:root {
  /* Color palette - Light mode */
  --primary-color: #1a73e8;
  --primary-dark: #0b57d0;
  --primary-light: #e8f0fe;
  --surface-color: #ffffff;
  --background-color: #f8f9fa;
  --error-color: #d93025;
  --success-color: #188038;
  --warning-color: #f29900;
  --on-surface: #202124;
  --on-surface-variant: #5f6368;
  --on-surface-disabled: #9aa0a6;
  --divider-color: #dadce0;
  --card-shadow: 0 1px 3px rgba(60, 64, 67, 0.12), 0 1px 2px rgba(60, 64, 67, 0.24);
  --elevation-shadow: 0 2px 6px rgba(60, 64, 67, 0.15);
  --hover-overlay: rgba(32, 33, 36, 0.04);
  --surface-2: #f1f3f4;
  
  /* Module Colors */
  --chat-color: #1a73e8;
  --chat-light: #e8f0fe;
  --projects-color: #673ab7;
  --projects-light: #f3e8ff;
  --sign-color: #e91e63;
  --sign-light: #fce4ec;
  --vendors-color: #ff9800;
  --vendors-light: #fff3e0;

  /* Spacing */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-xxl: 48px;

  /* Border radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-pill: 24px;
  --radius-circle: 50%;

  /* Layout */
  --top-bar-height: 64px;
  --sidebar-width: 280px;
  --sidebar-collapsed: 80px;

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-standard: 0.25s ease;
  --transition-emphasized: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.dark-mode {
  --primary-color: #8ab4f8;
  --primary-dark: #669df6;
  --primary-light: #1f1f22; /* Adjusted for dark mode contrast */
  --surface-color: #202124;
  --background-color: #141518;
  --error-color: #f28b82;
  --success-color: #81c995;
  --warning-color: #fdd663;
  --on-surface: #e8eaed;
  --on-surface-variant: #9aa0a6;
  --on-surface-disabled: #5f6368;
  --divider-color: #3c4043;
  --card-shadow: 0 1px 3px rgba(0, 0, 0, 0.30), 0 1px 2px rgba(0, 0, 0, 0.48);
  --elevation-shadow: 0 2px 6px rgba(0, 0, 0, 0.32);
  --hover-overlay: rgba(232, 234, 237, 0.08);
  --surface-2: #292a2d;
  
  /* Module Colors - Dark Mode */
  --chat-light: rgba(138, 180, 248, 0.1);
  --projects-light: rgba(183, 158, 233, 0.1);
  --sign-light: rgba(233, 130, 169, 0.1);
  --vendors-light: rgba(255, 202, 100, 0.1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

body {
  background-color: var(--background-color);
  color: var(--on-surface);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color var(--transition-standard);
  overflow: hidden;
  height: 100vh;
}

/* Notification Container */
.notification-container {
  position: fixed;
  top: var(--spacing-lg);
  right: var(--spacing-lg);
  z-index: 1100;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  max-width: calc(100% - 2 * var(--spacing-lg));
  align-items: flex-end;
}

.notification {
  display: flex;
  align-items: stretch;
  gap: 0;
  background-color: var(--surface-color);
  border-radius: var(--radius-md);
  box-shadow: var(--elevation-shadow);
  width: fit-content;
  max-width: 400px;
  overflow: hidden;
  animation: slide-in 0.3s forwards;
}

.notification-icon {
  width: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 20px;
  padding: var(--spacing-md) 0;
}

.notification.success .notification-icon {
  background-color: var(--success-color);
  color: white;
}

.notification.error .notification-icon {
  background-color: var(--error-color);
  color: white;
}

.notification.info .notification-icon {
  background-color: var(--primary-color);
  color: white;
}

.notification.warning .notification-icon {
  background-color: var(--warning-color);
  color: var(--on-surface);
}

.notification-content {
  padding: var(--spacing-md) var(--spacing-md) var(--spacing-md) var(--spacing-lg);
  flex-grow: 1;
  min-width: 0;
}

.notification-title {
  font-weight: 600;
  color: var(--on-surface);
  margin-bottom: var(--spacing-xs);
}

.notification-message {
  color: var(--on-surface-variant);
  font-size: 13px;
  word-wrap: break-word;
}

.notification-close {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  color: var(--on-surface-variant);
  cursor: pointer;
  border-radius: var(--radius-circle);
  margin: var(--spacing-sm) var(--spacing-sm) 0 0;
  flex-shrink: 0;
  align-self: flex-start;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.notification-close:hover {
  background-color: var(--hover-overlay);
  color: var(--on-surface);
}

@keyframes slide-in {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

@keyframes slide-out {
  from {
    transform: translateX(0);
    opacity: 1;
  }
  to {
    transform: translateX(100%);
    opacity: 0;
  }
}

/* Login Page */
.login-container {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
  background-color: var(--background-color);
  transition: background-color var(--transition-standard);
  padding: var(--spacing-md);
}

.login-card {
  width: 100%;
  max-width: 400px;
  background-color: var(--surface-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--card-shadow);
  padding: var(--spacing-xl);
  transition: background-color var(--transition-standard);
}

.login-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.login-title {
  font-size: 24px;
  font-weight: 600;
  color: var(--on-surface);
  margin-bottom: var(--spacing-sm);
}

.login-subtitle {
  color: var(--on-surface-variant);
}

.login-icon {
  width: 72px;
  height: 72px;
  border-radius: var(--radius-circle);
  background-color: var(--primary-light);
  color: var(--primary-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 36px;
  margin: 0 auto var(--spacing-lg);
}

