/**
 * MCSERVICES.CSS
 *
 * Complete design system for MCServices Hub.
 * Black/White system with semantic color accents.
 * Anti-AI-tell rules enforced throughout.
 *
 * Sections:
 * 1. Design tokens (typography, spacing, colors, shadows)
 * 2. Dark mode overrides
 * 3. Reset & base styles
 * 4. Typography
 * 5. Buttons
 * 6. Cards
 * 7. Inputs & form controls
 * 8. Header
 * 9. Sidebar
 * 10. Layout
 * 11. Navigation & dropdowns
 * 12. Tables
 * 13. Badges & status
 * 14. Modals & overlays
 * 15. Toasts & notifications
 * 16. Additional components
 * 17. Responsive
 * 18. Print styles
 */

/* ============================================================================
   1. DESIGN TOKENS (COVALE 11.2)
   ============================================================================ */

:root {
  /* Typography (Manrope for headings, Inter for text, JetBrains Mono for code) */
  --mc-font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --mc-font-mono: 'JetBrains Mono', 'Monaco', 'Courier New', monospace;
  --mc-font-heading: 'Manrope', 'Inter', sans-serif;

  --mc-font-size-xs: clamp(0.75rem, 0.7rem + 0.2vw, 0.875rem);
  --mc-font-size-sm: clamp(0.875rem, 0.8rem + 0.3vw, 1rem);
  --mc-font-size-base: clamp(1rem, 0.95rem + 0.3vw, 1.125rem);
  --mc-font-size-lg: clamp(1.125rem, 1rem + 0.5vw, 1.375rem);
  --mc-font-size-xl: clamp(1.5rem, 1.3rem + 0.8vw, 1.875rem);
  --mc-font-size-2xl: clamp(1.875rem, 1.6rem + 1vw, 2.5rem);
  --mc-font-size-3xl: clamp(2.25rem, 1.9rem + 1.3vw, 3rem);

  --mc-line-height-tight: 1.2;
  --mc-line-height-normal: 1.6;
  --mc-line-height-relaxed: 1.8;

  /* Spacing scale */
  --mc-space-xs: 0.25rem;
  --mc-space-sm: 0.5rem;
  --mc-space-md: 1rem;
  --mc-space-lg: 1.5rem;
  --mc-space-xl: 2rem;
  --mc-space-2xl: 3rem;
  --mc-space-3xl: 4rem;

  /* Border radius */
  --mc-radius-sm: 4px;
  --mc-radius: 6px;
  --mc-radius-lg: 8px;

  /* Borders */
  --mc-border-width: 1px;

  /* Light mode colors */
  --mc-bg: #F7F6F3;
  --mc-bg-elevated: #FFFFFF;
  --mc-text: #1B1D21;
  --mc-text-muted: #5A5F6A;
  --mc-border: #E2E1DC;

  /* Dark mode colors */
  --mc-bg-dark: #0E0F12;
  --mc-bg-dark-elevated: #16181C;
  --mc-text-on-dark: #F7F6F3;
  --mc-border-dark: #2A2D33;

  /* Semantic colors */
  --mc-success: #2F7D46;
  --mc-success-bg: #F0FDF4;
  --mc-success-border: #DCFCE7;

  --mc-warning: #B7791F;
  --mc-warning-bg: #FFFBEB;
  --mc-warning-border: #FEF3C7;

  --mc-danger: #B42318;
  --mc-danger-bg: #FEF2F2;
  --mc-danger-border: #FEE2E2;

  --mc-info: #1D4ED8;
  --mc-info-bg: #EFF6FF;
  --mc-info-border: #DBEAFE;

  /* MCServices: Black/White system */
  --mc-primary: #000000;
  --mc-primary-fg: #FFFFFF;
  --mc-accent: #000000;
  --mc-accent-fg: #FFFFFF;

  /* Shadows (subtle, no shadow-2xl) */
  --mc-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --mc-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  --mc-shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);

  /* Transitions (max 200ms) */
  --mc-transition-fast: 100ms ease-in-out;
  --mc-transition: 150ms ease-in-out;
  --mc-transition-slow: 200ms ease-in-out;

