/* ==========================================================================
   CMS Admin — SaaS Design Layer
   Vercel · Linear · Stripe · Notion inspired
   Loaded after admin.css — overrides & extensions
   ========================================================================== */

/* --------------------------------------------------------------------------
   Dark mode — CMS 장시간 사용 최적화
   순수 검정 미사용 · 명도 대비 확보 · 계층적 서피스
   -------------------------------------------------------------------------- */
[data-theme="dark"] {
  /* Canvas & elevation (3-tier) */
  --color-bg: #17181c;
  --color-surface: #1e2026;
  --color-surface-raised: #262930;
  --color-surface-hover: #2d3139;

  /* Text — WCAG 대비 확보 */
  --color-text: #eef0f4;
  --color-text-secondary: #b4b9c4;
  --color-text-muted: #949bab;
  --color-text-inverse: #ffffff;

  /* Borders — 카드/배경 구분 */
  --color-border: #383c46;
  --color-border-strong: #484d59;

  /* Gray scale remapped for dark UI */
  --color-gray-50: #262930;
  --color-gray-100: #2d3139;
  --color-gray-200: #383c46;
  --color-gray-300: #484d59;
  --color-gray-400: #6d7380;
  --color-gray-500: #949bab;
  --color-gray-600: #b4b9c4;
  --color-gray-700: #cdd1d9;
  --color-gray-800: #e2e5eb;
  --color-gray-900: #eef0f4;

  /* Primary — 포인트용, 채도 완화 */
  --color-primary: #6e7ef7;
  --color-primary-hover: #8491f9;
  --color-primary-active: #5a6ae8;
  --color-primary-light: #3d4260;
  --color-primary-subtle: #282b3d;

  /* Semantic — 다크 배경 대비 */
  --color-success: #5fd68a;
  --color-success-bg: rgba(95, 214, 138, 0.12);
  --color-success-border: rgba(95, 214, 138, 0.28);

  --color-warning: #f0b95c;
  --color-warning-bg: rgba(240, 185, 92, 0.12);
  --color-warning-border: rgba(240, 185, 92, 0.28);

  --color-danger: #f07070;
  --color-danger-bg: rgba(240, 112, 112, 0.12);
  --color-danger-border: rgba(240, 112, 112, 0.28);

  --color-info: #5eb8e8;
  --color-info-bg: rgba(94, 184, 232, 0.12);
  --color-info-border: rgba(94, 184, 232, 0.28);

  /* Shell */
  --header-bg: rgba(30, 32, 38, 0.94);
  --header-border: #383c46;
  --sidebar-bg: #1a1c22;
  --sidebar-bg-hover: #252830;
  --sidebar-bg-active: rgba(110, 126, 247, 0.16);
  --sidebar-text: #b4b9c4;
  --sidebar-text-muted: #949bab;
  --sidebar-text-active: #eef0f4;
  --sidebar-border: #383c46;

  /* Tables */
  --table-header-bg: #22252c;
  --table-row-hover: #252830;

  /* Shadows — border + subtle depth */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.28), 0 0 0 1px rgba(255, 255, 255, 0.04);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.36), 0 0 0 1px rgba(255, 255, 255, 0.05);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.44), 0 0 0 1px rgba(255, 255, 255, 0.06);

  /* Forms */
  --input-border: #484d59;
  --input-focus-ring: 0 0 0 3px rgba(110, 126, 247, 0.32);
}

/* --------------------------------------------------------------------------
   Base & page transition
   -------------------------------------------------------------------------- */
html {
  scroll-behavior: smooth;
}

body.is-layout-ready .admin-content {
  animation: page-enter 0.35s cubic-bezier(0.4, 0, 0.2, 1) both;
}

@keyframes page-enter {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* --------------------------------------------------------------------------
   Icon system
   -------------------------------------------------------------------------- */
.icon {
  display: block;
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.icon-sm {
  width: 16px;
  height: 16px;
}

.icon-lg {
  width: 20px;
  height: 20px;
}

/* --------------------------------------------------------------------------
   Header — SaaS shell
   -------------------------------------------------------------------------- */
.admin-header {
  height: var(--header-height);
  padding: 0 var(--space-6);
  background: var(--header-bg);
  border-bottom: 1px solid var(--header-border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  gap: var(--space-4);
}

.header-center {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
  max-width: 520px;
  margin: 0 auto;
}

.header-search {
  position: relative;
  width: 100%;
}

.header-search-input {
  width: 100%;
  height: 40px;
  padding: 0 88px 0 40px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-gray-50);
  color: var(--color-text);
  font-size: var(--font-size-sm);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast),
    background var(--transition-fast);
}

