:root{--color-brand-primary: #233e69;--color-brand-primary-strong: #1c3255;--color-brand-primary-soft: #b9c8dd;--color-brand-surface: #e8eef7;--color-brand-secondary: #5479a8;--color-brand-accent: #e6b230;--color-success: #6eb74a;--color-success-strong: #237a4b;--color-success-surface: #e6f6eb;--color-warning: #d97706;--color-warning-strong: #854d0e;--color-warning-surface: #fef3c7;--color-danger: #dc2626;--color-danger-strong: #b91c1c;--color-danger-surface: #fee2e2;--color-page: #f8f9fa;--color-surface: #ffffff;--color-surface-subtle: #f8fafc;--color-text-primary: #1e293b;--color-text-muted: #475569;--color-border: #e2e8f0;--color-border-strong: #cbd5e1;--color-on-brand: #ffffff;--color-focus-surface: rgba(230, 178, 48, .28);--color-overlay: rgba(15, 23, 42, .52);--space-4: 1rem;--space-5: 1.25rem;--space-6: 1.5rem;--radius-control: 8px;--radius-card: 12px;--motion-fast: .16s ease;--shadow-sm: 0 1px 3px rgba(15, 23, 42, .08);--shadow-md: 0 4px 12px rgba(15, 23, 42, .1);--shadow-lg: 0 20px 50px rgba(15, 23, 42, .16);--z-shell: 10;--z-overlay: 50;--shell-dock-min: 900px;--layout-compact-max: 560px;--shell-sidebar-width: 280px}*{box-sizing:border-box;padding:0;margin:0}html,body{width:100%;min-width:320px;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--color-page);color:var(--color-text-primary);line-height:1.6}body{min-height:100vh;min-height:100dvh}html[data-font-size=large]{font-size:17px}html[data-font-size=x-large]{font-size:19px}html[data-contrast-mode=high]{--color-page: #ffffff;--color-surface: #ffffff;--color-surface-subtle: #f8fafc;--color-text-primary: #0f172a;--color-text-muted: #1f2937;--color-border: #0f172a;--color-border-strong: #0f172a;--color-brand-primary: #163b80;--color-brand-primary-strong: #0d2552;--color-brand-accent: #7a5700;--color-success: #1e7b39;--color-success-strong: #14532d;--color-warning: #854d0e;--color-warning-strong: #713f12;--color-danger: #b91c1c;--color-danger-strong: #991b1b;--shadow-sm: none;--shadow-md: none;--shadow-lg: none}a{color:inherit;text-decoration:none;transition:color var(--motion-fast),background-color var(--motion-fast),border-color var(--motion-fast)}:focus-visible{outline:3px solid var(--color-brand-accent);outline-offset:2px}button,input,select,textarea{font:inherit}button,a{-webkit-tap-highlight-color:transparent}.skip-link{position:absolute;top:-48px;left:16px;z-index:var(--z-overlay);padding:10px 14px;color:var(--color-on-brand);background:var(--color-brand-primary);border-radius:var(--radius-control);font-weight:700;box-shadow:var(--shadow-md)}.skip-link:focus{top:16px}#root{min-height:100vh;min-height:100dvh}h1,h2,h3{font-family:Outfit,Inter,sans-serif;font-weight:700}._pageInset_2rvda_1,._pageShell_2rvda_2,._pageShellWide_2rvda_3{width:100%;min-width:0;margin:0 auto;padding:2rem 2.5rem 3.5rem}._pageShell_2rvda_2{max-width:50rem}._pageShellWide_2rvda_3{max-width:75rem}._pageHeader_2rvda_18{margin-bottom:28px}._pageTitle_2rvda_22{margin:0;color:var(--color-brand-primary);font-size:clamp(1.6rem,3vw,2.2rem);line-height:1.15}._pageSubtitle_2rvda_29{margin-top:8px;color:var(--color-text-muted);font-size:.98rem;line-height:1.65}._sectionHeading_2rvda_36{margin:0 0 18px;padding-bottom:10px;color:var(--color-brand-primary);border-bottom:2px solid