.dark-mode .login-icon {
  background-color: rgba(138, 180, 248, 0.1);
  color: var(--primary-color);
}

.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-label {
  display: block;
  margin-bottom: var(--spacing-sm);
  font-weight: 500;
  color: var(--on-surface);
}

.form-control {
  width: 100%;
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  border: 1px solid var(--divider-color);
  background-color: var(--surface-color);
  color: var(--on-surface);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 2px rgba(26, 115, 232, 0.2);
}

.dark-mode .form-control:focus {
  box-shadow: 0 0 0 2px rgba(138, 180, 248, 0.3);
}

.form-group-icon {
  position: relative;
}

.form-group-icon i {
  position: absolute;
  right: var(--spacing-md);
  top: 50%;
  transform: translateY(-50%);
  color: var(--on-surface-variant);
}

.form-group-icon .form-control {
  padding-right: 40px;
}

.btn-primary {
  display: inline-block;
  width: 100%;
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  background-color: var(--primary-color);
  color: white;
  border: none;
  font-weight: 500;
  text-align: center;
  cursor: pointer;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.btn-primary:hover {
  background-color: var(--primary-dark);
  transform: translateY(-1px);
}

.btn-primary:disabled {
  background-color: var(--on-surface-disabled);
  cursor: not-allowed;
  transform: none;
}

.btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
}

/* App Container */
.app-container {
  display: flex;
  flex-direction: column;
  height: 100vh;
  width: 100%;
  position: relative;
  overflow: hidden;
}

/* Top Bar */
.top-bar {
  height: var(--top-bar-height);
  background-color: var(--surface-color);
  box-shadow: var(--elevation-shadow);
  display: flex;
  align-items: center;
  padding: 0 var(--spacing-md);
  z-index: 100;
  position: relative;
  transition: background-color var(--transition-standard);
}

.menu-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-circle);
  cursor: pointer;
  color: var(--on-surface);
  margin-right: var(--spacing-md);
  transition: background-color var(--transition-fast);
}

.menu-toggle:hover {
  background-color: var(--hover-overlay);
}

.app-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-weight: 600;
  font-size: 18px;
  color: var(--on-surface);
  text-decoration: none;
}

.app-logo i {
  color: var(--primary-color);
}

.top-bar-spacer {
  flex-grow: 1;
}

.top-bar-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.notification-bell {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-circle);
  cursor: pointer;
  color: var(--on-surface);
}

.notification-badge {
  position: absolute;
  top: 8px;
  right: 8px;
  background-color: var(--error-color);
  color: white;
  font-size: 10px;
  font-weight: 600;
  width: 18px;
  height: 18px;
  border-radius: var(--radius-circle);
  display: flex;
  align-items: center;
  justify-content: center;
}

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-circle);
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--on-surface);
  transition: background-color var(--transition-fast);
}

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

.user-menu {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.user-avatar {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-circle);
  background-color: var(--primary-color);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 500;
}

.btn-outlined {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  border: 1px solid var(--divider-color);
  background-color: var(--surface-color);
  color: var(--on-surface);
  font-weight: 500;
  cursor: pointer;
}

.btn-outlined:hover {
  background-color: var(--hover-overlay);
}

/* Main Content Area */
.main-content {
  display: flex;
  height: calc(100vh - var(--top-bar-height));
  overflow: hidden;
}

/* Sidebar */
.sidebar {
  width: var(--sidebar-width);
  height: 100%;
  background-color: var(--surface-color);
  border-right: 1px solid var(--divider-color);
  overflow: auto;
  display: flex;
  flex-direction: column;
  box-shadow: var(--card-shadow);
  transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: fixed;
  left: 0;
  top: var(--top-bar-height);
  z-index: 10;
}

.sidebar.collapsed {
  width: var(--sidebar-collapsed);
  overflow-x: hidden;
}

/* Initialize submenu state */
.submenu {
  max-height: 0;
  overflow: hidden;
}

/* Sidebar Menu */
.sidebar-menu {
  display: flex;
  flex-direction: column;
  padding: var(--spacing-sm) 0;
  margin-top: var(--spacing-md);
}

.menu-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px var(--spacing-lg);
  cursor: pointer;
  position: relative;
  color: var(--on-surface);
  transition: background-color 0.2s, color 0.2s;
  border-radius: 0;
  white-space: nowrap;
}

.menu-item:hover {
  background-color: var(--hover-overlay);
}

.menu-item.active {
  color: var(--primary-color);
  background-color: var(--primary-light);
  font-weight: 500;
  border-left: 3px solid var(--primary-color);
}

.collapsed .menu-item.active {
  border-left: none;
  border-radius: var(--radius-md);
  margin: 0 6px;
}

.collapsed .menu-item {
  padding: 10px;
  justify-content: center;
}

.menu-item-content {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.collapsed .menu-item-content {
  gap: 0;
}

.menu-item i {
  width: 20px;
  text-align: center;
  font-size: 16px;
}

.collapsed .menu-item i {
  width: auto;
}

.menu-item span {
  font-size: 14px;
  font-weight: 500;
  transition: opacity 0.2s;
}

.collapsed .menu-item span {
  display: none;
  opacity: 0;
}

.keyboard-shortcut {
  font-size: 11px;
  color: var(--on-surface-variant);
  background-color: var(--surface-2);
  padding: 2px 4px;
  border-radius: 4px;
  transition: opacity 0.2s;
}