.header-search-input::placeholder {
  color: var(--color-text-muted);
}

.header-search-input:hover {
  border-color: var(--color-border-strong);
}

.header-search-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: var(--input-focus-ring);
  background: var(--color-surface);
}

.header-search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
  pointer-events: none;
}

.header-search-kbd {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 3px 8px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  font-size: 11px;
  font-weight: 500;
  color: var(--color-text-muted);
  font-family: inherit;
  pointer-events: none;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.header-icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  padding: 0;
  border: none;
  border-radius: var(--radius-lg);
  background: transparent;
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast),
    transform var(--transition-fast);
  position: relative;
}

.header-icon-btn:hover {
  background: var(--color-gray-100);
  color: var(--color-text);
}

.header-icon-btn:active {
  transform: scale(0.96);
}

.header-icon-btn .badge-dot {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-danger);
  border: 2px solid var(--color-surface);
}

.sidebar-collapse-btn {
  display: inline-flex;
}

.logo-mark {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--color-primary) 0%, #7c8fff 100%);
  box-shadow: 0 2px 8px rgba(84, 104, 255, 0.35);
}

.logo-text {
  font-size: var(--font-size-base);
  font-weight: 600;
  letter-spacing: -0.03em;
}

/* User profile */
.header-user-toggle {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: 4px 8px 4px 4px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  background: var(--color-surface);
  cursor: pointer;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.header-user-toggle:hover {
  border-color: var(--color-border-strong);
  box-shadow: var(--shadow-sm);
}

.header-avatar {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, #5468ff 0%, #8b5cf6 100%);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  flex-shrink: 0;
}

.header-user-info {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  line-height: 1.2;
  text-align: left;
}

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

.header-user-role {
  font-size: 11px;
  color: var(--color-text-muted);
}

.header-user-menu {
  min-width: 220px;
  padding: var(--space-2);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
}

.header-user-menu-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3);
  margin-bottom: var(--space-1);
}

.header-user-menu a,
.header-user-menu button {
  border-radius: var(--radius-md);
  padding: 10px var(--space-3);
}

/* Site selector refresh */
.header-site-toggle {
  height: 40px;
  padding: 0 var(--space-3);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
}

.header-site-toggle:hover {
  border-color: var(--color-border-strong);
  background: var(--color-gray-50);
}

.header-site-menu {
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
  padding: var(--space-2);
}

/* --------------------------------------------------------------------------
   Sidebar — light nav + active indicator
   -------------------------------------------------------------------------- */
.admin-sidebar {
  width: var(--sidebar-width);
  border-right: 1px solid var(--sidebar-border);
  transition: width var(--transition-slow), transform var(--transition-slow);
}

.sidebar-nav {
  padding: var(--space-4) var(--space-3);
}

.sidebar-section-label {
  padding: var(--space-2) var(--space-3);
  margin-top: var(--space-4);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--sidebar-text-muted);
}

.sidebar-section-label:first-child {
  margin-top: 0;
}

.menu-link {
  position: relative;
  gap: var(--space-3);
  padding: 10px var(--space-3);
  margin: 2px 0;
  border-radius: var(--radius-lg);
  font-weight: 500;
  color: var(--sidebar-text);
}

.menu-link::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%) scaleY(0);
  width: 3px;
  height: 20px;
  border-radius: 0 3px 3px 0;
  background: var(--sidebar-accent);
  transition: transform var(--transition-base);
}

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

.menu-link.active {
  background: var(--sidebar-bg-active);
  color: var(--sidebar-text-active);
  font-weight: 600;
  box-shadow: none;
}

.menu-link.active::before {
  transform: translateY(-50%) scaleY(1);
}

.menu-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  opacity: 1;
  color: var(--sidebar-text-muted);
  transition: color var(--transition-fast);
}

.menu-link:hover .menu-icon,
.menu-link.active .menu-icon {
  color: var(--color-primary);
}

.submenu > .menu-item > .menu-link {
  padding-left: calc(var(--space-3) + 20px + var(--space-3));
  font-weight: 450;
}

.submenu .submenu > .menu-item > .menu-link {
  padding-left: calc(var(--space-3) + 36px + var(--space-3));
}

/* Collapsed sidebar */
body.sidebar-collapsed .admin-sidebar {
  width: var(--sidebar-width-collapsed);
}

body.sidebar-collapsed .admin-content,
body.sidebar-collapsed .admin-footer {
  margin-left: var(--sidebar-width-collapsed);
  max-width: calc(100% - var(--sidebar-width-collapsed));
}

body.sidebar-collapsed .menu-text,
body.sidebar-collapsed .menu-arrow,
body.sidebar-collapsed .sidebar-section-label {
  opacity: 0;
  width: 0;
  overflow: hidden;
  white-space: nowrap;
}

body.sidebar-collapsed .menu-link {
  justify-content: center;
  padding: 10px;
}

body.sidebar-collapsed .menu-link::before {
  display: none;
}

body.sidebar-collapsed .submenu {
  display: none;
}

body.sidebar-collapsed .logo-text {
  display: none;
}

/* --------------------------------------------------------------------------
   Content area
   -------------------------------------------------------------------------- */
.admin-content {
  padding: var(--content-padding);
  max-width: var(--content-max-width);
}

