/*
 * Shared application header (includes/header.php).
 * One continuous surface in two tiers: identity (brand, current business,
 * account) above, sections below. The current business is always visible so
 * people never act on the wrong tenant's data. Active section = green underline
 * plus weight (state, not decoration). Values come from kulima-tokens.css.
 */

.kulima-visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* The legacy template reserved space for its fixed navbars; the new header is sticky in flow. */
body.horizontal-layout.navbar-sticky,
body.horizontal-layout .wrapper,
body.horizontal-layout .main-panel {
  padding-top: 0 !important;
  margin-top: 0 !important;
}
body.horizontal-layout .main-content { padding-top: var(--kulima-space-5); }

.kulima-header {
  position: sticky;
  top: 0;
  z-index: 1030;
  background: var(--kulima-neutral-0);
  border-bottom: 1px solid var(--kulima-neutral-200);
  font-family: var(--kulima-font-body);
}

.kulima-header a { text-decoration: none; }

/* ---------- Tier 1: identity ---------- */
.kulima-header__bar {
  display: flex;
  align-items: center;
  gap: var(--kulima-space-4);
  max-width: 1440px;
  min-height: 64px;
  margin: 0 auto;
  padding: 0 var(--kulima-space-5);
}

.kulima-header__toggle {
  display: none;
  place-items: center;
  width: 44px;
  height: 44px;
  margin-left: calc(var(--kulima-space-2) * -1);
  border: 0;
  border-radius: var(--kulima-radius-md);
  background: transparent;
  color: var(--kulima-neutral-800);
  font-size: 1.5rem;
  cursor: pointer;
}

.kulima-header__brand {
  display: inline-flex;
  flex: none;
  align-items: center;
  gap: var(--kulima-space-2);
  color: var(--kulima-green-800);
  font-family: var(--kulima-font-heading);
  font-size: var(--kulima-font-size-md);
  font-weight: var(--kulima-font-weight-black);
  letter-spacing: -0.02em;
}
.kulima-header__brand:hover { color: var(--kulima-green-900); }
.kulima-header__brand img { border-radius: 50%; }

.kulima-header__business {
  display: flex;
  align-items: center;
  gap: var(--kulima-space-2);
  min-width: 0;
  padding-left: var(--kulima-space-4);
  border-left: 1px solid var(--kulima-neutral-200);
}
.kulima-header__business-label {
  flex: none;
  color: var(--kulima-color-text-muted);
  font-size: var(--kulima-font-size-xs);
}
.kulima-header__business-name {
  overflow: hidden;
  color: var(--kulima-neutral-900);
  font-family: var(--kulima-font-heading);
  font-size: var(--kulima-font-size-sm);
  font-weight: var(--kulima-font-weight-bold);
  text-overflow: ellipsis;
  white-space: nowrap;
}
.kulima-header__business-switch {
  flex: none;
  color: var(--kulima-green-700);
  font-size: var(--kulima-font-size-xs);
  font-weight: var(--kulima-font-weight-bold);
  text-decoration: underline !important;
  text-underline-offset: 3px;
}

/* ---------- Account menu ---------- */
.kulima-account { position: relative; margin-left: auto; }

.kulima-account__trigger {
  display: flex;
  align-items: center;
  gap: var(--kulima-space-3);
  min-height: 44px;
  padding: var(--kulima-space-1) var(--kulima-space-2) var(--kulima-space-1) var(--kulima-space-1);
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: background-color 150ms ease;
}
.kulima-account__trigger:hover,
.kulima-account__trigger[aria-expanded="true"] { background: var(--kulima-neutral-100); }

.kulima-account__avatar {
  display: grid;
  flex: none;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--kulima-green-700);
  color: var(--kulima-neutral-0);
  font-family: var(--kulima-font-heading);
  font-size: var(--kulima-font-size-xs);
  font-weight: var(--kulima-font-weight-bold);
  letter-spacing: 0.04em;
}

.kulima-account__who { display: grid; line-height: 1.2; }
.kulima-account__name {
  color: var(--kulima-neutral-900);
  font-size: var(--kulima-font-size-sm);
  font-weight: var(--kulima-font-weight-bold);
}
.kulima-account__role { color: var(--kulima-color-text-muted); font-size: var(--kulima-font-size-xs); }
.kulima-account__chevron { color: var(--kulima-color-text-muted); font-size: 0.75rem; }

