/* Shared layout: header, navigation, account menu, banners and footer. */

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--color-bg) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}

.site-header__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3) var(--space-5);
  min-height: var(--header-height);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text);
  text-decoration: none;
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  letter-spacing: 0.02em;
}

.brand:hover {
  color: var(--color-text);
}

.brand__logo {
  flex-shrink: 0;
}

.brand__name {
  white-space: nowrap;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-left: auto;
}

/* Mobile: the nav drops below the header row when opened. */
.primary-nav {
  display: none;
  order: 10;
  flex-basis: 100%;
  padding-bottom: var(--space-3);
}

.primary-nav.is-open {
  display: block;
}

.primary-nav__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.primary-nav__link {
  display: block;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  color: var(--color-text-nav);
  font-size: 0.9375rem;
  text-decoration: none;
}

.primary-nav__link:hover {
  color: var(--color-text);
  background: var(--color-surface-raised);
}

.primary-nav__link[aria-current="page"] {
  color: var(--color-text);
  background: var(--color-accent-soft);
}

@media (min-width: 900px) {
  .site-header__inner {
    flex-wrap: nowrap;
  }

  .primary-nav {
    display: block;
    order: 0;
    flex-basis: auto;
    padding-bottom: 0;
  }

  .primary-nav__list {
    flex-direction: row;
  }

  /* Extra specificity: .icon-button in components.css sets display too. */
  .header-actions .nav-toggle {
    display: none;
  }
}

/* Phones: tighten the header so brand and buttons fit on one row. */
@media (max-width: 479px) {
  .site-header__inner {
    column-gap: var(--space-3);
  }

  .site-header .brand {
    gap: var(--space-2);
    font-size: var(--text-base);
  }

  .header-actions {
    gap: 6px;
  }

  .account-area .button {
    padding-inline: var(--space-3);
  }
}

/* Small phones: show the short name ("ZBF") instead of the full name.
   The full name stays available to screen readers. */
.brand__short {
  display: none;
}

@media (max-width: 399px) {
  .site-header .brand__name {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
  }

  .site-header .brand__short {
    display: inline;
  }
}

/* ---------- Theme toggle ---------- */

/* Show the icon of the theme you will switch TO. */
.icon--sun { display: block; }
.icon--moon { display: none; }
:root[data-theme="light"] .icon--sun { display: none; }
:root[data-theme="light"] .icon--moon { display: block; }

/* ---------- Account menu ---------- */

.account-area {
  position: relative;
}

.account-button {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  min-height: 40px;
  padding: var(--space-1) var(--space-2) var(--space-1) var(--space-1);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: var(--text-sm);
}

.account-button:hover {
  border-color: var(--color-border-strong);
}

.account-button__name {
  max-width: 14ch;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.account-button .icon {
  width: 16px;
  height: 16px;
  transition: transform var(--transition-fast);
}

.account-button[aria-expanded="true"] .icon {
  transform: rotate(180deg);
}

/* Phones: the account button shrinks to just the avatar. */
@media (max-width: 479px) {
  .account-button {
    padding: var(--space-1);
  }

  .account-button__name,
  .account-button .icon {
    display: none;
  }
}

.account-menu {
  position: absolute;
  right: 0;
  top: calc(100% + var(--space-2));
  min-width: 220px;
  padding: var(--space-2);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
}

.account-menu__header {
  padding: var(--space-2) var(--space-3) var(--space-3);
  margin-bottom: var(--space-2);
  border-bottom: 1px solid var(--color-border);
}

.account-menu__name {
  display: block;
  font-weight: 600;
}

.account-menu__ign {
  display: block;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.account-menu__item {
  display: block;
  width: 100%;
  padding: var(--space-2) var(--space-3);
  border: 0;
  border-radius: var(--radius-sm);
  background: none;
  color: var(--color-text);
  font-size: var(--text-sm);
  text-align: left;
  text-decoration: none;
}

.account-menu__item:hover {
  background: var(--color-surface-raised);
  color: var(--color-text);
}

.account-menu form {
  margin: 0;
}

/* ---------- Banners ---------- */

.site-banners:empty {
  display: none;
}

.banner {
  border-bottom: 1px solid var(--banner-border);
  background: var(--banner-bg);
  color: var(--banner-text);
}

.banner__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2) var(--space-4);
  padding-block: var(--space-3);
}

.banner__message {
  flex: 1 1 260px;
  margin: 0;
  font-size: var(--text-sm);
}

.banner__actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.banner__link {
  color: inherit;
  font-weight: 600;
  font-size: var(--text-sm);
}

.banner__link:hover {
  color: inherit;
}

.banner__dismiss {
  display: inline-grid;
  place-items: center;
  width: 32px;
  height: 32px;
  padding: 0;
  border: 0;
  border-radius: var(--radius-sm);
  background: none;
  color: inherit;
}

.banner__dismiss:hover {
  background: color-mix(in srgb, currentColor 12%, transparent);
}

.banner__dismiss .icon {
  width: 18px;
  height: 18px;
}

.banner--info    { --banner-bg: var(--color-info-bg);    --banner-border: var(--color-info-border);    --banner-text: var(--color-info-text); }
.banner--success { --banner-bg: var(--color-success-bg); --banner-border: var(--color-success-border); --banner-text: var(--color-success-text); }
.banner--warning { --banner-bg: var(--color-warning-bg); --banner-border: var(--color-warning-border); --banner-text: var(--color-warning-text); }
.banner--critical { --banner-bg: var(--color-danger-bg); --banner-border: var(--color-danger-border); --banner-text: var(--color-danger-text); }

/* Join-the-Discord banner, centred as in mock-up A. */
.banner--join {
  --banner-bg: var(--color-accent-surface);
  --banner-border: var(--color-accent-surface-border);
  --banner-text: var(--color-accent-surface-text);
}

.banner--join .banner__inner {
  justify-content: center;
  text-align: center;
}

.banner--join .banner__message {
  flex: 0 1 auto;
}

.banner--join .banner__link {
  color: var(--color-link-hover);
}

/* ---------- Footer ---------- */

.site-footer {
  margin-top: var(--space-8);
  border-top: 1px solid var(--color-border);
  background: var(--color-bg-elevated);
  font-size: var(--text-sm);
}

.site-footer__inner {
  display: grid;
  gap: var(--space-6);
  padding-block: var(--space-7) var(--space-6);
}

@media (min-width: 720px) {
  .site-footer__inner {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }
}

.site-footer__tagline {
  margin-top: var(--space-3);
  max-width: 40ch;
  color: var(--color-text-muted);
}

.site-footer__heading {
  margin-bottom: var(--space-3);
  font-size: var(--text-sm);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-text-subtle);
}

.site-footer__links {
  display: grid;
  gap: var(--space-2);
}

.site-footer__links a {
  color: var(--color-text-muted);
  text-decoration: none;
}

.site-footer__links a:hover {
  color: var(--color-text);
  text-decoration: underline;
}

.site-footer__base {
  padding-block: var(--space-4);
  border-top: 1px solid var(--color-border);
  color: var(--color-text-subtle);
}

.site-footer__base p {
  margin: 0;
}

/* ---------- Simple pages (placeholders, errors) ---------- */

.page-simple__inner {
  padding-block: var(--space-8);
}