*,:after,:before{box-sizing:border-box;margin:0;padding:0}:root{--color-bg:#f9fafb;--color-surface:#ffffff;--color-border:#e5e7eb;--color-text:#111827;--color-text-muted:#6b7280;--color-primary:#4f46e5;--color-primary-hover:#4338ca;--color-danger:#dc2626;--color-danger-hover:#b91c1c;--sidebar-width:220px;--radius:8px}body{font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--color-bg);color:var(--color-text);font-size:15px;line-height:1.5}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:underline}button{cursor:pointer;border:none;border-radius:var(--radius);padding:.5rem 1rem;font-size:.95rem;font-family:inherit;transition:background .15s ease}input[type=email],input[type=password],input[type=text]{width:100%;padding:.55rem .75rem;border:1px solid var(--color-border);border-radius:var(--radius);font-size:.95rem;font-family:inherit;outline:none;transition:border-color .15s}input:focus{border-color:var(--color-primary);box-shadow:0 0 0 3px rgba(79,70,229,.12)}label{display:block;font-size:.875rem;font-weight:500;color:var(--color-text-muted);margin-bottom:.35rem}