:root {
  /* Dark Theme */
  --bg-primary: #ffffff;
  --bg-secondary: #f8f9fa;
  --primary-sidebar-bg: #1a1a1a;
  --secondary-sidebar-bg: #1a1a1a;
  --text-primary: #ffffff;
  --text-primary-darker: #d0d0d0;
  --text-secondary: #a0a0a0;
  --text-secondary-lighter: #c0c0c0;
  --text-hover: #ffffff;
  --border-color: #333333;
  --hover-bg: rgba(255, 255, 255, 0.1);
  --active-bg: #333333;
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme='light'] {
  --bg-primary: #ffffff;
  --bg-secondary: #f8f9fa;
  --primary-sidebar-bg: #ffffff;
  --secondary-sidebar-bg: #ffffff;
  --text-primary: #1a1a1a;
  --text-primary-darker: #0d0d0d;
  --text-secondary: #666666;
  --text-secondary-lighter: #808080;
  --text-hover: #1a1a1a;
  --border-color: #e0e0e0;
  --hover-bg: rgba(0, 0, 0, 0.05);
  --active-bg: #f0f0f0;
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto,
    Oxygen, Ubuntu, Cantarell, sans-serif;
  background: var(--bg-secondary);
  color: var(--text-primary);
  transition: var(--transition);
  overflow-x: hidden;
  font-size: 17px;
}

button {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto,
    Oxygen, Ubuntu, Cantarell, sans-serif;
}

/* Primary Sidebar - Always collapsed, icons only */
.primary-sidebar {
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  width: 60px;
  background: var(--primary-sidebar-bg);
  border-right: 1px solid var(--border-color);
  box-shadow: var(--shadow);
  z-index: 1001;
  display: flex;
  flex-direction: column;
}

.primary-nav {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 8px 0;
}

.primary-nav-top,
.primary-nav-bottom {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.primary-nav-item {
  margin: 2px 8px;
}

.primary-nav-button {
  width: 44px;
  height: 44px;
  background: transparent;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: var(--transition);
  position: relative;
}

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

.primary-nav-button.active {
  background: var(--active-bg);
  color: var(--text-primary);
}

.primary-nav-button svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

.logo-item {
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-color);
}

.primary-nav-logo {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
  border-radius: 8px;
}

.primary-nav-logo svg {
  width: 24px;
  height: 24px;
  fill: currentColor;
}

/* Secondary Sidebar - Expands with content */
.secondary-sidebar {
  position: fixed;
  top: 0;
  left: 60px;
  height: 100vh;
  width: 0;
  background: var(--secondary-sidebar-bg);
  border-right: 1px solid var(--border-color);
  box-shadow: var(--shadow);
  z-index: 1000;
  overflow: hidden;
  transition: var(--transition);
}

.secondary-sidebar.expanded {
  width: 320px;
}

.secondary-sidebar-content {
  width: 320px;
  height: 100%;
  display: flex;
  flex-direction: column;
  opacity: 0;
  transition: opacity 0.2s ease-in-out 0.1s;
}

.secondary-sidebar.expanded:not(.collapsed) ~ .main-content {
  margin-left: 380px;
}

.secondary-sidebar.collapsed {
  width: 60px;
}

.secondary-sidebar.collapsed .secondary-sidebar-content {
  width: 60px;
}

.secondary-sidebar.collapsed ~ .main-content {
  margin-left: 120px;
}

.secondary-sidebar.expanded .secondary-sidebar-content {
  opacity: 1;
}

.secondary-sidebar.collapsed .secondary-content {
  opacity: 0;
  transition: opacity 0.1s ease-in-out;
  pointer-events: none;
}

.secondary-sidebar.expanded:not(.collapsed) .secondary-content {
  opacity: 1;
  transition: opacity 0.2s ease-in-out 0.1s;
  pointer-events: auto;
  visibility: visible;
  max-height: 87vh;
}

.secondary-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 13px 20px;
  border-bottom: 1px solid var(--border-color);
  min-height: 60px;
}

.secondary-title {
  font-size: 23px;
  font-weight: 600;
  color: var(--text-primary);
}

.close-btn {
  width: 24px;
  height: 24px;
  background: transparent;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  border-radius: 4px;
  transition: var(--transition);
}

.close-btn:hover {
  background: var(--hover-bg);
  color: var(--text-hover);
}

.close-btn svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

.search-container {
  padding: 12px 20px;
  border-bottom: 1px solid var(--border-color);
}

.search-input {
  width: 100%;
  padding: 8px 12px;
  background: var(--hover-bg);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  color: var(--text-primary);
  font-size: 14px;
  transition: var(--transition);
}

.search-input:focus {
  outline: none;
  border-color: var(--text-secondary);
  background: var(--active-bg);
}

.search-input::placeholder {
  color: var(--text-secondary);
}

.secondary-content {
  flex: 1;
  padding: 16px 0;
  overflow-y: auto;
  overflow-x: hidden;
}

.hide-scrollbar {
  scrollbar-width: none; /* Firefox */
  -ms-overflow-style: none; /* Internet Explorer 10+ */
}

.hide-scrollbar::-webkit-scrollbar {
  display: none; /* Safari and Chrome */
}

.secondary-content::-webkit-scrollbar {
  width: 4px;
}

.secondary-content::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 2px;
}

.content-section {
  margin-bottom: 24px;
}

.section-title {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: 0.5px;
  padding: 0 20px 8px;
}

.nav-item {
  margin: 1px 12px;
}

.nav-link {
  display: flex;
  align-items: center;
  padding: 11px 16px;
  color: var(--text-primary);
  text-decoration: none;
  border-radius: 8px;
  transition: var(--transition);
  cursor: pointer;
  user-select: none;
  font-size: 16px;
  font-weight: 500;
}

