/* ==========================================================================
   AdHub 광고 관리 대시보드 — 디자인 토큰 & 프리미티브
   Lean-AX Intranet Design System 사양을 정본으로 삼아 구현한 정적 목업.
   ========================================================================== */

/* ---------- 0. 토큰 (2층: 실제 색은 :root / .dark 에만) ---------- */
:root {
  --background: oklch(1 0 0);
  --foreground: oklch(0.226 0 0);
  --card: oklch(1 0 0);
  --card-foreground: oklch(0.226 0 0);
  --popover: oklch(1 0 0);
  --popover-foreground: oklch(0.226 0 0);
  --primary: oklch(0.205 0 0);
  --primary-foreground: oklch(0.985 0 0);
  --secondary: oklch(0.982 0 0);
  --secondary-foreground: oklch(0.226 0 0);
  --muted: oklch(0.982 0 0);
  --muted-foreground: oklch(0.542 0 0);
  --accent: oklch(0.952 0.019 282.8);
  --accent-foreground: oklch(0.226 0 0);
  --destructive: oklch(0.667 0.220 25.5);
  --success: oklch(0.72 0.16 152);
  --warning: oklch(0.795 0.15 85);
  --border: oklch(0.940 0 0);
  --input: oklch(0.940 0 0);
  --ring: oklch(0.738 0.127 282.8);
  --chart-1: oklch(0.738 0.127 282.8);
  --chart-2: oklch(0.797 0.103 257.2);
  --chart-3: oklch(0.824 0.060 258.7);
  --chart-4: oklch(0.860 0.077 183.5);
  --chart-5: oklch(0.805 0.084 301.9);
  --sidebar: oklch(0.982 0 0);
  --sidebar-foreground: oklch(0.226 0 0);
  --sidebar-primary: oklch(0.205 0 0);
  --sidebar-primary-foreground: oklch(0.985 0 0);
  --sidebar-accent: oklch(0.952 0.019 282.8);
  --sidebar-accent-foreground: oklch(0.226 0 0);
  --sidebar-border: oklch(0.940 0 0);
  --sidebar-ring: oklch(0.738 0.127 282.8);

  --radius: 0.625rem;
  --radius-sm: calc(var(--radius) * 0.6);
  --radius-md: calc(var(--radius) * 0.8);
  --radius-lg: var(--radius);
  --radius-xl: calc(var(--radius) * 1.4);
  --radius-2xl: calc(var(--radius) * 1.8);
  --radius-3xl: calc(var(--radius) * 2.2);
  --radius-4xl: calc(var(--radius) * 2.6);
  --radius-card: min(var(--radius-4xl), 24px);

  --ring-card: color-mix(in oklab, var(--foreground) 5%, transparent);
  --sidebar-width: 15rem;
  --sidebar-width-mobile: 18rem;
  --header-height: 3rem;
}

.dark {
  --background: oklch(0.226 0 0);
  --foreground: oklch(0.985 0 0);
  --card: oklch(0.285 0 0);
  --card-foreground: oklch(0.985 0 0);
  --popover: oklch(0.285 0 0);
  --popover-foreground: oklch(0.985 0 0);
  --primary: oklch(0.738 0.127 282.8);
  --primary-foreground: oklch(0.226 0 0);
  --secondary: oklch(0.321 0 0);
  --secondary-foreground: oklch(0.985 0 0);
  --muted: oklch(0.305 0 0);
  --muted-foreground: oklch(0.715 0 0);
  --accent: oklch(0.321 0 0);
  --accent-foreground: oklch(0.985 0 0);
  --destructive: oklch(0.667 0.220 25.5);
  --success: oklch(0.72 0.16 152);
  --warning: oklch(0.795 0.15 85);
  --border: oklch(1 0 0 / 10%);
  --input: oklch(1 0 0 / 15%);
  --ring: oklch(0.738 0.127 282.8);
  --sidebar: oklch(0.226 0 0);
  --sidebar-foreground: oklch(0.985 0 0);
  --sidebar-primary: oklch(0.738 0.127 282.8);
  --sidebar-primary-foreground: oklch(0.226 0 0);
  --sidebar-accent: oklch(0.321 0 0);
  --sidebar-accent-foreground: oklch(0.985 0 0);
  --sidebar-border: oklch(1 0 0 / 10%);
  --sidebar-ring: oklch(0.738 0.127 282.8);

