*,:after,:before{box-sizing:border-box}body,html{margin:0;padding:0}body{font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-size:15px;color:#0f172a;background:#f4f6fb;line-height:1.5;-webkit-font-smoothing:antialiased}a{color:#2563eb;text-decoration:none}a:hover{text-decoration:underline}h1,h2,h3{margin:0 0 16px;line-height:1.25}button{font-family:inherit}.btn-primary{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:8px 16px;border:none;border-radius:6px;font:inherit;font-weight:600;cursor:pointer;transition:background-color .15s ease,opacity .15s ease}.btn-primary:disabled{opacity:.6;cursor:not-allowed}.btn-primary{background:#2563eb;color:#f8fafc}.btn-primary:hover:not(:disabled){background:#1d4ed8}.field-error{color:#dc2626;font-size:.85rem;margin-top:4px}.form-alert{padding:8px 16px;border-radius:6px;font-size:.9rem}.form-alert--error{background:#fef2f2;color:#dc2626;border:1px solid #fecaca}.form-alert--success{background:#f0fdf4;color:#16a34a;border:1px solid #bbf7d0}