{transform:translate(3px)}30%,50%,70%{transform:translate(-4px)}40%,60%{transform:translate(4px)}}@keyframes fadeInPop{0%{opacity:0;transform:scale(.92)}to{opacity:1;transform:scale(1)}}.article-wrong-list-box{background:var(--bg-surface,#f8fafc);border:1px solid 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6px;font-size:.75rem;font-weight:800;display:inline-block}.article-badge.badge-der{background:var(--article-der,#1d4ed8)}.article-badge.badge-die{background:var(--article-die,#dc2626)}.article-badge.badge-das{background:var(--article-das,#15803d)}.article-wrong-vi{color:var(--text-muted,#64748b);margin-top:2px;font-size:.85rem}.vocab-mini-play-btn.article-play-btn{color:var(--article-das,#15803d);border-color:#15803d40}.vocab-mini-play-btn.article-play-btn:hover{border-color:var(--article-das,#15803d);background:#15803d14}.vocab-rec-btn-play.fourth{color:var(--article-das,#15803d);background:#15803d0d;border-color:#15803d4d}.vocab-rec-btn-play.fourth:hover{border-color:var(--article-das,#15803d);background:#15803d1f}@media (width<=480px){.article-game-card{gap:24px;padding:24px 14px}.article-game-bare-word,.article-game-revealed{font-size:1.75rem}.article-buttons-grid{gap:10px}.article-btn{padding:14px 4px;font-size:1.15rem}}.review-session-container{max-width:680px;margin:0 auto;padding:1.5rem 1rem}.review-card-wrapper{flex-direction:column;align-items:center;gap:1.5rem;margin-top:1.5rem;display:flex}.review-flashcard{background:var(--bg-card,#fff);border:2px solid var(--border-color,#e2e8f0);cursor:pointer;text-align:center;-webkit-user-select:none;user-select:none;border-radius:16px;flex-direction:column;justify-content:center;align-items:center;width:100%;min-height:280px;padding:2rem 1.5rem;transition:all .2s;display:flex;box-shadow:0 4px 16px #0000000f}.review-flashcard:hover{border-color:var(--navi-orange,#f26522);box-shadow:0 6px 20px #f265221f}.review-card-deck-badge{text-transform:uppercase;letter-spacing:.5px;color:var(--navi-orange,#f26522);background:#f265221a;border-radius:20px;margin-bottom:1.25rem;padding:4px 10px;font-size:.75rem;font-weight:600;display:inline-block}.review-word-german{margin-bottom:1rem;font-size:2rem;font-weight:700}.review-flip-hint{color:var(--text-muted,#64748b);margin-top:1rem;font-size:.85rem}.review-card-back{flex-direction:column;align-items:center;gap:.75rem;width:100%;display:flex}.review-word-german-back{font-size:1.6rem;font-weight:700}.review-plural-text{color:var(--text-muted,#64748b);font-size:1.1rem;font-weight:500}.review-word-vietnamese{color:var(--navi-orange,#f26522);font-size:1.35rem;font-weight:600}.review-example-box{background:var(--bg-hover,#f8fafc);border-radius:8px;width:100%;max-width:480px;margin-top:.5rem;padding:.75rem 1rem}.review-example-de{color:var(--text-main,#0f172a);margin-bottom:.25rem;font-size:.92rem;font-style:italic}.review-example-vi{color:var(--text-muted,#64748b);font-size:.82rem}.review-action-buttons{gap:1rem;width:100%;max-width:480px;display:flex}.review-btn{white-space:nowrap;cursor:pointer;border:1px solid #0000;border-radius:12px;flex:1;justify-content:center;align-items:center;gap:8px;min-height:52px;padding:.85rem 1.25rem;font-size:1rem;font-weight:600;transition:all .2s;display:inline-flex}.review-btn-sai{color:#b91c1c;background:#fee2e2;border:1px solid #fca5a5}.review-btn-sai:hover:not(:disabled){background:#fca5a5;transform:translateY(-1px)}.review-btn-dung{color:#15803d;background:#dcfce7;border:1px solid #86efac}.review-btn-dung:hover:not(:disabled){background:#86efac;transform:translateY(-1px)}.review-btn:disabled{opacity:.6;cursor:not-allowed}.review-summary-card{background:var(--bg-card,#fff);border:1px solid var(--border-color,#e2e8f0);text-align:center;border-radius:16px;margin-top:2rem;padding:3rem 2rem;box-shadow:0 4px 20px #0000000d}.review-summary-icon{color:#16a34a;background:#16a34a1a;border-radius:50%;justify-content:center;align-items:center;width:80px;height:80px;margin-bottom:1.5rem;display:inline-flex}.review-summary-title{color:var(--text-main,#0f172a);margin-bottom:.5rem;font-size:1.6rem;font-weight:700}.review-summary-desc{color:var(--text-muted,#64748b);margin-bottom:2rem;font-size:1.05rem}.vocab-btn-submit-review{background:var(--navi-orange,#f26522);color:#fff;cursor:pointer;border:none;border-radius:10px;padding:.85rem 2rem;font-size:1rem;font-weight:600;transition:background .2s}.vocab-btn-submit-review:hover{background:#ea580c}[data-theme=dark] .review-flashcard,[data-theme=dark] .review-summary-card{color:#f8fafc;background:#1e293b;border-color:#334155}[data-theme=dark] .review-example-box{background:#0f172a}[data-theme=dark] .review-btn-sai{color:#fca5a5;background:#dc262633;border-color:#f8717180}[data-theme=dark] .review-btn-dung{color:#86efac;background:#16a34a33;border-color:#4ade8080}@media (prefers-color-scheme:dark){:root:not([data-theme=light]) .review-flashcard,:root:not([data-theme=light]) .review-summary-card{color:#f8fafc;background:#1e293b;border-color:#334155}:root:not([data-theme=light]) .review-example-box{background:#0f172a}:root:not([data-theme=light]) .review-btn-sai{color:#fca5a5;background:#dc262633;border-color:#f8717180}:root:not([data-theme=light]) .review-btn-dung{color:#86efac;background:#16a34a33;border-color:#4ade8080}}.review-btn-xem{background:var(--navi-orange,#f26522);color:#fff}.review-btn-xem:hover{filter:brightness(1.05)}@media (hover:none),(width<=767px){.chi-may-tinh{display:none!important}}.vocab-nut-nghe{border:1px solid var(--border-color,#e2e8f0);background:var(--bg-card,#fff);width:36px;height:36px;color:var(--navi-orange,#f97316);cursor:pointer;transition:background var(--transition-fast,.15s), color var(--transition-fast,.15s), transform var(--transition-fast,.15s);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;margin-left:10px;padding:0;display:inline-flex}.vocab-nut-nghe:hover{background:var(--navi-orange,#f97316);color:#fff}.vocab-nut-nghe:focus-visible{outline:2px solid var(--navi-orange,#f97316);outline-offset:2px}.vocab-nut-nghe.dang-phat{background:var(--navi-orange,#f97316);color:#fff;transform:scale(1.08)}.vocab-nut-nghe.vocab-nut-nghe-nho{width:26px;height:26px;margin-left:0;margin-right:6px}@media (width<=420px){.vocab-nut-nghe.vocab-nut-nghe-nho{width:30px;height:30px}}[data-theme=dark] .vocab-nut-nghe{background:var(--bg-card,#1e293b);border-color:var(--border-color,#334155)}@media (prefers-color-scheme:dark){:root:not([data-theme=light]) .vocab-nut-nghe{background:var(--bg-card,#1e293b);border-color:var(--border-color,#334155)}}.so-lop-nav-tabs{border-bottom:1px solid var(--border-color,#e2e8f0);-webkit-overflow-scrolling:touch;gap:8px;margin-bottom:20px;padding-bottom:8px;display:flex;overflow-x:auto}.so-lop-nav-tab{border-radius:var(--radius-md,8px);cursor:pointer;color:var(--text-secondary,#64748b);white-space:nowrap;background:0 0;border:none;align-items:center;gap:6px;padding:8px 16px;font-size:.875rem;font-weight:600;transition:all .15s;display:flex}.so-lop-nav-tab:hover{background:var(--bg-hover,#0000000a);color:var(--text-main,#0f172a)}.so-lop-nav-tab.active{background:var(--navi-orange,#f97316);color:#fff}.so-lop-period-selector{background:var(--bg-card,#fff);border-radius:var(--radius-md,8px);border:1px solid var(--border-color,#e2e8f0);align-items:center;gap:8px;padding:4px 8px;display:flex}.so-lop-period-btn{border-radius:var(--radius-sm,6px);cursor:pointer;color:var(--text-secondary,#64748b);background:0 0;border:none;padding:4px 10px;font-size:.8rem;font-weight:600;transition:all .15s}.so-lop-period-btn.active{background:var(--navi-navy,#1e3a8a);color:#fff}.so-lop-summary-bar{background:var(--bg-card,#fff);border:1px solid var(--border-color,#e2e8f0);border-radius:var(--radius-md,8px);color:var(--text-main,#0f172a);box-shadow:var(--shadow-sm,0 1px 2px #0000000d);flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:16px;padding:12px 18px;font-size:.875rem;display:flex}.so-lop-summary-dot{color:var(--text-muted,#94a3b8)}.so-lop-table-container{background:var(--bg-card,#fff);border:1px solid var(--border-color,#e2e8f0);border-radius:var(--radius-lg,12px);box-shadow:var(--shadow-card,0 2px 8px #0000000f);-webkit-overflow-scrolling:touch;overflow-x:auto}.so-lop-table{border-collapse:collapse;text-align:left;width:100%;font-size:.85rem}.so-lop-table th{border-bottom:1px solid var(--border-color,#e2e8f0);background:var(--bg-app,#f8fafc);color:var(--text-secondary,#64748b);white-space:nowrap;padding:12px 14px;font-weight:600}.so-lop-table td{border-bottom:1px solid var(--border-color,#e2e8f0);vertical-align:middle;padding:12px 14px}.so-lop-table tr:last-child td{border-bottom:none}.so-lop-table tr:hover td{background:var(--bg-hover,#00000005)}.so-lop-empty-badge{color:var(--text-muted,#94a3b8);font-size:.8rem;font-style:italic}[data-theme=dark] .so-lop-nav-tabs,[data-theme=dark] .so-lop-summary-bar,[data-theme=dark] .so-lop-table-container,[data-theme=dark] .so-lop-period-selector{background:var(--bg-card,#1e293b);border-color:var(--border-color,#334155)}[data-theme=dark] .so-lop-table th{background:var(--bg-app,#0f172a);border-color:var(--border-color,#334155)}[data-theme=dark] .so-lop-table td{border-color:var(--border-color,#334155)}[data-theme=dark] .so-lop-nav-tab:hover{background:#ffffff0d}@media (width<=600px){.so-lop-summary-bar{gap:6px;padding:10px 14px;font-size:.8rem}}.admin-tab-nav>button{white-space:nowrap;flex-shrink:0}.admin-nut-nho{min-width:44px;min-height:32px}@media (pointer:coarse){.admin-nut-nho{min-height:44px}}body.dang-lam-bai .luyen-tap-ngan{display:none}.luyen-tap-ngan{background:var(--bg-muted,#f1f5f9);border:1px solid var(--border-color,#e2e8f0);box-sizing:border-box;border-radius:12px;gap:6px;width:calc(100% - 32px);max-width:680px;margin:12px auto 0;padding:4px;display:flex}main .luyen-tap-ngan .luyen-tap-ngan-nut{min-height:44px;color:var(--text-secondary,#475569);cursor:pointer;white-space:nowrap;background:0 0;border:none;border-radius:9px;flex:1 1 0;justify-content:center;align-items:center;gap:6px;font-size:.9rem;font-weight:600;display:inline-flex}main .luyen-tap-ngan .luyen-tap-ngan-nut.dang-chon{background:var(--bg-card,#fff);color:var(--navi-orange,#f26522);box-shadow:0 1px 3px #00000014}.luyen-tap-rong{text-align:center;max-width:560px;margin:24px auto;padding:2.5rem 1.5rem}.luyen-tap-rong-icon{margin-bottom:8px;font-size:30px}.luyen-tap-rong h2{color:var(--text-main);margin:0 0 6px;font-size:1.05rem}.luyen-tap-rong