var(--color-brand-accent);font-size:1.15rem;line-height:1.3}._surface_2rvda_45,._surfaceAccent_2rvda_46{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-card);box-shadow:var(--shadow-sm)}._surface_2rvda_45{padding:var(--space-6)}._surfaceFlush_2rvda_57{padding:0}._surfaceAccent_2rvda_46{padding:var(--space-5);border-left:4px solid var(--color-brand-primary)}._surfaceCentered_2rvda_66{display:flex;align-items:center;justify-content:center;min-height:160px;text-align:center}._grid_2rvda_74{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,15rem),1fr));gap:var(--space-6);min-width:0}._split_2rvda_81{display:grid;grid-template-columns:minmax(0,22.5rem) minmax(0,1fr);gap:var(--space-6);align-items:start;min-width:0}._split_2rvda_81[data-aside=end]{grid-template-columns:minmax(0,1fr) minmax(16rem,22.5rem)}._split_2rvda_81>*{min-width:0}._scrollRegion_2rvda_97{max-width:100%;overflow-x:auto;overscroll-behavior-inline:contain}._listStack_2rvda_103,._formStack_2rvda_104{display:flex;flex-direction:column;gap:var(--space-4)}._fieldLabel_2rvda_110{display:flex;flex-direction:column;gap:8px;color:var(--color-text-primary);font-size:.92rem;font-weight:700}._textMuted_2rvda_119{color:var(--color-text-muted)}._textSmall_2rvda_123{color:var(--color-text-muted);font-size:.84rem;line-height:1.5}._textError_2rvda_129{color:var(--color-danger)}._rowBetween_2rvda_133{display:flex;align-items:center;justify-content:space-between;gap:var(--space-4)}._backLink_2rvda_140{display:inline-flex;align-items:center;gap:8px;margin-bottom:18px;color:var(--color-brand-primary);font-weight:700}._dataTable_2rvda_149{width:100%;border-collapse:collapse;font-size:.9rem}._dataTable_2rvda_149 th,._dataTable_2rvda_149 td{padding:12px 14px;border-bottom:1px solid var(--color-border);text-align:left;vertical-align:top}._dataTable_2rvda_149 th{color:var(--color-brand-primary);background:var(--color-surface-subtle);font-weight:700}._dataTable_2rvda_149 tr:hover td{background:var(--color-surface-subtle)}._badge_2rvda_173,._badgeGreen_2rvda_174,._badgeBlue_2rvda_175,._badgeGold_2rvda_176{display:inline-flex;align-items:center;justify-content:center;min-height:24px;padding:4px 9px;border-radius:999px;font-size:.76rem;font-weight:700;line-height:1.1}._badge_2rvda_173{color:var(--color-brand-primary);background:var(--color-surface-subtle)}._badgeGreen_2rvda_174{color:var(--color-success-strong);background:var(--color-success-surface)}._badgeBlue_2rvda_175{color:var(--color-brand-primary);background:var(--color-brand-surface)}._badgeGold_2rvda_176{color:var(--color-warning-strong);background:var(--color-warning-surface)}._buttonPrimary_2rvda_208,._buttonSecondary_2rvda_209,._buttonDanger_2rvda_210,._buttonGhost_2rvda_211{display:inline-flex;align-items:center;justify-content:center;min-height:44px;gap:8px;padding:10px 18px;border:1px solid transparent;border-radius:var(--radius-control);font:inherit;font-size:.9rem;font-weight:700;line-height:1.2;cursor:pointer;transition:background-color var(--motion-fast),border-color var(--motion-fast),color var(--motion-fast),box-shadow var(--motion-fast),transform