/* ========================================
   NAVIGATION COMPONENTS
   Clean platform aesthetic - subtle hover effects
   ======================================== */

/* Nav Left/Right containers (legacy - hidden) */
.nav-left,
.nav-right {
  display: none;
}

/* Top Nav Bar integrated elements */
.top-nav-left .nav-dropdown,
.top-nav-right .nav-dropdown {
  position: relative;
}

/* Navigation Button */
.nav-button {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-xl);
  border: 1px solid var(--color-border-secondary);
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  text-decoration: none;
  font-weight: var(--font-weight-medium);
  transition: all var(--transition-base);
  background: var(--color-bg-transparent);
}

.nav-button:hover {
  background: var(--color-bg-base-light);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* Navigation Dropdown Container */
.nav-dropdown {
  position: relative;
}

.nav-menu-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  cursor: pointer;
}

/* Menu Icon Buttons (Hamburger & Vertical Dots) - Blue outline like Create Index */
.nav-menu-icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  padding: 0;
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--color-primary);
  cursor: pointer;
  transition: all var(--transition-base);
  box-shadow: none;
  position: relative;
  left: auto;
  top: auto;
  z-index: auto;
}

.nav-menu-icon-btn-right {
  left: auto;
  right: 1.25rem;
  border: none;
}

.nav-menu-icon-btn:hover {
  background: var(--color-primary-light);
  border-color: var(--color-primary);
  color: var(--color-primary);
  box-shadow: 0 0 15px rgba(var(--color-primary-rgb), 0.3);
}

.nav-menu-icon-btn:active {
  transform: scale(0.95);
}

.nav-menu-icon-btn .hamburger-icon {
  flex-shrink: 0;
  transition: color var(--transition-base);
}

.hamburger-icon {
  flex-shrink: 0;
}

/* Navigation Dropdown Menu - Clean dark style */
.nav-dropdown-menu {
  position: absolute !important;
  top: calc(100% + 8px) !important;
  left: 0 !important;
  min-width: 200px !important;
  max-width: 280px !important;
  background: var(--color-bg-base-mid) !important;
  border: 1px solid var(--color-border-secondary) !important;
  border-radius: var(--radius-lg) !important;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5) !important;
  backdrop-filter: blur(12px) !important;
  -webkit-backdrop-filter: blur(12px) !important;
  opacity: 0 !important;
  visibility: hidden !important;
  transform: translateY(-10px) !important;
  transition: all 0.2s ease !important;
  z-index: 9999 !important;
  overflow: hidden !important;
  padding: 0.25rem 0 !important;
}

.nav-dropdown-menu-right {
  left: auto !important;
  right: 0 !important;
}

.nav-dropdown-menu.show {
  opacity: 1 !important;
  visibility: visible !important;
  transform: translateY(0) !important;
}

/* Scrollbar styling */
.nav-dropdown-menu::-webkit-scrollbar {
  width: 6px;
}

.nav-dropdown-menu::-webkit-scrollbar-track {
  background: transparent;
}

.nav-dropdown-menu::-webkit-scrollbar-thumb {
  background: var(--color-border-light);
  border-radius: 3px;
}

.nav-dropdown-menu::-webkit-scrollbar-thumb:hover {
  background: var(--color-border-secondary);
}

/* Individual dropdown item */
.nav-dropdown-item {
  display: block;
  padding: 0.75rem 1rem !important;
  color: var(--color-text-secondary) !important;
  text-decoration: none !important;
  font-size: 0.95rem !important;
  font-weight: 500 !important;
  cursor: pointer !important;
  transition: all 0.15s ease !important;
  background: transparent !important;
  border: none !important;
}

/* Hidden state for auth-controlled menu items */
.nav-dropdown-item[style*="display: none"] {
  display: none !important;
}

.nav-dropdown-item:hover {
  background: var(--color-bg-base-light) !important;
  color: var(--color-primary) !important;
}

.nav-dropdown-item:active,
.nav-dropdown-item.active {
  background: var(--color-primary-light) !important;
  color: var(--color-primary) !important;
}

/* Mobile-only dropdown items (hidden on desktop when nav links are visible) */
.nav-dropdown-mobile-only {
  display: none !important;
}

@media (max-width: 768px) {
  .nav-dropdown-mobile-only {
    display: block !important;
  }
}

/* Dropdown divider */
.nav-dropdown-divider {
  height: 1px;
  background: var(--color-border-light);
  margin: 0.5rem 0;
}

/* Header Search Bar (Compact, Expandable) */
.header-search-container {
  position: relative;
  margin-left: auto;
  margin-right: 0;
}

.header-search-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  transition: all 0.3s ease;
}

.header-search-wrapper .header-search-icon {
  position: absolute;
  left: 0.75rem;
  color: var(--color-text-muted);
  pointer-events: none;
  transition: all 0.3s ease;
  z-index: 1;
}

.header-search-input {
  width: 40px;
  height: 44px;
  padding: 0 var(--spacing-md) 0 2.5rem;
  background: var(--color-bg-base-mid);
  border: 1px solid var(--color-border-secondary);
  border-radius: var(--radius-md);
  color: var(--color-text-input);
  font-size: var(--font-size-base);
  transition: all var(--transition-slow);
  cursor: pointer;
}

.header-search-input::placeholder {
  opacity: 0;
  transition: opacity 0.3s ease;
}