.admin-content > * + * {
  margin-top: var(--content-gap);
}

/* --------------------------------------------------------------------------
   Breadcrumb
   -------------------------------------------------------------------------- */
.breadcrumb {
  gap: var(--space-2);
  font-size: var(--font-size-xs);
  margin-bottom: var(--space-1);
}

.breadcrumb a {
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}

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

.breadcrumb strong {
  color: var(--color-text);
}

/* --------------------------------------------------------------------------
   Page header
   -------------------------------------------------------------------------- */
.page-title {
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.03em;
}

.page-desc {
  color: var(--color-text-muted);
  max-width: 640px;
}

/* --------------------------------------------------------------------------
   Summary / stat cards
   -------------------------------------------------------------------------- */
.summary-cards {
  gap: var(--content-gap);
}

.summary-card {
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base),
    border-color var(--transition-base);
}

.summary-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-border-strong);
}

.summary-card.is-dragging {
  opacity: 0.85;
  transform: scale(1.02);
  box-shadow: var(--shadow-lg);
  cursor: grabbing;
}

.summary-card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: var(--space-3);
}

.summary-card-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-lg);
  background: var(--color-primary-subtle);
  color: var(--color-primary);
}

.summary-drag-handle {
  cursor: grab;
  color: var(--color-text-muted);
  padding: 4px;
  border: none;
  background: transparent;
  border-radius: var(--radius-sm);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.summary-card:hover .summary-drag-handle {
  opacity: 1;
}

.summary-card-body {
  position: relative;
}

/* Dashboard loading placeholder
   역할: 스켈레톤은 실제 로딩 상태에서만 표시하고 완료 후 카드 높이를 차지하지 않는다. */
.summary-card-body > .skeleton-card {
  display: none;
}

.is-skeleton-loading .summary-card-body .skeleton-card {
  display: block;
  position: absolute;
  inset: 0;
  z-index: 2;
  border-radius: var(--radius-xl);
}

.panel-flat:hover {
  box-shadow: none;
}

#theme-toggle-btn .icon-theme-dark[hidden],
#theme-toggle-btn .icon-theme-light[hidden] {
  display: none;
}

.summary-value {
  font-size: 1.75rem;
  font-weight: 600;
  letter-spacing: -0.04em;
  font-variant-numeric: tabular-nums;
}

/* --------------------------------------------------------------------------
   Panels / cards
   -------------------------------------------------------------------------- */
.panel {
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-base);
}

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

.panel {
  border-radius: var(--radius-xl);
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn {
  height: var(--input-height);
  border-radius: var(--radius-lg);
  font-weight: 500;
  letter-spacing: -0.01em;
  transition: background var(--transition-fast), border-color var(--transition-fast),
    color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
}

.btn:active:not(:disabled) {
  transform: scale(0.98);
}

.btn-primary {
  background: var(--color-primary);
  border-color: var(--color-primary);
  box-shadow: 0 1px 2px rgba(84, 104, 255, 0.2);
}

.btn-primary:hover {
  box-shadow: 0 4px 12px rgba(84, 104, 255, 0.3);
}

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

.btn-secondary:hover {
  background: var(--color-gray-50);
  border-color: var(--color-border-strong);
  color: var(--color-text);
}

.btn-outline {
  background: transparent;
  border-color: var(--color-border);
  color: var(--color-text-secondary);
}

.btn-outline:hover {
  background: var(--color-gray-50);
  border-color: var(--color-border-strong);
  color: var(--color-text);
}

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

.btn-ghost:hover {
  background: var(--color-gray-100);
  color: var(--color-text);
}

.btn-xs {
  height: 28px;
  padding: 0 10px;
  font-size: 12px;
  border-radius: var(--radius-md);
}

/* --------------------------------------------------------------------------
   Form controls
   -------------------------------------------------------------------------- */
input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="date"],
input[type="url"],
input[type="search"],
select,
textarea {
  border-radius: var(--radius-lg);
  border-color: var(--color-border);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

input:not([type="checkbox"]):not([type="radio"]):hover,
select:hover,
textarea:hover {
  border-color: var(--color-border-strong);
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--color-primary);
  box-shadow: var(--input-focus-ring);
}

