/* Desktop Sidebar Styles for BasketManagerPro */
/* Microsoft Fluent Design Integration */

:root {
  /* Sidebar specific variables */
  --sidebar-width: 280px;
  --sidebar-collapsed-width: 64px;
  --sidebar-bg: rgba(255, 255, 255, 0.9);
  --sidebar-border: rgba(0, 0, 0, 0.1);
  --sidebar-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
  --sidebar-backdrop: blur(10px);
  
  /* Fluent Design Colors */
  --sidebar-text: var(--color-secondary-700, #374151);
  --sidebar-text-muted: var(--color-secondary-500, #6b7280);
  --sidebar-hover-bg: rgba(37, 99, 235, 0.1);
  --sidebar-active-bg: var(--color-primary-100, #dbeafe);
  --sidebar-active-text: var(--color-primary-700, #1d4ed8);
  --sidebar-border-color: var(--color-secondary-200, #e5e7eb);
  
  /* Interactive states */
  --sidebar-focus-ring: 0 0 0 2px var(--color-primary-500, #3b82f6);
  --sidebar-transition: all 0.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* Dark mode support */
[data-theme="dark"] {
  --sidebar-bg: rgba(17, 24, 39, 0.95);
  --sidebar-border: rgba(255, 255, 255, 0.1);
  --sidebar-text: #f9fafb;
  --sidebar-text-muted: #9ca3af;
  --sidebar-hover-bg: rgba(59, 130, 246, 0.15);
  --sidebar-active-bg: rgba(59, 130, 246, 0.2);
  --sidebar-border-color: rgba(255, 255, 255, 0.1);
}

/* Main Sidebar Container */
.desktop-sidebar {
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  width: var(--sidebar-width);
  background: var(--sidebar-bg);
  border-right: 1px solid var(--sidebar-border);
  backdrop-filter: var(--sidebar-backdrop);
  -webkit-backdrop-filter: var(--sidebar-backdrop);
  box-shadow: var(--sidebar-shadow);
  z-index: 1020;
  transform: translateX(0);
  transition: var(--sidebar-transition);
  overflow: hidden;
}

/* Sidebar Content */
.sidebar-content {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 1rem;
  gap: 1rem;
}

/* Brand Section */
.sidebar-brand {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--sidebar-border-color);
  margin-bottom: 0.5rem;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--sidebar-text);
  font-weight: 600;
  font-size: 1.125rem;
  transition: var(--sidebar-transition);
  padding: 0.5rem;
  border-radius: 12px;
}

.brand-link:hover {
  color: var(--sidebar-active-text);
  background-color: var(--sidebar-hover-bg);
  text-decoration: none;
}

.brand-link:focus {
  outline: none;
  box-shadow: var(--sidebar-focus-ring);
}

.brand-icon {
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
}

.brand-text {
  font-size: 1rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Navigation */
.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
}

.nav-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.nav-item {
  position: relative;
}

/* Navigation Buttons */
.nav-button {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  width: 100%;
  padding: 0.75rem 1rem;
  border: none;
  background: transparent;
  color: var(--sidebar-text);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: 12px;
  transition: var(--sidebar-transition);
  cursor: pointer;
  text-align: left;
  min-height: 44px; /* Touch target */
}

.nav-button:hover {
  background-color: var(--sidebar-hover-bg);
  color: var(--sidebar-active-text);
  text-decoration: none;
  transform: translateX(2px);
}

.nav-button:focus {
  outline: none;
  box-shadow: var(--sidebar-focus-ring);
}

.nav-button.active {
  background-color: var(--sidebar-active-bg);
  color: var(--sidebar-active-text);
  font-weight: 600;
}

.nav-button.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 24px;
  background-color: var(--sidebar-active-text);
  border-radius: 0 2px 2px 0;
}

/* Navigation Icons */
.nav-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  font-size: 1rem;
  flex-shrink: 0;
}

.nav-label {
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Dropdown Functionality */
.dropdown-indicator {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  transition: var(--sidebar-transition);
}

.nav-button.expanded .dropdown-indicator {
  transform: rotate(180deg);
}

/* Dropdown Menu */
.dropdown-menu {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  background-color: rgba(0, 0, 0, 0.02);
  border-radius: 8px;
  margin-top: 0.25rem;
  margin-left: 1rem;
  border-left: 2px solid var(--sidebar-border-color);
}

.dropdown-menu.show {
  max-height: 400px;
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 1rem;
  color: var(--sidebar-text-muted);
  text-decoration: none;
  font-size: 0.8125rem;
  border-radius: 8px;
  transition: var(--sidebar-transition);
  margin: 0.125rem 0;
  min-height: 40px;
}

