:root{--bg-primary:#fff;--bg-secondary:#f3f4f6;--text-primary:#000;--text-secondary:#626262;--accent:#ed383b;--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-full:9999px;--transition-fast:.2s ease-in-out;--transition-base:.25s ease-in-out;--transition-slow:.3s ease-in-out;--font-sans:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--line-height-tight:1.2;--line-height-base:1.5;--line-height-relaxed:1.6;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #0000001a;--shadow-lg:0 10px 15px -3px #0000001a;--shadow-xl:0 20px 25px -5px #0000001a;--touch-target-min:44px;--z-dropdown:1000;--z-sticky:1020;--z-fixed:1030;--z-modal-backdrop:1040;--z-modal:1050;--z-popover:1060;--z-tooltip:1070}[data-theme=dark],.dark{--bg-primary:#181818;--bg-secondary:#2a2a2a;--text-primary:#fff;--text-secondary:#898989;--accent:#ed383b;--shadow-sm:0 1px 2px 0 #0000004d;--shadow-md:0 4px 6px -1px #0006;--shadow-lg:0 10px 15px -3px #00000080;--shadow-xl:0 20px 25px -5px #0009}.section-spacing{padding-top:var(--spacing-3xl);padding-bottom:var(--spacing-3xl)}.smooth-transition{transition:all var(--transition-base)}.touch-target{min-height:var(--touch-target-min);min-width:var(--touch-target-min)}.card-modern{background-color:var(--bg-secondary);border-radius:var(--radius-md);padding:var(--spacing-lg)}.focus-ring:focus-visible{outline:2px solid var(--accent);outline-offset:2px}