  /* Z-index scale */
  --mc-z-sticky: 100;
  --mc-z-dropdown: 1000;
  --mc-z-modal: 1050;
  --mc-z-toast: 1060;
}

/* ============================================================================
   2. DARK MODE OVERRIDES
   ============================================================================ */

html[data-theme="dark"] {
  --mc-bg: var(--mc-bg-dark);
  --mc-bg-elevated: var(--mc-bg-dark-elevated);
  --mc-text: var(--mc-text-on-dark);
  --mc-text-muted: #A0A5B0;
  --mc-border: var(--mc-border-dark);
}

@media (prefers-color-scheme: dark) {
  html[data-theme="system"] {
    --mc-bg: var(--mc-bg-dark);
    --mc-bg-elevated: var(--mc-bg-dark-elevated);
    --mc-text: var(--mc-text-on-dark);
    --mc-text-muted: #A0A5B0;
    --mc-border: var(--mc-border-dark);
  }
}

/* ============================================================================
   3. RESET & BASE
   ============================================================================ */

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--mc-font-sans);
  font-size: var(--mc-font-size-base);
  line-height: var(--mc-line-height-normal);
  color: var(--mc-text);
  background-color: var(--mc-bg);
  transition: background-color var(--mc-transition), color var(--mc-transition);
}

* {
  box-sizing: border-box;
}

input, textarea, select, button {
  font: inherit;
}

/* ============================================================================
   4. TYPOGRAPHY
   ============================================================================ */

h1 {
  font-family: var(--mc-font-heading);
  font-size: var(--mc-font-size-3xl);
  font-weight: 800;
  line-height: var(--mc-line-height-tight);
  margin: 0 0 var(--mc-space-md) 0;
  color: var(--mc-text);
}

h2 {
  font-family: var(--mc-font-heading);
  font-size: var(--mc-font-size-2xl);
  font-weight: 700;
  line-height: var(--mc-line-height-tight);
  margin: 0 0 var(--mc-space-md) 0;
  color: var(--mc-text);
}

h3 {
  font-family: var(--mc-font-heading);
  font-size: var(--mc-font-size-xl);
  font-weight: 700;
  line-height: var(--mc-line-height-tight);
  margin: 0 0 var(--mc-space-sm) 0;
  color: var(--mc-text);
}

p {
  margin: 0 0 var(--mc-space-md) 0;
}

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

.mc-muted {
  color: var(--mc-text-muted);
  font-size: var(--mc-font-size-sm);
}

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

.mc-label-section {
  font-weight: 600;
  font-size: var(--mc-font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--mc-text-muted);
  margin-bottom: var(--mc-space-md);
}

/* ============================================================================
   5. BUTTONS (4 variants + compact)
   ============================================================================ */

.mc-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--mc-space-sm);
  padding: var(--mc-space-md) var(--mc-space-lg);
  font-size: var(--mc-font-size-sm);
  font-weight: 500;
  border: none;
  border-radius: var(--mc-radius);
  cursor: pointer;
  transition: background-color var(--mc-transition), color var(--mc-transition);
  text-decoration: none;
  white-space: nowrap;
}

.mc-btn:focus-visible {
  outline: 2px solid var(--mc-text);
  outline-offset: 2px;
}

/* Primary button */
.mc-btn-primary {
  background-color: var(--mc-primary);
  color: var(--mc-primary-fg);
}

.mc-btn-primary:hover {
  opacity: 0.9;
}

.mc-btn-primary:active {
  opacity: 0.8;
}

/* Ghost button (outline) */
.mc-btn-ghost {
  background-color: transparent;
  color: var(--mc-text);
  border: var(--mc-border-width) solid var(--mc-border);
}

.mc-btn-ghost:hover {
  background-color: var(--mc-bg-elevated);
  border-color: var(--mc-text);
}

/* Link button */
.mc-btn-link {
  background-color: transparent;
  color: var(--mc-primary);
  padding: 0;
  text-decoration: underline;
}

.mc-btn-link:hover {
  text-decoration: none;
  opacity: 0.8;
}

/* Danger button */
.mc-btn-danger {
  background-color: var(--mc-danger);
  color: white;
}

