/* ============================================================
   CANCELIO ADMIN PANEL - COMPREHENSIVE STYLESHEET
   ============================================================ */

/* ============================================================
   1. CSS CUSTOM PROPERTIES & THEME VARIABLES
   ============================================================ */

:root {
  /* Light Theme - Default */
  --color-bg: #f5f5f7;
  --color-surface: #ffffff;
  --color-surface-secondary: #f5f5f7;
  --color-border: #e5e5e5;
  --color-text: #1d1d1f;
  --color-text-muted: #6e6e73;
  --color-primary: #007aff;
  --color-primary-hover: #0051d5;
  --color-danger: #ff3b30;
  --color-danger-hover: #ff1744;
  --color-success: #34c759;
  --color-warning: #ff9f0a;
  --color-blue: #007aff;
  --color-gray: #8e8e93;

  /* Spacing */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-2xl: 48px;

  /* Typography */
  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', sans-serif;
  --font-size-xs: 12px;
  --font-size-sm: 13px;
  --font-size-base: 14px;
  --font-size-md: 16px;
  --font-size-lg: 18px;
  --font-size-xl: 20px;
  --font-size-2xl: 28px;

  /* Line heights */
  --line-height-tight: 1.2;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.75;

  /* Border radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.1);

  /* Transitions */
  --transition-fast: 150ms ease-out;
  --transition-normal: 200ms ease-out;
  --transition-slow: 300ms ease-out;

  /* Layout */
  --sidebar-width: 280px;
  --sidebar-width-collapsed: 64px;
  --topbar-height: 56px;
}

body.theme-dark {
  --color-bg: #000000;
  --color-surface: #1c1c1e;
  --color-surface-secondary: #2c2c2e;
  --color-border: #38383a;
  --color-text: #f5f5f7;
  --color-text-muted: #98989d;
  --color-primary: #0a84ff;
  --color-primary-hover: #3ca4ff;
  --color-danger: #ff453a;
  --color-danger-hover: #ff6b66;
}

/* ============================================================
   2. RESET & BASE STYLES
   ============================================================ */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-primary-hover);
}

/* ============================================================
   3. LOGIN SCREEN STYLES
   ============================================================ */

.login-screen {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: linear-gradient(135deg, var(--color-primary) 0%, #5ac8fa 100%);
  padding: var(--spacing-md);
}

.login-screen.hidden {
  display: none;
}

.login-card {
  width: 100%;
  max-width: 380px;
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
  box-shadow: var(--shadow-xl);
}

.login-logo {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--spacing-sm);
  letter-spacing: -0.5px;
}

.login-logo-dot {
  color: var(--color-primary);
}

.login-sub {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-xl);
  font-weight: 500;
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.login-error {
  background: rgba(255, 59, 48, 0.1);
  color: var(--color-danger);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  display: block;
}

.login-error.hidden {
  display: none;
}

/* ============================================================
   4. APP LAYOUT (SIDEBAR + MAIN)
   ============================================================ */

.app {
  display: flex;
  min-height: 100vh;
  background-color: var(--color-bg);
}

.app.hidden {
  display: none;
}

.sidebar {
  width: var(--sidebar-width);
  background-color: var(--color-surface);
  border-right: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-normal);
  position: relative;
  z-index: 100;
  overflow-y: auto;
}

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

.sidebar.mobile-open {
  position: fixed;
  left: 0;
  top: 0;
  height: 100vh;
  z-index: 200;
}

.main {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* ============================================================
   5. SIDEBAR BRAND
   ============================================================ */

.sidebar-brand {
  padding: var(--spacing-lg) var(--spacing-md);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-weight: 700;
  font-size: var(--font-size-lg);
}

.sidebar.collapsed .sidebar-brand {
  justify-content: center;
  padding: var(--spacing-lg) var(--spacing-sm);
}

.sidebar-brand-name {
  color: var(--color-text);
  letter-spacing: -0.5px;
}

.sidebar.collapsed .sidebar-brand-name {
  display: none;
}

.sidebar-brand-badge {
  background: var(--color-primary);
  color: white;
  font-size: var(--font-size-xs);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  font-weight: 600;
}

.sidebar.collapsed .sidebar-brand-badge {
  padding: 0;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
}

/* ============================================================
   6. SIDEBAR NAVIGATION
   ============================================================ */

.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: var(--spacing-md) 0;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md) var(--spacing-md);
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  font-weight: 500;
  border-left: 3px solid transparent;
  cursor: pointer;
  transition: all var(--transition-normal);
  white-space: nowrap;
}

