:root{--primary:#2563eb;--primary-hover:#1d4ed8;--success:#16a34a;--warning:#f59e0b;--danger:#dc2626;--canvas:#f9fafb;--surface:#fff;--border:#e5e7eb;--text:#111827;--muted:#6b7280;color:var(--text);background:var(--canvas);font-family:ui-sans-serif,system-ui,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol,Noto Color Emoji}*{box-sizing:border-box}body{background:var(--canvas);color:var(--text);margin:0}button,input{font:inherit}button{cursor:pointer}button:focus-visible,summary:focus-visible{outline:2px solid var(--primary);outline-offset:2px}