/* Header Logo Styles */
.logo-halloween { display: none; }
.logo-christmas { display: none; }
body.spooky-mode .logo-default { display: none !important; }
body.spooky-mode .logo-halloween { display: inline-block !important; }
body.santa-mode .logo-default { display: none !important; }
body.santa-mode .logo-christmas { display: inline-block !important; }

/* #region Header Styles */
.hamburger-btn {
  display: none;
  background-color: var(--btn-background);
  border: 1px solid var(--btn-border);
  border-radius: 8px;
  box-shadow: 2px 2px 4px var(--section-header-shadow);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}
.hamburger-btn span {
  transform: scale(1.5);
  transition: transform 0.3s ease;
}

body.sidebar-open .hamburger-btn  {
  background-color: var(--btn-active-background);
}

body.sidebar-open .hamburger-btn span {
  transform: scale(1);
}

.header-btns-menu {
  display: flex;
  gap: 0.5em;
  align-items: center;
}
.header {
  display: grid;
  position: fixed;
  z-index: 1500;
  width: 100vw;
  top: 0;
  left: 0;
  grid-template-columns: auto 4px 1fr auto;
  background: linear-gradient(
        to top left, 
        var(--header-background-start), 
        var(--header-background-end)
    );
  border-bottom: 1px solid var(--header-border-color);
  box-shadow: 1 4px 6px var(--header-box-shadow);
  color: var(--header-text-color);
  margin-bottom: 32px;
}
.header-left {
  display: flex;
  align-items: center;
  grid-column: 1 / 2;
}
.logo {
  width: 48px;
  height: 48px;
  margin-left: 18px;
}
.user-info {
  display: flex;
  align-items: center;
  gap: 8px;
}
.page-title {
  grid-column: 1 / 2;
  color: var(--header-page-title);
  text-shadow: 0 0 4px var(--header-page-title-text-shadow);
  font-family: sans-serif;
  margin: 8px 0 8px 8px;
  font-size: 2.5rem;
}
.header-btns {
  grid-column: 4 / 5;
  margin: 0 16px 0 0;
  justify-self: end;
  display: flex;
  flex-direction: row;
  align-items: center;
}
.header-btn {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  background-color: transparent;
  border: none;
  color: var(--header-btn-color);
  text-decoration: none;
  margin-left: 8px;
  margin-right: 0;
  transition: color 0.15s;
  box-sizing: border-box;
  padding: 0;
  font-size: 1.2rem;
}
.header-btn span {
  margin: 0 4px;
}
.header-btn:hover {
  color: var(--header-btn-hover-color);
  text-decoration: none;
}
.favicon {
  width: 16px;
  height: 16px;
  background-color: var(--favicon-background);
  border: 1px solid var(--favicon-border);
}
/* #endregion */

/* Site Header Responsive Layout */
#article-list .section-container-header {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 1em;
}

/* Mobile Styles (max-width: 620px) */
@media (max-width: 620px) {
  #article-list .section-container-header {
    flex-wrap: wrap;
    gap: 0.5em;
  }
  #article-list .new-article-button,
  #article-list h2 {
    flex: none;
    margin-bottom: 0;
  }
  #article-list .search-bar-container {
    flex-basis: 100%;
    max-width: 100%;
    width: 100%;
    margin-top: 0.5em;
    order: 2;
  }
  .header-btns-menu {
    display: none !important;
  }
  .header-btns-menu.mobile-visible {
    display: flex !important;
    flex-direction: column;
    position: absolute;
    top: 60px;
    right: 10px;
    background: #fff;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
    border-radius: 8px;
    z-index: 100;
    min-width: 180px;
    padding: 1em 0.5em;
  }
  .hamburger-btn {
    display: flex !important;
    color: var(--body-color);
  }
  .mobile-sidebar {
    display: flex;
  }
}

/* #region Desktop Styles (min-width: 620px) */
@media (min-width: 620px) {
  .mobile-sidebar {
    display: none !important;
  }
  .hamburger-btn {
    display: none !important;
  }
  .header-btns-menu {
    display: flex !important;
    gap: 0.5em;
    align-items: center;
    position: static;
    background: none;
    box-shadow: none;
    border-radius: 0;
    min-width: unset;
    padding: 0;
  }
}
.dropdown-menu-container {
  position: relative;
  display: inline-block;
}
.dropdown-menu {
  background-color: var(--body-background);
  border: 1px solid var(--btn-border);
  box-shadow: 0px 8px 16px 0px rgba(0, 0, 0, 0.2);
  display: none;
  position: absolute;
  z-index: 16;
  min-width: 160px;
  right: 0;
  border-radius: 8px;
}
.dropdown-menu.visible {
  display: block;
}
.dropdown-item {
  color: var(--body-color);
  padding: 12px 16px;
  text-decoration: none;
  display: block;
  text-align: left;
  transition: background-color 0.2s ease; 
}
.dropdown-item:hover {
  background-color: var(--btn-hover-background);
  color: var(--body-color);
}
/* #endregion */

/* #region Mobile Sidebar Styles */
.mobile-sidebar {
  background: var(--body-background);
  border: 1px solid var(--btn-border);
  box-shadow: 2px 0 8px rgba(0,0,0,0.15);
  position: fixed;
  top: 64px;
  right: 0;
  max-height: 60vh;
  width: 50vw;
  z-index: 5;
  transform: translateY(-150%);
  transition: transform 0.3s cubic-bezier(.4,0,.2,1);
  display: flex;
  flex-direction: column;
  padding: 1em 0.5em;
}
.mobile-sidebar.sidebar-visible {
  transform: translateY(0);
}
.mobile-sidebar-links {
  display: flex;
  flex-direction: column;
}
.mobile-sidebar-links-container {
  display: flex; 
  flex-direction: column;
}
.sidebar-link {
  display: flex;
  align-items: center;
  gap: 0.5em;
  font-size: 1.2em;
  color: #222;
  text-decoration: none;
  padding: 0.5em 0.2em;
  border-radius: 4px;
  transition: background 0.2s;
  color: var(--body-color);
}
.sidebar-link:hover {
  background: var(--btn-active-background);
}
/* #endregion */