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

.nav-item.active {
  background-color: rgba(0, 122, 255, 0.1);
  color: var(--color-primary);
  border-left-color: var(--color-primary);
}

.sidebar.collapsed .nav-item {
  justify-content: center;
  padding: var(--spacing-md) var(--spacing-sm);
  gap: 0;
}

.nav-icon {
  font-size: var(--font-size-lg);
  flex-shrink: 0;
  width: 24px;
  text-align: center;
}

.nav-label {
  flex: 1;
}

.sidebar.collapsed .nav-label {
  display: none;
}

.nav-badge {
  background: var(--color-danger);
  color: white;
  font-size: var(--font-size-xs);
  padding: 2px 6px;
  border-radius: 10px;
  font-weight: 600;
  margin-left: auto;
}

.sidebar.collapsed .nav-badge {
  display: none;
}

.nav-badge.hidden {
  display: none;
}

.nav-divider {
  height: 1px;
  background-color: var(--color-border);
  margin: var(--spacing-md) 0;
}

/* ============================================================
   7. SIDEBAR FOOTER & USER INFO
   ============================================================ */

.sidebar-footer {
  padding: var(--spacing-md) var(--spacing-md);
  border-top: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.sidebar.collapsed .sidebar-footer {
  flex-direction: column;
  padding: var(--spacing-sm);
}

.sidebar-user {
  flex: 1;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  cursor: pointer;
  transition: opacity var(--transition-fast);
}

.sidebar-user:hover {
  opacity: 0.7;
}

.sidebar.collapsed .sidebar-user {
  flex: 0;
}

.user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-primary);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: var(--font-size-sm);
  flex-shrink: 0;
}

.user-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.sidebar.collapsed .user-info {
  display: none;
}

.user-name {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text);
}

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

.btn-logout {
  width: 36px;
  height: 36px;
  border: 1px solid var(--color-border);
  background: transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-lg);
  color: var(--color-text-muted);
  transition: all var(--transition-fast);
}

.btn-logout:hover {
  background-color: var(--color-surface-secondary);
  color: var(--color-text);
}

/* ============================================================
   8. TOPBAR STYLES
   ============================================================ */

.topbar {
  height: var(--topbar-height);
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  padding: 0 var(--spacing-lg);
  gap: var(--spacing-md);
  flex-shrink: 0;
}

.topbar-menu {
  display: none;
  width: 36px;
  height: 36px;
  border: 1px solid var(--color-border);
  background: transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: var(--font-size-lg);
  color: var(--color-text);
  transition: all var(--transition-fast);
}

.topbar-menu:hover {
  background-color: var(--color-surface-secondary);
}

.topbar-title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--color-text);
  flex: 1;
  margin: 0;
}

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

/* ============================================================
   9. PAGE CONTAINER
   ============================================================ */

.page-container {
  flex: 1;
  overflow-y: auto;
  padding: var(--spacing-xl);
}

/* ============================================================
   10. CARD COMPONENTS
   ============================================================ */

.card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: all var(--transition-normal);
}

.card:hover {
  box-shadow: var(--shadow-md);
}

.card-header {
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--color-border);
  background-color: var(--color-surface-secondary);
}

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

.stat-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.stat-value {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-text);
}

.stat-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  font-weight: 500;
}

.stat-change {
  font-size: var(--font-size-sm);
  font-weight: 600;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  width: fit-content;
}

.stat-change.positive {
  color: var(--color-success);
  background: rgba(52, 199, 89, 0.1);
}

.stat-change.negative {
  color: var(--color-danger);
  background: rgba(255, 59, 48, 0.1);
}

/* ============================================================
   11. TABLE STYLES
   ============================================================ */

.table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-lg);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--font-size-sm);
}

thead {
  background-color: var(--color-surface-secondary);
  border-bottom: 1px solid var(--color-border);
}

th {
  padding: var(--spacing-md);
  text-align: left;
  font-weight: 600;
  color: var(--color-text-muted);
  white-space: nowrap;
}

td {
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text);
}

tbody tr {
  transition: background-color var(--transition-fast);
}

tbody tr:hover {
  background-color: var(--color-surface-secondary);
}

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

/* ============================================================
   12. BADGE STYLES
   ============================================================ */

.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: 6px;
  font-size: var(--font-size-xs);
  font-weight: 600;
  white-space: nowrap;
}

.badge-green {
  background-color: rgba(52, 199, 89, 0.15);
  color: var(--color-success);
}

.badge-yellow {
  background-color: rgba(255, 159, 10, 0.15);
  color: var(--color-warning);
}