var(--motion-fast)}._buttonPrimary_2rvda_208{color:var(--color-on-brand);background:var(--color-brand-primary)}._buttonPrimary_2rvda_208:hover:not(:disabled){background:var(--color-brand-primary-strong);transform:translateY(-1px)}._buttonSecondary_2rvda_209{color:var(--color-brand-primary);background:var(--color-surface);border-color:var(--color-brand-primary)}._buttonSecondary_2rvda_209:hover:not(:disabled){background:var(--color-brand-surface)}._buttonDanger_2rvda_210{color:var(--color-on-brand);background:var(--color-danger)}._buttonDanger_2rvda_210:hover:not(:disabled){background:var(--color-danger-strong)}._buttonGhost_2rvda_211{color:var(--color-text-muted);background:transparent;border-color:var(--color-border-strong)}._buttonGhost_2rvda_211:hover:not(:disabled){color:var(--color-brand-primary);background:var(--color-surface-subtle);border-color:var(--color-brand-primary)}._buttonPrimary_2rvda_208:disabled,._buttonSecondary_2rvda_209:disabled,._buttonDanger_2rvda_210:disabled,._buttonGhost_2rvda_211:disabled{cursor:not-allowed;opacity:.65}._buttonLoading_2rvda_277{cursor:wait}._control_2rvda_281,._controlWithIcon_2rvda_282{width:100%;min-height:44px;padding:10px 14px;color:var(--color-text-primary);background:var(--color-surface);border:1px solid var(--color-border-strong);border-radius:var(--radius-control);outline:none;font:inherit;font-size:.95rem;transition:border-color var(--motion-fast),box-shadow var(--motion-fast),background-color var(--motion-fast)}._controlWithIcon_2rvda_282{padding-left:42px}._control_2rvda_281::placeholder,._controlWithIcon_2rvda_282::placeholder{color:var(--color-text-muted)}._control_2rvda_281:focus,._controlWithIcon_2rvda_282:focus{border-color:var(--color-brand-primary);box-shadow:0 0 0 3px var(--color-focus-surface)}._control_2rvda_281:disabled,._controlWithIcon_2rvda_282:disabled{color:var(--color-text-muted);background:var(--color-surface-subtle);cursor:not-allowed}._controlWithIconWrapper_2rvda_318{position:relative;width:100%}._controlIcon_2rvda_323{position:absolute;top:50%;left:13px;color:var(--color-text-muted);pointer-events:none;transform:translateY(-50%)}._field_2rvda_110{display:flex;flex-direction:column;gap:8px}._fieldHint_2rvda_338{color:var(--color-text-muted);font-size:.82rem}._fieldError_2rvda_343{color:var(--color-danger);font-size:.82rem;font-weight:600}._controlInvalid_2rvda_349{border-color:var(--color-danger)}._headingAccent_2rvda_353{color:var(--color-brand-primary)}._buttonIcon_2rvda_357{display:inline-flex;align-items:center;justify-content:center;width:44px;min-width:44px;height:44px;padding:0;color:var(--color-text-muted);background:transparent;border:1px solid transparent;border-radius:var(--radius-control);cursor:pointer}._buttonIcon_2rvda_357:hover{color:var(--color-brand-primary);background:var(--color-surface-subtle)}._status_2rvda_377{padding:12px 14px;border:1px solid var(--color-border);border-radius:var(--radius-control);color:var(--color-text-primary);background:var(--color-surface-subtle)}._statusInfo_2rvda_385{color:var(--color-brand-primary);background:var(--color-brand-surface);border-color:var(--color-brand-primary-soft)}._statusSuccess_2rvda_391{color:var(--color-success-strong);background:var(--color-success-surface);border-color:var(--color-success)}._statusWarning_2rvda_397{color:var(--color-warning-strong);background:var(--color-warning-surface);border-color:var(--color-warning)}._statusError_2rvda_403{color:var(--color-danger-strong);background:var(--color-danger-surface);border-color:var(--color-danger)}._loadingState_2rvda_409,._emptyStateContent_2rvda_410{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;min-height:140px;color:var(--color-text-muted);text-align:center}._routeFallback_2rvda_421{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:var(--space-6);color:var(--color-brand-primary);background:var(--color-page)}._spinner_2rvda_431{width:22px;height:22px;border:3px