.header-search-input:focus,
.header-search-input:not(:placeholder-shown) {
  width: 320px;
  padding-left: 2.75rem;
  padding-right: 2.5rem;
  cursor: text;
  border-color: var(--color-primary);
  box-shadow: 0 0 15px rgba(var(--color-primary-rgb), 0.2);
}

.header-search-input:focus::placeholder,
.header-search-input:not(:placeholder-shown)::placeholder {
  opacity: 1;
}

.header-search-input:focus {
  outline: none;
  border-color: var(--color-primary);
  background: var(--color-bg-base-mid);
}

.header-clear-search {
  position: absolute;
  right: 0.75rem;
  background: none;
  border: none;
  color: var(--color-text-muted);
  font-size: 1.25rem;
  cursor: pointer;
  padding: 0.25rem;
  transition: color 0.2s ease;
  z-index: 2;
  display: none;
  line-height: 1;
}

.header-clear-search:hover {
  color: var(--color-primary);
}

.header-search-results {
  position: absolute;
  top: calc(100% + 0.5rem);
  left: 0;
  width: 320px;
  background: var(--color-bg-base-mid);
  border: 1px solid var(--color-border-secondary);
  border-radius: var(--radius-lg);
  max-height: 400px;
  overflow-y: auto;
  z-index: 1000;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(10px);
}

/* Create Index Button - Thin outline style (matches hamburger but blue) */
.btn-create-index {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: 0.5rem 1rem;
  background: transparent;
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-md);
  color: var(--color-primary);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-base);
  box-shadow: none;
  position: relative;
  right: auto;
  top: auto;
  z-index: auto;
}

.btn-create-index:hover {
  background: var(--color-primary-light);
  border-color: var(--color-primary);
  color: var(--color-primary);
  box-shadow: 0 0 15px rgba(var(--color-primary-rgb), 0.3);
}

.btn-create-index:active {
  transform: scale(0.95);
}

.btn-create-index svg {
  width: 14px;
  height: 14px;
  stroke-width: 2;
}

/* Responsive: Compact create button on smaller screens */
@media (max-width: 768px) {
  .btn-create-index span {
    display: none;
  }
  
  .btn-create-index {
    padding: 0.5rem;
    width: 40px;
    height: 40px;
    justify-content: center;
  }
  
  .btn-create-index svg {
    margin: 0;
  }
}

/* ============================================================================
   CREATE DROPDOWN MENU
   Dropdown for choosing between Index and Post creation
   ============================================================================ */

.create-dropdown {
  position: relative;
}

.create-dropdown-arrow {
  margin-left: 2px;
  transition: transform var(--transition-fast);
}

.create-dropdown.open .create-dropdown-arrow {
  transform: rotate(180deg);
}

.create-dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 240px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-primary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: opacity var(--transition-fast), transform var(--transition-fast), visibility var(--transition-fast);
  overflow: hidden;
}

.create-dropdown.open .create-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.create-dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md) var(--spacing-lg);
  text-decoration: none;
  color: var(--color-text-primary);
  transition: background var(--transition-fast);
}

.create-dropdown-item:hover {
  background: var(--color-bg-tertiary);
}

.create-dropdown-item svg {
  flex-shrink: 0;
  color: var(--color-primary);
}

.create-dropdown-item-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.create-dropdown-item-title {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}

.create-dropdown-item-desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

/* Light mode */
:root.light-mode .create-dropdown-menu {
  background: #ffffff;
  border-color: rgba(0, 0, 0, 0.1);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
}

:root.light-mode .create-dropdown-item:hover {
  background: rgba(31, 111, 235, 0.08);
}

/* Mobile: hide dropdown arrow, keep single button behavior */
@media (max-width: 768px) {
  .create-dropdown-arrow {
    display: none;
  }
  
  .create-dropdown-menu {
    min-width: 200px;
  }
}

/* ============================================================================
   LIGHT MODE OVERRIDES
   High contrast navigation with strong visibility
   ============================================================================ */

:root.light-mode .nav-menu-icon-btn {
  border: 1px solid rgba(31, 111, 235, 0.5);
  color: #1F6FEB;
  background: #ffffff;
}

:root.light-mode .nav-menu-icon-btn:hover {
  background: rgba(31, 111, 235, 0.1);
  border-color: #1F6FEB;
  box-shadow: 0 0 12px rgba(31, 111, 235, 0.2);
}

:root.light-mode .nav-dropdown-menu {
  background: #ffffff !important;
  border: 1px solid #e4e4e4 !important;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.12) !important;
}

:root.light-mode .nav-dropdown-item {
  color: #333333 !important;
  font-weight: 500 !important;
}

:root.light-mode .nav-dropdown-item:hover {
  background: #f5f5f5 !important;
  color: #1F6FEB !important;
}

:root.light-mode .nav-dropdown-item:active,
:root.light-mode .nav-dropdown-item.active {
  background: rgba(31, 111, 235, 0.1) !important;
  color: #1F6FEB !important;
}

:root.light-mode .nav-dropdown-divider {
  background: #ebebeb;
}

:root.light-mode .btn-create-index {
  border: 1px solid rgba(31, 111, 235, 0.5);
  color: #1F6FEB;
  background: #ffffff;
  font-weight: 600;
}

:root.light-mode .btn-create-index:hover {
  background: rgba(31, 111, 235, 0.1);
  border-color: #1F6FEB;
  box-shadow: 0 0 12px rgba(31, 111, 235, 0.2);
}