/* ==========================================================================
   External Applications Portal — Design System (UI.md Guideline)
   Minimalist Black & White aesthetic with single blue accent
   ========================================================================== */

:root {
  /* Color Palette */
  --bg-page: #F8F9FA;
  --surface-card: #FFFFFF;
  --surface-hover: #F3F4F6;
  --surface-subtle: #FAFAFA;
  
  --text-primary: #111827;
  --text-secondary: #6B7280;
  --text-muted: #9CA3AF;
  --text-on-accent: #FFFFFF;
  
  --border-light: #E5E7EB;
  --border-dark: #D1D5DB;
  --border-focus: #2563EB;
  
  /* Single Blue Accent (Strictly for primary actions & active nav) */
  --accent-blue: #0D6EFD;
  --accent-blue-hover: #0B5ED7;
  --accent-blue-subtle: #EFF6FF;
  --accent-blue-border: #BFDBFE;

  /* Status Tokens (Subtle, Muted) */
  --status-published-bg: #F0FDF4;
  --status-published-text: #166534;
  --status-published-dot: #22C55E;
  
  --status-hidden-bg: #F3F4F6;
  --status-hidden-text: #4B5563;
  --status-hidden-dot: #9CA3AF;

  --status-active-bg: #F0FDF4;
  --status-active-text: #166534;
  --status-active-dot: #22C55E;

  --status-inactive-bg: #FEF2F2;
  --status-inactive-text: #991B1B;
  --status-inactive-dot: #EF4444;

  --status-role-admin-bg: #F1F5F9;
  --status-role-admin-text: #334155;
  --status-role-client-bg: #F8FAFC;
  --status-role-client-text: #64748B;

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  /* Layout */
  --sidebar-width: 240px;
  --header-height: 64px;
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --radius-xl: 12px;
  --radius-full: 9999px;

  /* Shadows (Subtle / Utilitarian) */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.03);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -2px rgba(0, 0, 0, 0.03);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.07), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
  --shadow-modal: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.05);

  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.5;
  color: var(--text-primary);
  background-color: var(--bg-page);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
}

a {
  color: inherit;
  text-decoration: none;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

/* Typography & Utilities */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.page-title {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-primary);
}

.section-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.section-label::after {
  content: "";
  flex: 1;
  height: 1px;
  background-color: var(--border-light);
}

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

.text-muted {
  color: var(--text-muted);
}

.text-sm {
  font-size: 13px;
}

.text-xs {
  font-size: 11px;
}

/* Buttons (Two tiers defined in UI.md §1) */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 500;
  line-height: 1;
  padding: 8px 14px;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
  white-space: nowrap;
  user-select: none;
}

.btn:disabled, .btn.disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

.btn-primary {
  background-color: var(--accent-blue);
  color: var(--text-on-accent);
  border-color: var(--accent-blue);
}

.btn-primary:hover:not(:disabled) {
  background-color: var(--accent-blue-hover);
  border-color: var(--accent-blue-hover);
}

.btn-secondary {
  background-color: var(--surface-card);
  color: var(--text-primary);
  border-color: var(--border-light);
}

.btn-secondary:hover:not(:disabled) {
  background-color: var(--surface-hover);
  border-color: var(--border-dark);
}

.btn-danger-outline {
  background-color: var(--surface-card);
  color: #DC2626;
  border-color: #FECACA;
}

.btn-danger-outline:hover:not(:disabled) {
  background-color: #FEF2F2;
  border-color: #FCA5A5;
}

.btn-sm {
  padding: 6px 10px;
  font-size: 12px;
}

.btn-lg {
  padding: 10px 18px;
  font-size: 14px;
}

.btn-icon-only {
  padding: 7px;
  border-radius: var(--radius-md);
}

/* Status Pills */
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 500;
  line-height: 1.4;
  white-space: nowrap;
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  display: inline-block;
}

.status-published {
  background-color: var(--status-published-bg);
  color: var(--status-published-text);
}
.status-published .status-dot {
  background-color: var(--status-published-dot);
}

.status-hidden {
  background-color: var(--status-hidden-bg);
  color: var(--status-hidden-text);
}
.status-hidden .status-dot {
  background-color: var(--status-hidden-dot);
}

.status-active {
  background-color: var(--status-active-bg);
  color: var(--status-active-text);
}
.status-active .status-dot {
  background-color: var(--status-active-dot);
}

.status-inactive {
  background-color: var(--status-inactive-bg);
  color: var(--status-inactive-text);
}
.status-inactive .status-dot {
  background-color: var(--status-inactive-dot);
}

.role-pill {
  display: inline-flex;
  padding: 2px 7px;
  border-radius: var(--radius-sm);
  font-size: 11px;
  font-weight: 500;
  text-transform: capitalize;
}
.role-pill.role-admin {
  background-color: var(--status-role-admin-bg);
  color: var(--status-role-admin-text);
  border: 1px solid #CBD5E1;
}
.role-pill.role-client {
  background-color: var(--status-role-client-bg);
  color: var(--status-role-client-text);
  border: 1px solid var(--border-light);
}

/* Cards */
.card {
  background-color: var(--surface-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow-sm);
}

