/* Page shells: site header and footer, auth screen, admin shell. */

/* ---------- brand ---------- */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--c-ink);
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  text-decoration: none;
}
.brand:hover { color: var(--c-ink); }
.brand--light, .brand--light:hover { color: #fff; }
.logo { width: 2rem; height: 2rem; color: var(--c-primary); }
.logo__a { fill: currentColor; }
.logo__b { fill: var(--c-accent); fill-opacity: 0.92; }
.brand--light .logo { color: #fff; }

/* ---------- site header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  border-bottom: 1px solid var(--c-line);
  background: #fff;
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-4);
  min-height: 4rem;
}
.nav-toggle { margin-right: calc(var(--s-2) * -1); }

.site-nav {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  flex-direction: column;
  gap: var(--s-4);
  padding: var(--s-4) var(--gutter) var(--s-5);
  border-bottom: 1px solid var(--c-line);
  background: #fff;
}
.site-nav.is-open { display: flex; }

.site-nav__links { display: flex; flex-direction: column; gap: var(--s-1); list-style: none; }
.site-nav__links a {
  display: block;
  padding: 0.5rem 0.75rem;
  border-radius: var(--r-md);
  color: var(--c-ink);
  font-weight: 700;
  text-decoration: none;
}
.site-nav__links a:hover { background: var(--c-primary-soft); }
.site-nav__links a[aria-current="page"] { background: var(--c-primary-soft); color: var(--c-primary-hover); }

.site-nav__actions { display: flex; flex-wrap: wrap; align-items: center; gap: var(--s-2); }

@media (min-width: 52rem) {
  .nav-toggle { display: none; }
  .site-nav {
    position: static;
    display: flex;
    flex: 1;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    margin-left: var(--s-6);
    padding: 0;
    border: 0;
  }
  .site-nav__links { flex-direction: row; }
}

/* account menu */
.account-menu { position: relative; }
.account-menu__button { display: grid; list-style: none; cursor: pointer; border-radius: 50%; }
.account-menu__button::-webkit-details-marker { display: none; }
.account-menu__panel {
  position: absolute;
  right: 0;
  top: calc(100% + var(--s-2));
  z-index: 40;
  display: grid;
  min-width: 14rem;
  padding: var(--s-2);
  border: 1px solid var(--c-line);
  border-radius: var(--r-lg);
  background: #fff;
  box-shadow: var(--shadow-2);
}
.account-menu__who { margin: 0; padding: var(--s-2) var(--s-3) var(--s-3); border-bottom: 1px solid var(--c-line); font-size: var(--fs-sm); color: var(--c-text-muted); }
.account-menu__who strong { color: var(--c-ink); }
.account-menu__panel a, .account-menu__panel button {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  width: 100%;
  padding: 0.6rem var(--s-3);
  border: 0;
  border-radius: var(--r-md);
  background: transparent;
  color: var(--c-ink);
  font: inherit;
  text-align: left;
  text-decoration: none;
  cursor: pointer;
}
.account-menu__panel a:hover, .account-menu__panel button:hover { background: var(--c-primary-soft); }

/* flash messages under the header */
.flash-stack { display: grid; gap: var(--s-2); padding-top: var(--s-4); }

/* ---------- footer ---------- */
.site-footer { margin-top: auto; background: var(--c-ink); color: var(--c-dark-text); }
.site-footer__inner {
  display: grid;
  gap: var(--s-5);
  padding-block: var(--s-7) var(--s-5);
}
@media (min-width: 40rem) {
  .site-footer__inner { grid-template-columns: 1fr auto; align-items: start; }
}
.site-footer__blurb { margin: var(--s-3) 0 0; max-width: 34ch; color: var(--c-dark-muted); }
.site-footer__links { display: grid; gap: var(--s-2); list-style: none; }
.site-footer__links a { color: var(--c-dark-text); }
.site-footer__links a:hover { color: #fff; }
.site-footer__base { padding-block: var(--s-4); border-top: 1px solid rgba(255, 255, 255, 0.14); color: var(--c-dark-muted); }

/* ---------- auth screens (sign up, log in) ---------- */
.auth-shell { display: grid; min-height: 100vh; }
.auth-aside {
  display: flex;
  flex-direction: column;
  gap: var(--s-6);
  padding: var(--s-5) var(--gutter);
  background: var(--c-primary);
  color: #fff;
}
.auth-body--admin .auth-aside { background: var(--c-ink); }
.auth-aside__copy h2 { margin-bottom: var(--s-2); font-size: var(--fs-xl); }
.auth-aside__copy p { margin: 0; color: var(--c-focus-soft); }
.auth-body--admin .auth-aside__copy p { color: var(--c-dark-muted); }
.auth-main { display: grid; align-content: center; gap: var(--s-4); padding: var(--s-6) var(--gutter); }
.auth-main .flash-stack { padding-top: 0; width: min(100%, 26rem); margin-inline: auto; }
.auth-card { width: min(100%, 26rem); margin-inline: auto; }
.auth-card__foot { margin: var(--s-5) 0 0; text-align: center; }

@media (min-width: 56rem) {
  .auth-shell { grid-template-columns: minmax(20rem, 5fr) 7fr; }
  .auth-aside { justify-content: space-between; padding: var(--s-7); }
  .auth-aside__copy h2 { font-size: var(--fs-2xl); }
  .auth-aside__copy { max-width: 22rem; }
}

/* ---------- admin shell ---------- */
.admin-body { display: block; }
.admin-shell { display: block; min-height: 100vh; }

.admin-sidebar {
  display: none;
  padding: var(--s-5) var(--s-4);
  background: var(--c-ink);
  color: var(--c-dark-text);
}
.admin-sidebar.is-open { display: block; }

.admin-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: var(--s-6);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.15;
  text-decoration: none;
}
.admin-brand:hover { color: #fff; }
.admin-brand .logo { color: #fff; }
.admin-brand small { display: block; color: var(--c-dark-muted); font-family: var(--font-body); font-size: var(--fs-sm); font-weight: 400; }

.admin-nav { display: grid; gap: var(--s-1); list-style: none; }
.admin-nav a {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  padding: 0.65rem 0.8rem;
  border-radius: var(--r-md);
  color: #c4d8da;
  font-weight: 700;
  text-decoration: none;
}
.admin-nav a:hover { background: rgba(255, 255, 255, 0.08); color: #fff; }
.admin-nav a[aria-current="page"] { background: rgba(255, 255, 255, 0.14); color: #fff; }

.admin-topbar {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  padding: var(--s-3) var(--s-4);
  border-bottom: 1px solid var(--c-line);
  background: #fff;
}
.admin-topbar__title { flex: 1; margin: 0; font-size: var(--fs-lg); }
.admin-topbar__user { display: flex; align-items: center; gap: var(--s-3); }
.admin-topbar__email { display: none; font-size: var(--fs-sm); color: var(--c-text-muted); }
.admin-content { padding: var(--s-5) var(--s-4) var(--s-7); }
.admin-main .flash-stack { padding-inline: var(--s-4); }

@media (min-width: 60rem) {
  .admin-shell { display: grid; grid-template-columns: 16rem 1fr; }
  .admin-sidebar { display: block; position: sticky; top: 0; height: 100vh; overflow-y: auto; }
  .admin-toggle { display: none; }
  .admin-topbar { padding-inline: var(--s-6); }
  .admin-topbar__email { display: inline; }
  .admin-content { padding: var(--s-6); }
  .admin-main .flash-stack { padding-inline: var(--s-6); width: auto; margin: 0; }
}