  --ring-card: color-mix(in oklab, var(--foreground) 10%, transparent);
  color-scheme: dark;
}

/* ---------- 1. 리셋 & 베이스 ---------- */
* {
  box-sizing: border-box;
  border-color: var(--border);
}

html {
  color-scheme: light;
}
.dark {
  color-scheme: dark;
}

body {
  margin: 0;
  background: var(--background);
  color: var(--foreground);
  font-family: -apple-system, "Apple SD Gothic Neo", "Segoe UI", "Malgun Gothic",
    ui-sans-serif, system-ui, sans-serif;
  font-size: 0.875rem;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  transition: background-color 0.15s ease, color 0.15s ease;
}

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

a {
  color: inherit;
}

svg {
  display: block;
}

::selection {
  background: color-mix(in oklab, var(--primary) 22%, transparent);
}

/* slim scrollbar (globals.css:731-742) */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}
*::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
*::-webkit-scrollbar-track {
  background: transparent;
}
*::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 9999px;
}
*::-webkit-scrollbar-thumb:hover {
  background: var(--muted-foreground);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

:focus-visible {
  outline: none;
}

/* ==========================================================================
   2. 앱 셸 — 사이드바(15rem) · 헤더(3rem) · 콘텐츠
   ========================================================================== */

.app-shell {
  display: flex;
  min-height: 100svh;
  width: 100%;
  background: var(--sidebar);
}

/* -- sidebar -- */
.sidebar-gap {
  position: relative;
  width: var(--sidebar-width);
  flex-shrink: 0;
  background: transparent;
  transition: width 0.2s ease-linear;
}

.sidebar {
  position: fixed;
  inset-block: 0;
  left: 0;
  z-index: 30;
  width: var(--sidebar-width);
  padding: 0.5rem;
  transition: left 0.2s ease-linear;
  display: flex;
}

.sidebar-inner {
  display: flex;
  flex-direction: column;
  width: 100%;
  height: 100%;
  background: var(--sidebar);
  color: var(--sidebar-foreground);
  border-radius: var(--radius-2xl);
}

.app-shell.sidebar-collapsed .sidebar-gap {
  width: 0;
}
.app-shell.sidebar-collapsed .sidebar {
  left: calc(var(--sidebar-width) * -1);
}

.sidebar-header {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 0.5rem;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.375rem;
  border-radius: var(--radius-xl);
  text-decoration: none;
  color: inherit;
}

.sidebar-brand-mark {
  width: 1.5rem;
  height: 1.5rem;
  flex-shrink: 0;
  color: var(--primary);
}

.sidebar-brand-name {
  font-size: 1rem;
  font-weight: 600;
}

.sidebar-content {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 0 0.25rem;
}

.sidebar-group {
  padding: 0.5rem;
}

.sidebar-group-label {
  display: flex;
  align-items: center;
  height: 2rem;
  padding: 0 0.75rem;
  font-size: 0.75rem;
  font-weight: 500;
  color: color-mix(in oklab, var(--sidebar-foreground) 70%, transparent);
}

.sidebar-menu {
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.sidebar-menu-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  width: 100%;
  height: 2rem;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-xl);
  background: transparent;
  border: none;
  cursor: pointer;
  font-size: 0.875rem;
  text-align: left;
  color: var(--sidebar-foreground);
  text-decoration: none;
}