p{color:var(--text-secondary);margin:0;font-size:.9rem;line-height:1.5}.lc-khung{box-sizing:border-box;flex-direction:column;gap:14px;width:100%;max-width:680px;margin:0 auto;padding:16px 16px 96px;display:flex}.lc-giua{text-align:center;flex-direction:column;align-items:center;gap:10px;display:flex}.lc-nhan{color:var(--text-secondary);font-size:.85rem;font-weight:600}.lc-chon{border:1px solid var(--border-input,#cbd5e1);background:var(--bg-card);width:100%;min-height:48px;color:var(--text-main);box-sizing:border-box;border-radius:10px;padding:10px 12px;font-size:1rem}.lc-kieu-luoi{grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:12px;display:grid}.lc-kieu{flex-direction:column;gap:8px;padding:16px;display:flex}.lc-kieu-dau{color:var(--text-main);align-items:center;gap:8px;display:flex}.lc-kieu-dau svg{color:var(--navi-orange)}.lc-kieu-mo-ta{color:var(--text-secondary);flex:1;margin:0;font-size:.85rem;line-height:1.4}.lc-kieu-tat{opacity:.7}.lc-che-do{background:var(--bg-muted,#f1f5f9);border:1px solid var(--border-color);border-radius:10px;gap:4px;padding:3px;display:flex}main .lc-che-do button{min-height:44px;color:var(--text-secondary);cursor:pointer;background:0 0;border:none;border-radius:8px;flex:1;font-size:.85rem;font-weight:600}.lc-che-do button.dang-chon{background:var(--bg-card);color:var(--navi-orange);box-shadow:0 1px 2px #00000014}main .lc-nut{cursor:pointer;border:1px solid #0000;border-radius:12px;justify-content:center;align-items:center;gap:6px;min-height:48px;padding:10px 18px;font-size:.95rem;font-weight:700;display:inline-flex}.lc-nut-chinh{background:var(--navi-orange,#f26522);color:#fff}.lc-nut-chinh:disabled{background:var(--bg-muted,#f1f5f9);color:var(--text-muted,#94a3b8);border-color:var(--border-color);cursor:not-allowed}.lc-nut-phu{background:var(--bg-card);color:var(--text-main);border-color:var(--border-color)!important}.lc-nut-rong{width:100%}.lc-hang-nut{flex-wrap:wrap;gap:10px;display:flex}.lc-hang-nut .lc-nut{flex:160px}.lc-bai{flex-direction:column;gap:12px;padding:18px 16px;display:flex}.lc-huong-dan{color:var(--text-secondary);margin:0;font-size:.9rem}.lc-cau-mau{color:var(--text-main);margin:0;font-size:1.3rem;font-weight:700;line-height:1.45}.lc-nghia{color:var(--text-secondary);margin:0;font-size:.9rem;font-style:italic}.lc-xem-lai{align-self:flex-start}.lc-o-go{border:1.5px solid var(--border-input,#cbd5e1);background:var(--bg-muted,#f8fafc);width:100%;min-height:52px;color:var(--text-main);box-sizing:border-box;border-radius:12px;padding:12px 14px;font-size:1.1rem}.lc-o-go:focus{border-color:var(--navi-orange);background:var(--bg-card);outline:none;box-shadow:0 0 0 3px #f2652226}.lc-phim-dac-biet{grid-template-columns:repeat(7,1fr);gap:6px;display:grid}main .lc-phim{border:1px solid var(--border-color);background:var(--bg-card);min-width:0;min-height:48px;color:var(--text-main);cursor:pointer;border-radius:10px;font-size:1.15rem;font-weight:700}.lc-phim:active{background:var(--navi-orange-light)}.lc-hang-dat{border:1.5px dashed var(--border-input,#cbd5e1);background:var(--bg-muted,#f8fafc);border-radius:12px;flex-wrap:wrap;align-items:center;gap:8px;min-height:60px;padding:10px;display:flex}.lc-kho-manh{flex-wrap:wrap;gap:8px;display:flex}main .lc-manh{border:1px solid var(--border-color);background:var(--bg-card);min-height:44px;color:var(--text-main);cursor:pointer;border-radius:10px;align-items:center;padding:8px 