.collapsed .keyboard-shortcut {
  display: none;
  opacity: 0;
}

.status-badge {
  font-size: 11px;
  background-color: var(--primary-color);
  color: white;
  height: 18px;
  min-width: 18px;
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 4px;
  transition: opacity 0.2s, transform 0.2s;
}

.collapsed .status-badge {
  position: absolute;
  top: 5px;
  right: 5px;
  transform: scale(0.8);
  min-width: 16px;
  height: 16px;
  font-size: 10px;
}

.status-new {
  font-size: 11px;
  background-color: var(--primary-light);
  color: var(--primary-color);
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  font-weight: 500;
  transition: opacity 0.2s;
}

.collapsed .status-new {
  display: none;
  opacity: 0;
}

.has-submenu {
  color: var(--on-surface);
}

.submenu-toggle {
  font-size: 10px;
  color: var(--on-surface-variant);
  transition: transform 0.2s, opacity 0.2s;
}

.collapsed .submenu-toggle {
  display: none;
  opacity: 0;
}

.submenu-toggle.expanded {
  transform: rotate(180deg);
}

.submenu {
  margin-left: var(--spacing-md);
  border-left: 1px solid var(--divider-color);
  overflow: hidden;
  max-height: 500px;
  transition: max-height 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.collapsed .submenu {
  max-height: 0;
  border-left: none;
}

.submenu-item {
  padding-left: var(--spacing-xl);
}

.collapsed .submenu-item {
  padding-left: 10px;
}

.submenu-item .menu-item-content {
  gap: var(--spacing-sm);
}

.collapsed .submenu-item .menu-item-content {
  gap: 0;
}

.menu-separator {
  padding: var(--spacing-md) var(--spacing-lg) var(--spacing-xs);
  margin-top: var(--spacing-sm);
  font-size: 11px;
  font-weight: 500;
  color: var(--on-surface-variant);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: none;
  transition: opacity 0.2s;
}

.collapsed .menu-separator {
  height: 1px;
  padding: 0;
  margin: var(--spacing-md) auto;
  width: 60%;
  background-color: var(--divider-color);
  overflow: hidden;
}

.collapsed .menu-separator span {
  display: none;
  opacity: 0;
}

/* Module Container */
.module-container {
  flex: 1;
  margin-left: var(--sidebar-width);
  width: calc(100% - var(--sidebar-width));
  overflow: hidden;
  transition: margin-left 0.3s cubic-bezier(0.4, 0, 0.2, 1), width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.sidebar.collapsed + .module-container {
  margin-left: var(--sidebar-collapsed);
  width: calc(100% - var(--sidebar-collapsed));
}

/* Module specific items */
.menu-item.chat-module.active {
  color: var(--chat-color);
  background-color: var(--chat-light);
  border-left-color: var(--chat-color);
}

.menu-item.projects-module.active {
  color: var(--projects-color);
  background-color: var(--projects-light);
  border-left-color: var(--projects-color);
}

.menu-item.sign-module.active {
  color: var(--sign-color);
  background-color: var(--sign-light);
  border-left-color: var(--sign-color);
}

.menu-item.vendors-module.active {
  color: var(--vendors-color);
  background-color: var(--vendors-light);
  border-left-color: var(--vendors-color);
}

.chat-icon {
  color: var(--chat-color);
}

.projects-icon {
  color: var(--projects-color);
}

.sign-icon {
  color: var(--sign-color);
}

.vendors-icon {
  color: var(--vendors-color);
}

/* Module Content Styling */
.module-content {
  display: none;
  height: 100%;
  overflow: auto;
}

.module-content.active {
  display: block;
}

/* Dashboard Module */
#dashboard-module {
  padding: var(--spacing-lg);
}

.dashboard-header {
  margin-bottom: var(--spacing-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.dashboard-title {
  font-size: 24px;
  font-weight: 600;
  color: var(--on-surface);
}

.dashboard-actions {
  display: flex;
  gap: var(--spacing-sm);
}

/* Module Grid */
.module-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
  margin-top: var(--spacing-md);
}

.module-card {
  border-radius: var(--radius-lg);
  box-shadow: var(--card-shadow);
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  min-height: 140px;
  display: flex;
  flex-direction: column;
}

.module-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--elevation-shadow);
}

.module-header {
  display: flex;
  align-items: center;
  padding: var(--spacing-md);
}

.module-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-circle);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  margin-right: var(--spacing-md);
}

.module-title {
  font-weight: 600;
  font-size: 16px;
}

.module-body {
  padding: var(--spacing-md);
  background-color: var(--surface-color);
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 140px;
}

.module-stats {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.module-stat {
  flex: 1;
}

.stat-value {
  font-size: 24px;
  font-weight: 600;
  line-height: 1.2;
}

.stat-label {
  font-size: 12px;
  color: var(--on-surface-variant);
}

.module-action {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  margin-top: auto;
  padding-top: var(--spacing-md);
}

.module-action a {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: 14px;
}

/* Module specific colors */
.chat-module .module-header {
  background-color: var(--chat-light);
  color: var(--chat-color);
}
.chat-module .module-icon {
  background-color: var(--chat-color);
  color: white;
}

.projects-module .module-header {
  background-color: var(--projects-light);
  color: var(--projects-color);
}
.projects-module .module-icon {
  background-color: var(--projects-color);
  color: white;
}

.sign-module .module-header {
  background-color: var(--sign-light);
  color: var(--sign-color);
}
.sign-module .module-icon {
  background-color: var(--sign-color);
  color: white;
}

