:root {
  color-scheme: dark;
  --page: #151716;
  --surface: #202321;
  --ink: #f2f1ec;
  --muted: #b0b5af;
  --line: #3d423d;
  --accent: #ff8055;
  font-family: "Segoe UI", Arial, sans-serif;
  color: var(--ink);
  background: var(--page);
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { min-height: 100vh; margin: 0; display: flex; flex-direction: column; }
h1, h2, p { margin: 0; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }
a, button { -webkit-tap-highlight-color: transparent; touch-action: manipulation; }
a:focus-visible, button:focus-visible { outline: 3px solid var(--accent); outline-offset: 5px; }
main:focus { outline: none; }
.container { width: min(1320px, calc(100% - 96px)); margin-inline: auto; }
.skip-link { position: fixed; left: 20px; top: 16px; z-index: 10; padding: 12px 18px; background: var(--accent); color: var(--page); transform: translateY(-180%); clip-path: inset(50%); }
.skip-link:focus { transform: none; clip-path: none; }
.site-header { min-height: 100px; display: flex; align-items: center; justify-content: space-between; gap: 24px; border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; align-items: baseline; gap: 4px; font-size: 30px; font-weight: 900; letter-spacing: -1px; }
.brand-dot { width: 7px; height: 7px; background: var(--accent); }
.site-header nav { display: flex; align-items: center; flex-wrap: wrap; gap: 28px; font-size: 13px; }
.site-header nav a { padding-block: 14px; }
.site-header nav [aria-current="page"] { color: var(--accent); }
a:hover { color: var(--accent); }
.account-area { min-width: 0; }
.account-link { display: inline-flex; align-items: center; justify-content: space-between; gap: 18px; min-height: 44px; padding: 12px 16px; border: 1px solid #6b726a; font-size: 12px; }
.account-link:hover { border-color: var(--accent); }
.session-notice { display: flex; align-items: center; flex-wrap: wrap; gap: 10px 14px; padding-block: 16px; color: var(--muted); font-size: 13px; line-height: 1.6; }
.session-notice button { min-height: 44px; padding: 8px 14px; border: 1px solid var(--line); color: var(--ink); background: var(--surface); }
.session-notice button:disabled { opacity: .6; cursor: wait; }
main { flex: 1; }
.page-intro { padding-block: 64px 42px; }
.eyebrow { color: var(--accent); font-size: 11px; font-weight: 600; letter-spacing: 1.8px; line-height: 1.6; text-transform: uppercase; }
h1 { margin-top: 22px; font-size: clamp(44px, 5.2vw, 72px); font-weight: 750; line-height: 1.05; letter-spacing: -2.8px; text-transform: uppercase; }
h1 span { color: var(--muted); }
.lead { max-width: 480px; margin-top: 24px; color: var(--muted); font-size: 15px; line-height: 1.7; }
.credentials-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.credential-card { min-width: 0; padding: 28px; border: 1px solid var(--line); background: var(--surface); border-radius: 4px; }
.card-topline { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.card-topline .eyebrow { color: var(--muted); font-size: 10px; }
.card-number { color: var(--muted); font-size: 12px; font-variant-numeric: tabular-nums; }
h2 { margin-top: 24px; font-size: clamp(23px, 2.1vw, 29px); font-weight: 650; line-height: 1.2; letter-spacing: -.7px; }
.empty-state { margin-top: 28px; padding-top: 22px; border-top: 1px solid var(--line); }
.empty-mark { display: block; color: var(--accent); font-size: 24px; line-height: 1; }
.empty-state p { max-width: 250px; margin-top: 16px; color: var(--muted); font-size: 14px; line-height: 1.7; }
.back-link { display: inline-flex; align-items: center; gap: 12px; min-height: 44px; margin-block: 28px 40px; font-size: 13px; }
.back-link span { color: var(--accent); }
.site-footer { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px 24px; padding-block: 24px; border-top: 1px solid var(--line); font-size: 12px; color: var(--muted); }
.site-footer p { line-height: 1.6; }
.site-footer a { display: inline-flex; align-items: center; gap: 14px; min-height: 44px; }
.site-footer a span { color: var(--accent); }

@media (max-width: 1040px) {
  .container { width: calc(100% - 64px); }
  .site-header { gap: 20px; }
  .site-header nav { gap: 18px; }
  .credential-card { padding: 22px; }
  .credentials-grid { gap: 16px; }
}

@media (max-width: 760px) {
  .container { width: calc(100% - 40px); }
  .site-header { display: grid; grid-template-columns: auto 1fr; gap: 12px 16px; padding-block: 18px; }
  .brand { font-size: 25px; }
  .site-header nav { grid-column: 1 / -1; grid-row: 2; gap: 20px; font-size: 12px; }
  .account-area { grid-column: 2; grid-row: 1; justify-self: end; }
  .account-link { gap: 12px; padding-inline: 12px; }
  .page-intro { padding-block: 40px 30px; }
  h1 { font-size: clamp(32px, 7.3vw, 54px); letter-spacing: -1.4px; margin-top: 18px; }
  .lead { margin-top: 20px; font-size: 14px; }
  .credentials-grid { grid-template-columns: 1fr; }
  .credential-card { padding: 24px; }
  h2 { margin-top: 18px; font-size: 26px; }
  .empty-state { margin-top: 22px; padding-top: 18px; }
  .empty-state p { max-width: 360px; margin-top: 12px; }
  .back-link { margin-block: 22px 28px; }
}

@media (max-width: 380px) {
  .container { width: calc(100% - 32px); }
  .brand { font-size: 22px; }
  .account-link { font-size: 11px; }
  .site-header nav { gap: 16px; font-size: 11px; }
  .credential-card { padding: 22px; }
}