/* App Header */
.app-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: calc(56px + env(safe-area-inset-top, 0px));
  padding-top: env(safe-area-inset-top, 0px);
  background-color: var(--bg-surface, #ffffff);
  border-bottom: 1px solid var(--color-off-white, #EBEDF7);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
}

.app-header__inner {
  width: 100%;
  max-width: 640px;
  padding: 0 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Left section — profile avatar */
.app-header__left {
  position: relative;
  flex-shrink: 0;
}

.app-header__avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: var(--color-primary, #3F51B5);
  color: #ffffff;
  font-size: 0.8125rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border: none;
  padding: 0;
  line-height: 1;
  letter-spacing: 0.5px;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.app-header__avatar:active {
  transform: scale(0.93);
}

/* Center — page title */
.app-header__center {
  flex: 1;
  text-align: center;
  min-width: 0;
}

.app-header__title {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--text-dark, #282A33);
  margin: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.app-header__space-name {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-muted, #6c757d);
  text-decoration: none;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.app-header__space-name:hover {
  color: var(--text-dark, #282A33);
}

/* Right section — analytics */
.app-header__right {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
}

.app-header__analytics-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  color: var(--text-muted, #8D909F);
  text-decoration: none;
  transition: background-color 0.15s ease, color 0.15s ease;
  -webkit-tap-highlight-color: transparent;
}

.app-header__analytics-link:hover,
.app-header__analytics-link:active {
  background-color: var(--color-off-white, #EBEDF7);
  color: var(--color-primary, #3F51B5);
}

.app-header__analytics-icon {
  width: 22px;
  height: 22px;
}

/* Profile dropdown */
.app-header__dropdown-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 109;
}

.app-header__dropdown-backdrop[data-visible] {
  display: block;
}

.app-header__dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: 220px;
  background-color: var(--bg-surface, #ffffff);
  border-radius: 12px;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.12), 0 1px 4px rgba(0, 0, 0, 0.06);
  padding: 0.5rem 0;
  z-index: 110;
  overflow: hidden;
}

.app-header__dropdown[data-visible] {
  display: block;
}

.app-header__dropdown-header {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--color-off-white, #EBEDF7);
}

.app-header__dropdown-name {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-dark, #282A33);
  margin: 0;
}

.app-header__dropdown-email {
  font-size: 0.75rem;
  color: var(--text-muted, #8D909F);
  margin: 0.125rem 0 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.app-header__dropdown-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  width: 100%;
  padding: 0.625rem 1rem;
  font-size: 0.875rem;
  color: var(--text-dark, #282A33);
  text-decoration: none;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  transition: background-color 0.12s ease;
  -webkit-tap-highlight-color: transparent;
}

.app-header__dropdown-item:hover,
.app-header__dropdown-item:active {
  background-color: var(--color-off-white, #EBEDF7);
}

.app-header__dropdown-item--disabled {
  color: var(--text-muted, #8D909F);
  cursor: default;
  pointer-events: none;
  opacity: 0.6;
}

.app-header__dropdown-item--danger {
  color: var(--color-danger, #F44336);
}

.app-header__dropdown-item--danger:hover,
.app-header__dropdown-item--danger:active {
  background-color: var(--color-danger-20, #fcd9d6);
}

.app-header__dropdown-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.app-header__dropdown-divider {
  height: 1px;
  background-color: var(--color-off-white, #EBEDF7);
  margin: 0.25rem 0;
}

/* Language switcher inside dropdown */
.app-header__dropdown-language {
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}