:root { --sig-blue: #0069a0; --sig-blue-dark: #004f78; --sig-ink: #111820; --sig-muted: #5b6672; --sig-line: #d9dee3; --sig-page-width: 1240px; }
html { scrollbar-gutter: stable; }
[hidden] { display: none !important; }
.sig-nav, .sig-nav *, .sig-modal-backdrop, .sig-modal-backdrop * { box-sizing: border-box; }
.sig-nav { background: #fff; border-bottom: 1px solid #e4e8eb; box-shadow: 0 1px 0 rgba(0, 105, 160, 0.08); position: sticky; top: 0; z-index: 30; }
.sig-nav::before { background: var(--sig-blue); content: ""; height: 3px; inset: 0 0 auto; position: absolute; }
.sig-nav-inner { align-items: center; display: flex; gap: 26px; min-height: 100px; justify-content: space-between; margin: 0 auto; max-width: var(--sig-page-width); padding: 22px 32px; }
.sig-brand { align-items: center; color: var(--sig-ink); display: inline-flex; font-size: 20px; font-weight: 800; gap: 10px; letter-spacing: 0; line-height: 1; text-decoration: none; white-space: nowrap; }
.sig-brand-mark { align-items: center; background: #fff; border: 2px solid var(--sig-blue); display: inline-flex; height: 32px; justify-content: center; position: relative; width: 32px; }
.sig-brand-mark::before { background: var(--sig-blue); content: ""; height: 16px; position: absolute; width: 4px; }
.sig-brand-mark::after { border: 2px solid var(--sig-blue); content: ""; height: 12px; position: absolute; transform: rotate(45deg); width: 12px; }
.sig-nav-links { align-items: center; display: flex; flex: 1; gap: 18px; min-width: 0; }
.sig-nav-link { color: #33404c; font-size: 14px; font-weight: 700; text-decoration: none; white-space: nowrap; }
.sig-nav-link:hover, .sig-nav-link.active { color: var(--sig-blue); }
.sig-nav-spacer { flex: 1; }
.sig-product-path { align-items: center; color: #33404c; display: flex; flex-wrap: wrap; font-size: 14px; font-weight: 700; gap: 9px; min-width: 0; }
.sig-product-path a { color: #33404c; text-decoration: none; }
.sig-product-path a:hover { color: var(--sig-blue); }
.sig-path-separator { color: #8a96a1; font-weight: 400; }
.sig-path-current { color: var(--sig-blue); min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sig-auth-panel { align-items: center; display: flex; gap: 8px; justify-content: flex-end; position: relative; }
.sig-button { background: var(--sig-blue); border: 1px solid var(--sig-blue); border-radius: 3px; color: #fff; cursor: pointer; font: inherit; font-size: 14px; min-height: 36px; padding: 8px 12px; }
.sig-button:hover { background: var(--sig-blue-dark); }
.sig-account-button { align-items: center; background: #fff; border: 1px solid #cbd5df; color: #25303b; display: inline-flex; gap: 9px; max-width: 250px; padding: 7px 11px; }
.sig-account-button:hover { background: #f4f8fb; border-color: var(--sig-blue); color: var(--sig-blue); }
.sig-account-button:focus-visible { outline: 2px solid var(--sig-blue); outline-offset: 3px; }
.sig-account-button::before { background: #dcebf4; border: 1px solid #b9d4e3; content: ""; display: inline-block; height: 18px; width: 18px; }
.sig-account-label { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sig-account-caret { color: #61707c; font-size: 12px; transition: transform .16s ease; }
.sig-account-button[aria-expanded="true"] .sig-account-caret { transform: rotate(180deg); }
.sig-account-menu { background: #fff; border: 1px solid var(--sig-line); box-shadow: 0 14px 30px rgba(18, 32, 46, 0.16); min-width: 240px; padding: 8px; position: absolute; right: 0; top: calc(100% + 10px); z-index: 35; }
.sig-account-menu-email { border-bottom: 1px solid #e4e9ee; color: var(--sig-muted); font-size: 13px; margin-bottom: 6px; overflow: hidden; padding: 6px 8px 10px; text-overflow: ellipsis; white-space: nowrap; }
.sig-account-menu a, .sig-account-menu button { background: transparent; border: 0; border-left: 3px solid transparent; border-radius: 0; box-sizing: border-box; color: #25303b; cursor: pointer; display: block; font: inherit; font-size: 14px; padding: 9px 10px; text-align: left; text-decoration: none; width: 100%; }
.sig-account-menu a:hover, .sig-account-menu button:hover { background: #f4f8fb; border-left-color: var(--sig-blue); color: var(--sig-blue); }
.sig-modal-backdrop { align-items: center; background: rgba(12, 20, 28, 0.48); display: none; inset: 0; justify-content: center; padding: 20px; position: fixed; z-index: 40; }
.sig-modal-backdrop.open { display: flex; }
.sig-auth-modal { background: #fff; border: 1px solid var(--sig-line); box-shadow: 0 18px 50px rgba(18, 32, 46, 0.22); max-width: 390px; padding: 20px; width: 100%; }
.sig-auth-modal h2 { margin: 0 0 6px; }
.sig-auth-modal p { color: var(--sig-muted); margin: 0 0 14px; }
.sig-auth-modal label { color: #33404c; display: block; font-size: 13px; font-weight: 700; margin-top: 10px; }
.sig-auth-modal input { border: 1px solid #cbd5df; border-radius: 3px; box-sizing: border-box; margin-top: 5px; padding: 9px; width: 100%; }
.sig-auth-modal-actions { display: flex; gap: 8px; justify-content: flex-end; margin-top: 14px; }
.sig-auth-status { color: #6b7682; font-size: 13px; min-height: 18px; margin-top: 10px; }
@media (max-width: 760px) {
  .sig-nav-inner { align-items: stretch; flex-direction: column; gap: 12px; height: auto; min-height: 118px; padding: 17px 20px 16px; }
  .sig-nav-links { flex-wrap: wrap; gap: 12px 18px; }
  .sig-auth-panel { justify-content: flex-start; }
  .sig-account-button { max-width: 100%; }
}