.vendors-module .module-header {
  background-color: var(--vendors-light);
  color: var(--vendors-color);
}
.vendors-module .module-icon {
  background-color: var(--vendors-color);
  color: white;
}

/* Dashboard Grid */
.dashboard-grid {
  display: grid;
  grid-template-columns: 7fr 3fr;
  gap: var(--spacing-xl);
  margin-top: var(--spacing-xl);
}

.dashboard-column {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
}

/* Calendar Card */
.calendar-card {
  background-color: var(--surface-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--card-shadow);
  overflow: hidden;
}

.card-header {
  padding: var(--spacing-md) var(--spacing-lg);
  border-bottom: 1px solid var(--divider-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--on-surface);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.card-title i {
  color: var(--primary-color);
}

.card-actions {
  display: flex;
  gap: var(--spacing-sm);
}

.card-action-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-circle);
  border: none;
  background: transparent;
  color: var(--on-surface-variant);
  cursor: pointer;
}

.card-action-btn:hover {
  background-color: var(--hover-overlay);
  color: var(--on-surface);
}

.card-body {
  padding: var(--spacing-lg);
}

/* Calendar Styles */
.calendar-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: var(--spacing-md);
}

.calendar-title {
  font-weight: 600;
  color: var(--on-surface);
}

.calendar-nav {
  display: flex;
  gap: var(--spacing-sm);
}

.calendar-nav-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-circle);
  border: 1px solid var(--divider-color);
  background-color: var(--surface-color);
  color: var(--on-surface);
  cursor: pointer;
}

.calendar-days-row {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  margin-bottom: var(--spacing-md);
}

.calendar-day-label {
  text-align: center;
  font-size: 12px;
  font-weight: 500;
  color: var(--on-surface-variant);
}

.calendar-events {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  min-height: 150px;
  justify-content: center;
}

/* Activity Tabs */
.activity-tabs {
  background-color: var(--surface-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--card-shadow);
  overflow: hidden;
}

.activity-tab-header {
  display: flex;
  border-bottom: 1px solid var(--divider-color);
}

.activity-tab {
  flex: 1;
  padding: var(--spacing-md);
  text-align: center;
  font-weight: 500;
  color: var(--on-surface-variant);
  cursor: pointer;
  position: relative;
}

.activity-tab.active {
  color: var(--primary-color);
}

.activity-tab.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background-color: var(--primary-color);
}

.activity-tab-content {
  padding: var(--spacing-lg);
  display: none;
}

.activity-tab-content.active {
  display: block;
}

/* Task list */
.add-task-form {
  display: flex;
  margin-bottom: var(--spacing-md);
}

.add-task-input {
  flex-grow: 1;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  border: 1px solid var(--divider-color);
  background-color: var(--surface-color);
  color: var(--on-surface);
  margin-right: var(--spacing-sm);
}

.add-task-input:focus {
  outline: none;
  border-color: var(--primary-color);
}

/* Notification Card */
.notification-card {
  background-color: var(--surface-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--card-shadow);
  overflow: hidden;
}

/* Quick Actions */
.quick-actions-card {
  background-color: var(--surface-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--card-shadow);
  overflow: hidden;
}

.action-button {
  display: flex;
  align-items: center;
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--divider-color);
  cursor: pointer;
  transition: background-color 0.2s ease;
  color: var(--on-surface);
  text-decoration: none;
}

.action-button:hover {
  background-color: var(--hover-overlay);
}

.action-button:last-child {
  border-bottom: none;
}

.action-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-circle);
  background-color: var(--primary-light);
  color: var(--primary-color);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: var(--spacing-md);
}

.action-content {
  flex: 1;
}

.action-title {
  font-weight: 500;
  margin-bottom: var(--spacing-xs);
}

.action-desc {
  font-size: 12px;
  color: var(--on-surface-variant);
}

/* Module specific colors for quick actions */
.action-chat .action-icon {
  background-color: var(--chat-light);
  color: var(--chat-color);
}

.action-projects .action-icon {
  background-color: var(--projects-light);
  color: var(--projects-color);
}

.action-sign .action-icon {
  background-color: var(--sign-light);
  color: var(--sign-color);
}

.action-vendors .action-icon {
  background-color: var(--vendors-light);
  color: var(--vendors-color);
}

/* Empty State */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xl);
  text-align: center;
}

.empty-state-icon {
  font-size: 32px;
  color: var(--on-surface-variant);
  margin-bottom: var(--spacing-md);
  opacity: 0.6;
}

.empty-state-title {
  font-size: 16px;
  font-weight: 400;
  margin-bottom: var(--spacing-sm);
  color: var(--on-surface-variant);
}

.empty-state-desc {
  color: var(--on-surface-variant);
  max-width: 300px;
  margin-bottom: var(--spacing-lg);
  font-size: 14px;
}

.module-body .empty-state {
  padding: var(--spacing-md);
}

/* Document/Chat Module Specific Styles */
.documents-container {
  display: flex;
  height: 100%;
  overflow: hidden;
}

.document-sidebar {
  width: 280px;
  height: 100%;
  background-color: var(--surface-color);
  border-right: 1px solid var(--divider-color);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.sidebar-header {
  padding: var(--spacing-lg) var(--spacing-md);
  border-bottom: 1px solid var(--divider-color);
}

.sidebar-title {
  font-size: 16px;
  font-weight: 500;
  margin-bottom: var(--spacing-xs);
  color: var(--on-surface);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.sidebar-title i {
  color: var(--primary-color);
}

