:root{color-scheme:light;--color-primary:#2b5cff;--color-secondary:#111827;--color-accent:#10b981;--bg-main:#f7f9fc;--bg-card:#ffffff;--bg-muted:#eef1f7;--text-main:#0f172a;--text-muted:#4b5563;--border-main:#e5e7eb;--shadow-soft:0 18px 50px rgba(15,23,42,0.12);--radius-sm:8px;--radius-md:12px;--radius-lg:18px;--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-5:24px;--space-6:32px;--space-7:48px;--space-8:64px;--font-body:"Inter","SF Pro Text","Helvetica Neue",Arial,sans-serif;--font-heading:"Inter","SF Pro Display","Helvetica Neue",Arial,sans-serif;--line-height-base:1.6}[data-theme="dark"]{color-scheme:dark;--color-primary:#5b8dff;--color-secondary:#e5e7eb;--color-accent:#22d3ee;--bg-main:#0b1221;--bg-card:#111827;--bg-muted:#1f2937;--text-main:#e5e7eb;--text-muted:#9ca3af;--border-main:#1f2937;--shadow-soft:0 18px 50px rgba(0,0,0,0.35)}@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){color-scheme:dark;--color-primary:#5b8dff;--color-secondary:#e5e7eb;--color-accent:#22d3ee;--bg-main:#0b1221;--bg-card:#111827;--bg-muted:#1f2937;--text-main:#e5e7eb;--text-muted:#9ca3af;--border-main:#1f2937;--shadow-soft:0 18px 50px rgba(0,0,0,0.35)}}:root,[data-theme]{background-color:var(--bg-main);color:var(--text-main)}.shadow-soft{box-shadow:var(--shadow-soft)}.radius-sm{border-radius:var(--radius-sm)}.radius-md{border-radius:var(--radius-md)}.radius-lg{border-radius:var(--radius-lg)}