:root{--color-primary-dark: #003976;--color-primary-light: #2a4f86;--color-accent: #0b67c2;--color-accent-light: #eff6ff;--color-highlight-gold: #ffb81c;--color-white: #fff;--color-gray-50: #f9fafb;--color-gray-100: #f3f4f6;--color-gray-200: #e5e7eb;--color-gray-300: #d1d5db;--color-gray-400: #9ca3af;--color-gray-600: #6b7280;--color-gray-700: #374151;--color-gray-900: #111827;--color-bg-primary: var(--color-white);--color-bg-secondary: var(--color-gray-100);--color-bg-tertiary: #f2f4f8;--color-bg-sidebar: var(--color-primary-light);--color-bg-topbar: var(--color-primary-dark);--color-text-primary: var(--color-gray-900);--color-text-secondary: var(--color-gray-600);--color-text-muted: var(--color-gray-600);--color-text-inverse: var(--color-white);--color-text-accent: var(--color-accent);--color-text-success: #166534;--color-text-danger: #991b1b;--color-text-warning: #854d0e;--color-text-purple: #6d28d9;--space-0: 0;--space-xs: 4px;--space-sm: 8px;--space-md: 12px;--space-lg: 16px;--space-xl: 20px;--space-2xl: 24px;--space-3xl: 32px;--space-4xl: 40px;--font-family-base: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-family-monospace: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;--font-size-xs: .75rem;--font-size-sm: .875rem;--font-size-base: 1rem;--font-size-lg: 1.1rem;--font-size-xl: 1.3rem;--font-size-2xl: 1.8rem;--font-size-3xl: 2.5rem;--font-weight-normal: 400;--font-weight-medium: 500;--font-weight-semibold: 600;--font-weight-bold: 700;--line-height-tight: 1.1;--line-height-normal: 1.4;--line-height-relaxed: 1.6;--shadow-sm: 0 1px 2px rgba(31, 41, 55, .08), 0 0 0 1px rgba(148, 163, 184, .2);--shadow-md: 0 2px 8px rgba(31, 41, 55, .08);--shadow-lg: 0 10px 20px rgba(31, 41, 55, .12), 0 0 0 1px rgba(148, 163, 184, .2);--shadow-xl: 0 8px 30px rgba(0, 0, 0, .25);--shadow-topbar: 0 2px 6px rgba(0, 0, 0, .25);--radius-sm: 6px;--radius-md: 8px;--radius-lg: 10px;--radius-xl: 12px;--transition-fast: .12s;--transition-base: .15s;--transition-slow: .2s;--size-topbar-height: 80px;--size-sidebar-width: 240px;--brand-logo-filter: none}:root[data-theme=light]{--color-bg-primary: var(--color-white);--color-bg-secondary: var(--color-gray-100);--color-bg-tertiary: #f3f5f9;--color-text-primary: var(--color-gray-900);--color-text-secondary: var(--color-gray-600)}:root[data-theme=dark]{--color-primary-dark: #0c2c4f;--color-primary-light: #233859;--color-highlight-gold: #b48522;--color-accent-light: #1d2d42;--color-bg-primary: #171b22;--color-bg-secondary: #222833;--color-bg-tertiary: #0f131a;--color-text-primary: #f1f5f9;--color-text-secondary: #c2cbd8;--color-text-accent: #8fc3ff;--color-text-success: #86efac;--color-text-danger: #fca5a5;--color-text-warning: #fcd34d;--color-text-purple: #c4b5fd;--color-gray-200: #2f3744;--color-gray-300: #465062;--color-gray-400: #647286;--brand-logo-filter: invert(1) brightness(2)}*{box-sizing:border-box}html,body{margin:0;padding:0;height:100%;font-family:var(--font-family-base);font-size:var(--font-size-base);color:var(--color-text-primary);background-color:var(--color-bg-primary);line-height:var(--line-height-normal)}main{height:100%}h1,h2,h3,h4,h5,h6{margin:0;font-weight:var(--font-weight-bold)}h1{font-size:var(--font-size-3xl)}h2{font-size:var(--font-size-2xl)}h3{font-size:var(--font-size-xl)}h4{font-size:var(--font-size-lg)}h5{font-size:var(--font-size-base)}h6{font-size:var(--font-size-sm)}p{margin:0;font-size:var(--font-size-base)}button{font-family:inherit;cursor:pointer}table{border-collapse:collapse;width:100%}th,td{border:1px solid