.sidebar-menu-btn svg {
  width: 1rem;
  height: 1rem;
  flex-shrink: 0;
}

.sidebar-menu-btn:hover {
  background: var(--sidebar-accent);
  color: var(--sidebar-accent-foreground);
}

.sidebar-menu-btn.active {
  background: var(--sidebar-accent);
  color: var(--sidebar-accent-foreground);
  font-weight: 500;
}

.sidebar-menu-btn:focus-visible {
  box-shadow: 0 0 0 3px var(--sidebar-ring);
}

.sidebar-footer {
  padding: 0.5rem;
}

.sidebar-user {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  width: 100%;
  height: 3rem;
  padding: 0 0.5rem;
  border-radius: var(--radius-xl);
  background: transparent;
  border: none;
  cursor: pointer;
  text-align: left;
}

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

.sidebar-user-text {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.sidebar-user-name {
  font-size: 0.875rem;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-user-email {
  font-size: 0.75rem;
  color: var(--muted-foreground);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* -- overlay for mobile sidebar -- */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 25;
  background: rgb(0 0 0 / 0.3);
}

.app-shell.sidebar-open-mobile .sidebar-overlay {
  display: block;
}

/* -- main / inset -- */
.main-wrap {
  position: relative;
  display: flex;
  flex: 1;
  width: 100%;
  min-width: 0;
  flex-direction: column;
  background: var(--background);
}

@media (min-width: 768px) {
  .main-wrap {
    margin: 0.5rem 0.5rem 0.5rem 0;
    border-radius: var(--radius-2xl);
    box-shadow: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  }
  .app-shell.sidebar-collapsed .main-wrap {
    margin-left: 0.5rem;
  }
}

/* -- header -- */
.site-header {
  display: flex;
  height: var(--header-height);
  flex-shrink: 0;
  align-items: center;
  border-bottom: 1px solid var(--border);
  border-top-left-radius: inherit;
  border-top-right-radius: inherit;
}

.site-header-inner {
  display: flex;
  height: 100%;
  width: 100%;
  align-items: center;
  gap: 0.25rem;
  padding: 0 1rem;
}

@media (min-width: 1024px) {
  .site-header-inner {
    gap: 0.5rem;
    padding: 0 1.5rem;
  }
}

.sidebar-trigger {
  margin-left: -0.25rem;
}

.header-separator {
  width: 1px;
  height: 1rem;
  background: var(--border);
  margin: 0 0.5rem;
  align-self: center;
  flex-shrink: 0;
}

.page-title {
  font-size: 1rem;
  font-weight: 500;
  line-height: 1;
  margin: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.header-actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

/* -- content -- */
.content-viewport {
  container-type: inline-size;
  container-name: main;
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 0.5rem;
}

#page-content {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 1rem;
}

@media (min-width: 768px) {
  #page-content {
    gap: 1.5rem;
    padding: 1.5rem 1rem;
  }
}
@media (min-width: 1024px) {
  #page-content {
    padding: 1.5rem;
  }
}

/* ==========================================================================
   3. 프리미티브
   ========================================================================== */

/* -- Button -- */
.btn {
  position: relative;
  display: inline-flex;
  flex-shrink: 0;
  align-items: center;
  justify-content: center;
  gap: 0.375rem;
  height: 2rem;
  padding: 0 0.75rem;
  border-radius: var(--radius-2xl);
  border: 1px solid transparent;
  background-clip: padding-box;
  font-size: 0.875rem;
  font-weight: 500;
  white-space: nowrap;
  cursor: pointer;
  transition: all 0.15s ease;
  outline: none;
  user-select: none;
}
.btn svg {
  width: 1rem;
  height: 1rem;
  flex-shrink: 0;
  pointer-events: none;
}
.btn:active:not([aria-haspopup]) {
  transform: translateY(1px);
}
.btn:disabled {
  pointer-events: none;
  opacity: 0.5;
}
.btn:focus-visible {
  border-color: var(--ring);
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--ring) 30%, transparent);
}