14px;font-size:1.05rem;font-weight:600;display:inline-flex}.lc-manh-co-dinh{background:var(--navi-orange-light)!important;color:var(--color-warning-text,#b45309)!important;cursor:default!important;border-color:#0000!important}.lc-manh-dung{background:var(--color-success-bg)!important;border-color:var(--color-success-border)!important;color:var(--color-success-text)!important}.lc-manh-sai{background:var(--color-danger-bg)!important;border-color:var(--color-danger-border)!important;color:var(--color-danger-text)!important}.lc-dau-cuoi{color:var(--text-main);font-size:1.2rem;font-weight:700}.lc-lua-chon{grid-template-columns:1fr 1fr;gap:10px;display:grid}main .lc-lua-chon-nut{border:1.5px solid var(--border-color);background:var(--bg-card);min-height:56px;color:var(--text-main);cursor:pointer;border-radius:12px;justify-content:center;align-items:center;gap:6px;padding:10px;font-size:.95rem;font-weight:600;display:inline-flex}.lc-lua-chon-nut.dang-chon{border-color:var(--navi-orange);background:var(--navi-orange-light)}.lc-lua-chon-nut.lc-dung{border-color:var(--color-success-border);background:var(--color-success-bg);color:var(--color-success-text)}.lc-lua-chon-nut.lc-sai{border-color:var(--color-danger-border);background:var(--color-danger-bg);color:var(--color-danger-text)}.lc-phan-hoi{border:1px solid;border-radius:12px;flex-direction:column;gap:4px;padding:12px 14px;display:flex}.lc-phan-hoi.lc-dung{background:var(--color-success-bg);border-color:var(--color-success-border);color:var(--color-success-text)}.lc-phan-hoi.lc-sai{background:var(--color-danger-bg);border-color:var(--color-danger-border);color:var(--color-danger-text)}.lc-phan-hoi-dau{align-items:center;gap:6px;font-size:1rem;display:flex}.lc-phan-hoi p{margin:0;font-size:.9rem}.lc-dap-an span{font-weight:700}.lc-phan-hoi .lc-nghia{color:inherit}.lc-so-tu{flex-wrap:wrap;gap:6px 10px;margin:0;font-size:1.1rem;display:flex}.lc-tu{border-radius:6px;flex-direction:column;align-items:center;padding:2px 4px;display:inline-flex}.lc-tu-dung{color:var(--text-main)}.lc-tu-sai{color:var(--color-danger-text);background:var(--color-danger-bg);-webkit-text-decoration:underline wavy;text-decoration:underline wavy;text-decoration-thickness:1px}.lc-tu-sua{color:var(--color-success-text);font-size:.75rem;font-weight:700;text-decoration:none}.lc-loi-chu{color:var(--color-danger-text);margin:0}.lc-tong-so{color:var(--navi-orange);font-size:2.4rem;font-weight:800}.lc-tieu-de-nho{color:var(--text-main);margin:0 0 8px;font-size:1rem}.lc-ds-sai{color:var(--text-main);flex-direction:column;gap:6px;margin:0;padding-left:20px;display:flex}.so-lop-sao-thanh{color:var(--text-main);flex-wrap:wrap;align-items:center;gap:10px;margin:8px 0 12px;font-size:.85rem;display:flex}.so-lop-sao-nhan{font-weight:700}.so-lop-sao-ngay{border:1px solid var(--border-color);border-radius:var(--radius-md);background:var(--bg-card);min-height:44px;color:var(--text-main);font:inherit;padding:6px 10px}.so-lop-sao-homnay{color:var(--text-secondary)}.so-lop-sao-tat{color:var(--color-warning-text);font-weight:600}.so-lop-sao-o{min-width:150px}.so-lop-sao-nutnhom{flex-wrap:wrap;gap:6px;display:flex}.so-lop-sao-nut{min-height:44px;font:inherit;cursor:pointer;border:1px solid var(--border-color);border-radius:var(--radius-md);background:var(--bg-card);color:var(--text-main);padding:6px 10px;font-size:.8rem;font-weight:600}.so-lop-sao-nut:hover:not(:disabled){border-color:var(--navi-orange)}.so-lop-sao-nut:focus-visible{outline:3px solid