var(--color-gray-300);padding:var(--space-md);text-align:left}th{background-color:var(--color-bg-secondary);font-weight:var(--font-weight-semibold);color:var(--color-text-primary)}tr:hover{background-color:var(--color-bg-secondary)}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border-width:0}.list-go-btn{background:none;border:1px solid var(--color-gray-200);border-radius:var(--radius-sm);padding:5px var(--space-md);font-size:var(--font-size-xs);color:var(--color-text-primary);font-weight:var(--font-weight-medium);cursor:pointer;flex-shrink:0;transition:background var(--transition-fast),border-color var(--transition-fast)}.list-go-btn:hover{background:var(--color-bg-secondary);border-color:var(--color-gray-400)}.view-btn{display:flex;align-items:center;gap:var(--space-sm);padding:7px var(--space-lg);background:var(--color-bg-primary);border:1px solid 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var(--transition-fast);text-align:left}.view-option:hover{background:var(--color-bg-secondary)}.view-option.active{background:var(--color-accent-light);color:var(--color-text-accent);font-weight:var(--font-weight-semibold)}.dashboard-actions{display:flex;align-items:center;gap:var(--space-sm)}.view-switcher{position:relative;z-index:11}@media(prefers-reduced-motion:reduce){:root{--transition-fast: 0ms;--transition-base: 0ms;--transition-slow: 0ms}html:focus-within{scroll-behavior:auto}*,*:before,*:after{scroll-behavior:auto!important;transition-delay:0ms!important;transition-duration:0ms!important;animation-delay:0ms!important;animation-duration:1ms!important;animation-iteration-count:1!important}}.app-shell{display:flex;height:calc(100vh - var(--size-topbar-height));height:calc(100dvh - 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var(--color-gray-200);background:var(--color-bg-secondary)}.data-table td{padding:var(--space-md) var(--space-lg);border:1px solid var(--color-gray-200);color:var(--color-text-primary);font-size:var(--font-size-sm)}.data-table tbody tr:hover{background:var(--color-gray-50)}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:var(--space-3xl) var(--space-2xl);text-align:center;color:var(--color-text-secondary)}.empty-state p{margin:0;font-size:var(--font-size-base);line-height:var(--line-height-normal)}.account-lead{margin:0 0 var(--space-xl);font-size:var(--font-size-lg);color:var(--color-text-secondary)}.section.section-flat.account-card{margin-bottom:var(--space-xl);padding:0 0 var(--space-xl);border-bottom:1px solid var(--color-gray-300)}.account-profile-header{display:flex;align-items:flex-start;gap:var(--space-xl)}.account-avatar-wrap{position:relative;flex:0 0 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p,.account-note{font-size:var(--font-size-base)}.account-theme-title{font-size:clamp(1.2rem,5vw,1.5rem)}.account-theme-row{align-items:flex-start}.account-theme-control{flex-direction:column;align-items:flex-end;gap:var(--space-xs)}.account-usage-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.account-usage-grid div:nth-child(2){border-right:0}.account-usage-grid div:nth-child(-n+2){border-bottom:1px solid var(--color-gray-200)}}@media(max-width:600px){.account-profile-header,.account-course-row{flex-direction:column;align-items:stretch}.account-avatar-picker{left:50%;transform:translate(-50%)}.account-course-link{white-space:normal}.account-usage-grid{grid-template-columns:1fr}.account-usage-grid div,.account-usage-grid div:nth-child(2){border-right:0;border-bottom:1px solid var(--color-gray-200)}.account-usage-grid 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