:root{--color-primary: #0f172a;--color-primary-light: #1e293b;--color-accent: #3b82f6;--color-accent-hover: #2563eb;--color-success: #10b981;--color-warning: #f59e0b;--color-danger: #ef4444;--color-background: #f8fafc;--color-surface: #ffffff;--color-text-main: #1e293b;--color-text-muted: #64748b;--color-border: #e2e8f0;--font-family: "Inter", system-ui, -apple-system, sans-serif;--font-size-sm: .875rem;--font-size-base: 1rem;--font-size-lg: 1.125rem;--font-size-xl: 1.25rem;--font-size-2xl: 1.5rem;--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--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);--radius-sm: .25rem;--radius-md: .375rem;--radius-lg: .5rem;--radius-xl: .75rem}body{margin:0;font-family:var(--font-family);background-color:var(--color-background);color:var(--color-text-main);-webkit-font-smoothing:antialiased}.container{max-width:1200px;margin:0 auto;padding:0 var(--spacing-md)}.card{background:var(--color-surface);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:var(--spacing-lg);border:1px solid var(--color-border)}.btn{display:inline-flex;align-items:center;justify-content:center;padding:var(--spacing-sm) var(--spacing-md);border-radius:var(--radius-md);font-weight:500;cursor:pointer;border:none;transition:all .2s}.btn-primary{background-color:var(--color-primary);color:#fff}.btn-primary:hover{background-color:var(--color-primary-light)}.btn-accent{background-color:var(--color-accent);color:#fff}.btn-accent:hover{background-color:var(--color-accent-hover)}.text-xl{font-size:var(--font-size-xl);font-weight:600}.text-2xl{font-size:var(--font-size-2xl);font-weight:700}.text-muted{color:var(--color-text-muted)}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-between{justify-content:space-between}.gap-2{gap:var(--spacing-sm)}.gap-4{gap:var(--spacing-md)}.grid{display:grid;gap:var(--spacing-md)}.grid-cols-1{grid-template-columns:repeat(1,minmax(0,1fr))}@media(min-width:768px){.grid-cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-cols-4{grid-template-columns:repeat(4,minmax(0,1fr))}}