.badge-red {
  background-color: rgba(255, 59, 48, 0.15);
  color: var(--color-danger);
}

.badge-blue {
  background-color: rgba(0, 122, 255, 0.15);
  color: var(--color-blue);
}

.badge-gray {
  background-color: rgba(142, 142, 147, 0.15);
  color: var(--color-gray);
}

.badge-purple {
  background-color: rgba(175, 82, 222, 0.15);
  color: #af52de;
}

/* ============================================================
   13. BUTTON STYLES
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  font-weight: 500;
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  font-family: var(--font-family);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-primary {
  background-color: var(--color-primary);
  color: white;
}

.btn-primary:hover:not(:disabled) {
  background-color: var(--color-primary-hover);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background-color: var(--color-surface-secondary);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

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

.btn-danger {
  background-color: var(--color-danger);
  color: white;
}

.btn-danger:hover:not(:disabled) {
  background-color: var(--color-danger-hover);
  box-shadow: var(--shadow-md);
}

.btn-ghost {
  background-color: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

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

.btn-sm {
  padding: 6px 12px;
  font-size: var(--font-size-sm);
}

.btn-full {
  width: 100%;
}

/* ============================================================
   14. FORM STYLES
   ============================================================ */

.field {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.field-label {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text);
}

.field-input,
.field-select,
.field-textarea {
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: var(--color-surface);
  color: var(--color-text);
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  transition: all var(--transition-fast);
}

.field-input:focus,
.field-select:focus,
.field-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.1);
}

.field-textarea {
  resize: vertical;
  min-height: 100px;
  font-family: var(--font-family);
}

/* ============================================================
   15. GRID UTILITIES
   ============================================================ */

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-lg);
}

/* ============================================================
   16. STAT GRID FOR DASHBOARD
   ============================================================ */

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

/* ============================================================
   17. TOAST NOTIFICATIONS
   ============================================================ */

.toast-container {
  position: fixed;
  top: var(--spacing-lg);
  right: var(--spacing-lg);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  pointer-events: none;
}

.toast {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-gray);
  border-radius: var(--radius-md);
  padding: var(--spacing-md) var(--spacing-lg);
  box-shadow: var(--shadow-lg);
  min-width: 300px;
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  pointer-events: auto;
  animation: slideIn 200ms ease-out;
}

.toast-success {
  border-left-color: var(--color-success);
  color: var(--color-success);
}

.toast-error {
  border-left-color: var(--color-danger);
  color: var(--color-danger);
}

.toast-warning {
  border-left-color: var(--color-warning);
  color: var(--color-warning);
}

.toast-info {
  border-left-color: var(--color-blue);
  color: var(--color-blue);
}

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

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

.toast.removing {
  animation: slideOut 200ms ease-out;
}

/* ============================================================
   18. MODAL STYLES
   ============================================================ */

.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 999;
  animation: fadeIn 200ms ease-out;
}

.modal-overlay.hidden {
  display: none;
}

.modal {
  background-color: var(--color-surface);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  padding: var(--spacing-2xl);
  max-width: 400px;
  width: 100%;
  animation: scaleIn 200ms ease-out;
}

.modal-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--spacing-md);
}

.modal-body {
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-lg);
  line-height: var(--line-height-normal);
}

.modal-actions {
  display: flex;
  gap: var(--spacing-md);
  justify-content: flex-end;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes scaleIn {
  from {
    transform: scale(0.95);
    opacity: 0;
  }
  to {
    transform: scale(1);
    opacity: 1;
  }
}

/* ============================================================
   19. LOADING SPINNER
   ============================================================ */

.spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(0, 122, 255, 0.3);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* ============================================================
   20. FILTER BAR
   ============================================================ */

.filter-bar {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
  flex-wrap: wrap;
  align-items: center;
}

.filter-group {
  display: flex;
  gap: var(--spacing-sm);
  align-items: center;
}

.filter-group label {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-muted);
}

/* ============================================================
   21. PAGINATION
   ============================================================ */

.pagination {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: center;
  align-items: center;
  margin-top: var(--spacing-lg);
}

.page-btn {
  width: 32px;
  height: 32px;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: var(--font-size-sm);
  color: var(--color-text);
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
}

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

.page-btn.active {
  background-color: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

.page-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ============================================================
   22. SECTION HEADER
   ============================================================ */

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

.section-header h2 {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--color-text);
  margin: 0;
}

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

/* ============================================================
   23. TAG/CHIP STYLES
   ============================================================ */

