/* Shared site header primitive used by Flippy, Gallery, and Profile. */
:root {
  --site-header-height: 56px;
  --site-header-padding-x: 4px;
  --site-header-gap: 8px;
  --site-header-bg: #c0c0c0;
  --site-header-fg: #000000;
  --site-header-bevel-light: #ffffff;
  --site-header-bevel-mid: #808080;
  --site-header-bevel-dark: #404040;
  --site-header-button-bg: #c0c0c0;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: 'MS Sans Serif', 'Microsoft Sans Serif', Tahoma, Arial, sans-serif;
  height: var(--site-header-height);
  padding: 0 var(--site-header-padding-x);
  background: var(--site-header-bg);
  border-bottom: 2px solid;
  border-color: var(--site-header-bevel-light) var(--site-header-bevel-mid) var(--site-header-bevel-mid) var(--site-header-bevel-light);
  box-sizing: border-box;
}

#header.site-header,
.gallery-header.site-header,
.admin-header.site-header {
  padding: 0 var(--site-header-padding-x);
}

.admin-header.site-header {
  color: var(--site-header-fg);
  box-shadow: none;
}

.site-header-left {
  display: flex;
  align-items: center;
  gap: var(--site-header-gap);
  position: relative;
  min-width: 0;
}

.header-left.site-header-left,
.header-logo.site-header-left,
.admin-header-left.site-header-left {
  gap: var(--site-header-gap);
}

.site-header-actions {
  display: flex;
  align-items: center;
  gap: 4px;
}

.site-header-actions #btn-fullscreen svg {
  width: 18px;
  height: 18px;
}

.site-header-actions #btn-help svg {
  width: 20px;
  height: 20px;
}

.site-header-actions .admin-icon-btn {
  width: 38px;
  height: 38px;
  padding: 2px;
  background: var(--site-header-button-bg);
  border: 2px solid;
  border-color: var(--site-header-bevel-light) var(--site-header-bevel-mid) var(--site-header-bevel-mid) var(--site-header-bevel-light);
  border-radius: 0;
  box-shadow: inset 1px 1px 0 #dfdfdf, inset -1px -1px 0 var(--site-header-bevel-dark);
  color: var(--site-header-fg);
}

.site-header-actions .admin-icon-btn:active {
  background: var(--site-header-button-bg);
  border-color: var(--site-header-bevel-mid) var(--site-header-bevel-light) var(--site-header-bevel-light) var(--site-header-bevel-mid);
  box-shadow: inset 1px 1px 0 var(--site-header-bevel-dark), inset -1px -1px 0 #dfdfdf;
}

.site-header-actions .admin-avatar-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  padding: 2px;
  background: var(--site-header-button-bg);
  border: 2px solid;
  border-color: var(--site-header-bevel-light) var(--site-header-bevel-mid) var(--site-header-bevel-mid) var(--site-header-bevel-light);
  box-shadow: inset 1px 1px 0 #dfdfdf, inset -1px -1px 0 var(--site-header-bevel-dark);
}

.site-header-actions .admin-avatar-btn:active,
.site-header-actions .admin-avatar-btn.is-open {
  border-style: solid;
  border-color: var(--site-header-bevel-mid) var(--site-header-bevel-light) var(--site-header-bevel-light) var(--site-header-bevel-mid);
  box-shadow: inset 1px 1px 0 var(--site-header-bevel-dark), inset -1px -1px 0 #dfdfdf;
}

.site-header-actions #admin-avatar {
  width: 28px;
  height: 28px;
  border: 1px solid var(--site-header-bevel-mid);
  background: var(--site-header-button-bg);
}

.site-header .user-menu-dropdown {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  min-width: 150px;
  background: var(--site-header-bg);
  border: 2px outset var(--site-header-bg);
  box-shadow: 2px 2px 0 #000000;
  padding: 2px;
  z-index: 260;
}

.site-header .logo-menu-dropdown {
  top: calc(100% + 4px);
  left: 0;
  right: auto;
}

.site-header .user-menu-item {
  display: block;
  width: 100%;
  padding: 7px 10px;
  background: transparent;
  border: 0;
  color: var(--site-header-fg);
  text-align: left;
  text-decoration: none;
  font-family: inherit;
  font-size: 12px;
  cursor: pointer;
}

.site-header .user-menu-item:hover,
.site-header .user-menu-item:focus {
  background: linear-gradient(to right, #000080, #1084d0);
  color: #ffffff;
  outline: none;
}

.site-logo-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
  min-height: 0;
  width: auto;
  height: auto;
  padding: 0;
  background: none;
  border: 0;
  box-shadow: none;
  color: inherit;
  cursor: pointer;
  line-height: 0;
  position: relative;
}

#btn-logo-menu.header-avatar-btn.site-logo-button,
#btn-logo-menu.header-logo-btn.site-logo-button {
  min-width: 0;
  min-height: 0;
  width: auto;
  height: auto;
  margin: 0;
  padding: 0;
  background: none;
  border: 0;
  box-shadow: none;
}

.site-logo-button:active,
.site-logo-button.is-open,
#btn-logo-menu.header-avatar-btn.site-logo-button:active,
#btn-logo-menu.header-avatar-btn.site-logo-button.is-open,
#btn-logo-menu.header-logo-btn.site-logo-button:active,
#btn-logo-menu.header-logo-btn.site-logo-button.is-open {
  border: 0;
  box-shadow: none;
}

.site-logo {
  display: block;
  flex-shrink: 0;
  width: 80px;
  height: 44px;
  object-fit: contain;
  background: transparent;
}

#btn-logo-menu .site-logo,
.site-logo-button > .site-logo {
  width: 80px;
  height: 44px;
}

.site-title {
  color: var(--site-header-fg);
  font-size: 18px;
  font-weight: bold;
  letter-spacing: 0.5px;
  line-height: 1;
  pointer-events: none;
  white-space: nowrap;
}

.site-header-user {
  position: relative;
  display: flex;
  align-items: center;
  min-width: 0;
}