.search-form .form-group label {
  font-size: var(--font-size-xs);
  font-weight: 500;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* --------------------------------------------------------------------------
   Tables — Stripe style
   -------------------------------------------------------------------------- */
.data-table {
  font-size: var(--font-size-sm);
}

.data-table thead th {
  padding: 12px var(--space-4);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  border-bottom: 1px solid var(--color-border);
  background: transparent;
}

.data-table tbody td {
  padding: 14px var(--space-4);
  border-bottom: 1px solid var(--color-border);
}

.data-table tbody tr {
  transition: background var(--transition-fast);
}

.data-table tbody tr:hover {
  background: var(--table-row-hover);
}

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

.data-table a {
  color: var(--color-text);
  font-weight: 500;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.data-table a:hover {
  color: var(--color-primary);
  text-decoration: none;
}

/* --------------------------------------------------------------------------
   Badges
   -------------------------------------------------------------------------- */
.badge {
  border-radius: var(--radius-full);
  font-weight: 500;
  letter-spacing: 0;
}

/* --------------------------------------------------------------------------
   Pagination
   -------------------------------------------------------------------------- */
.pagination {
  gap: var(--space-2);
  padding: var(--space-5) var(--space-6);
}

.page-btn {
  min-width: 36px;
  height: 36px;
  border-radius: var(--radius-lg);
  border-color: transparent;
  background: transparent;
  font-variant-numeric: tabular-nums;
}

.page-btn:hover:not(:disabled) {
  background: var(--color-gray-100);
  border-color: transparent;
}

.page-btn.active {
  background: var(--color-primary-subtle);
  border-color: transparent;
  color: var(--color-primary);
  font-weight: 600;
}

/* --------------------------------------------------------------------------
   Modals
   -------------------------------------------------------------------------- */
.modal-backdrop {
  background: rgba(15, 23, 42, 0.4);
  backdrop-filter: blur(4px);
}

.modal-dialog {
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.modal-header {
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--color-border);
}

.modal-title {
  font-size: var(--font-size-base);
  font-weight: 600;
  letter-spacing: -0.02em;
}

.modal-body {
  padding: var(--space-6);
}

.modal-footer {
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--color-border);
  background: var(--color-gray-50);
}


/* --------------------------------------------------------------------------
   Toast
   -------------------------------------------------------------------------- */
.toast {
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(8px);
}

/* --------------------------------------------------------------------------
   Command palette
   -------------------------------------------------------------------------- */
.command-palette {
  position: fixed;
  inset: 0;
  z-index: calc(var(--z-modal) + 10);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 12vh var(--space-4) var(--space-4);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

.command-palette.is-open {
  opacity: 1;
  visibility: visible;
}

.command-palette-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.5);
  backdrop-filter: blur(6px);
}

.command-palette-dialog {
  position: relative;
  width: 100%;
  max-width: 560px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  transform: translateY(-8px) scale(0.98);
  transition: transform var(--transition-base);
}

.command-palette.is-open .command-palette-dialog {
  transform: translateY(0) scale(1);
}

.command-palette-input-wrap {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--color-border);
}

.command-palette-input {
  flex: 1;
  border: none;
  background: transparent;
  font-size: var(--font-size-md);
  color: var(--color-text);
  outline: none;
}

.command-palette-list {
  max-height: 360px;
  overflow-y: auto;
  padding: var(--space-2);
}

.command-palette-group-label {
  padding: var(--space-2) var(--space-3);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
}

.command-palette-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  width: 100%;
  padding: 10px var(--space-3);
  border: none;
  border-radius: var(--radius-lg);
  background: transparent;
  text-align: left;
  cursor: pointer;
  color: var(--color-text);
  font-size: var(--font-size-sm);
  transition: background var(--transition-fast);
}

.command-palette-item:hover,
.command-palette-item.is-active {
  background: var(--color-gray-100);
}

.command-palette-item-icon {
  color: var(--color-text-muted);
}

.command-palette-item-meta {
  margin-left: auto;
  font-size: 11px;
  color: var(--color-text-muted);
}

.command-palette-footer {
  padding: var(--space-3) var(--space-5);
  border-top: 1px solid var(--color-border);
  font-size: 11px;
  color: var(--color-text-muted);
  display: flex;
  gap: var(--space-4);
}

/* --------------------------------------------------------------------------
   Notification panel
   -------------------------------------------------------------------------- */
.notif-panel {
  position: fixed;
  top: var(--header-height);
  right: 0;
  bottom: 0;
  width: 380px;
  max-width: 100vw;
  z-index: var(--z-overlay);
  background: var(--color-surface);
  border-left: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
  transform: translateX(100%);
  transition: transform var(--transition-slow);
  display: flex;
  flex-direction: column;
}