/* Layout Shell */
.app-shell {
  display: flex;
  min-height: 100vh;
  width: 100%;
}

.app-sidebar {
  width: var(--sidebar-width);
  background-color: var(--surface-card);
  border-right: 1px solid var(--border-light);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 40;
}

.sidebar-branding {
  height: var(--header-height);
  padding: 0 20px;
  display: flex;
  align-items: center;
  gap: 10px;
  border-bottom: 1px solid var(--border-light);
}

.branding-logo {
  width: 28px;
  height: 28px;
  background-color: var(--text-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 14px;
}

.branding-text {
  display: flex;
  flex-direction: column;
}

.branding-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.2;
}

.branding-tagline {
  font-size: 11px;
  color: var(--text-secondary);
}

.sidebar-nav {
  padding: 16px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 500;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

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

.nav-item.active {
  background-color: var(--accent-blue-subtle);
  color: var(--accent-blue);
  font-weight: 600;
}

.nav-item.active svg {
  stroke: var(--accent-blue);
}

.nav-item svg {
  width: 18px;
  height: 18px;
  stroke: currentColor;
  stroke-width: 2;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.sidebar-footer {
  padding: 16px 16px;
  border-top: 1px solid var(--border-light);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.role-badge-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-secondary);
}

.app-main {
  margin-left: var(--sidebar-width);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  background-color: var(--bg-page);
}

.app-topbar {
  height: var(--header-height);
  background-color: var(--surface-card);
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  position: sticky;
  top: 0;
  z-index: 30;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.app-content {
  padding: 32px;
  flex: 1;
  max-width: 1280px;
  width: 100%;
}

/* User Profile / Account Menu */
.account-menu-wrapper {
  position: relative;
}

.avatar-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  background: none;
  border: 1px solid var(--border-light);
  padding: 4px 10px 4px 4px;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.avatar-btn:hover {
  background-color: var(--surface-hover);
}

.avatar-circle {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background-color: #E2E8F0;
  color: #334155;
  font-weight: 600;
  font-size: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.avatar-name {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
}

.dropdown-menu {
  position: absolute;
  right: 0;
  top: calc(100% + 8px);
  width: 200px;
  background-color: var(--surface-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 6px;
  display: none;
  flex-direction: column;
  gap: 2px;
  z-index: 50;
}

.dropdown-menu.show {
  display: flex;
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: var(--radius-md);
  font-size: 13px;
  color: var(--text-primary);
  background: none;
  border: none;
  width: 100%;
  text-align: left;
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.dropdown-item:hover {
  background-color: var(--surface-hover);
}

.dropdown-item.text-danger {
  color: #DC2626;
}

.dropdown-divider {
  height: 1px;
  background-color: var(--border-light);
  margin: 4px 0;
}

/* Catalog Specific Components */
.catalog-search-box {
  position: relative;
  width: 260px;
}

.catalog-search-box input {
  width: 100%;
  height: 36px;
  padding: 0 12px 0 34px;
  font-size: 13px;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  background-color: var(--surface-card);
  color: var(--text-primary);
  outline: none;
  transition: border-color var(--transition-fast);
}

.catalog-search-box input:focus {
  border-color: var(--border-focus);
}

.catalog-search-box .search-icon {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  color: var(--text-muted);
  pointer-events: none;
}

.category-group {
  margin-bottom: 36px;
}

.catalog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 16px;
}

/* App Card */
.app-card {
  background-color: var(--surface-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 18px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 140px;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.app-card:hover {
  border-color: var(--border-dark);
  box-shadow: var(--shadow-sm);
}

.app-card-top {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 16px;
}

.app-logo-box {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  background-color: #FAFAFA;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  flex-shrink: 0;
}

.app-logo-box img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 4px;
}

.app-logo-fallback {
  font-weight: 700;
  font-size: 16px;
  color: var(--text-secondary);
}

.app-card-info {
  flex: 1;
  min-width: 0;
}

.app-card-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 3px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.app-card-desc {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.app-card-bottom {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding-top: 12px;
  border-top: 1px solid #F3F4F6;
}

/* Table & List Management */
.table-card {
  background-color: var(--surface-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.custom-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 13px;
}

.custom-table th {
  background-color: #FAFAFA;
  padding: 12px 16px;
  font-weight: 600;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-light);
}

.custom-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border-light);
  color: var(--text-primary);
  vertical-align: middle;
}

.custom-table tbody tr:last-child td {
  border-bottom: none;
}

.custom-table tbody tr:hover {
  background-color: #FCFCFD;
}

.table-app-cell {
  display: flex;
  align-items: center;
  gap: 12px;
}

.table-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
}

/* Forms & Inputs */
.form-card {
  background-color: var(--surface-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 28px;
  max-width: 640px;
  box-shadow: var(--shadow-sm);
}

.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.form-label .required {
  color: #DC2626;
  margin-left: 2px;
}

.form-hint {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 4px;
}

.form-control {
  width: 100%;
  height: 38px;
  padding: 0 12px;
  font-size: 13px;
  color: var(--text-primary);
  background-color: var(--surface-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus {
  border-color: var(--border-focus);
}

