/* ============================================================
   Topbar / Navbar
   Fixed top bar with brand, nav links, dropdowns, mobile menu.
   ============================================================ */

.topbar,
.exsa .topbar {
  position: fixed;
  top: 0; inset-inline-start: 0; inset-inline-end: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
  padding: 0 24px;
  margin: 0;
  max-width: none;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-bg-secondary);
  transition: background 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  font-family: inherit;
  text-align: start;
  gap: 16px;
}

/* Scrolled — shadow */
.topbar--scrolled {
  box-shadow: 0 1px 8px var(--color-shadow);
}

/* ── Left / Right sections ── */
.topbar__left,
.topbar__right {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}
.topbar__left  { margin-inline-end: auto; }
.topbar__right { margin-inline-start: auto; }

/* Brand / Logo */
.topbar__brand {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-text);
  text-decoration: none;
  letter-spacing: -0.01em;
  white-space: nowrap;
  flex-shrink: 0;
}
.topbar__brand span { color: var(--color-link); }

/* Nav container */
.topbar nav {
  margin: 0;
  font-weight: normal;
  display: flex;
  align-items: center;
}

/* Override .exsa button styles — only for nav links & toggle, not .topbar__btn */
.topbar .topbar__link,
.topbar .topbar__toggle {
  background-color: transparent;
  border: none;
  color: inherit;
  padding: 0;
  margin: 0;
  font-size: inherit;
  font-weight: inherit;
  line-height: inherit;
  border-radius: var(--border-radius);
}
.topbar__nav {
  display: flex;
  align-items: center;
  gap: 2px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.topbar__nav > li {
  margin: 10px;
  padding: 0 !important;
  display: inline-block;
  position: relative;
  text-align: start;
}

/* Nav links */
.topbar__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  text-decoration: none;
  border-radius: var(--border-radius);
  transition: color 0.15s, background 0.15s;
  line-height: 1.4;
  font-family: inherit;
  border: none;
  background: none;
  cursor: pointer;
}
.topbar__link:hover {
  color: var(--color-text);
  background: var(--color-bg-secondary);
}
.topbar__link--active {
  color: var(--color-link);
  background: color-mix(in srgb, var(--color-link) 10%, transparent);
}

/* Action buttons in topbar */
.topbar__btn {
  display: inline-flex;
  align-items: center;
  padding: 6px 16px;
  font-size: 0.85rem;
  font-weight: 500;
  border-radius: var(--border-radius);
  font-family: inherit;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
  line-height: 1.4;
  text-decoration: none;
  white-space: nowrap;
  border: 1px solid var(--color-bg-secondary);
  background: var(--color-bg);
  color: var(--color-text);
}
.topbar__btn:hover {
  background: var(--color-bg-secondary);
}
.topbar__btn--primary {
  background: var(--color-link) !important;
  color: var(--color-button-text, #fff) !important;
  border-color: var(--color-link) !important;
}
.topbar__btn--primary:hover {
  opacity: 0.9;
}

/* ── Dropdown menus ── */
.topbar__dropdown { position: relative; }
.topbar__dd-trigger { gap: 2px; }

.topbar__dd-menu {
  position: absolute;
  top: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%);
  min-width: 180px;
  background: var(--color-bg);
  border: 1px solid var(--color-bg-secondary);
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow) var(--color-shadow);
  padding: 6px 0;
  list-style: none;
  margin: 0;
  display: none;
  opacity: 0;
  visibility: hidden;
  transform: translateX(-50%) translateY(-6px);
  transition: opacity 0.18s, transform 0.18s, visibility 0.18s;
  z-index: 1001;
}

.topbar__dropdown--open > .topbar__dd-menu {
  display: block !important;
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.topbar__dd-item {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 8px 16px;
  font-size: 0.84rem;
  color: var(--color-text);
  text-decoration: none;
  background: none;
  border: none;
  cursor: pointer;
  text-align: start;
  font-family: inherit;
  transition: background 0.12s;
  line-height: 1.5;
  margin: 0 !important;
}
.topbar__dd-item:hover { background: var(--color-bg-secondary); }
.topbar__dd-item .ic { flex-shrink: 0; }

.topbar__dd-divider {
  height: 1px;
  background: var(--color-bg-secondary);
  margin: 1px 0;
}

/* ── Hamburger toggle (mobile) ── */
.topbar__toggle {
  display: none;
  width: 36px;
  height: 36px;
  align-items: center;
  justify-content: center;
  border: none;
  background: none;
  cursor: pointer;
  padding: 0;
  margin: 0;
  color: var(--color-text);
  border-radius: var(--border-radius);
  transition: background 0.15s;
  flex-shrink: 0;
}
.topbar__toggle:hover { background: var(--color-bg-secondary); }
.topbar__toggle .ic { width: 22px; height: 22px; }

/* ── Mobile (< 768px) ── */
@media (max-width: 767px) {
  .topbar__toggle { display: inline-flex; }

  .topbar__left,
  .topbar__right { gap: 4px; }

  .topbar__nav {
    position: absolute;
    top: 56px;
    inset-inline-start: 0; inset-inline-end: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-bg-secondary);
    box-shadow: var(--box-shadow) var(--color-shadow);
    padding: 8px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity 0.2s, transform 0.2s, visibility 0.2s;
  }

  .topbar--open .topbar__nav {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .topbar__nav > li { display: block; }

  .topbar__link,
  .topbar__dd-trigger {
    width: 100%;
    padding: 10px 24px;
    border-radius: 0;
    font-size: 0.9rem;
    justify-content: flex-start;
  }

  .topbar__btn { padding: 5px 10px; font-size: 0.78rem; }

  /* Mobile dropdowns — static, no animation */
  .topbar__dd-menu {
    position: static !important;
    transform: none !important;
    inset-inline-start: auto !important;
    box-shadow: none !important;
    border: none !important;
    border-top: 1px solid var(--color-bg-secondary) !important;
    border-radius: 0 !important;
    background: var(--color-bg-secondary) !important;
    display: none !important;
    opacity: 1 !important;
    visibility: visible !important;
    transition: none !important;
  }
  .topbar__dropdown--open > .topbar__dd-menu { display: block !important; }
  .topbar__dd-item { padding-inline-start: 40px; }
}