.notif-panel.is-open {
  transform: translateX(0);
}

.notif-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--color-border);
}

.notif-panel-title {
  font-size: var(--font-size-base);
  font-weight: 600;
}

.notif-panel-body {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-3);
}

.notif-item {
  display: flex;
  gap: var(--space-3);
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  transition: background var(--transition-fast);
  cursor: pointer;
}

.notif-item:hover {
  background: var(--color-gray-50);
}

.notif-item.is-unread {
  background: var(--color-primary-subtle);
}

.notif-item-icon {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-lg);
  background: var(--color-gray-100);
  color: var(--color-primary);
}

.notif-item-title {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text);
}

.notif-item-desc {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-top: 2px;
}

.notif-item-time {
  font-size: 11px;
  color: var(--color-text-muted);
  margin-top: var(--space-1);
}

.notif-overlay {
  position: fixed;
  inset: 0;
  top: var(--header-height);
  z-index: calc(var(--z-overlay) - 1);
  background: rgba(15, 23, 42, 0.2);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

.notif-overlay.is-open {
  opacity: 1;
  visibility: visible;
}

/* --------------------------------------------------------------------------
   Recent activity
   -------------------------------------------------------------------------- */
.activity-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.activity-item {
  display: flex;
  gap: var(--space-3);
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--color-border);
}

.activity-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.activity-dot {
  flex-shrink: 0;
  width: 8px;
  height: 8px;
  margin-top: 6px;
  border-radius: 50%;
  background: var(--color-primary);
}

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

.activity-meta {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-top: 2px;
}

/* --------------------------------------------------------------------------
   Quick actions
   -------------------------------------------------------------------------- */
.quick-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.quick-action-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 8px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  background: var(--color-surface);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  font-weight: 500;
  cursor: pointer;
  transition: border-color var(--transition-fast), background var(--transition-fast),
    color var(--transition-fast), transform var(--transition-fast);
}

.quick-action-btn:hover {
  border-color: var(--color-primary-light);
  background: var(--color-primary-subtle);
  color: var(--color-primary);
  transform: translateY(-1px);
}

/* --------------------------------------------------------------------------
   Skeleton loading
   -------------------------------------------------------------------------- */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--color-gray-100) 0%,
    var(--color-gray-50) 50%,
    var(--color-gray-100) 100%
  );
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.4s ease infinite;
  border-radius: var(--radius-md);
}

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

.skeleton-text {
  height: 14px;
  margin-bottom: var(--space-2);
}

.skeleton-text-lg {
  height: 28px;
  width: 60%;
}

.skeleton-card {
  height: 120px;
  border-radius: var(--radius-xl);
}

.is-skeleton-loading .summary-card-body > *:not(.skeleton) {
  visibility: hidden;
}

/* --------------------------------------------------------------------------
   Empty state
   -------------------------------------------------------------------------- */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-10) var(--space-6);
  text-align: center;
}

.empty-state-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-xl);
  background: var(--color-gray-100);
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}

.empty-state-title {
  font-size: var(--font-size-md);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.empty-state-desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  max-width: 320px;
  margin-bottom: var(--space-5);
}

/* --------------------------------------------------------------------------
   Dashboard grid
   -------------------------------------------------------------------------- */
.dashboard-grid {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: var(--content-gap);
  align-items: start;
}

.dashboard-main > * + * {
  margin-top: var(--content-gap);
}

@media (max-width: 1200px) {
  .dashboard-grid {
    grid-template-columns: 1fr;
  }

  .header-center {
    display: none;
  }
}

@media (max-width: 768px) {
  .header-user-info,
  .header-search-kbd {
    display: none;
  }

  .sidebar-collapse-btn {
    display: none;
  }
}

/* ==========================================================================
   Dark mode — Component refinements
   ========================================================================== */

[data-theme="dark"] body {
  background-color: var(--color-bg);
  color: var(--color-text);
}

[data-theme="dark"] h1,
[data-theme="dark"] h2,
[data-theme="dark"] h3,
[data-theme="dark"] h4,
[data-theme="dark"] h5,
[data-theme="dark"] h6 {
  color: var(--color-text);
}

[data-theme="dark"] a {
  color: var(--color-primary-hover);
}

[data-theme="dark"] a:hover {
  color: #a0abfb;
}

/* Header */
[data-theme="dark"] .header-search-input {
  background: var(--color-surface-raised);
  border-color: var(--color-border-strong);
  color: var(--color-text);
}

[data-theme="dark"] .header-search-input:hover {
  border-color: var(--color-gray-300);
  background: var(--color-surface-hover);
}