var(--navi-orange);outline-offset:2px}.so-lop-sao-nut:disabled{cursor:not-allowed}.so-lop-sao-nut--da-cap{background:var(--color-success-bg,#ecfdf5);border-color:var(--color-success-border,#a7f3d0);color:var(--color-success-text,#047857)}.so-lop-sao-tong{color:var(--text-secondary);margin-top:4px;font-size:.75rem}.so-lop-sao-loi{color:var(--color-danger-text,#b91c1c);margin-top:4px;font-size:.75rem}.sao-lich-su{flex-direction:column;gap:6px;margin:0;padding:0;list-style:none;display:flex}.sao-lich-su-dong{border:1px solid var(--border-color,#e2e8f0);background:var(--bg-card,#fff);color:var(--text-main);border-radius:10px;flex-wrap:wrap;align-items:baseline;gap:6px 12px;padding:8px 12px;font-size:.875rem;display:flex}.sao-lich-su-so{color:var(--color-success-text,#047857);min-width:52px;font-weight:700}.sao-lich-su-dong--am .sao-lich-su-so{color:var(--color-danger-text,#b91c1c)}.sao-lich-su-nhan{flex:200px}.sao-lich-su-ngay{color:var(--text-secondary);font-size:.8rem}.notif-icon-sao{color:#b45309;background:#fef3c7}.dd-card{box-sizing:border-box;text-align:left;width:100%;min-width:0;font:inherit;color:var(--text-main);background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg,16px);box-shadow:var(--shadow-card);cursor:pointer;flex-direction:column;gap:10px;margin:0 0 1rem;padding:14px 16px;display:flex}.dd-card:hover{box-shadow:var(--shadow-hover)}.dd-card:focus-visible{outline:3px solid var(--navi-orange,#f05c22);outline-offset:2px}.dd-card-dau{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px;display:flex}.dd-card-tieu-de{color:var(--text-main);font-size:1rem;font-weight:800}.dd-card-phu{color:var(--text-secondary);font-size:.85rem}.dd-card-xem{min-height:32px;color:var(--navi-orange,#f05c22);align-self:flex-end;align-items:center;gap:2px;font-size:.85rem;font-weight:700;display:inline-flex}.dd-bay-ngay{grid-template-columns:repeat(7,minmax(0,1fr));gap:4px;margin:0;padding:0;list-style:none;display:grid}.dd-ngay{border:1px solid var(--border-color);min-width:0;color:var(--text-secondary);background:var(--bg-app,#f8fafc);border-radius:10px;flex-direction:column;align-items:center;gap:2px;padding:6px 0;font-size:.72rem;font-weight:700;display:flex}.dd-ngay-so{font-size:.66rem;font-weight:600}.dd-ngay--chua-toi{opacity:.55}.dd-ngay--hom-nay{border-color:var(--navi-orange,#f26522);box-shadow:inset 0 0 0 1px var(--navi-orange,#f26522);background:var(--navi-orange-light,#fff2eb);color:var(--navi-orange-text,#c2410c)}.dd-man{flex-direction:column;gap:12px;max-width:760px;margin:0 auto;display:flex}.dd-man-dau{margin-bottom:2px}.dd-man-tieu-de{color:var(--text-main);margin:0;font-size:1.4rem;font-weight:800}.dd-man-phu{color:var(--text-secondary);margin:4px 0 0;font-size:.9rem}.dd-chon-tuan{background:var(--bg-card);border:1px solid var(--border-color);border-radius:14px;justify-content:space-between;align-items:center;gap:8px;padding:4px;display:flex}.dd-chon-tuan-nut{width:44px;height:44px;color:var(--text-main);cursor:pointer;background:0 0;border:none;border-radius:10px;flex:none;justify-content:center;align-items:center;display:inline-flex}.dd-chon-tuan-nut:disabled{opacity:.35;cursor:default}.dd-chon-tuan-nut:focus-visible{outline:3px solid var(--navi-orange,#f05c22);outline-offset:2px}.dd-chon-tuan-nhan{text-align:center;flex:auto;min-width:0;font-size:.95rem;font-weight:700}.dd-khoi{--dd-nhan:var(--border-color);--dd-nhan-nen:var(--bg-app,#f8fafc);--dd-nhan-chu:var(--text-secondary);box-sizing:border-box;background:var(--bg-card);border:1px solid var(--border-color);border-left:4px