.tag-list {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.tag {
  background-color: var(--color-surface-secondary);
  color: var(--color-text);
  padding: 4px 12px;
  border-radius: 16px;
  font-size: var(--font-size-xs);
  font-weight: 500;
  border: 1px solid var(--color-border);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.tag-remove {
  cursor: pointer;
  opacity: 0.6;
  transition: opacity var(--transition-fast);
}

.tag-remove:hover {
  opacity: 1;
}

/* ============================================================
   24. SECRET FIELD STYLES
   ============================================================ */

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

.secret-value {
  font-family: 'Monaco', 'Courier New', monospace;
  font-size: var(--font-size-sm);
  background: var(--color-surface-secondary);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  flex: 1;
  color: var(--color-text-muted);
  user-select: none;
}

.secret-value.masked {
  letter-spacing: 4px;
}

/* ============================================================
   25. CHART PLACEHOLDER
   ============================================================ */

.chart-placeholder {
  width: 100%;
  height: 300px;
  background: var(--color-surface-secondary);
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

/* ============================================================
   26. RESPONSIVE DESIGN
   ============================================================ */

@media (max-width: 768px) {
  :root {
    --sidebar-width: 64px;
  }

  .topbar-menu {
    display: flex;
  }

  .sidebar {
    position: fixed;
    left: 0;
    top: 0;
    height: 100vh;
    z-index: 200;
    transform: translateX(-100%);
  }

  .sidebar.mobile-open {
    transform: translateX(0);
  }

  .sidebar-brand-name,
  .nav-label,
  .user-info,
  .nav-badge {
    display: none;
  }

  .sidebar-brand {
    justify-content: center;
    padding: var(--spacing-lg) var(--spacing-sm);
  }

  .nav-item {
    justify-content: center;
    padding: var(--spacing-md) var(--spacing-sm);
  }

  .page-container {
    padding: var(--spacing-lg);
  }

  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

  .stat-grid {
    grid-template-columns: 1fr;
  }

  .toast-container {
    left: var(--spacing-lg);
    right: var(--spacing-lg);
  }

  .toast {
    min-width: unset;
    width: 100%;
  }

  .section-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .modal {
    margin: var(--spacing-lg);
    max-width: unset;
  }

  table {
    font-size: var(--font-size-xs);
  }

  th,
  td {
    padding: var(--spacing-sm);
  }
}

@media (max-width: 480px) {
  .sidebar-footer {
    padding: var(--spacing-sm);
  }

  .topbar {
    padding: 0 var(--spacing-md);
  }

  .topbar-title {
    font-size: var(--font-size-lg);
  }

  .page-container {
    padding: var(--spacing-md);
  }

  .card-body,
  .card-header {
    padding: var(--spacing-md);
  }

  .section-header h2 {
    font-size: var(--font-size-lg);
  }

  .stat-value {
    font-size: var(--font-size-xl);
  }
}

/* ============================================================
   27. UTILITY CLASSES
   ============================================================ */

.hidden {
  display: none !important;
}

.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

.gap-md {
  gap: var(--spacing-md);
}

.gap-lg {
  gap: var(--spacing-lg);
}

.mt-lg {
  margin-top: var(--spacing-lg);
}

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

.text-center {
  text-align: center;
}

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

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

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

.opacity-50 {
  opacity: 0.5;
}

/* ============================================================
   28. MISSING / DYNAMIC PAGE CLASSES
   ============================================================ */

/* Page wrapper — main content area padding */
.page-wrapper {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
  max-width: 1200px;
}

/* Card headings — direct children only so integration flex wrappers are unaffected */
.card > h3 {
  font-size: var(--font-size-md);
  font-weight: 600;
  color: var(--color-text);
  padding: var(--spacing-lg) var(--spacing-lg) 0;
  margin-bottom: var(--spacing-md);
}

/* Nested card headings (e.g. inside flex wrappers) */
.card h3 {
  font-size: var(--font-size-md);
  font-weight: 600;
  color: var(--color-text);
}

/* Card actions row */
.card-actions {
  padding: 0 var(--spacing-lg) var(--spacing-lg);
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

/* Spinner centred in a wrapper */
.spinner-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-2xl);
}

.spinner {
  width: 32px;
  height: 32px;
  border-width: 3px;
}

/* Data table (used by all pages) */
.data-table {
  width: 100%;
  border-collapse: collapse;
}

.data-table thead {
  background-color: var(--color-surface-secondary);
}

.data-table th {
  padding: var(--spacing-sm) var(--spacing-md);
  text-align: left;
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  white-space: nowrap;
}

.data-table td {
  padding: var(--spacing-sm) var(--spacing-md);
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text);
  font-size: var(--font-size-sm);
}