solid var(--color-border-strong);border-top-color:var(--color-brand-primary);border-radius:50%;animation:_spin_2rvda_431 .8s linear infinite}._dialogOverlay_2rvda_440{position:fixed;top:0;right:0;bottom:0;left:0;z-index:var(--z-overlay);display:flex;align-items:center;justify-content:center;padding:calc(1.5rem + env(safe-area-inset-top)) calc(1.5rem + env(safe-area-inset-right)) calc(1.5rem + env(safe-area-inset-bottom)) calc(1.5rem + env(safe-area-inset-left));background:var(--color-overlay)}._dialog_2rvda_440{width:min(560px,100%);max-height:min(45rem,calc(100dvh - 2rem - env(safe-area-inset-top) - env(safe-area-inset-bottom)));overflow:auto;padding:var(--space-6);background:var(--color-surface);border:1px solid var(--color-border-strong);border-radius:var(--radius-card);box-shadow:var(--shadow-lg)}._dialogHeader_2rvda_466{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}._dialogTitle_2rvda_473{margin:0;color:var(--color-brand-primary);font-size:1.2rem;line-height:1.3}._dialogDescription_2rvda_480{margin:12px 0 18px;color:var(--color-text-muted);line-height:1.6}._dialogFooter_2rvda_486{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:10px;margin-top:24px}._popover_2rvda_494{position:absolute;z-index:var(--z-overlay);background:var(--color-surface);border:1px solid var(--color-border-strong);border-radius:var(--radius-card);box-shadow:var(--shadow-lg)}._lessonNavBar_2rvda_503{display:flex;align-items:center;justify-content:space-between;gap:12px}._lessonContent_2rvda_510{min-height:300px;padding:20px;background:var(--color-surface-subtle);border:1px solid var(--color-border);border-radius:var(--radius-control)}._announcementCard_2rvda_518{padding:18px;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-control)}._scorePassed_2rvda_525{color:var(--color-success-strong)}._scoreFailed_2rvda_529{color:var(--color-danger-strong)}@keyframes _spin_2rvda_431{to{transform:rotate(360deg)}}@container (max-width: 45rem){._pageInset_2rvda_1,._pageShell_2rvda_2,._pageShellWide_2rvda_3{padding:1.5rem 1rem 2.5rem}._split_2rvda_81,._split_2rvda_81[data-aside=end]{grid-template-columns:minmax(0,1fr)}._rowBetween_2rvda_133,._lessonNavBar_2rvda_503{align-items:stretch;flex-direction:column}}@media(prefers-reduced-motion:reduce){._buttonPrimary_2rvda_208,._buttonSecondary_2rvda_209,._buttonDanger_2rvda_210,._buttonGhost_2rvda_211,._control_2rvda_281,._controlWithIcon_2rvda_282{transition:none}._spinner_2rvda_431{animation-duration:1.8s}}._overlayLayer_2rvda_573{display:contents}._queryNotice_2rvda_575{padding:.5rem 0;color:var(--color-text-muted);font-size:.85rem}._formBody_2rvda_577{border:0;padding:0;margin:0;min-width:0;display:contents}._fieldGroup_2rvda_578{border:1px solid var(--color-border-strong);border-radius:var(--radius-control);padding:var(--space-4);display:flex;flex-direction:column;gap:10px;min-width:0}._choiceControl_2rvda_579{width:1.25rem;height:1.25rem;accent-color:var(--color-brand-primary)}._fieldLabel_2rvda_110._choiceLabel_2rvda_581{flex-direction:row;align-items:center;min-height:44px;cursor:pointer}