:root{--font-size: 16px;--font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-weight-normal: 400;--font-weight-medium: 500;--font-weight-semibold: 600;--font-weight-bold: 700;--background: #ffffff;--foreground: #1a1a2a;--card: #ffffff;--card-foreground: #1a1a2a;--popover: #ffffff;--popover-foreground: #1a1a2a;--primary: #757bc8;--primary-foreground: #ffffff;--secondary: #f8f9ff;--secondary-foreground: #1a1a2a;--muted: #f5f6ff;--muted-foreground: #6b7280;--accent: #dab6fc;--accent-foreground: #1a1a2a;--destructive: #dc2626;--destructive-foreground: #ffffff;--border: rgba(117, 123, 200, .2);--input: transparent;--input-background: #f8f9ff;--switch-background: #e5e7eb;--ring: #757bc8;--chart-1: #757bc8;--chart-2: #8e94f2;--chart-3: #ada7ff;--chart-4: #cbb2fe;--chart-5: #e0c3fc;--radius: .75rem;--radius-sm: calc(var(--radius) - 4px);--radius-md: calc(var(--radius) - 2px);--radius-lg: var(--radius);--radius-xl: calc(var(--radius) + 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1.5rem;border-radius:var(--radius-md);font-weight:var(--font-weight-medium);font-size:.875rem;line-height:1;cursor:pointer;transition:all .3s ease;border:none;text-decoration:none}.btn-primary{background:linear-gradient(135deg,#757bc8,#8e94f2,#ada7ff,#dab6fc,#e0c3fc);color:#1a1a2a}.dark .btn-primary{background:linear-gradient(135deg,#8187dc,#9fa0ff,#bbadff,#ddbdfc,#e0c3fc);color:#1a1a2a}.btn-primary:hover{opacity:.9;transform:translateY(-1px)}.btn-secondary{background-color:var(--secondary);color:var(--secondary-foreground);border:1px solid var(--border)}.btn-secondary:hover{background-color:var(--muted)}.btn-outline{background-color:transparent;color:var(--primary);border:1px solid var(--primary)}.btn-outline:hover{background-color:var(--primary);color:var(--primary-foreground)}.btn-ghost{background-color:transparent;color:var(--foreground)}.btn-ghost:hover{background-color:var(--secondary)}.badge{display:inline-flex;align-items:center;border-radius:var(--radius-xl);padding:.25rem 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.3s ease}.backdrop-blur{backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}.shadow-sm{box-shadow:0 1px 2px #0000000d}.shadow-md{box-shadow:0 4px 6px -1px #0000001a,0 2px 4px -1px #0000000f}.shadow-lg{box-shadow:0 10px 15px -3px #0000001a,0 4px 6px -2px #0000000d}.dark .shadow-sm{box-shadow:0 1px 2px #0003}.dark .shadow-md{box-shadow:0 4px 6px -1px #0000004d,0 2px 4px -1px #0003}.dark .shadow-lg{box-shadow:0 10px 15px -3px #0006,0 4px 6px -2px #0000004d}