:root{--color-brand:#1D2A38;--color-brand-mid:#2D3E50;--color-bg-dark:#090B0E;--color-bg-surface:#141820;--color-bg-white:#FFFFFF;--color-bg-subtle:#F4F6F8;--color-text-white:#FFFFFF;--color-text-primary:#1D2A38;--color-text-secondary:#6B7280;--color-text-muted:rgba(255,255,255,0.45);--color-accent:#4DA7D8;--color-btn-primary:#2B3C4D;--color-btn-disabled:#C9CED6;--color-border:#E5E7EB;--color-border-dark:rgba(255,255,255,0.08);--color-error:#E53E3E;--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-5:20px;--space-6:24px;--space-8:32px;--space-10:40px;--space-12:48px;--space-16:64px;--radius-sm:6px;--radius-md:8px;--radius-lg:12px;--radius-xl:16px;--radius-full:9999px;--shadow-sm:0 1px 3px rgba(0,0,0,0.10);--shadow-md:0 4px 16px rgba(0,0,0,0.12);--shadow-lg:0 8px 40px rgba(0,0,0,0.18);--shadow-xl:0 16px 64px rgba(0,0,0,0.24);--font-sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;--font-size-xs:11px;--font-size-sm:13px;--font-size-base:15px;--font-size-md:16px;--font-size-lg:18px;--font-size-xl:20px;--font-size-2xl:24px;--font-size-3xl:30px;--font-weight-regular:400;--font-weight-medium:500;--font-weight-semibold:600;--font-weight-bold:700;--line-height-tight:1.2;--line-height-normal:1.5;--line-height-relaxed:1.7}*,:after,:before{box-sizing:border-box;margin:0;padding:0}html{min-height:100%}body{min-height:100vh;font-family:var(--font-sans);font-size:var(--font-size-base);line-height:var(--line-height-normal);color:var(--color-text-primary);background:var(--color-bg-white);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{color:inherit;text-decoration:none}button{cursor:pointer;border:none;background:none;font-family:inherit}img,svg{display:block;max-width:100%}