.data-table tbody tr:hover {
  background-color: var(--color-surface-secondary);
}

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

.table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}

.table-empty {
  text-align: center;
  color: var(--color-text-muted);
  padding: var(--spacing-2xl) !important;
  font-size: var(--font-size-sm);
}

/* Info grid for order detail */
.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: var(--spacing-md);
  padding: var(--spacing-md) var(--spacing-lg) var(--spacing-lg);
}

.info-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.info-label {
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.info-value {
  font-size: var(--font-size-sm);
  color: var(--color-text);
  font-weight: 500;
}

/* Form helpers */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 0 var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

.form-label {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text);
}

.form-hint {
  font-weight: 400;
  color: var(--color-text-muted);
}

.form-input,
.form-select {
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: var(--color-surface);
  color: var(--color-text);
  font-family: var(--font-family);
  font-size: var(--font-size-sm);
  transition: all var(--transition-fast);
}

.form-input:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.1);
}

/* Settings feature flags */
.settings-flags {
  padding: var(--spacing-sm) var(--spacing-lg);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  margin: var(--spacing-sm) 0;
}

.form-check {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  cursor: pointer;
}

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

.form-check label {
  font-size: var(--font-size-sm);
  color: var(--color-text);
  cursor: pointer;
  user-select: none;
}

/* Analytics period toggle buttons */
.btn-analytics {
  padding: 6px 16px;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-analytics:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: rgba(0,122,255,0.05);
}

.btn-analytics.active {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

/* Pagination */
.btn-pagination {
  min-width: 32px;
  height: 32px;
  padding: 0 8px;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: var(--font-size-sm);
  color: var(--color-text);
  transition: all var(--transition-fast);
}

.btn-pagination:hover {
  background-color: var(--color-surface-secondary);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.pagination-current {
  min-width: 32px;
  height: 32px;
  padding: 0 8px;
  background: var(--color-primary);
  color: white;
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* Error state */
.error-state {
  background: rgba(255, 59, 48, 0.08);
  border: 1px solid rgba(255, 59, 48, 0.2);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  color: var(--color-danger);
  font-size: var(--font-size-sm);
  text-align: center;
}

/* Empty state */
.empty-state {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  text-align: center;
  padding: var(--spacing-xl);
}

/* Content CMS table */
.content-table {
  display: flex;
  flex-direction: column;
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.content-row {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  background: var(--color-surface);
  padding: var(--spacing-sm) var(--spacing-md);
}

.content-row:hover {
  background: var(--color-surface-secondary);
}

.content-key {
  font-family: monospace;
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  min-width: 200px;
  max-width: 240px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.content-value {
  flex: 1;
  padding: 6px 10px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  color: var(--color-text);
  font-family: var(--font-family);
  font-size: var(--font-size-sm);
  transition: all var(--transition-fast);
}

.content-value:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px rgba(0,122,255,0.1);
}

/* Filter bar inputs */
.filter-input {
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  color: var(--color-text);
  font-size: var(--font-size-sm);
  font-family: var(--font-family);
  transition: all var(--transition-fast);
}

.filter-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0,122,255,0.1);
}

.filter-select {
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  color: var(--color-text);
  font-size: var(--font-size-sm);
  font-family: var(--font-family);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-select:focus {
  outline: none;
  border-color: var(--color-primary);
}

/* Badge warning */
.badge-warning {
  background-color: rgba(255, 159, 10, 0.15);
  color: var(--color-warning);
}

/* Category tag */
.category-tag {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  background: var(--color-surface-secondary);
  border: 1px solid var(--color-border);
  font-size: var(--font-size-xs);
  font-weight: 500;
  color: var(--color-text-muted);
  text-transform: capitalize;
}

/* ID cell */
.id-cell {
  font-family: monospace;
  font-size: var(--font-size-xs);
  background: var(--color-surface-secondary);
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--color-text-muted);
}

/* Actions cell */
.actions-cell {
  display: flex;
  gap: 6px;
  align-items: center;
  white-space: nowrap;
}

/* Mobile sidebar open class */
@media (max-width: 768px) {
  .sidebar.open {
    transform: translateX(0);
  }
  .info-grid {
    grid-template-columns: 1fr 1fr;
  }
  .content-key {
    min-width: 120px;
    max-width: 140px;
  }
}

@media (max-width: 480px) {
  .info-grid {
    grid-template-columns: 1fr;
  }
  .content-row {
    flex-wrap: wrap;
  }
  .content-key {
    min-width: 100%;
  }
}

/* ============================================================
   END OF STYLESHEET
   ============================================================ */