.community-selector {
  margin-top: var(--spacing-md);
  position: relative;
}

.community-dropdown {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  border: 1px solid var(--divider-color);
  background-color: var(--surface-color);
  cursor: pointer;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.community-dropdown:hover {
  border-color: var(--primary-color);
}

.current-community {
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.community-menu {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  margin-top: var(--spacing-xs);
  background-color: var(--surface-color);
  border-radius: var(--radius-md);
  border: 1px solid var(--divider-color);
  box-shadow: var(--card-shadow);
  z-index: 10;
  max-height: 300px;
  overflow-y: auto;
  display: none;
}

.community-menu.active {
  display: block;
}

.community-item {
  padding: var(--spacing-sm) var(--spacing-md);
  cursor: pointer;
  transition: background-color var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.community-item:hover {
  background-color: var(--hover-overlay);
}

.community-item.active {
  background-color: var(--primary-light);
  color: var(--primary-color);
}

.community-actions {
  display: flex;
  gap: var(--spacing-xs);
}

.community-action-btn {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-circle);
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  background: transparent;
  color: var(--on-surface-variant);
  cursor: pointer;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.community-action-btn:hover {
  background-color: var(--hover-overlay);
  color: var(--on-surface);
}

.community-menu-footer {
  padding: var(--spacing-sm) var(--spacing-md);
  border-top: 1px solid var(--divider-color);
}

.add-community-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  width: 100%;
  padding: var(--spacing-sm);
  border-radius: var(--radius-md);
  border: 1px dashed var(--divider-color);
  background: transparent;
  color: var(--primary-color);
  cursor: pointer;
  transition: background-color var(--transition-fast), border-color var(--transition-fast);
}

.add-community-btn:hover {
  background-color: var(--primary-light);
  border-color: var(--primary-color);
}

/* Tabs */
.tab-container {
  display: flex;
  border-bottom: 1px solid var(--divider-color);
  background-color: var(--surface-color);
}

.tab {
  flex: 1;
  padding: var(--spacing-md);
  text-align: center;
  cursor: pointer;
  position: relative;
  color: var(--on-surface-variant);
  font-weight: 500;
  transition: color var(--transition-fast);
}

.tab.active {
  color: var(--primary-color);
}

.tab.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background-color: var(--primary-color);
  border-radius: 3px 3px 0 0;
}

.tab i {
  margin-right: var(--spacing-sm);
}

/* Tab Content */
.tab-content {
  display: none;
  flex: 1;
  flex-direction: column;
  overflow: hidden;
}

.tab-content.active {
  display: flex;
}

.search-container {
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--divider-color);
}

.search-box {
  position: relative;
}

.search-input {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md) var(--spacing-sm) 36px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--divider-color);
  background-color: var(--surface-2);
  color: var(--on-surface);
  transition: box-shadow var(--transition-fast), background-color var(--transition-fast);
}

.search-input:focus {
  outline: none;
  background-color: var(--surface-color);
  box-shadow: 0 1px 2px rgba(60, 64, 67, 0.3), 0 1px 3px 1px rgba(60, 64, 67, 0.15);
}

.search-icon {
  position: absolute;
  left: var(--spacing-md);
  top: 50%;
  transform: translateY(-50%);
  color: var(--on-surface-variant);
}

/* Upload Section */
.upload-section {
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--divider-color);
}

.file-upload-container {
  position: relative;
}

.file-upload-label {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-lg);
  border: 2px dashed var(--divider-color);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
  text-align: center;
}

.file-upload-label:hover {
  border-color: var(--primary-color);
  background-color: var(--primary-light);
}

.file-upload-label i {
  font-size: 24px;
  color: var(--primary-color);
  margin-bottom: var(--spacing-sm);
}

.file-upload-label span {
  color: var(--on-surface-variant);
  font-size: 13px;
}

#docUpload {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
}

.upload-progress {
  height: 4px;
  width: 0%;
  background-color: var(--primary-color);
  margin-top: var(--spacing-sm);
  border-radius: 2px;
  display: none;
  transition: width 0.3s ease;
}

/* Document List */
.document-list-container {
  flex: 1;
  overflow-y: auto;
  padding: var(--spacing-md);
}

.list-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-md);
  color: var(--on-surface-variant);
  font-size: 13px;
  font-weight: 500;
}

.document-count {
  background-color: var(--primary-light);
  color: var(--primary-color);
  padding: 2px var(--spacing-sm);
  border-radius: var(--radius-pill);
  font-size: 12px;
}

.document-card {
  background-color: var(--surface-color);
  border-radius: var(--radius-md);
  border: 1px solid var(--divider-color);
  margin-bottom: var(--spacing-md);
  overflow: hidden;
  transition: border-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
  cursor: pointer;
}

.document-card:hover {
  border-color: var(--primary-color);
  box-shadow: var(--elevation-shadow);
  transform: translateY(-2px);
}

.document-card.active {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 1px var(--primary-color);
  background-color: var(--primary-light);
}

.document-card-inner {
  padding: var(--spacing-md);
}

.document-title {
  font-weight: 500;
  color: var(--on-surface);
  margin-bottom: var(--spacing-xs);
  display: flex;
  align-items: center;
  justify-content: space-between;
  word-break: break-word;
  gap: var(--spacing-sm);
}

.document-title span:first-child {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex-shrink: 1;
}

.document-type {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 20px;
  padding: 0 var(--spacing-sm);
  border-radius: var(--radius-pill);
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  background-color: var(--primary-light);
  color: var(--primary-color);
  flex-shrink: 0;
}

.document-type.pdf {
  background-color: rgba(217, 48, 37, 0.1);
  color: var(--error-color);
}

