*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--brand: #2563eb;--brand-dark: #1d4ed8;--brand-text: #ffffff;--bg: #ffffff;--surface: #f8fafc;--border: #e2e8f0;--text: #0f172a;--text-muted: #64748b;--error: #dc2626;--success: #16a34a;--radius: 8px}@media(prefers-color-scheme:dark){:root{--bg: #0f172a;--surface: #1e293b;--border: #334155;--text: #f1f5f9;--text-muted: #94a3b8}}body{background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:1rem;line-height:1.6;min-height:100dvh}.skip-link{position:absolute;top:-40px;left:0;background:var(--brand);color:var(--brand-text);padding:8px 16px;text-decoration:none;border-radius:0 0 4px;z-index:100;font-weight:600}.skip-link:focus{top:0;outline:3px solid var(--text);outline-offset:2px}a:focus-visible{outline:3px solid var(--brand);outline-offset:3px;border-radius:2px}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important}}