.mc-btn-danger:hover {
  opacity: 0.9;
}

.mc-btn-danger:active {
  opacity: 0.8;
}

/* Compact variant */
.mc-btn-compact {
  padding: var(--mc-space-sm) var(--mc-space-md);
  font-size: var(--mc-font-size-xs);
}

/* ============================================================================
   6. CARDS (UNIFORM border, NO color accent)
   ============================================================================ */

.mc-card {
  background-color: var(--mc-bg-elevated);
  border: var(--mc-border-width) solid var(--mc-border);
  border-radius: var(--mc-radius-lg);
  padding: var(--mc-space-lg);
  transition: box-shadow var(--mc-transition), border-color var(--mc-transition);
}

.mc-card:hover {
  box-shadow: var(--mc-shadow);
  border-color: var(--mc-text-muted);
}

.mc-card-elevated {
  box-shadow: var(--mc-shadow);
}

/* ============================================================================
   7. INPUTS & FORM CONTROLS
   ============================================================================ */

.mc-label {
  display: block;
  font-weight: 500;
  font-size: var(--mc-font-size-sm);
  margin-bottom: var(--mc-space-sm);
  color: var(--mc-text);
}

.mc-help {
  display: block;
  font-size: var(--mc-font-size-xs);
  color: var(--mc-text-muted);
  margin-top: var(--mc-space-sm);
}

.mc-input,
.mc-select,
.mc-textarea {
  width: 100%;
  padding: var(--mc-space-md);
  font-family: var(--mc-font-sans);
  font-size: var(--mc-font-size-base);
  border: var(--mc-border-width) solid var(--mc-border);
  border-radius: var(--mc-radius);
  background-color: var(--mc-bg-elevated);
  color: var(--mc-text);
  transition: border-color var(--mc-transition), box-shadow var(--mc-transition);
}

.mc-input:focus,
.mc-select:focus,
.mc-textarea:focus {
  outline: none;
  border-color: var(--mc-text);
  box-shadow: 0 0 0 2px rgba(0, 0, 0, 0.05);
}

.mc-textarea {
  resize: vertical;
  min-height: 120px;
}

.mc-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231B1D21' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--mc-space-md) center;
  background-size: 20px;
  padding-right: 40px;
}

html[data-theme="dark"] .mc-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23F7F6F3' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
}

.mc-input-group {
  display: flex;
  gap: var(--mc-space-sm);
  align-items: center;
}

.mc-input-group .mc-input {
  flex: 1;
}

.mc-checkbox,
.mc-radio {
  width: 20px;
  height: 20px;
  cursor: pointer;
  accent-color: var(--mc-primary);
}

/* ============================================================================
   8. HEADER
   ============================================================================ */

.mc-header {
  height: 56px;
  background-color: var(--mc-bg-elevated);
  border-bottom: var(--mc-border-width) solid var(--mc-border);
  display: flex;
  align-items: center;
  padding: 0 var(--mc-space-lg);
  gap: var(--mc-space-xl);
  position: sticky;
  top: 0;
  z-index: var(--mc-z-sticky);
  transition: border-color var(--mc-transition), background-color var(--mc-transition);
}

.mc-header-brand {
  font-family: var(--mc-font-heading);
  font-size: var(--mc-font-size-lg);
  font-weight: 700;
  margin: 0;
  color: var(--mc-text);
  text-decoration: none;
}

.mc-header-spacer {
  flex: 1;
}

.mc-header-controls {
  display: flex;
  align-items: center;
  gap: var(--mc-space-md);
}

/* ============================================================================
   9. SIDEBAR
   ============================================================================ */

.mc-sidebar {
  background-color: var(--mc-bg-elevated);
  border-right: var(--mc-border-width) solid var(--mc-border);
  width: 280px;
  padding: var(--mc-space-lg) 0;
  height: calc(100vh - 56px);
  overflow-y: auto;
}

.mc-sidebar-item {
  display: flex;
  align-items: center;
  gap: var(--mc-space-md);
  padding: var(--mc-space-md) var(--mc-space-lg);
  color: var(--mc-text-muted);
  text-decoration: none;
  transition: background-color var(--mc-transition), color var(--mc-transition);
}

