/* ============================================
   LAYOUT - Pterodactyl Backup System
   ============================================ */

/* App Container */
.app-container {
  display: flex;
  min-height: 100vh;
  background: var(--bg-base);
}

/* ============================================
   SIDEBAR
   ============================================ */

.sidebar {
  width: 260px;
  height: 100vh;
  position: fixed;
  left: 0;
  top: 0;
  display: flex;
  flex-direction: column;
  background: linear-gradient(180deg, var(--bg-surface) 0%, rgba(18, 20, 26, 0.95) 100%);
  border-right: 1px solid var(--border-subtle);
  z-index: var(--z-sticky);
  transition: transform var(--transition-normal);
}

.sidebar-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-5);
  border-bottom: 1px solid var(--border-subtle);
}

.sidebar-logo {
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-success));
  border-radius: var(--radius-md);
  box-shadow: 0 4px 16px var(--accent-primary-glow);
  flex-shrink: 0;
}

.sidebar-logo svg {
  width: 24px;
  height: 24px;
  color: white;
}

.sidebar-brand {
  display: flex;
  flex-direction: column;
  gap: 2px;
  overflow: hidden;
}

.sidebar-brand-title {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text-primary);
  white-space: nowrap;
}

.sidebar-brand-subtitle {
  font-size: 0.6875rem;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-4) var(--space-3);
}

.nav-section {
  margin-bottom: var(--space-5);
}

.nav-section-title {
  padding: var(--space-2) var(--space-3);
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.nav-items {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-3);
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.nav-item svg {
  width: 20px;
  height: 20px;
  opacity: 0.7;
  flex-shrink: 0;
}

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

.nav-item:hover svg {
  opacity: 1;
}

.nav-item.active {
  background: var(--accent-primary-subtle);
  color: var(--accent-primary);
}

.nav-item.active svg {
  opacity: 1;
  color: var(--accent-primary);
}

.sidebar-footer {
  padding: var(--space-4);
  border-top: 1px solid var(--border-subtle);
}

.sidebar-user {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2);
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}

.sidebar-user:hover {
  background: var(--bg-hover);
}

.sidebar-user-info {
  overflow: hidden;
}

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

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

/* ============================================
   MAIN CONTENT
   ============================================ */

.main-content {
  flex: 1;
  margin-left: 260px;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ============================================
   TOPBAR
   ============================================ */

.topbar {
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-6);
  background: rgba(10, 11, 14, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
  position: sticky;
  top: 0;
  z-index: calc(var(--z-sticky) - 1);
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.mobile-menu-toggle {
  display: none;
  padding: var(--space-2);
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  border-radius: var(--radius-sm);
}

.mobile-menu-toggle svg {
  width: 24px;
  height: 24px;
}

.topbar-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
}

.topbar-center {
  flex: 1;
  max-width: 400px;
  margin: 0 var(--space-6);
}

.topbar-search {
  position: relative;
}

.topbar-search-icon {
  position: absolute;
  left: var(--space-4);
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

.topbar-search-icon svg {
  width: 18px;
  height: 18px;
}

.search-input {
  padding-left: calc(var(--space-4) + 22px);
  background: var(--bg-elevated);
  border-color: transparent;
}

.search-input:focus {
  background: var(--bg-surface);
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.topbar-user {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-3);
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.topbar-user:hover {
  background: var(--bg-hover);
  border-color: var(--border-subtle);
}

.topbar-user-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  object-fit: cover;
}

.topbar-user-name {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-primary);
}

.topbar-user-expand {
  color: var(--text-muted);
  transition: transform var(--transition-fast);
}

.dropdown.active .topbar-user-expand {
  transform: rotate(180deg);
}

/* User Dropdown */
.user-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: var(--space-2);
  width: 280px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  z-index: var(--z-dropdown);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all var(--transition-fast);
}

#userDropdown.active .user-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.user-dropdown-header {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4);
  border-bottom: 1px solid var(--border-subtle);
}

.user-dropdown-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
}

.user-dropdown-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  overflow: hidden;
}

.user-dropdown-name {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.user-dropdown-items {
  padding: var(--space-2);
}

.user-dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3);
  color: var(--text-secondary);
  font-size: 0.875rem;
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.user-dropdown-item svg {
  width: 18px;
  height: 18px;
  opacity: 0.7;
}

.user-dropdown-item:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.user-dropdown-item.danger {
  color: var(--accent-danger);
}

.user-dropdown-item.danger:hover {
  background: var(--accent-danger-subtle);
}

/* ============================================
   CONTENT AREA
   ============================================ */

.content-area {
  flex: 1;
  padding: var(--space-6);
  overflow-y: auto;
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 1024px) {
  .sidebar {
    transform: translateX(-100%);
  }
  
  .sidebar.open {
    transform: translateX(0);
  }
  
  .main-content {
    margin-left: 0;
  }
  
  .mobile-menu-toggle {
    display: block;
  }
  
  .topbar-center {
    display: none;
  }
}

@media (max-width: 768px) {
  .topbar {
    padding: 0 var(--space-4);
  }
  
  .topbar-user-name {
    display: none;
  }
  
  .content-area {
    padding: var(--space-4);
  }
}

/* Mobile overlay for sidebar */
.sidebar-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: calc(var(--z-sticky) - 1);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.sidebar-overlay.active {
  opacity: 1;
  visibility: visible;
}