.document-type.txt {
  background-color: rgba(24, 128, 56, 0.1);
  color: var(--success-color);
}

.document-info {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--on-surface-variant);
  margin-top: var(--spacing-xs);
}

.document-actions {
  display: none;
  padding: var(--spacing-xs) var(--spacing-md);
  background-color: var(--surface-2);
  border-top: 1px solid var(--divider-color);
  gap: var(--spacing-sm);
  align-items: center;
  justify-content: flex-end;
}

.document-card.active .document-actions {
  display: flex;
}

.document-action-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-pill);
  border: none;
  background: transparent;
  color: var(--on-surface-variant);
  font-size: 12px;
  cursor: pointer;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.document-action-btn:hover {
  background-color: var(--hover-overlay);
  color: var(--on-surface);
}

.no-documents {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xl) 0;
  color: var(--on-surface-variant);
  text-align: center;
}

.no-documents i {
  font-size: 48px;
  color: var(--divider-color);
  margin-bottom: var(--spacing-md);
}

/* Chat Session Styles */
.chat-session {
  background-color: var(--surface-color);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  border: 1px solid var(--divider-color);
  cursor: pointer;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
}

.chat-session:hover {
  border-color: var(--primary-color);
  box-shadow: var(--elevation-shadow);
  transform: translateY(-2px);
}

.chat-session-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-xs);
}

.chat-session-title {
  font-weight: 500;
  color: var(--on-surface);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.chat-session-date {
  font-size: 12px;
  color: var(--on-surface-variant);
  flex-shrink: 0;
}

.chat-session-preview {
  font-size: 13px;
  color: var(--on-surface-variant);
  margin-bottom: var(--spacing-xs);
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.community-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: 2px var(--spacing-sm);
  border-radius: var(--radius-pill);
  background-color: var(--primary-light);
  color: var(--primary-color);
  font-size: 11px;
  font-weight: 500;
}

/* Chat Section */
.chat-section {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background-color: var(--background-color);
  transition: background-color var(--transition-standard);
}

.chat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md) var(--spacing-lg);
  background-color: var(--surface-color);
  border-bottom: 1px solid var(--divider-color);
  transition: background-color var(--transition-standard);
}

.chat-header-left {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.chat-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--on-surface);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.chat-context {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-xs);
  font-size: 13px;
  color: var(--on-surface-variant);
  flex-wrap: wrap;
}

.chat-context .community-badge {
  margin-top: var(--spacing-xs);
}

.chat-context span:first-child {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.chat-header-actions {
  display: flex;
  gap: var(--spacing-sm);
  flex-shrink: 0;
}

.header-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 36px;
  padding: 0 var(--spacing-md);
  border-radius: var(--radius-md);
  border: 1px solid var(--divider-color);
  background-color: var(--surface-color);
  color: var(--on-surface);
  font-weight: 500;
  cursor: pointer;
  transition: background-color var(--transition-fast), border-color var(--transition-fast);
}

.header-btn:hover {
  background-color: var(--hover-overlay);
  border-color: var(--on-surface-variant);
}

.header-btn i {
  margin-right: var(--spacing-sm);
}

/* Chat Messages Area */
.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.chat-welcome {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  max-width: 600px;
  margin: auto;
  padding: var(--spacing-xl) 0;
}

.welcome-icon {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-circle);
  background-color: var(--primary-light);
  color: var(--primary-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  margin-bottom: var(--spacing-lg);
}

.welcome-title {
  font-size: 24px;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  color: var(--on-surface);
}

.welcome-text {
  color: var(--on-surface-variant);
  margin-bottom: var(--spacing-lg);
}

.example-queries {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-md);
  width: 100%;
  margin-top: var(--spacing-md);
}

.example-query {
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  background-color: var(--surface-color);
  border: 1px solid var(--divider-color);
  cursor: pointer;
  text-align: left;
  transition: background-color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
}

.example-query:hover {
  background-color: var(--primary-light);
  border-color: var(--primary-color);
  transform: translateY(-2px);
}

.message-group {
  max-width: 80%;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.message-group.user-message {
  align-self: flex-end;
}

.message-group.ai-message {
  align-self: flex-start;
}

.message-label {
  font-size: 12px;
  color: var(--on-surface-variant);
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.user-label {
  align-self: flex-end;
}

.ai-label {
  align-self: flex-start;
}

.ai-label i {
  color: var(--primary-color);
}

.message {
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-lg);
  position: relative;
  word-wrap: break-word;
}

.user-message .message {
  background-color: var(--primary-color);
  color: white;
  border-bottom-right-radius: var(--spacing-xs);
}

.ai-message .message {
  background-color: var(--surface-color);
  color: var(--on-surface);
  border-bottom-left-radius: var(--spacing-xs);
  box-shadow: var(--card-shadow);
}

.message p {
  margin-bottom: var(--spacing-sm);
}

.message p:last-child {
  margin-bottom: 0;
}

.message a {
  color: inherit;
  text-decoration: underline;
}

.dark-mode .user-message .message a {
  color: #bbdefb;
}

.message code {
  font-family: 'Roboto Mono', monospace;
  background-color: rgba(0, 0, 0, 0.1);
  padding: 2px 4px;
  border-radius: 4px;
}

.message pre {
  background-color: var(--surface-2);
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  overflow-x: auto;
  margin: var(--spacing-md) 0;
}

.ai-message .message pre {
  background-color: rgba(0, 0, 0, 0.05);
}

.dark-mode .ai-message .message pre {
  background-color: rgba(255, 255, 255, 0.08);
}