.mc-sidebar-item:hover {
  background-color: var(--mc-bg);
  color: var(--mc-text);
}

.mc-sidebar-item.active {
  color: var(--mc-primary);
  background-color: var(--mc-bg);
  border-left: 3px solid var(--mc-primary);
  padding-left: calc(var(--mc-space-lg) - 3px);
}

/* ============================================================================
   10. LAYOUT
   ============================================================================ */

.mc-layout {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.mc-layout-with-sidebar {
  display: grid;
  grid-template-columns: 280px 1fr;
  min-height: calc(100vh - 56px);
}

.mc-content {
  background-color: var(--mc-bg);
  color: var(--mc-text);
  padding: var(--mc-space-xl);
  flex: 1;
  overflow-y: auto;
}

/* ============================================================================
   11. NAVIGATION & DROPDOWNS
   ============================================================================ */

.mc-tabs {
  display: flex;
  border-bottom: var(--mc-border-width) solid var(--mc-border);
  gap: var(--mc-space-lg);
}

.mc-tab {
  padding: var(--mc-space-md) 0;
  border-bottom: 2px solid transparent;
  color: var(--mc-text-muted);
  text-decoration: none;
  cursor: pointer;
  transition: color var(--mc-transition), border-color var(--mc-transition);
}

.mc-tab:hover {
  color: var(--mc-text);
}

.mc-tab.active {
  color: var(--mc-text);
  border-bottom-color: var(--mc-text);
}

.mc-dropdown {
  position: relative;
  display: inline-block;
}

.mc-dropdown-toggle {
  display: flex;
  align-items: center;
  gap: var(--mc-space-sm);
  background: none;
  border: none;
  padding: var(--mc-space-sm);
  cursor: pointer;
  color: var(--mc-text);
}

.mc-dropdown-menu {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: var(--mc-space-sm);
  background-color: var(--mc-bg-elevated);
  border: var(--mc-border-width) solid var(--mc-border);
  border-radius: var(--mc-radius);
  min-width: 200px;
  z-index: var(--mc-z-dropdown);
  box-shadow: var(--mc-shadow-lg);
  display: none;
}

.mc-dropdown.open .mc-dropdown-menu {
  display: block;
}

.mc-dropdown-item {
  display: block;
  width: 100%;
  padding: var(--mc-space-md) var(--mc-space-lg);
  text-align: left;
  background: none;
  border: none;
  color: var(--mc-text);
  cursor: pointer;
  transition: background-color var(--mc-transition);
  text-decoration: none;
}

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

.mc-dropdown-divider {
  height: var(--mc-border-width);
  background-color: var(--mc-border);
  margin: var(--mc-space-sm) 0;
}

/* App launcher grid */
.mc-grid-apps {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--mc-space-lg);
  margin-top: var(--mc-space-xl);
}

.mc-app-card {
  display: flex;
  flex-direction: column;
  padding: var(--mc-space-lg);
  background-color: var(--mc-bg-elevated);
  border: var(--mc-border-width) solid var(--mc-border);
  border-radius: var(--mc-radius-lg);
  text-decoration: none;
  color: var(--mc-text);
  transition: box-shadow var(--mc-transition), border-color var(--mc-transition);
}

.mc-app-card:hover {
  box-shadow: var(--mc-shadow);
  border-color: var(--mc-text-muted);
}

.mc-app-icon {
  font-size: 2.5rem;
  margin-bottom: var(--mc-space-md);
}

.mc-app-name {
  font-weight: 600;
  margin-bottom: var(--mc-space-sm);
}

.mc-app-description {
  font-size: var(--mc-font-size-sm);
  color: var(--mc-text-muted);
  flex: 1;
}

/* Theme toggle */
.mc-theme-toggle {
  display: flex;
  align-items: center;
  gap: var(--mc-space-md);
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--mc-space-sm);
  color: var(--mc-text);
}