.btn-default {
  background: var(--primary);
  color: var(--primary-foreground);
}
.btn-default:hover {
  background: color-mix(in oklab, var(--primary) 80%, var(--background));
}

.btn-outline {
  border-color: var(--border);
  background: var(--background);
  color: var(--foreground);
}
.btn-outline:hover {
  background: var(--muted);
}

.btn-secondary {
  background: var(--secondary);
  color: var(--secondary-foreground);
}
.btn-secondary:hover {
  background: color-mix(in oklch, var(--secondary), var(--foreground) 5%);
}

.btn-ghost {
  background: transparent;
  color: var(--foreground);
}
.btn-ghost:hover {
  background: var(--muted);
}

.btn-destructive {
  background: color-mix(in oklab, var(--destructive) 10%, transparent);
  color: var(--destructive);
}
.btn-destructive:hover {
  background: color-mix(in oklab, var(--destructive) 20%, transparent);
}

.btn-sm {
  height: 1.75rem;
  padding: 0 0.75rem;
  gap: 0.25rem;
}
.btn-lg {
  height: 2.25rem;
  padding: 0 1rem;
}
.btn-icon {
  height: 2rem;
  width: 2rem;
  padding: 0;
}
.btn-icon-sm {
  height: 1.75rem;
  width: 1.75rem;
  padding: 0;
}

/* -- Input -- */
.input {
  height: 2rem;
  width: 100%;
  min-width: 0;
  border-radius: var(--radius-2xl);
  border: 1px solid transparent;
  background: color-mix(in oklab, var(--input) 50%, transparent);
  padding: 0.25rem 0.625rem;
  font-size: 0.875rem;
  outline: none;
  transition: box-shadow 0.2s, border-color 0.2s;
}
.input::placeholder {
  color: var(--muted-foreground);
}
.input:focus-visible {
  border-color: var(--ring);
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--ring) 30%, transparent);
}

/* -- Select (native) -- */
.select {
  height: 2rem;
  border-radius: var(--radius-2xl);
  border: 1px solid transparent;
  background: color-mix(in oklab, var(--input) 50%, transparent);
  padding: 0 1.75rem 0 0.75rem;
  font-size: 0.875rem;
  outline: none;
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23888' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.5rem center;
}
.select:focus-visible {
  border-color: var(--ring);
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--ring) 30%, transparent);
}

/* -- Badge -- */
.badge {
  display: inline-flex;
  height: 1.25rem;
  width: fit-content;
  flex-shrink: 0;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
  border-radius: var(--radius-2xl);
  border: 1px solid transparent;
  padding: 0.125rem 0.5rem;
  font-size: 0.75rem;
  font-weight: 500;
  white-space: nowrap;
}
.badge svg {
  width: 0.75rem;
  height: 0.75rem;
}
.badge-default {
  background: var(--primary);
  color: var(--primary-foreground);
}
.badge-secondary {
  background: var(--secondary);
  color: var(--secondary-foreground);
}
.badge-outline {
  border-color: var(--border);
  color: var(--foreground);
  background: transparent;
}
.badge-destructive {
  background: color-mix(in oklab, var(--destructive) 10%, transparent);
  color: var(--destructive);
}
.badge-success {
  background: color-mix(in oklab, var(--success) 16%, transparent);
  color: color-mix(in oklab, var(--success) 65%, var(--foreground));
}
.badge-warning {
  background: color-mix(in oklab, var(--warning) 18%, transparent);
  color: color-mix(in oklab, var(--warning) 55%, var(--foreground));
}