solid var(--dd-nhan);border-radius:var(--radius-lg,16px);min-width:0;box-shadow:var(--shadow-card);overflow-wrap:anywhere;flex-direction:column;gap:10px;padding:16px 18px;display:flex}.dd-tong-quan{--dd-nhan:var(--navi-orange,#f26522);--dd-nhan-nen:var(--navi-orange-light,#fff2eb);--dd-nhan-chu:var(--navi-orange-text,#c2410c)}.dd-khoi--chuyen-can{--dd-nhan:var(--color-success,#10b981);--dd-nhan-nen:var(--color-success-bg,#ecfdf5);--dd-nhan-chu:var(--color-success-text,#15803d)}.dd-khoi--dung-gio{--dd-nhan:var(--color-warning,#f59e0b);--dd-nhan-nen:var(--color-warning-bg,#fffbeb);--dd-nhan-chu:var(--color-warning-text,#b45309)}.dd-khoi--bai-tap{--dd-nhan:var(--text-muted,#94a3b8)}.dd-khoi-tieu-de{color:var(--text-main);margin:0;font-size:1.05rem;font-weight:800}.dd-khoi-phu{color:var(--text-secondary);margin:0;font-size:.85rem}.dd-khoi-nguon{border-top:1px dashed var(--border-color);color:var(--text-secondary);margin:0;padding-top:8px;font-size:.78rem}.dd-khoi-trung-tinh{color:var(--text-main);background:var(--dd-nhan-nen);border:1px solid var(--border-color);border-radius:10px;margin:0;padding:10px 12px;font-size:.9rem;font-weight:500}.dd-khoi--bai-tap .dd-khoi-trung-tinh{color:var(--text-secondary)}.dd-nhan-dong{flex-wrap:wrap;gap:6px;margin:0;padding:0;list-style:none;display:flex}.dd-nhan{border-radius:var(--radius-pill,9999px);border:1px solid var(--border-color);background:var(--bg-app,#f8fafc);min-width:0;color:var(--text-secondary);align-items:center;padding:4px 10px;font-size:.8rem;font-weight:700;display:inline-flex}.dd-nhan--tot{background:var(--color-success-bg);border-color:var(--color-success-border);color:var(--color-success-text)}.dd-nhan--canh{background:var(--color-warning-bg);border-color:var(--color-warning-border);color:var(--color-warning-text)}.dd-nhan--xau{background:var(--color-danger-bg);border-color:var(--color-danger-border);color:var(--color-danger-text)}.dd-nhan--cho{background:var(--navi-orange-light,#fff2eb);border-color:var(--navi-orange,#f26522);color:var(--navi-orange-text,#c2410c)}.dd-o-tong{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin:0;display:grid}.dd-o{--dd-o-chu:var(--text-main);background:var(--bg-app,#f8fafc);border:1px solid var(--border-color);border-radius:12px;flex-direction:column;gap:4px;min-width:0;padding:10px 10px 12px;display:flex}.dd-o--chuyen-can{--dd-o-chu:var(--color-success-text,#15803d);border-top:3px solid var(--color-success,#10b981)}.dd-o--dung-gio{--dd-o-chu:var(--color-warning-text,#b45309);border-top:3px solid var(--color-warning,#f59e0b)}.dd-o--bai-tap{border-top:3px solid var(--text-muted,#94a3b8)}.dd-o-nhan{color:var(--text-secondary);font-size:.78rem;font-weight:600}.dd-o-gia-tri{color:var(--dd-o-chu);font-variant-numeric:tabular-nums;margin:0;font-size:1.05rem;font-weight:800}.dd-o--trong .dd-o-gia-tri{color:var(--text-muted,#94a3b8)}@media (width<=420px){.dd-khoi{padding:14px}.dd-o{padding:8px 8px 10px}.dd-o-gia-tri{font-size:.95rem}}.dd-loi{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px;font-size:.9rem;display:flex}.bottom-nav-item{min-width:0}@media (prefers-color-scheme:dark){:root:not([data-theme=light]) .roadmap-step:not(.active):not(.completed) .roadmap-node{background:var(--ui-surface);border-color:var(--ui-border-control);color:var(--ui-text-muted)}}:root[data-theme=dark] .roadmap-step:not(.active):not(.completed) .roadmap-node{background:var(--ui-surface);border-color:var(--ui-border-control);color:var(--ui-text-muted)}