/* Language dropdown */
.mc-lang {
  padding: var(--mc-space-sm) var(--mc-space-md);
  background-color: transparent;
  border: none;
  cursor: pointer;
  color: var(--mc-text);
  font-family: var(--mc-font-sans);
}

/* User menu */
.mc-user-menu {
  display: flex;
  align-items: center;
  gap: var(--mc-space-md);
  cursor: pointer;
}

.mc-user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: var(--mc-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  color: var(--mc-text);
}

/* ============================================================================
   12. TABLES
   ============================================================================ */

.mc-table {
  width: 100%;
  border-collapse: collapse;
  background-color: var(--mc-bg-elevated);
  border: var(--mc-border-width) solid var(--mc-border);
  border-radius: var(--mc-radius-lg);
  overflow: hidden;
}

.mc-table thead {
  background-color: var(--mc-bg);
  border-bottom: var(--mc-border-width) solid var(--mc-border);
}

.mc-table th {
  padding: var(--mc-space-md) var(--mc-space-lg);
  text-align: left;
  font-weight: 600;
  font-size: var(--mc-font-size-sm);
  color: var(--mc-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.mc-table td {
  padding: var(--mc-space-md) var(--mc-space-lg);
  border-top: var(--mc-border-width) solid var(--mc-border);
}

.mc-table tbody tr:hover {
  background-color: var(--mc-bg);
}

/* ============================================================================
   13. BADGES & STATUS
   ============================================================================ */

.mc-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--mc-space-sm);
  padding: var(--mc-space-sm) var(--mc-space-md);
  font-size: var(--mc-font-size-xs);
  font-weight: 600;
  border-radius: var(--mc-radius-lg);
  background-color: var(--mc-bg);
  color: var(--mc-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.mc-badge-success {
  background-color: var(--mc-success-bg);
  color: var(--mc-success);
}

.mc-badge-warning {
  background-color: var(--mc-warning-bg);
  color: var(--mc-warning);
}

.mc-badge-danger {
  background-color: var(--mc-danger-bg);
  color: var(--mc-danger);
}

.mc-badge-info {
  background-color: var(--mc-info-bg);
  color: var(--mc-info);
}

/* ============================================================================
   14. MODALS & OVERLAYS
   ============================================================================ */

.mc-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--mc-z-modal);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--mc-transition), visibility var(--mc-transition);
}

.mc-modal-overlay.open {
  opacity: 1;
  visibility: visible;
}

.mc-modal {
  background-color: var(--mc-bg-elevated);
  border: var(--mc-border-width) solid var(--mc-border);
  border-radius: var(--mc-radius-lg);
  padding: var(--mc-space-xl);
  max-width: 500px;
  width: 90%;
  box-shadow: var(--mc-shadow-lg);
}

.mc-modal-header {
  margin-bottom: var(--mc-space-lg);
}

.mc-modal-title {
  font-size: var(--mc-font-size-2xl);
  font-weight: 700;
  margin: 0;
}

.mc-modal-body {
  margin-bottom: var(--mc-space-lg);
}

.mc-modal-footer {
  display: flex;
  gap: var(--mc-space-md);
  justify-content: flex-end;
}

/* ============================================================================
   15. TOASTS & NOTIFICATIONS
   ============================================================================ */

.mc-toast {
  position: fixed;
  bottom: var(--mc-space-lg);
  right: var(--mc-space-lg);
  background-color: var(--mc-bg-elevated);
  border: var(--mc-border-width) solid var(--mc-border);
  border-radius: var(--mc-radius-lg);
  padding: var(--mc-space-lg);
  min-width: 320px;
  max-width: 500px;
  box-shadow: var(--mc-shadow-lg);
  z-index: var(--mc-z-toast);
  display: flex;
  align-items: flex-start;
  gap: var(--mc-space-md);
  animation: slideIn var(--mc-transition-slow) ease-out;
}

@keyframes slideIn {
  from {
    transform: translateX(400px);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

.mc-toast-icon {
  flex-shrink: 0;
  font-size: var(--mc-font-size-lg);
}

.mc-toast-content {
  flex: 1;
}

.mc-toast-title {
  font-weight: 600;
  margin: 0 0 var(--mc-space-sm) 0;
}

.mc-toast-message {
  font-size: var(--mc-font-size-sm);
  color: var(--mc-text-muted);
  margin: 0;
}