[data-theme="dark"] .header-search-input:focus {
  background: var(--color-surface-hover);
  border-color: var(--color-primary);
}

[data-theme="dark"] .header-search-kbd {
  background: var(--color-surface);
  border-color: var(--color-border-strong);
  color: var(--color-text-muted);
}

[data-theme="dark"] .header-icon-btn:hover {
  background: var(--color-surface-raised);
  color: var(--color-text);
}

[data-theme="dark"] .header-icon-btn:active {
  background: var(--color-surface-hover);
}

[data-theme="dark"] .header-user-toggle {
  background: var(--color-surface-raised);
  border-color: var(--color-border-strong);
}

[data-theme="dark"] .header-user-toggle:hover {
  background: var(--color-surface-hover);
  border-color: var(--color-gray-300);
}

[data-theme="dark"] .header-site-toggle {
  background: var(--color-surface-raised);
  border-color: var(--color-border-strong);
}

[data-theme="dark"] .header-site-toggle:hover {
  background: var(--color-surface-hover);
  border-color: var(--color-gray-300);
}

[data-theme="dark"] .header-site-menu,
[data-theme="dark"] .header-user-menu {
  background: var(--color-surface);
  border-color: var(--color-border-strong);
}

[data-theme="dark"] .header-site-item {
  color: var(--color-text);
}

[data-theme="dark"] .header-site-item-key {
  color: var(--color-text-muted);
}

[data-theme="dark"] .header-site-item.is-active {
  background: var(--color-primary-subtle);
  color: var(--color-text);
}

[data-theme="dark"] .header-user-menu a:hover,
[data-theme="dark"] .header-site-item:hover {
  background: var(--color-surface-raised);
}

/* Sidebar */
[data-theme="dark"] .menu-link:hover {
  background: var(--color-surface-raised);
}

[data-theme="dark"] .menu-link.active {
  background: var(--color-primary-subtle);
  color: var(--color-text);
}

[data-theme="dark"] .menu-link.active .menu-icon {
  color: var(--color-primary-hover);
}

/* Cards & panels */
[data-theme="dark"] .panel,
[data-theme="dark"] .summary-card {
  background: var(--color-surface);
  border-color: var(--color-border-strong);
  box-shadow: var(--shadow-sm);
}

[data-theme="dark"] .panel:hover,
[data-theme="dark"] .summary-card:hover {
  border-color: var(--color-gray-300);
  box-shadow: var(--shadow-md);
}

[data-theme="dark"] .summary-card-icon {
  background: var(--color-primary-subtle);
  color: var(--color-primary-hover);
}

[data-theme="dark"] .summary-label {
  color: var(--color-text-secondary);
}

[data-theme="dark"] .summary-value {
  color: var(--color-text);
}

[data-theme="dark"] .summary-change {
  color: var(--color-text-muted);
}

[data-theme="dark"] .summary-change.up {
  color: #7ae8a8;
}

[data-theme="dark"] .summary-change.down {
  color: #f5a0a0;
}

[data-theme="dark"] .page-desc,
[data-theme="dark"] .panel-meta {
  color: var(--color-text-muted);
}

[data-theme="dark"] .panel-meta strong {
  color: var(--color-text-secondary);
}

/* Buttons */
[data-theme="dark"] .btn-primary {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #ffffff;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .btn-primary:hover {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  box-shadow: 0 2px 8px rgba(110, 126, 247, 0.25);
}

[data-theme="dark"] .btn-primary:active {
  background: var(--color-primary-active);
  border-color: var(--color-primary-active);
}

[data-theme="dark"] .btn-secondary {
  background: var(--color-surface-raised);
  border-color: var(--color-border-strong);
  color: var(--color-text-secondary);
}

[data-theme="dark"] .btn-secondary:hover {
  background: var(--color-surface-hover);
  border-color: var(--color-gray-300);
  color: var(--color-text);
}

[data-theme="dark"] .btn-secondary:active {
  background: var(--color-gray-200);
}

[data-theme="dark"] .btn-outline {
  background: transparent;
  border-color: var(--color-border-strong);
  color: var(--color-text-secondary);
}

[data-theme="dark"] .btn-outline:hover {
  background: var(--color-surface-raised);
  border-color: var(--color-gray-300);
  color: var(--color-text);
}

[data-theme="dark"] .btn-outline:active {
  background: var(--color-surface-hover);
}

[data-theme="dark"] .btn-ghost:hover {
  background: var(--color-surface-raised);
  color: var(--color-text);
}

[data-theme="dark"] .btn-danger {
  background: #c94a4a;
  border-color: #c94a4a;
}

[data-theme="dark"] .btn-danger:hover {
  background: #d65c5c;
  border-color: #d65c5c;
}