.kulima-account__menu {
  position: absolute;
  top: calc(100% + var(--kulima-space-2));
  right: 0;
  width: 15rem;
  padding: var(--kulima-space-2);
  border: 1px solid var(--kulima-neutral-200);
  border-radius: var(--kulima-radius-lg);
  background: var(--kulima-neutral-0);
  box-shadow: 0 6px 14px -6px oklch(0.205 0.010 152 / 0.28);
}
.kulima-account__summary {
  display: grid;
  gap: 2px;
  padding: var(--kulima-space-2) var(--kulima-space-3) var(--kulima-space-3);
  border-bottom: 1px solid var(--kulima-neutral-100);
  margin-bottom: var(--kulima-space-1);
}
.kulima-account__email { overflow: hidden; color: var(--kulima-color-text-muted); font-size: var(--kulima-font-size-xs); text-overflow: ellipsis; }
.kulima-account__menu ul { margin: 0; padding: 0; list-style: none; }
.kulima-account__menu a {
  display: flex;
  align-items: center;
  gap: var(--kulima-space-3);
  min-height: 40px;
  padding: 0 var(--kulima-space-3);
  border-radius: var(--kulima-radius-md);
  color: var(--kulima-neutral-800);
  font-size: var(--kulima-font-size-sm);
}
.kulima-account__menu a:hover { background: var(--kulima-green-50); color: var(--kulima-green-800); }

/* ---------- Tier 2: sections ---------- */
.kulima-nav {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 var(--kulima-space-5);
}

.kulima-nav__list {
  display: flex;
  /* Phase 37 (T37.13, F-UI-006): a role that sees every group (the tenant admin) has more entries than fit one row at 1440 px; wrap to a second row
     instead of scrolling the whole page sideways. */
  flex-wrap: wrap;
  gap: var(--kulima-space-1);
  margin: 0;
  padding: 0;
  list-style: none;
}

.kulima-nav__item { position: relative; }

.kulima-nav__link,
.kulima-nav__trigger {
  display: flex;
  align-items: center;
  gap: var(--kulima-space-2);
  min-height: 44px;
  padding: 0 var(--kulima-space-3);
  border: 0;
  border-bottom: 2px solid transparent;
  background: transparent;
  color: var(--kulima-neutral-600);
  font-family: var(--kulima-font-heading);
  font-size: var(--kulima-font-size-sm);
  font-weight: var(--kulima-font-weight-medium);
  white-space: nowrap;
  cursor: pointer;
  transition: color 150ms ease, border-color 150ms ease;
}
.kulima-nav__link .bi,
.kulima-nav__trigger .bi:first-child { color: var(--kulima-neutral-400); transition: color 150ms ease; }
.kulima-nav__chevron { font-size: 0.75rem; transition: transform 150ms ease; }

.kulima-nav__link:hover,
.kulima-nav__trigger:hover,
.kulima-nav__trigger[aria-expanded="true"] { color: var(--kulima-neutral-900); }
.kulima-nav__trigger[aria-expanded="true"] .kulima-nav__chevron { transform: rotate(180deg); }

.kulima-nav__item.is-current > .kulima-nav__link,
.kulima-nav__item.is-current > .kulima-nav__trigger {
  border-bottom-color: var(--kulima-green-600);
  color: var(--kulima-green-800);
  font-weight: var(--kulima-font-weight-bold);
}
.kulima-nav__item.is-current > .kulima-nav__link .bi,
.kulima-nav__item.is-current > .kulima-nav__trigger .bi:first-child { color: var(--kulima-green-600); }

.kulima-nav__panel {
  position: absolute;
  top: calc(100% + 1px);
  left: 0;
  z-index: 1031;
  min-width: 16rem;
  padding: var(--kulima-space-2);
  border: 1px solid var(--kulima-neutral-200);
  border-radius: 0 0 var(--kulima-radius-lg) var(--kulima-radius-lg);
  background: var(--kulima-neutral-0);
  box-shadow: 0 6px 14px -6px oklch(0.205 0.010 152 / 0.28);
}
.kulima-nav__panel-title {
  margin: var(--kulima-space-1) var(--kulima-space-3) var(--kulima-space-2);
  color: var(--kulima-color-text-muted);
  font-size: var(--kulima-font-size-xs);
}
.kulima-nav__panel ul { margin: 0; padding: 0; list-style: none; }