.mc-toast-close {
  flex-shrink: 0;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--mc-text-muted);
  padding: 0;
  font-size: var(--mc-font-size-lg);
}

/* ============================================================================
   16. ADDITIONAL COMPONENTS
   ============================================================================ */

/* Alert box (info/warning/danger/success) */
.mc-alert {
  display: flex;
  align-items: flex-start;
  gap: var(--mc-space-md);
  padding: var(--mc-space-lg);
  border: var(--mc-border-width) solid var(--mc-border);
  border-radius: var(--mc-radius-lg);
  margin-bottom: var(--mc-space-lg);
}

.mc-alert-success {
  background-color: var(--mc-success-bg);
  border-color: var(--mc-success-border);
  color: var(--mc-success);
}

.mc-alert-warning {
  background-color: var(--mc-warning-bg);
  border-color: var(--mc-warning-border);
  color: var(--mc-warning);
}

.mc-alert-danger {
  background-color: var(--mc-danger-bg);
  border-color: var(--mc-danger-border);
  color: var(--mc-danger);
}

.mc-alert-info {
  background-color: var(--mc-info-bg);
  border-color: var(--mc-info-border);
  color: var(--mc-info);
}

.mc-alert-icon {
  flex-shrink: 0;
  font-size: var(--mc-font-size-lg);
}

.mc-alert-content {
  flex: 1;
}

.mc-alert-title {
  font-weight: 600;
  margin: 0 0 var(--mc-space-sm) 0;
}

.mc-alert-message {
  margin: 0;
  font-size: var(--mc-font-size-sm);
}

/* Toggle/Switch */
.mc-toggle {
  position: relative;
  display: inline-block;
  width: 50px;
  height: 28px;
}

.mc-toggle input {
  opacity: 0;
  width: 0;
  height: 0;
}

.mc-toggle-slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--mc-border);
  transition: background-color var(--mc-transition);
  border-radius: 28px;
}

.mc-toggle-slider:before {
  position: absolute;
  content: "";
  height: 22px;
  width: 22px;
  left: 3px;
  bottom: 3px;
  background-color: var(--mc-bg);
  transition: transform var(--mc-transition);
  border-radius: 50%;
}

.mc-toggle input:checked + .mc-toggle-slider {
  background-color: var(--mc-primary);
}

.mc-toggle input:checked + .mc-toggle-slider:before {
  transform: translateX(22px);
}

/* Empty state */
.mc-empty-state {
  text-align: center;
  padding: var(--mc-space-3xl) var(--mc-space-xl);
}

.mc-empty-icon {
  font-size: 3rem;
  margin-bottom: var(--mc-space-lg);
  color: var(--mc-text-muted);
}

.mc-empty-title {
  font-size: var(--mc-font-size-lg);
  font-weight: 600;
  margin-bottom: var(--mc-space-sm);
}

.mc-empty-description {
  color: var(--mc-text-muted);
  margin-bottom: var(--mc-space-lg);
}

/* Breadcrumb */
.mc-breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--mc-space-md);
  font-size: var(--mc-font-size-sm);
  margin-bottom: var(--mc-space-lg);
}

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

.mc-breadcrumb-item a {
  color: var(--mc-text);
  text-decoration: none;
}

.mc-breadcrumb-item a:hover {
  text-decoration: underline;
}

.mc-breadcrumb-item.active {
  color: var(--mc-text);
}

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

/* Skeleton loading */
.mc-skeleton {
  display: inline-block;
  background: linear-gradient(
    90deg,
    var(--mc-border) 0%,
    var(--mc-bg) 50%,
    var(--mc-border) 100%
  );
  background-size: 200% 100%;
  animation: loading 1.5s infinite;
}

@keyframes loading {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

.mc-skeleton-text {
  height: 1em;
  width: 100%;
  border-radius: var(--mc-radius);
  margin-bottom: var(--mc-space-sm);
}