.user-message .message pre {
  background-color: rgba(255, 255, 255, 0.1);
}

.message pre code {
  background-color: transparent;
  padding: 0;
}

.message-timestamp {
  font-size: 11px;
  color: var(--on-surface-variant);
  margin-top: var(--spacing-xs);
  align-self: flex-end;
}

.ai-message .message-timestamp {
  align-self: flex-start;
}

.message-feedback {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-sm);
}

.feedback-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-pill);
  border: 1px solid var(--divider-color);
  background: transparent;
  color: var(--on-surface-variant);
  font-size: 12px;
  cursor: pointer;
  transition: background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}

.feedback-btn:hover {
  background-color: var(--hover-overlay);
}

.feedback-btn.positive:hover {
  color: var(--success-color);
  border-color: var(--success-color);
}

.feedback-btn.negative:hover {
  color: var(--error-color);
  border-color: var(--error-color);
}

.feedback-btn:disabled {
  opacity: 0.6;
  cursor: default;
}

.feedback-btn:disabled:hover {
  background-color: transparent;
}

.suggested-follow-ups {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
}

.follow-up-btn {
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-pill);
  background-color: var(--primary-light);
  border: 1px solid var(--primary-color);
  color: var(--primary-color);
  font-size: 13px;
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.follow-up-btn:hover {
  background-color: rgba(26, 115, 232, 0.2);
}

.dark-mode .follow-up-btn {
  background-color: rgba(138, 180, 248, 0.1);
  border-color: var(--primary-color);
  color: var(--primary-color);
}

.dark-mode .follow-up-btn:hover {
  background-color: rgba(138, 180, 248, 0.2);
}

/* Loading Indicator */
.loading {
  display: none;
  align-self: flex-start;
  padding: var(--spacing-md) var(--spacing-lg);
  max-width: 80%;
}

.ai-thinking {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  color: var(--on-surface-variant);
}

.thinking-dots {
  display: flex;
  gap: 4px;
}

.thinking-dots span {
  width: 8px;
  height: 8px;
  background-color: var(--primary-color);
  border-radius: var(--radius-circle);
  opacity: 0.3;
  animation: pulse 1.4s infinite ease-in-out both;
}

.thinking-dots span:nth-child(1) {
  animation-delay: 0s;
}

.thinking-dots span:nth-child(2) {
  animation-delay: 0.2s;
}

.thinking-dots span:nth-child(3) {
  animation-delay: 0.4s;
}

@keyframes pulse {
  0%, 80%, 100% { opacity: 0.3; transform: scale(0.8); }
  40% { opacity: 1; transform: scale(1); }
}

/* Chat Input Area */
.chat-input-area {
  padding: var(--spacing-md) var(--spacing-lg);
  background-color: var(--surface-color);
  border-top: 1px solid var(--divider-color);
  transition: background-color var(--transition-standard);
}

.chat-input-container {
  display: flex;
  align-items: flex-end;
  gap: var(--spacing-md);
  background-color: var(--surface-2);
  border-radius: var(--radius-lg);
  padding: var(--spacing-sm);
  transition: box-shadow var(--transition-fast);
  border: 1px solid var(--divider-color);
}

.chat-input-container:focus-within {
  box-shadow: 0 1px 3px rgba(60, 64, 67, 0.3), 0 1px 2px rgba(60, 64, 67, 0.15);
  border-color: var(--primary-color);
}

.chat-textarea-wrapper {
  flex-grow: 1;
  position: relative;
}

#chatInput {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  border: none;
  background: transparent;
  resize: none;
  font-size: 14px;
  line-height: 1.5;
  max-height: 150px;
  overflow-y: auto;
  color: var(--on-surface);
  box-sizing: border-box;
  margin: 0;
  display: block;
}

#chatInput:focus {
  outline: none;
}

#chatInput::placeholder {
  color: transparent;
}

.input-placeholder {
  position: absolute;
  top: var(--spacing-sm);
  left: var(--spacing-md);
  color: var(--on-surface-variant);
  pointer-events: none;
  transition: opacity var(--transition-fast);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding-top: 2px;
}

#chatInput:focus + .input-placeholder,
#chatInput:not(:placeholder-shown) + .input-placeholder {
  opacity: 0;
}

.send-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-circle);
  border: none;
  background-color: var(--primary-color);
  color: white;
  cursor: pointer;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
  flex-shrink: 0;
}

.send-btn:hover {
  background-color: var(--primary-dark);
  transform: scale(1.05);
}

.send-btn:disabled {
  background-color: var(--on-surface-disabled);
  cursor: not-allowed;
  transform: none;
}

.input-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--spacing-sm);
  padding: 0 var(--spacing-md);
}

.context-indicator {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 12px;
  color: var(--on-surface-variant);
  flex-wrap: wrap;
  min-width: 0;
}

.context-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: 2px var(--spacing-sm);
  border-radius: var(--radius-pill);
  background-color: var(--primary-light);
  color: var(--primary-color);
  font-size: 11px;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 150px;
}

.dark-mode .context-badge {
  background-color: rgba(138, 180, 248, 0.1);
  color: var(--primary-color);
}

.input-buttons {
  display: flex;
  gap: var(--spacing-sm);
  flex-shrink: 0;
}

.input-action-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: var(--radius-circle);
  border: none;
  background: transparent;
  color: var(--on-surface-variant);
  cursor: pointer;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.input-action-btn:hover {
  background-color: var(--hover-overlay);
  color: var(--on-surface);
}

