:root{--color-primary: #3b82f6;--color-primary-hover: #2563eb;--color-primary-light: #e6f0ff;--color-secondary: #64748b;--color-secondary-hover: #475569;--color-success: #10b981;--color-success-hover: #059669;--color-warning: #f59e0b;--color-warning-hover: #d97706;--color-error: #ef4444;--color-error-hover: #dc2626;--color-background: #ffffff;--color-background-secondary: #eef1f5;--color-background-tertiary: #e7ebf0;--color-surface: #ffffff;--color-surface-hover: #f8fafc;--color-text-primary: #1d4ed8;--color-text-secondary: #64748b;--color-text-tertiary: #94a3b8;--color-text-inverse: #ffffff;--color-border: #e2e8f0;--color-border-hover: #cbd5e1;--color-border-focus: #2563eb;--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--spacing-2xl: 3rem;--spacing-3xl: 4rem;--radius-sm: .25rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1);--shadow-xl: 0 20px 25px -5px rgb(0 0 0 / .1), 0 8px 10px -6px rgb(0 0 0 / .1);--font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-size-xs: .75rem;--font-size-sm: .875rem;--font-size-base: 1rem;--font-size-lg: 1.125rem;--font-size-xl: 1.25rem;--font-size-2xl: 1.5rem;--font-size-3xl: 1.875rem;--font-size-4xl: 2.25rem;--font-weight-normal: 400;--font-weight-medium: 500;--font-weight-semibold: 600;--font-weight-bold: 700;--line-height-tight: 1.25;--line-height-normal: 1.5;--line-height-relaxed: 1.75;--transition-fast: .15s ease-in-out;--transition-normal: .2s ease-in-out;--transition-slow: .3s ease-in-out}.dark{--color-background: #0f172a;--color-background-secondary: #1e293b;--color-background-tertiary: #334155;--color-surface: #1e293b;--color-surface-hover: #334155;--color-text-primary: #f8fafc;--color-text-secondary: #cbd5e1;--color-text-tertiary: #94a3b8;--color-border: #334155;--color-border-hover: #475569;--color-primary: #60a5fa;--color-primary-hover: #3b82f6;--color-primary-light: #1e3a8a}*{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;line-height:var(--line-height-normal)}body{font-family:var(--font-family);font-size:var(--font-size-base);font-weight:var(--font-weight-normal);color:var(--color-text-primary);background-color:var(--color-background);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.container{max-width:1200px;margin:0 auto;padding:0 var(--spacing-md)}.text-center{text-align:center}.text-left{text-align:left}.text-right{text-align:right}.font-medium{font-weight:var(--font-weight-medium)}.font-semibold{font-weight:var(--font-weight-semibold)}.font-bold{font-weight:var(--font-weight-bold)}.text-xs{font-size:var(--font-size-xs)}.text-sm{font-size:var(--font-size-sm)}.text-base{font-size:var(--font-size-base)}.text-lg{font-size:var(--font-size-lg)}.text-xl{font-size:var(--font-size-xl)}.text-2xl{font-size:var(--font-size-2xl)}.text-3xl{font-size:var(--font-size-3xl)}.text-primary{color:var(--color-text-primary)}.text-secondary{color:var(--color-text-secondary)}.text-tertiary{color:var(--color-text-tertiary)}.mb-2{margin-bottom:var(--spacing-sm)}.mb-4{margin-bottom:var(--spacing-md)}.mb-6{margin-bottom:var(--spacing-lg)}.mb-8{margin-bottom:var(--spacing-xl)}.mt-2{margin-top:var(--spacing-sm)}.mt-4{margin-top:var(--spacing-md)}.mt-6{margin-top:var(--spacing-lg)}.mt-8{margin-top:var(--spacing-xl)}.p-4{padding:var(--spacing-md)}.p-6{padding:var(--spacing-lg)}.p-8{padding:var(--spacing-xl)}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-center{justify-content:center}.justify-between{justify-content:space-between}.gap-2{gap:var(--spacing-sm)}.gap-4{gap:var(--spacing-md)}.gap-6{gap:var(--spacing-lg)}.w-full{width:100%}.h-full{height:100%}.min-h-screen{min-height:100vh}.rounded{border-radius:var(--radius-md)}.rounded-lg{border-radius:var(--radius-lg)}.shadow-sm{box-shadow:var(--shadow-sm)}.shadow-md{box-shadow:var(--shadow-md)}.shadow-lg{box-shadow:var(--shadow-lg)}.transition{transition:all var(--transition-normal)}.transition-fast{transition:all var(--transition-fast)}