.mc-skeleton-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
}

/* Divider */
.mc-divider {
  height: var(--mc-border-width);
  background-color: var(--mc-border);
  margin: var(--mc-space-lg) 0;
  border: none;
}

/* Footer */
.mc-footer {
  background-color: var(--mc-bg-elevated);
  border-top: var(--mc-border-width) solid var(--mc-border);
  padding: var(--mc-space-2xl) var(--mc-space-lg);
  margin-top: auto;
}

.mc-footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--mc-space-2xl);
  max-width: 1200px;
  margin: 0 auto;
}

.mc-footer-section {
  display: flex;
  flex-direction: column;
}

.mc-footer-title {
  font-weight: 600;
  margin-bottom: var(--mc-space-md);
}

.mc-footer-link {
  color: var(--mc-text-muted);
  text-decoration: none;
  font-size: var(--mc-font-size-sm);
  margin-bottom: var(--mc-space-sm);
}

.mc-footer-link:hover {
  color: var(--mc-text);
}

.mc-footer-social {
  display: flex;
  gap: var(--mc-space-md);
  margin-top: var(--mc-space-md);
}

.mc-footer-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: var(--mc-bg);
  color: var(--mc-text-muted);
  text-decoration: none;
  transition: background-color var(--mc-transition), color var(--mc-transition);
}

.mc-footer-social a:hover {
  background-color: var(--mc-border);
  color: var(--mc-text);
}

/* Onboarding steps */
.mc-onboarding {
  display: flex;
  gap: var(--mc-space-lg);
  margin-bottom: var(--mc-space-2xl);
}

.mc-onboarding-step {
  flex: 1;
  text-align: center;
}

.mc-onboarding-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background-color: var(--mc-border);
  border-radius: 50%;
  font-weight: 600;
  margin-bottom: var(--mc-space-md);
}

.mc-onboarding-step.active .mc-onboarding-number {
  background-color: var(--mc-primary);
  color: var(--mc-primary-fg);
}

.mc-onboarding-title {
  font-weight: 600;
  margin-bottom: var(--mc-space-sm);
}

.mc-onboarding-description {
  font-size: var(--mc-font-size-sm);
  color: var(--mc-text-muted);
}

/* Price display */
.mc-price {
  display: flex;
  align-items: baseline;
  gap: var(--mc-space-sm);
}

.mc-price-amount {
  font-family: var(--mc-font-heading);
  font-size: var(--mc-font-size-3xl);
  font-weight: 800;
}

.mc-price-currency {
  font-size: var(--mc-font-size-xl);
}

.mc-price-period {
  font-size: var(--mc-font-size-sm);
  color: var(--mc-text-muted);
}

/* Product card */
.mc-product-card {
  display: flex;
  flex-direction: column;
  padding: var(--mc-space-lg);
  background-color: var(--mc-bg-elevated);
  border: var(--mc-border-width) solid var(--mc-border);
  border-radius: var(--mc-radius-lg);
  text-decoration: none;
  color: var(--mc-text);
  transition: box-shadow var(--mc-transition), border-color var(--mc-transition);
}

.mc-product-card:hover {
  box-shadow: var(--mc-shadow);
  border-color: var(--mc-text-muted);
}

.mc-product-image {
  width: 100%;
  height: 200px;
  background-color: var(--mc-bg);
  border-radius: var(--mc-radius);
  margin-bottom: var(--mc-space-lg);
  object-fit: cover;
}

.mc-product-name {
  font-weight: 600;
  margin-bottom: var(--mc-space-sm);
}

.mc-product-description {
  font-size: var(--mc-font-size-sm);
  color: var(--mc-text-muted);
  flex: 1;
  margin-bottom: var(--mc-space-md);
}

.mc-product-price {
  font-size: var(--mc-font-size-lg);
  font-weight: 700;
}

/* Stat display */
.mc-stat {
  text-align: center;
}

.mc-stat-value {
  font-family: var(--mc-font-heading);
  font-size: var(--mc-font-size-3xl);
  font-weight: 800;
  margin-bottom: var(--mc-space-sm);
}

.mc-stat-label {
  font-size: var(--mc-font-size-sm);
  color: var(--mc-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Timeline */
.mc-timeline {
  position: relative;
  padding-left: var(--mc-space-2xl);
}