/* Form controls */
[data-theme="dark"] input[type="text"],
[data-theme="dark"] input[type="password"],
[data-theme="dark"] input[type="email"],
[data-theme="dark"] input[type="tel"],
[data-theme="dark"] input[type="number"],
[data-theme="dark"] input[type="date"],
[data-theme="dark"] input[type="search"],
[data-theme="dark"] input[type="url"],
[data-theme="dark"] textarea {
  background-color: var(--color-surface-raised);
  border-color: var(--color-border-strong);
  color: var(--color-text);
}

[data-theme="dark"] select {
  background-color: var(--color-surface-raised);
  border-color: var(--color-border-strong);
  color: var(--color-text);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23949bab' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 12px;
}

[data-theme="dark"] input:hover,
[data-theme="dark"] textarea:hover {
  border-color: var(--color-gray-300);
  background-color: var(--color-surface-hover);
}

[data-theme="dark"] select:hover {
  border-color: var(--color-gray-300);
  background-color: var(--color-surface-hover);
}

[data-theme="dark"] input:focus,
[data-theme="dark"] textarea:focus {
  background-color: var(--color-surface-hover);
  border-color: var(--color-primary);
}

[data-theme="dark"] select:focus {
  background-color: var(--color-surface-hover);
  border-color: var(--color-primary);
}

[data-theme="dark"] input::placeholder,
[data-theme="dark"] textarea::placeholder {
  color: var(--color-text-muted);
}

[data-theme="dark"] input:disabled,
[data-theme="dark"] textarea:disabled,
[data-theme="dark"] input[readonly] {
  background-color: var(--color-gray-50);
  color: var(--color-text-muted);
  border-color: var(--color-border);
}

[data-theme="dark"] select:disabled {
  background-color: var(--color-gray-50);
  color: var(--color-text-muted);
  border-color: var(--color-border);
}

[data-theme="dark"] .form-group label {
  color: var(--color-text-secondary);
}

[data-theme="dark"] .search-form .form-group label {
  color: var(--color-text-muted);
}

/* Tables */
[data-theme="dark"] .data-table {
  background: var(--color-surface);
}

[data-theme="dark"] .data-table thead th {
  color: var(--color-text-secondary);
  background: var(--table-header-bg);
  border-bottom-color: var(--color-border-strong);
}

[data-theme="dark"] .data-table tbody td {
  color: var(--color-text);
  border-bottom-color: var(--color-border);
}

[data-theme="dark"] .data-table tbody tr:hover {
  background: var(--table-row-hover);
}

[data-theme="dark"] .data-table a {
  color: var(--color-text);
}

[data-theme="dark"] .data-table a:hover {
  color: var(--color-primary-hover);
}

[data-theme="dark"] .col-no,
[data-theme="dark"] .col-date {
  color: var(--color-text-muted);
}

[data-theme="dark"] .col-desc {
  color: var(--color-text-secondary);
}

/* Badges */
[data-theme="dark"] .badge-success {
  background: var(--color-success-bg);
  color: #7ae8a8;
  border-color: var(--color-success-border);
}

[data-theme="dark"] .badge-warning {
  background: var(--color-warning-bg);
  color: #f5c97a;
  border-color: var(--color-warning-border);
}

[data-theme="dark"] .badge-danger {
  background: var(--color-danger-bg);
  color: #f5a0a0;
  border-color: var(--color-danger-border);
}

[data-theme="dark"] .badge-info {
  background: var(--color-info-bg);
  color: #8ecdf0;
  border-color: var(--color-info-border);
}

[data-theme="dark"] .badge-muted {
  background: var(--color-gray-100);
  color: var(--color-text-muted);
  border-color: var(--color-border);
}

/* Pagination */
[data-theme="dark"] .page-btn {
  color: var(--color-text-secondary);
  border-color: transparent;
}

[data-theme="dark"] .page-btn:hover:not(:disabled) {
  background: var(--color-surface-raised);
  color: var(--color-text);
}

[data-theme="dark"] .page-btn.active {
  background: var(--color-primary-subtle);
  color: var(--color-primary-hover);
}

/* Modals */
[data-theme="dark"] .modal-backdrop {
  background: rgba(10, 11, 14, 0.72);
}

[data-theme="dark"] .modal-dialog {
  background: var(--color-surface);
  border-color: var(--color-border-strong);
}

[data-theme="dark"] .modal-header {
  border-bottom-color: var(--color-border);
}

[data-theme="dark"] .modal-footer {
  background: var(--color-surface-raised);
  border-top-color: var(--color-border);
}

[data-theme="dark"] .modal-close {
  color: var(--color-text-muted);
}

[data-theme="dark"] .modal-close:hover {
  color: var(--color-text);
  background: var(--color-surface-hover);
}