.nav-link:hover {
  background: var(--hover-bg);
  color: var(--text-hover);
}

.nav-link.active {
  background: var(--active-bg);
  color: var(--text-primary);
}

.nav-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 12px;
}

.nav-icon svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

.nav-arrow {
  margin-left: auto;
  width: 16px;
  height: 16px;
  transform: rotate(-90deg);
  transition: var(--transition);
}

.nav-link.expanded .nav-arrow {
  transform: rotate(0deg);
}

.nav-arrow svg {
  width: 12px;
  height: 12px;
  fill: currentColor;
}

/* Collapsed content styles */

.collapsed-toggle-container {
  width: 100%;
  display: flex;
  justify-content: center;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-color);
}

.collapsed-toggle-btn {
  width: 36px;
  height: 36px;
  background: transparent;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: var(--transition);
}

.collapsed-toggle-btn:hover {
  background: var(--hover-bg);
  color: var(--text-hover);
}

.collapsed-toggle-btn svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

.collapsed-content {
  display: none;
  flex-direction: column;
  padding: 16px 0;
  gap: 8px;
  align-items: center;
  opacity: 0;
  transition: opacity 0.2s ease-in-out 0.1s;
  position: relative;
}

.collapsed-item {
  width: 100%;
  display: flex;
  justify-content: center;
  margin: 2px 0;
  transform: translateX(220px);
  opacity: 0;
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1),
    opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.secondary-sidebar.collapsed .collapsed-item {
  transform: translateX(0);
  opacity: 1;
  transition-delay: 0.2s;
}

.secondary-sidebar:not(.collapsed) .collapsed-item {
  transform: translateX(220px);
  opacity: 0;
  transition-delay: 0s;
}

.secondary-sidebar.collapsed {
  min-width: 60px;
}

.secondary-sidebar.collapsed .collapsed-content {
  display: flex;
  opacity: 1;
}

.expanded-content {
  opacity: 1;
  transition: opacity 0.2s ease-in-out;
}

.secondary-sidebar.collapsed .expanded-content {
  opacity: 0;
  pointer-events: none;
  visibility: hidden;
}

/* .collapsed-item {
  width: 100%;
  display: flex;
  justify-content: center;
  margin: 2px 0;
  transform: translateY(0);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1),
    opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1);
} */

/* Simple fade helpers for collapsed items */
.collapsed-item.fade-out {
  opacity: 0;
  transform: scale(0.95);
}
.collapsed-item.fade-in {
  opacity: 0;
  transform: scale(0.95);
}
.collapsed-item.fade-in.show {
  opacity: 1;
  transform: scale(1);
}

.collapsed-icon {
  width: 36px;
  height: 36px;
  background: transparent;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: var(--transition);
}

.collapsed-icon:hover {
  background: var(--hover-bg);
  color: var(--text-hover);
}

.collapsed-icon svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

.collapsed-divider {
  display: none;
}

/* Search input container */

/* Search fallback styles */
.no-results {
  padding: 20px;
  text-align: center;
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.5;
}

.no-results-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 12px;
  opacity: 0.5;
  fill: var(--text-secondary);
}

.no-results-title {
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.no-results-message {
  font-size: 13px;
  opacity: 0.8;
}

.search-input-container {
  position: relative;
  display: flex;
  align-items: center;
}

.search-icon {
  position: absolute;
  left: 12px;
  width: 16px;
  height: 16px;
  fill: var(--text-secondary);
  z-index: 1;
  pointer-events: none;
}

.search-input {
  padding-left: 36px;
}

/* Expand toggle button */
.expand-toggle-btn {
  width: 36px;
  height: 36px;
  background: transparent;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  border-radius: 4px;
  transition: var(--transition);
  transform: rotate(0deg);
}

.secondary-sidebar.collapsed .expand-toggle-btn {
  transform: rotate(180deg);
}

.expand-toggle-btn:hover {
  background: var(--hover-bg);
  color: var(--text-hover);
}

.expand-toggle-btn svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

.sub-menu {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1),
    padding 0.4s cubic-bezier(0.4, 0, 0.2, 1),
    margin 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  margin-left: 30px;
  margin-top: 0;
  padding-top: 0;
}

.sub-menu.expanded {
  max-height: 400px;
}

.sub-menu .nav-link {
  padding: 11px 16px;
  font-size: 15px;
  margin: 5px 0px;
  color: var(--text-primary-darker);
}

.action-button.nav-link {
  background: transparent;
  border: none;
  width: 100%;
  text-align: left;
  justify-content: flex-start;
}

.action-button.nav-link:hover {
  background: var(--hover-bg);
  color: var(--text-hover);
}
/* Panel visibility */
.panel {
  display: none;
}

.panel.active {
  display: block;
}

/* Main content */
.main-content {
  margin-left: 60px;
  padding: 20px;
  transition: margin-left 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  min-height: 100vh;
}

/* Theme toggle in primary sidebar */
.theme-toggle {
  width: 44px;
  height: 44px;
  background: transparent;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: var(--transition);
  margin: 2px 8px;
}

.theme-toggle:hover {
  background: var(--hover-bg);
  color: var(--text-hover);
}

.theme-toggle svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

/* Responsive */
@media (max-width: 768px) {
  .main-content {
    margin-left: 60px;
  }

  .secondary-sidebar.expanded:not(.collapsed) ~ .main-content {
    margin-left: 60px; /* Don't shift on mobile when expanded */
  }

  .secondary-sidebar.collapsed ~ .main-content {
    margin-left: 60px; /* Same as default on mobile */
  }
}