/* -- Card -- */
.card {
  --card-spacing: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: var(--card-spacing);
  overflow: hidden;
  border-radius: var(--radius-card);
  background: var(--card);
  color: var(--card-foreground);
  padding: var(--card-spacing) 0;
  font-size: 0.875rem;
  box-shadow: 0 0 0 1px var(--ring-card), 0 1px 2px 0 rgb(0 0 0 / 0.04);
}
.card.shadow-xs {
  box-shadow: 0 0 0 1px var(--ring-card), 0 1px 2px 0 rgb(0 0 0 / 0.05);
}
.card.py-0 {
  padding-top: 0;
  padding-bottom: 0;
}

.card-header {
  display: grid;
  gap: 0.375rem;
  padding: 0 var(--card-spacing);
}
.card-header-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.5rem;
}
.card-title {
  font-size: 1rem;
  font-weight: 500;
  margin: 0;
}
.card-title.sm {
  font-size: 0.875rem;
}
.card-description {
  font-size: 0.875rem;
  color: var(--muted-foreground);
  margin: 0;
}
.card-content {
  padding: 0 var(--card-spacing);
}
.card-content.p-0 {
  padding: 0;
}
.card-footer {
  display: flex;
  align-items: center;
  padding: 0 var(--card-spacing);
}

/* -- Table -- */
.table-wrap {
  position: relative;
  width: 100%;
  overflow-x: auto;
}
.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
  caption-side: bottom;
}
.table thead tr {
  border-bottom: 1px solid var(--border);
}
.table tbody tr:last-child {
  border: 0;
}
.table tbody tr {
  border-bottom: 1px solid var(--border);
  transition: background-color 0.15s;
}
.table tbody tr:hover {
  background: color-mix(in oklab, var(--muted) 50%, transparent);
}
.table tbody tr.selected {
  background: var(--muted);
}
.table th {
  height: 2.5rem;
  padding: 0 1rem;
  text-align: left;
  vertical-align: middle;
  font-weight: 500;
  color: var(--foreground);
  white-space: nowrap;
}
.table td {
  padding: 0.5rem 1rem;
  vertical-align: middle;
}
.table th.center,
.table td.center {
  text-align: center;
}
.table th.right,
.table td.right {
  text-align: right;
}
.table th.checkbox-col,
.table td.checkbox-col {
  width: 2.5rem;
  padding-right: 0;
}

/* -- Checkbox -- */
.checkbox {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1rem;
  height: 1rem;
  flex-shrink: 0;
  border-radius: 5px;
  border: 1px solid transparent;
  background: color-mix(in oklab, var(--input) 90%, transparent);
  cursor: pointer;
  appearance: none;
  margin: 0;
  outline: none;
}
.checkbox::after {
  content: "";
  position: absolute;
  inset: -8px -12px;
}
.checkbox:checked {
  background: var(--primary);
  border-color: var(--primary);
}
.checkbox:checked::before {
  content: "";
  position: absolute;
  inset: 0;
  background-color: var(--primary-foreground);
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'%3E%3C/polyline%3E%3C/svg%3E") center / 65% no-repeat;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'%3E%3C/polyline%3E%3C/svg%3E") center / 65% no-repeat;
}
.checkbox:focus-visible {
  border-color: var(--ring);
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--ring) 30%, transparent);
}
.checkbox:indeterminate {
  background: var(--primary);
  border-color: var(--primary);
}
.checkbox:indeterminate::before {
  content: "";
  position: absolute;
  left: 3px;
  right: 3px;
  top: 6px;
  height: 2px;
  background: var(--primary-foreground);
  border-radius: 1px;
}

