/* Zrain UI v1.0.0: shared design tokens, header and footer.
   Keep this file identical across products. Application content remains independent. */
:root {
  --zrain-brand-ink: #121e2a;
  --zrain-brand-muted: #667286;
  --zrain-brand-accent: #bd5338;
  --zrain-brand-edge: #eddfd5;
  --zrain-brand-paper: #fff7f1;
}
body {
  font-family: "Inter", "Segoe UI", Arial, sans-serif;
}
.zrain-header {
  position: sticky;
  top: 0;
  z-index: 15;
  background: rgba(255, 250, 248, .96);
  border-bottom: 1px solid var(--zrain-brand-edge);
  backdrop-filter: blur(14px);
}
.zrain-header .zrain-header__inner {
  width: min(1160px, calc(100% - 48px));
  max-width: none;
  min-height: 75px;
  height: auto;
  margin-inline: auto;
  display: flex;
  align-items: center;
  gap: 32px;
}
.zrain-header .zrain-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  color: var(--zrain-brand-ink);
  font-weight: 500;
  text-decoration: none;
}
.zrain-header .zrain-brand__logo {
  width: 42px;
  height: 42px;
  object-fit: contain;
  border-radius: 0;
  background: transparent;
  flex-shrink: 0;
  display: block;
}
.zrain-header .zrain-brand__label {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  font-family: "Inter", "Segoe UI", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.35;
  font-weight: 500;
  letter-spacing: -.4px;
  white-space: nowrap;
}
.zrain-header .zrain-brand__label strong {
  color: var(--zrain-brand-ink);
  font-weight: 800;
}
.zrain-header .zrain-brand__product {
  margin: 0;
  color: var(--zrain-brand-muted);
  font-size: inherit;
  font-weight: 500;
  letter-spacing: inherit;
}
.zrain-header .topnav,
.zrain-header .main-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  margin-left: auto;
  margin-right: 0;
}
.zrain-header .topnav a,
.zrain-header .main-nav a {
  color: #526071;
  font-size: 12px;
  font-weight: 650;
  font-family: inherit;
  white-space: nowrap;
}
.zrain-header .topnav a.current {
  color: #b8492e;
}
.zrain-header .nav-github,
.zrain-header .account-actions .button,
.zrain-header > .zrain-header__inner > .button {
  min-height: 42px;
  border-radius: 9px;
}
.zrain-footer {
  width: 100%;
  max-width: none;
  margin-top: 70px;
  padding: 0;
  background: var(--zrain-brand-paper);
  border-top: 1px solid var(--zrain-brand-edge);
  color: var(--zrain-brand-ink);
  font-family: "Inter", "Segoe UI", Arial, sans-serif;
}
.zrain-footer .zrain-footer__inner {
  width: min(1160px, calc(100% - 48px));
  max-width: none;
  margin-inline: auto;
  padding: 22px 0;
  min-height: 91px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  flex-direction: row;
}
.zrain-footer .zrain-footer__identity {
  display: inline-flex;
  flex-shrink: 0;
  align-items: center;
  gap: 11px;
  color: var(--zrain-brand-ink);
}
.zrain-footer .zrain-footer__logo {
  width: 38px;
  height: 38px;
  display: block;
  object-fit: contain;
  flex-shrink: 0;
  border-radius: 0;
  background: transparent;
}
.zrain-footer .zrain-footer__copy {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.zrain-footer .zrain-footer__copy strong {
  font-size: 12px;
  line-height: 1.45;
  font-weight: 750;
  color: var(--zrain-brand-ink);
}
.zrain-footer .zrain-footer__copy small {
  font-size: 10px;
  line-height: 1.5;
  font-weight: 400;
  color: var(--zrain-brand-muted);
}
.zrain-footer .zrain-footer__links {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 18px;
}
.zrain-footer .zrain-footer__links a {
  color: var(--zrain-brand-accent);
  font-size: 11px;
  line-height: 1.5;
  font-weight: 500;
  text-decoration: none;
}
.zrain-footer .zrain-footer__links a:hover {
  text-decoration: underline;
}
@media (max-width: 800px) {
  .zrain-header .zrain-header__inner { gap: 16px; }
  .zrain-header .topnav,
  .zrain-header .main-nav { gap: 12px; }
}
@media (max-width: 700px) {
  .zrain-header .zrain-header__inner {
    width: calc(100% - 28px);
    min-height: 64px;
    gap: 12px;
  }
  .zrain-header .zrain-brand__logo { width: 36px; height: 36px; }
  .zrain-header .zrain-brand__label { font-size: 14px; gap: 6px; }
  .zrain-header .main-nav { display: none; }
  .zrain-footer .zrain-footer__inner {
    width: calc(100% - 28px);
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
}
@media (max-width: 450px) {
  .zrain-header .zrain-header__inner { flex-wrap: wrap; }
  .zrain-header .topnav { order: 3; flex: 1 0 100%; justify-content: flex-start; }
  .zrain-header .account-actions { margin-left: auto; }
}

/* Zrain UI: the logo and "Zrain" open the ecosystem.
   Product name links back to the individual product. */
.zrain-header .zrain-brand__home {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  font-family: "Inter", "Segoe UI", Arial, sans-serif;
  font-weight: 800;
  font-size: 17px;
  line-height: 1.35;
  letter-spacing: -.4px;
  color: var(--zrain-brand-ink);
  text-decoration: none;
}
.zrain-header .zrain-brand__name { font-weight: 800; }
.zrain-header .zrain-brand__product {
  font-size: 17px;
  line-height: 1.35;
  font-weight: 500;
  text-decoration: none;
}
.zrain-header .zrain-brand__home:hover,
.zrain-header .zrain-brand__product:hover,
.zrain-footer .zrain-footer__home:hover { text-decoration: none; }
.zrain-header .zrain-brand__home:focus-visible,
.zrain-header .zrain-brand__product:focus-visible,
.zrain-footer .zrain-footer__home:focus-visible {
  outline: 3px solid #c68066;
  outline-offset: 3px;
  border-radius: 4px;
}
.zrain-footer .zrain-footer__home {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--zrain-brand-ink);
  text-decoration: none;
}
.zrain-footer .zrain-footer__home:hover .zrain-footer__copy strong {
  color: var(--zrain-brand-accent);
}
@media (max-width: 700px) {
  .zrain-header .zrain-brand__home { font-size: 14px; gap: 7px; }
  .zrain-header .zrain-brand__product { font-size: 14px; }
}