/* Command palette & notifications */
[data-theme="dark"] .command-palette-backdrop {
  background: rgba(10, 11, 14, 0.75);
}

[data-theme="dark"] .command-palette-dialog {
  background: var(--color-surface);
  border-color: var(--color-border-strong);
}

[data-theme="dark"] .command-palette-item:hover,
[data-theme="dark"] .command-palette-item.is-active {
  background: var(--color-surface-raised);
}

[data-theme="dark"] .notif-panel {
  background: var(--color-surface);
  border-left-color: var(--color-border-strong);
}

[data-theme="dark"] .notif-overlay {
  background: rgba(10, 11, 14, 0.55);
}

[data-theme="dark"] .notif-item:hover {
  background: var(--color-surface-raised);
}

[data-theme="dark"] .notif-item.is-unread {
  background: var(--color-primary-subtle);
}

[data-theme="dark"] .notif-item-icon {
  background: var(--color-surface-raised);
  color: var(--color-primary-hover);
}

/* Quick actions & activity */
[data-theme="dark"] .quick-action-btn {
  background: var(--color-surface-raised);
  border-color: var(--color-border-strong);
  color: var(--color-text-secondary);
}

[data-theme="dark"] .quick-action-btn:hover {
  background: var(--color-primary-subtle);
  border-color: var(--color-primary-light);
  color: var(--color-primary-hover);
}

[data-theme="dark"] .activity-text {
  color: var(--color-text);
}

[data-theme="dark"] .activity-meta {
  color: var(--color-text-muted);
}

/* Breadcrumb */
[data-theme="dark"] .breadcrumb a {
  color: var(--color-text-muted);
}

[data-theme="dark"] .breadcrumb a:hover {
  color: var(--color-text-secondary);
}

[data-theme="dark"] .breadcrumb strong {
  color: var(--color-text);
}

/* Toast */
[data-theme="dark"] .toast {
  background: var(--color-surface);
  border-color: var(--color-border-strong);
}

/* Code & tags */
[data-theme="dark"] .code-tag {
  background: var(--color-surface-raised);
  border-color: var(--color-border-strong);
  color: #e8a0c8;
}

[data-theme="dark"] code {
  color: #e8a0c8;
}

/* Group list & info bar */
[data-theme="dark"] .group-item:hover {
  background: var(--color-surface-raised);
  border-color: var(--color-border-strong);
}

[data-theme="dark"] .group-item.active {
  background: var(--color-primary-subtle);
  border-color: var(--color-primary-light);
}

[data-theme="dark"] .group-name {
  color: var(--color-text);
}

[data-theme="dark"] .info-bar {
  background: var(--color-primary-subtle);
  border-color: var(--color-primary-light);
}

[data-theme="dark"] .file-dropzone {
  background: var(--color-surface-raised);
  border-color: var(--color-border-strong);
  color: var(--color-text-secondary);
}

[data-theme="dark"] .file-dropzone:hover {
  border-color: var(--color-primary-light);
  background: var(--color-primary-subtle);
}

/* Tabs */
[data-theme="dark"] .tab-btn {
  color: var(--color-text-muted);
}

[data-theme="dark"] .tab-btn:hover {
  color: var(--color-text-secondary);
  background: var(--color-surface-raised);
}

[data-theme="dark"] .tab-btn.active {
  color: var(--color-text);
  border-bottom-color: var(--color-primary);
}

/* Skeleton */
[data-theme="dark"] .skeleton {
  background: linear-gradient(
    90deg,
    var(--color-gray-50) 0%,
    var(--color-gray-100) 50%,
    var(--color-gray-50) 100%
  );
  background-size: 200% 100%;
}

/* Footer */
[data-theme="dark"] .admin-footer {
  background: var(--color-surface);
  border-top-color: var(--color-border);
}

[data-theme="dark"] .admin-footer p {
  color: var(--color-text-muted);
}

/* Detail view */
[data-theme="dark"] .detail-meta,
[data-theme="dark"] .detail-label {
  color: var(--color-text-muted);
}

[data-theme="dark"] .detail-body {
  color: var(--color-text);
}

[data-theme="dark"] .detail-title {
  color: var(--color-text);
}

/* Auth pages */
[data-theme="dark"] .auth-card {
  background: var(--color-surface);
  border-color: var(--color-border-strong);
  box-shadow: var(--shadow-lg);
}

[data-theme="dark"] .auth-layout {
  background: var(--color-bg);
}

/* Sidebar overlay mobile */
[data-theme="dark"] .sidebar-overlay {
  background: rgba(10, 11, 14, 0.65);
}