/* -- Tabs -- */
.tabs-list {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  gap: 0.25rem;
  height: 2.25rem;
  border-radius: var(--radius-2xl);
  padding: 0.25rem;
  background: color-mix(in oklab, var(--foreground) 6%, transparent);
}
.dark .tabs-list {
  background: color-mix(in oklab, var(--foreground) 10%, transparent);
}
.tabs-trigger {
  position: relative;
  display: inline-flex;
  height: calc(100% - 1px);
  flex: 1;
  align-items: center;
  justify-content: center;
  gap: 0.375rem;
  border-radius: var(--radius-2xl);
  border: 1px solid transparent;
  padding: 0.25rem 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  white-space: nowrap;
  color: color-mix(in oklab, var(--foreground) 60%, transparent);
  background: transparent;
  cursor: pointer;
  transition: all 0.15s;
}
.tabs-trigger:hover {
  color: var(--foreground);
}
.tabs-trigger[aria-selected="true"] {
  background: var(--background);
  color: var(--foreground);
  box-shadow: 0 1px 2px 0 rgb(0 0 0 / 0.05), 0 0 0 1px rgb(0 0 0 / 0.05);
}
.dark .tabs-trigger[aria-selected="true"] {
  background: color-mix(in oklab, var(--input) 40%, transparent);
  box-shadow: none;
  border-color: var(--input);
}

/* -- Avatar -- */
.avatar {
  position: relative;
  display: inline-flex;
  flex-shrink: 0;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: 9999px;
  background: var(--muted);
  color: var(--muted-foreground);
  font-size: 0.75rem;
  font-weight: 500;
  overflow: hidden;
}
.avatar::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 9999px;
  border: 1px solid var(--border);
  mix-blend-mode: darken;
}
.dark .avatar::after {
  mix-blend-mode: lighten;
}
.avatar.sm {
  width: 1.75rem;
  height: 1.75rem;
  font-size: 0.7rem;
}

/* -- Separator -- */
.separator {
  height: 1px;
  width: 100%;
  background: var(--border);
  border: none;
  margin: 0;
}

/* -- Progress -- */
.progress {
  position: relative;
  height: 0.5rem;
  width: 100%;
  overflow: hidden;
  border-radius: var(--radius-2xl);
  background: var(--muted);
}
.progress-indicator {
  height: 100%;
  background: var(--primary);
  border-radius: inherit;
  transition: width 0.3s ease;
}
.progress-indicator.warn {
  background: var(--warning);
}
.progress-indicator.danger {
  background: var(--destructive);
}

/* -- Toast (sonner-style) -- */
.toast-region {
  position: fixed;
  bottom: 1.25rem;
  right: 1.25rem;
  z-index: 60;
  display: flex;
  flex-direction: column-reverse;
  gap: 0.5rem;
  width: min(24rem, calc(100vw - 2.5rem));
}
.toast {
  display: flex;
  align-items: flex-start;
  gap: 0.625rem;
  border-radius: var(--radius-xl);
  background: var(--popover);
  color: var(--popover-foreground);
  padding: 0.75rem 1rem;
  box-shadow: 0 0 0 1px var(--ring-card), 0 10px 15px -3px rgb(0 0 0 / 0.12);
  font-size: 0.8125rem;
  cursor: pointer;
  animation: toast-in 0.18s ease;
}
.toast.leaving {
  animation: toast-out 0.15s ease forwards;
}
@keyframes toast-in {
  from {
    opacity: 0;
    transform: translateY(6px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}
@keyframes toast-out {
  to {
    opacity: 0;
    transform: translateY(-4px) scale(0.98);
  }
}
.toast-icon {
  flex-shrink: 0;
  width: 1rem;
  height: 1rem;
  margin-top: 0.0625rem;
}
.toast.success .toast-icon {
  color: var(--success);
}
.toast.warning .toast-icon {
  color: var(--warning);
}
.toast.error .toast-icon {
  color: var(--destructive);
}
.toast.info .toast-icon {
  color: var(--chart-2);
}
.toast-body {
  flex: 1;
  min-width: 0;
}
.toast-title {
  font-weight: 500;
  margin: 0;
}
.toast-desc {
  color: var(--muted-foreground);
  margin: 0.125rem 0 0;
}

/* -- Tooltip (title-based custom) -- */
[data-tooltip] {
  position: relative;
}

/* ==========================================================================
   4. 페이지 레이아웃
   ========================================================================== */

