:root {
    --ds-color-primary: #4361EE;
    --ds-color-primary-hover: #3451D1;
    --ds-color-primary-active: #2A42B8;
    --ds-color-primary-subtle: #EEF2FF;
    --ds-color-primary-muted: rgba(67, 97, 238, 0.14);
    --ds-color-primary-border: rgba(67, 97, 238, 0.2);
    --ds-color-success: #10B981;
    --ds-color-success-muted: rgba(16, 185, 129, 0.16);
    --ds-color-success-border: rgba(16, 185, 129, 0.2);
    --ds-color-success-text: #065F46;
    --ds-color-quality: #22C55E;
    --ds-color-warning: #F59E0B;
    --ds-color-warning-muted: rgba(245, 158, 11, 0.16);
    --ds-color-warning-border: rgba(245, 158, 11, 0.2);
    --ds-color-warning-text: #92400E;
    --ds-color-danger: #EF4444;
    --ds-color-danger-hover: #DC2626;
    --ds-color-danger-muted: rgba(239, 68, 68, 0.15);
    --ds-color-danger-border: rgba(239, 68, 68, 0.18);
    --ds-color-danger-text: #7F1D1D;
    --ds-color-text-primary: #0F172A;
    --ds-color-text-secondary: #475569;
    --ds-color-text-tertiary: #64748B;
    --ds-color-text-muted: #94A3B8;
    --ds-color-text-placeholder: #CBD5E1;
    --ds-color-text-inverse: #FFFFFF;
    --ds-color-surface: #FFFFFF;
    --ds-color-surface-raised: #FAFBFF;
    --ds-color-surface-overlay: rgba(67, 97, 238, 0.02);
    --ds-color-surface-sunken: #F1F5F9;
    --ds-color-surface-inset: #E2E8F0;
    --ds-color-border: rgba(15, 23, 42, 0.14);
    --ds-color-border-strong: rgba(15, 23, 42, 0.24);
    --ds-color-border-subtle: rgba(15, 23, 42, 0.07);
    --ds-color-border-input: #CBD5E1;
    --ds-color-pos-forward: #E32E2E;
    --ds-color-pos-midfielder: #15803D;
    --ds-color-pos-defender: #2563EB;
    --ds-color-pos-goalkeeper: #D97706;
    --ds-color-thead: #E6ECFE;
    --ds-color-row-hover: #F5F7FF;
    --ds-color-toggle-off: #CBD5E1;
    --ds-font-family: 'Inter', system-ui, -apple-system, sans-serif;
    --ds-font-mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;
    --ds-text-xs: 0.75rem;
    --ds-text-sm: 0.875rem;
    --ds-text-base: 1rem;
    --ds-text-lg: 1.125rem;
    --ds-text-xl: 1.25rem;
    --ds-text-2xl: 1.5rem;
    --ds-text-3xl: 1.875rem;
    --ds-text-4xl: 2.25rem;
    --ds-font-normal: 400;
    --ds-font-medium: 500;
    --ds-font-semibold: 600;
    --ds-font-bold: 700;
    --ds-font-extrabold: 800;
    --ds-font-black: 900;
    --ds-leading-tight: 1.2;
    --ds-leading-snug: 1.35;
    --ds-leading-normal: 1.5;
    --ds-leading-relaxed: 1.625;
    --ds-leading-loose: 1.75;
    --ds-tracking-tight: -0.03em;
    --ds-tracking-normal: 0em;
    --ds-tracking-wide: 0.02em;
    --ds-tracking-wider: 0.05em;
    --ds-tracking-widest: 0.1em;
    --ds-space-1: 4px;
    --ds-space-2: 8px;
    --ds-space-3: 12px;
    --ds-space-4: 16px;
    --ds-space-5: 20px;
    --ds-space-6: 24px;
    --ds-space-8: 32px;
    --ds-space-10: 40px;
    --ds-space-12: 48px;
    --ds-space-16: 64px;
    --ds-space-20: 80px;
    --ds-radius-sm: 6px;
    --ds-radius-md: 8px;
    --ds-radius-lg: 12px;
    --ds-radius-xl: 18px;
    --ds-radius-2xl: 24px;
    --ds-radius-full: 9999px;
    --ds-shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.05);
    --ds-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.07), 0 1px 8px rgba(0, 0, 0, 0.04);
    --ds-shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08), 0 1px 4px rgba(0, 0, 0, 0.04);
    --ds-shadow-lg: 0 10px 32px rgba(0, 0, 0, 0.09), 0 2px 8px rgba(0, 0, 0, 0.04);
    --ds-shadow-xl: 0 20px 56px rgba(0, 0, 0, 0.12), 0 6px 16px rgba(0, 0, 0, 0.06);
    --ds-shadow-brand: 0 4px 18px rgba(67, 97, 238, 0.28);
    --ds-shadow-brand-hover: 0 8px 32px rgba(67, 97, 238, 0.4);
    --ds-shadow-focus: 0 0 0 3px rgba(67, 97, 238, 0.16);
    --ds-shadow-inner: inset 0 1px 3px rgba(0, 0, 0, 0.06);
    --ds-transition-fast: 80ms ease;
    --ds-transition-base: 140ms ease;
    --ds-transition-medium: 200ms ease;
    --ds-transition-slow: 280ms ease;
    --ds-transition-spring: 400ms cubic-bezier(0.34, 1.56, 0.64, 1);
    --ds-transition-spring-fast: 200ms cubic-bezier(0.34, 1.56, 0.64, 1);
    --ds-z-dropdown: 100;
    --ds-z-sticky: 200;
    --ds-z-overlay: 500;
    --ds-z-modal: 1000;
    --ds-z-toast: 9000;
    --ds-z-max: 99999;
    --ds-btn-h-sm: 32px;
    --ds-btn-h-md: 40px;
    --ds-btn-h-lg: 48px;
    --ds-input-h-sm: 32px;
    --ds-input-h-md: 40px;
    --ds-input-h-lg: 48px;
    --ds-avatar-sm: 28px;
    --ds-avatar-md: 36px;
    --ds-avatar-lg: 48px;
    --ds-avatar-xl: 64px;
    --ds-tooltip-bg: #1E293B;
    --ds-tooltip-color: #F1F5F9;
}