/* Modal Styles */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md);
}

.modal {
  width: 100%;
  max-width: 500px;
  background-color: var(--surface-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--elevation-shadow);
  overflow: hidden;
}

.modal-header {
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--divider-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--on-surface);
}

.modal-close {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-circle);
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  background: transparent;
  color: var(--on-surface-variant);
  cursor: pointer;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.modal-close:hover {
  background-color: var(--hover-overlay);
  color: var(--on-surface);
}

.modal-body {
  padding: var(--spacing-lg);
  max-height: calc(80vh - 130px);
  overflow-y: auto;
}

.modal-footer {
  padding: var(--spacing-md) var(--spacing-lg);
  border-top: 1px solid var(--divider-color);
  display: flex;
  justify-content: flex-end;
  gap: var(--spacing-md);
}

.btn-secondary {
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-md);
  background-color: transparent;
  color: var(--on-surface);
  border: 1px solid var(--divider-color);
  font-weight: 500;
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.btn-secondary:hover {
  background-color: var(--hover-overlay);
}

.btn-danger {
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-md);
  background-color: var(--error-color);
  color: white;
  border: none;
  font-weight: 500;
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.btn-danger:hover {
  background-color: #c42016;
}

.dark-mode .btn-danger {
  background-color: var(--error-color);
}

.dark-mode .btn-danger:hover {
  background-color: #d86c62;
}

/* Communities Module Styles */
.communities-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  padding: var(--spacing-lg);
}

/* Module Header */
.module-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-lg);
  background-color: var(--surface-color);
  border-bottom: 1px solid var(--divider-color);
}

.module-title {
  font-size: 24px;
  font-weight: 600;
  color: var(--on-surface);
}

.module-actions {
  display: flex;
  gap: var(--spacing-sm);
}

/* Module Placeholder */
.module-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xxl);
  min-height: 400px;
}

/* Redirect Message (for chat module redirect) */
.redirect-message {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xxl);
  min-height: 200px;
  text-align: center;
  color: var(--on-surface-variant);
}

.loading-redirect {
  margin-bottom: var(--spacing-md);
}

/* Responsive Styles */
@media (max-width: 1200px) {
  .module-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .dashboard-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 992px) {
  :root {
    --sidebar-width: 250px;
  }

  .chat-header-actions {
    display: none;
  }

  .message-group {
    max-width: 90%;
  }
}

@media (max-width: 768px) {
  /* Sidebar becomes an overlay */
  .sidebar {
    position: fixed;
    top: var(--top-bar-height);
    bottom: 0;
    left: 0;
    z-index: 99;
    transform: translateX(-100%);
    transition: transform var(--transition-emphasized);
    width: var(--sidebar-width);
    border-right: 1px solid var(--divider-color);
  }

  .sidebar.mobile-active {
    transform: translateX(0);
    box-shadow: var(--elevation-shadow);
  }

  .sidebar.collapsed {
    width: var(--sidebar-width);
  }
  
  .module-container {
    margin-left: 0;
    width: 100%;
  }

  .document-sidebar {
    position: fixed;
    top: var(--top-bar-height);
    bottom: 0;
    left: 0;
    z-index: 99;
    transform: translateX(-100%);
    transition: transform var(--transition-emphasized);
    width: var(--sidebar-width);
    border-right: 1px solid var(--divider-color);
  }

  .document-sidebar.mobile-active {
    transform: translateX(0);
    box-shadow: var(--elevation-shadow);
  }

  .top-bar {
    padding: 0 var(--spacing-sm);
  }

  .app-logo span {
    display: none;
  }

  .chat-title i {
    display: none;
  }

  .message {
    padding: var(--spacing-sm) var(--spacing-md);
  }

  .welcome-title {
    font-size: 20px;
  }

  .example-queries {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 576px) {
  :root {
    --spacing-lg: 16px;
    --spacing-xl: 24px;
    --top-bar-height: 56px;
  }

  body {
    font-size: 13px;
  }

  .chat-messages {
    padding: var(--spacing-md);
  }

  .message-group {
    max-width: 95%;
  }

  .chat-input-area {
    padding: var(--spacing-md);
  }
  
  .chat-input-container {
    gap: var(--spacing-sm);
    padding: var(--spacing-xs);
  }
  
  #chatInput {
    padding: var(--spacing-xs) var(--spacing-sm);
  }
  
  .send-btn {
    width: 36px;
    height: 36px;
  }
  
  .input-placeholder {
    left: var(--spacing-sm);
    top: var(--spacing-xs);
  }

  .feedback-btn span {
    display: none;
  }
  
  .feedback-btn i {
    margin-right: 0;
  }

  .chat-context {
    font-size: 12px;
    gap: var(--spacing-xs);
  }
  
  .context-badge {
    font-size: 10px;
    padding: 1px var(--spacing-xs);
    max-width: 100px;
  }
  
  .context-indicator {
    font-size: 11px;
  }

  .login-card {
    padding: var(--spacing-lg);
  }
  
  .login-title {
    font-size: 20px;
  }
  
  .form-control {
    padding: var(--spacing-sm);
  }
  
  .btn-primary {
    padding: var(--spacing-sm);
  }

  .modal {
    max-width: calc(100% - 2 * var(--spacing-md));
  }
  
  .modal-header, .modal-body, .modal-footer {
    padding: var(--spacing-md);
  }

  .notification-container {
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    max-width: calc(100% - 2 * var(--spacing-sm));
  }
  
  .notification-content {
    padding: var(--spacing-sm);
  }
}