.kulima-nav__entry {
  display: flex;
  align-items: center;
  gap: var(--kulima-space-3);
  min-height: 40px;
  padding: 0 var(--kulima-space-3);
  border-radius: var(--kulima-radius-md);
  color: var(--kulima-neutral-800);
  font-size: var(--kulima-font-size-sm);
}
.kulima-nav__entry .bi { color: var(--kulima-neutral-400); }
a.kulima-nav__entry:hover { background: var(--kulima-green-50); color: var(--kulima-green-800); }
a.kulima-nav__entry:hover .bi { color: var(--kulima-green-600); }
.kulima-nav__entry.is-current { background: var(--kulima-green-50); color: var(--kulima-green-800); font-weight: var(--kulima-font-weight-bold); }
.kulima-nav__entry.is-unavailable { color: var(--kulima-neutral-400); cursor: default; }
.kulima-nav__note {
  margin-left: auto;
  color: var(--kulima-color-text-muted);
  font-size: var(--kulima-font-size-xs);
  white-space: nowrap;
}
.kulima-nav__separator { height: 1px; margin: var(--kulima-space-2) var(--kulima-space-3); background: var(--kulima-neutral-100); }

/* ---------- Focus ---------- */
.kulima-header :is(a, button):focus-visible {
  outline: 3px solid var(--kulima-green-600);
  outline-offset: 2px;
  border-radius: var(--kulima-radius-md);
}

@media (prefers-reduced-motion: reduce) {
  .kulima-header * { transition: none !important; }
}

/* ---------- Medium screens: tighten the section row ---------- */
@media (max-width: 1279.98px) {
  .kulima-nav__link .bi,
  .kulima-nav__trigger .bi:first-child { display: none; }
  .kulima-nav__link,
  .kulima-nav__trigger { padding: 0 var(--kulima-space-2); }
}

/* ---------- Small screens: sections become a drawer ---------- */
@media (max-width: 991.98px) {
  .kulima-header__bar { gap: var(--kulima-space-3); padding: 0 var(--kulima-space-4); }
  .kulima-header__toggle { display: grid; }
  .kulima-header__business-label,
  .kulima-account__chevron { display: none; }
  /* Phase 20: hidden visually only, so the account button keeps the person's
   * name as its accessible name on phones (WCAG 4.1.2). */
  .kulima-account__who {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    clip-path: inset(50%);
    white-space: nowrap;
  }
  .kulima-header__business { padding-left: var(--kulima-space-3); }

  .kulima-nav {
    display: none;
    max-height: calc(100vh - 64px);
    overflow-y: auto;
    padding: var(--kulima-space-2) var(--kulima-space-4) var(--kulima-space-4);
    border-top: 1px solid var(--kulima-neutral-100);
  }
  .kulima-header.is-nav-open .kulima-nav { display: block; }
  .kulima-nav__list { flex-direction: column; gap: 0; }
  .kulima-nav__link,
  .kulima-nav__trigger { width: 100%; min-height: 48px; border-bottom: 0; font-size: var(--kulima-font-size-base); }
  .kulima-nav__link .bi,
  .kulima-nav__trigger .bi:first-child { display: inline-block; }
  .kulima-nav__chevron { margin-left: auto; }
  .kulima-nav__item.is-current > .kulima-nav__link,
  .kulima-nav__item.is-current > .kulima-nav__trigger { box-shadow: inset 3px 0 0 var(--kulima-green-600); }
  .kulima-nav__panel {
    position: static;
    min-width: 0;
    padding: 0 0 var(--kulima-space-2) var(--kulima-space-5);
    border: 0;
    box-shadow: none;
  }
  .kulima-nav__panel-title { display: none; }
}

@media (max-width: 479.98px) {
  /* Visually hidden (not display:none) so the logo link keeps the name "Kulima". */
  .kulima-header__brand span {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    clip-path: inset(50%);
    white-space: nowrap;
  }
}