.dropdown-item:hover {
  background-color: var(--sidebar-hover-bg);
  color: var(--sidebar-active-text);
  text-decoration: none;
  transform: translateX(2px);
}

.dropdown-item:focus {
  outline: none;
  box-shadow: var(--sidebar-focus-ring);
}

.dropdown-item.active {
  background-color: var(--sidebar-active-bg);
  color: var(--sidebar-active-text);
  font-weight: 500;
}

.dropdown-label {
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* User Section */
.sidebar-user {
  padding: 1rem;
  border-top: 1px solid var(--sidebar-border-color);
  border-radius: 12px;
  background-color: rgba(0, 0, 0, 0.02);
}

[data-theme="dark"] .sidebar-user {
  background-color: rgba(255, 255, 255, 0.05);
}

.user-info {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.user-avatar {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--sidebar-active-bg);
  color: var(--sidebar-active-text);
  font-size: 1.25rem;
  overflow: hidden;
}

.avatar-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

.user-details {
  flex: 1;
  min-width: 0;
}

.user-name {
  display: block;
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--sidebar-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.user-role {
  display: block;
  font-size: 0.75rem;
  color: var(--sidebar-text-muted);
  text-transform: capitalize;
}

.user-actions {
  display: flex;
  gap: 0.5rem;
  justify-content: space-between;
}

.action-button {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background-color: transparent;
  color: var(--sidebar-text-muted);
  text-decoration: none;
  transition: var(--sidebar-transition);
  position: relative;
}

.action-button:hover {
  background-color: var(--sidebar-hover-bg);
  color: var(--sidebar-active-text);
  text-decoration: none;
}

.action-button:focus {
  outline: none;
  box-shadow: var(--sidebar-focus-ring);
}

/* Notification Badge */
.notification-button {
  position: relative;
}

.notification-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  background-color: #ef4444;
  color: white;
  font-size: 0.625rem;
  font-weight: 600;
  padding: 2px 6px;
  border-radius: 10px;
  min-width: 16px;
  height: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

/* Sidebar Footer */
.sidebar-footer {
  padding: 1rem;
  border-top: 1px solid var(--sidebar-border-color);
}

.auth-buttons {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.logout-form {
  margin: 0;
}

/* Button Overrides for Sidebar */
.sidebar-footer .btn {
  font-size: 0.875rem;
  padding: 0.625rem 1rem;
  border-radius: 10px;
  font-weight: 500;
  min-height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: var(--sidebar-transition);
}

.sidebar-footer .btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.sidebar-footer .btn:focus {
  outline: none;
  box-shadow: var(--sidebar-focus-ring);
}

/* Responsive adjustments */
@media (max-width: 1023.98px) {
  .desktop-sidebar {
    display: none !important;
  }
}

/* Standard desktop screens optimization */
@media (min-width: 1024px) and (max-width: 1399.98px) {
  .desktop-sidebar {
    --sidebar-width: 280px;
  }
  
  .sidebar-content {
    padding: 1rem;
  }
  
  .brand-text {
    font-size: 1rem;
  }
  
  .nav-label,
  .dropdown-label {
    font-size: 0.875rem;
  }
}

/* Large screens optimization */
@media (min-width: 1400px) {
  .desktop-sidebar {
    --sidebar-width: 320px;
  }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  .desktop-sidebar,
  .nav-button,
  .dropdown-menu,
  .action-button,
  .btn {
    transition: none;
  }
  
  .nav-button:hover,
  .dropdown-item:hover {
    transform: none;
  }
}

/* High contrast mode */
@media (prefers-contrast: high) {
  .desktop-sidebar {
    --sidebar-border: #000;
    --sidebar-hover-bg: rgba(0, 0, 0, 0.2);
    --sidebar-active-bg: rgba(0, 0, 0, 0.1);
  }
  
  [data-theme="dark"] .desktop-sidebar {
    --sidebar-border: #fff;
    --sidebar-hover-bg: rgba(255, 255, 255, 0.2);
    --sidebar-active-bg: rgba(255, 255, 255, 0.1);
  }
}

/* Focus-visible for better keyboard navigation */
.nav-button:focus-visible,
.dropdown-item:focus-visible,
.action-button:focus-visible,
.brand-link:focus-visible {
  outline: 2px solid var(--color-primary-500, #3b82f6);
  outline-offset: 2px;
  box-shadow: none;
}

/* Smooth scrolling for navigation */
.sidebar-nav {
  scrollbar-width: thin;
  scrollbar-color: var(--sidebar-border-color) transparent;
}

.sidebar-nav::-webkit-scrollbar {
  width: 6px;
}

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

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

.sidebar-nav::-webkit-scrollbar-thumb:hover {
  background-color: var(--sidebar-text-muted);
}