.mc-timeline-item {
  position: relative;
  margin-bottom: var(--mc-space-xl);
}

.mc-timeline-item:before {
  content: "";
  position: absolute;
  left: calc(-1 * var(--mc-space-xl) + 5px);
  top: 0;
  width: 12px;
  height: 12px;
  background-color: var(--mc-primary);
  border-radius: 50%;
  border: 2px solid var(--mc-bg-elevated);
}

.mc-timeline-item:not(:last-child):after {
  content: "";
  position: absolute;
  left: calc(-1 * var(--mc-space-xl) + 1px);
  top: 16px;
  width: 2px;
  height: calc(100% + 32px);
  background-color: var(--mc-border);
}

.mc-timeline-time {
  font-size: var(--mc-font-size-sm);
  color: var(--mc-text-muted);
  margin-bottom: var(--mc-space-sm);
}

.mc-timeline-content {
  margin-top: var(--mc-space-md);
}

/* Search input */
.mc-search {
  position: relative;
  display: flex;
  align-items: center;
}

.mc-search-input {
  padding-left: var(--mc-space-xl);
}

.mc-search-icon {
  position: absolute;
  left: var(--mc-space-md);
  color: var(--mc-text-muted);
  pointer-events: none;
}

/* ============================================================================
   17. RESPONSIVE
   ============================================================================ */

@media (max-width: 1023px) {
  .mc-layout-with-sidebar {
    grid-template-columns: 1fr;
  }

  .mc-sidebar {
    display: none;
    position: fixed;
    top: 56px;
    left: 0;
    right: 0;
    height: auto;
    max-height: calc(100vh - 56px);
    border-right: none;
    border-bottom: var(--mc-border-width) solid var(--mc-border);
    width: 100%;
    z-index: var(--mc-z-dropdown);
  }

  .mc-sidebar.open {
    display: block;
  }

  .mc-header {
    justify-content: space-between;
    gap: var(--mc-space-sm);
  }

  .mc-header-controls {
    gap: var(--mc-space-sm);
  }

  .mc-content {
    padding: var(--mc-space-lg);
  }

  .mc-grid-apps {
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: var(--mc-space-md);
  }

  .mc-modal {
    max-width: 90vw;
  }

  .mc-toast {
    bottom: var(--mc-space-md);
    right: var(--mc-space-md);
    left: var(--mc-space-md);
    min-width: auto;
  }
}

@media (max-width: 640px) {
  .mc-header {
    padding: 0 var(--mc-space-md);
    gap: var(--mc-space-sm);
  }

  .mc-header-brand {
    font-size: var(--mc-font-size-base);
  }

  .mc-content {
    padding: var(--mc-space-md);
  }

  .mc-card {
    padding: var(--mc-space-md);
  }

  .mc-modal {
    width: 95%;
    padding: var(--mc-space-lg);
  }

  .mc-input,
  .mc-select,
  .mc-textarea {
    font-size: 16px;
  }

  .mc-btn {
    width: 100%;
  }

  .mc-grid-apps {
    grid-template-columns: 1fr;
  }

  .mc-footer-content {
    grid-template-columns: 1fr;
    gap: var(--mc-space-lg);
  }

  .mc-modal-footer {
    flex-direction: column-reverse;
  }

  .mc-modal-footer .mc-btn {
    width: 100%;
  }
}

/* ============================================================================
   18. PRINT STYLES
   ============================================================================ */

@media print {
  html,
  body {
    background-color: white;
    color: black;
  }

  .mc-header,
  .mc-sidebar,
  .mc-footer,
  .mc-btn,
  .mc-toast,
  .mc-modal-overlay {
    display: none;
  }

  .mc-content {
    padding: 0;
    background-color: white;
  }

  .mc-card {
    page-break-inside: avoid;
    border: 1px solid #999;
    box-shadow: none;
  }

  h1, h2, h3 {
    page-break-after: avoid;
  }

  a {
    text-decoration: underline;
  }
}

/* ============================================================================
   END OF MCSERVICES.CSS
   ============================================================================ */