/* HEADER - Mobile First */
.header__content {
  position: sticky;
  top: 0;
  background-color: var(--color-white);
  display: flex;
  justify-content: center;
  justify-content: flex-start;
  box-shadow: var(--shadow-md);
  z-index: 10;
  padding: 0;
  height: 5rem;
}

.header__center-wrapper {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 var(--spacing-md);
  transition: padding var(--transition-base);
}

.header__logo {
  height: 2.4375rem;
  width: auto;
}

.header__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-normal);
  color: var(--color-black);
  margin: 0;
  transition: font-size var(--transition-base);
}

@media (min-width: 821px) {
  .header__title {
    font-size: var(--font-size-xl);
  }
}

.header__help-btn {
  border: none;
  background: transparent;
  cursor: pointer;
  transition: transform var(--transition-fast);
  padding: var(--spacing-xs);
}

.header__help-btn img {
  width: 1.5rem;
  height: 1.5rem;
}

.header__help-btn:hover {
  transform: scale(1.2);
}

.header__actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.header__user {
  position: relative;
  display: flex;
  align-items: center;
}

.header__avatar {
  width: 2.5rem;
  height: 2.5rem;
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  background: transparent;
  padding: 0;
  font: inherit;
  anchor-name: --header-avatar;
}

.header__avatar:hover {
  cursor: pointer;
  background: var(--color-primary-super-light);
}

/* Mobile: Initials Sizing */
.header__user-initials {
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-base);
  line-height: 1;
}

.header__dropdown {
  position: absolute;
  background-color: var(--color-primary);
  border-radius: var(--radius-2xl) 0 var(--radius-2xl) var(--radius-2xl);
  box-shadow: var(--shadow-lg);
  padding: 1.1rem 0;
  display: flex;
  flex-direction: column;
  min-width: 9.375rem;
  opacity: 0;
  pointer-events: none;
  transition:
    opacity var(--transition-base),
    transform var(--transition-base);
  z-index: var(--z-dropdown);
  top: calc(89% + var(--spacing-xs));
  right: 0;
}

.header__dropdown.is-open {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.header__dropdown-link {
  color: var(--color-gray-200);
  text-decoration: none;
  padding: 0.6rem 1.25rem;
  font-size: var(--font-size-base);
  white-space: nowrap;
}

.header__dropdown-link:hover {
  background-color: var(--color-primary-light);
  color: var(--color-white);
}

/* ================================================
   Mobile Specific Styles (< 768px)
   ================================================ */
@media (max-width: 768px) {
  html,
  body {
    overflow-x: hidden;
  }

  .header__logo {
    width: 2.5rem;
    height: 2.5rem;
    object-fit: contain;
    padding: 0;
    background: transparent;
    cursor: pointer;
  }

  .header__title {
    display: none;
  }

  .header__help-btn {
    display: none;
  }

  .external .header__user {
    display: none;
  }

  .header__dropdown {
    transform: translateX(100%);
    transition:
      opacity 0.3s ease,
      transform 0.3s ease;
  }

  .header__dropdown.is-open {
    transform: translateX(0);
  }
}

/* ================================================
   Back Button - Centralized control via Body classes
   ================================================ */
.back-btn {
  position: fixed;
  top: calc(5rem + var(--spacing-2xl));
  right: var(--spacing-lg);
  z-index: 5;
  border: none;
  background: transparent;
  cursor: pointer;
  border-radius: 50%;
  transition:
    transform var(--transition-fast),
    background var(--transition-fast);
  display: none;
  align-items: center;
  justify-content: center;
  transform: translateY(-1rem);
  transform-origin: center;
}

.back-btn:hover {
  background: var(--color-primary-super-light);
  transform: translateY(-1rem) scale(1.15);
}

.has-back-btn .back-btn {
  display: inline-flex;
}

.back-btn-mobile-only .back-btn {
  display: none;
}

@media (max-width: 768px) {
  .back-btn-mobile-only .back-btn {
    display: inline-flex;
  }
}

/* ================================================
   Desktop Styles (Tablet/Desktop)
   ================================================ */
@media (min-width: 769px) {
  .header__content {
    grid-column: 2;
    grid-row: 1;
    height: auto;
    padding: 0;
  }

  .header__center-wrapper {
    max-width: calc(90rem - 14.5rem);
    padding: 0 var(--spacing-xl) 0 var(--spacing-5xl);
  }

  .header__logo {
    display: none;
  }

  .header__title {
    font-size: var(--font-size-xl);
  }

  .header__help-btn img {
    width: 2rem;
    height: 2rem;
  }

  .header__avatar {
    width: 3.5rem;
    height: 3.5rem;
    border-width: 3px;
  }

  .header__user-initials {
    font-size: var(--font-size-xl);
  }

  .header__dropdown {
    top: calc(108% + var(--spacing-md));
  }

  .header__dropdown-link--help {
    display: none;
  }
}

@media (min-width: 769px) and (max-width: 820px) {
  .header__center-wrapper {
    padding: 0 var(--spacing-xl) 0 var(--spacing-lg);
  }
}

.is-guest .header__avatar {
  display: none;
}