.form-control.is-invalid {
  border-color: #DC2626;
  background-color: #FEF2F2;
}

.invalid-feedback {
  font-size: 12px;
  color: #DC2626;
  margin-top: 4px;
  display: block;
}

textarea.form-control {
  height: auto;
  padding: 10px 12px;
  resize: vertical;
}

.checkbox-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-primary);
  cursor: pointer;
  user-select: none;
}

.checkbox-label input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--accent-blue);
  cursor: pointer;
}

.form-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--border-light);
}

/* File Upload & Preview */
.logo-upload-wrapper {
  display: flex;
  align-items: center;
  gap: 16px;
}

.logo-preview-box {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-md);
  border: 1px dashed var(--border-dark);
  background-color: #FAFAFA;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}

.logo-preview-box img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 4px;
}

.logo-preview-empty {
  font-size: 10px;
  color: var(--text-muted);
  text-align: center;
  padding: 4px;
}

.inline-category-box {
  margin-top: 10px;
  padding: 12px;
  background-color: var(--surface-subtle);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
}

/* Alerts */
.alert {
  padding: 12px 16px;
  border-radius: var(--radius-md);
  font-size: 13px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 20px;
}

.alert-error {
  background-color: #FEF2F2;
  border: 1px solid #FECACA;
  color: #991B1B;
}

.alert-success {
  background-color: #F0FDF4;
  border: 1px solid #BBF7D0;
  color: #166534;
}

.alert-warning {
  background-color: #FFFBEB;
  border: 1px solid #FDE68A;
  color: #92400E;
}

.alert-info {
  background-color: var(--accent-blue-subtle);
  border: 1px solid var(--accent-blue-border);
  color: #1E40AF;
}

/* Empty States */
.empty-state {
  text-align: center;
  padding: 48px 24px;
  background-color: var(--surface-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
}

.empty-state-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 16px;
  color: var(--text-muted);
}

.empty-state-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.empty-state-desc {
  font-size: 13px;
  color: var(--text-secondary);
  max-width: 380px;
  margin: 0 auto 16px;
}

/* Modals */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(17, 24, 39, 0.4);
  backdrop-filter: blur(2px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 20px;
}

.modal-backdrop.show {
  display: flex;
}

.modal-dialog {
  background-color: var(--surface-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 420px;
  box-shadow: var(--shadow-modal);
  overflow: hidden;
  animation: modalFadeIn 0.15s ease-out;
}

@keyframes modalFadeIn {
  from {
    opacity: 0;
    transform: scale(0.96);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.modal-header {
  padding: 20px 20px 0 20px;
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.modal-icon-badge {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.modal-icon-badge.danger {
  background-color: #FEF2F2;
  color: #DC2626;
}

.modal-icon-badge.info {
  background-color: var(--accent-blue-subtle);
  color: var(--accent-blue);
}

.modal-icon-badge.warning {
  background-color: #FFFBEB;
  color: #D97706;
}

.modal-title-group {
  flex: 1;
}

.modal-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.modal-body {
  padding: 12px 20px 20px 20px;
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
}

.modal-footer {
  padding: 14px 20px;
  background-color: #FAFAFA;
  border-top: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
}

/* Centered Auth Layout */
.auth-container {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background-color: var(--bg-page);
}

.auth-branding {
  text-align: center;
  margin-bottom: 24px;
}

.auth-branding .branding-logo {
  width: 36px;
  height: 36px;
  margin: 0 auto 12px;
  font-size: 18px;
}

.auth-card {
  background-color: var(--surface-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: 32px;
  width: 100%;
  max-width: 400px;
  box-shadow: var(--shadow-md);
}

.auth-card-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.auth-card-subtitle {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

/* State Switcher Toolbar */
.mockup-state-bar {
  position: fixed;
  bottom: 12px;
  left: 50%;
  transform: translateX(-50%);
  background-color: #1E293B;
  color: #F8FAFC;
  padding: 6px 12px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.3);
  z-index: 9999;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.mockup-state-label {
  font-weight: 600;
  color: #94A3B8;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding-right: 4px;
  border-right: 1px solid rgba(255, 255, 255, 0.2);
}

.state-btn {
  background: transparent;
  color: #E2E8F0;
  border: 1px solid transparent;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  cursor: pointer;
  font-size: 12px;
  transition: all var(--transition-fast);
}

.state-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #FFFFFF;
}

.state-btn.active {
  background-color: var(--accent-blue);
  color: #FFFFFF;
  font-weight: 500;
}

.mockup-home-btn {
  background: rgba(255, 255, 255, 0.1);
  color: #F1F5F9;
  border-radius: 50%;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 4px;
}

.mockup-home-btn:hover {
  background: rgba(255, 255, 255, 0.25);
}

@media (max-width: 900px) {
  .app-shell {
    flex-direction: column;
  }
  .app-sidebar {
    width: 100%;
    position: relative;
    height: auto;
  }
  .app-main {
    margin-left: 0;
  }
  .app-content {
    padding: 20px;
  }
  .app-topbar {
    padding: 0 20px;
  }
}