.page-header-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
}
.page-description {
  margin: 0.25rem 0 0;
  font-size: 0.875rem;
  color: var(--muted-foreground);
}
.page-actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

/* -- KPI grid -- */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(1, minmax(0, 1fr));
  gap: 1rem;
}
@container main (min-width: 36rem) {
  .kpi-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@container main (min-width: 48rem) {
  .kpi-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}
@container main (min-width: 64rem) {
  .kpi-grid {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
}

.kpi-card-value {
  font-size: 1.5rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  margin: 0;
}
@container card (min-width: 250px) {
  .kpi-card-value {
    font-size: 1.875rem;
  }
}
.kpi-card-value.danger {
  color: var(--destructive);
}
.kpi-card-unit {
  font-size: 1.125rem;
  color: var(--muted-foreground);
  font-weight: 500;
}
.kpi-card-foot {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
  font-size: 0.8125rem;
}
.kpi-card-foot-title {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  font-weight: 500;
}
.kpi-card-foot-sub {
  color: var(--muted-foreground);
}
.kpi-card {
  container-type: inline-size;
  container-name: card;
}
.trend-up {
  color: color-mix(in oklab, var(--success) 60%, var(--foreground));
}
.trend-down {
  color: var(--destructive);
}

/* -- two column asymmetric section -- */
.split-section {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}
@media (min-width: 1024px) {
  .split-section {
    grid-template-columns: 1.4fr 1fr;
  }
}

/* -- chart card -- */
.chart-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
}
.chart-legend {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  padding-top: 0.5rem;
}
.chart-legend-item {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.75rem;
  color: var(--muted-foreground);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.125rem 0.25rem;
  border-radius: var(--radius-md);
}
.chart-legend-item:hover {
  background: var(--muted);
}
.chart-legend-item.muted {
  opacity: 0.4;
}
.chart-legend-dot {
  width: 0.625rem;
  height: 0.625rem;
  border-radius: 2px;
  flex-shrink: 0;
}
.chart-svg-wrap {
  position: relative;
  width: 100%;
}
.chart-tooltip {
  position: absolute;
  pointer-events: none;
  z-index: 5;
  display: none;
  min-width: 8rem;
  border-radius: var(--radius-xl);
  background: var(--popover);
  color: var(--popover-foreground);
  padding: 0.5rem 0.625rem;
  font-size: 0.75rem;
  box-shadow: 0 10px 15px -3px rgb(0 0 0 / 0.15);
  box-shadow: 0 0 0 1px var(--ring-card), 0 10px 15px -3px rgb(0 0 0 / 0.15);
}
.chart-tooltip.visible {
  display: block;
}
.chart-tooltip-date {
  font-weight: 500;
  margin: 0 0 0.25rem;
}
.chart-tooltip-row {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  justify-content: space-between;
}
.chart-tooltip-row + .chart-tooltip-row {
  margin-top: 0.125rem;
}
.chart-tooltip-label {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  color: var(--muted-foreground);
}
.chart-tooltip-dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 1px;
}
.chart-tooltip-value {
  font-variant-numeric: tabular-nums;
  font-weight: 500;
}

/* -- toolbar (table filters) -- */
.table-toolbar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  justify-content: space-between;
}
.table-toolbar-filters {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  flex: 1;
  min-width: 0;
}
.search-field {
  position: relative;
  flex: 1;
  min-width: 12rem;
  max-width: 20rem;
}
.search-field svg {
  position: absolute;
  top: 50%;
  left: 0.625rem;
  width: 0.875rem;
  height: 0.875rem;
  transform: translateY(-50%);
  color: var(--muted-foreground);
  pointer-events: none;
}
.search-field .input {
  height: 2.25rem;
  padding-left: 2rem;
}
.search-clear {
  position: absolute;
  top: 50%;
  right: 0.5rem;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--muted-foreground);
  cursor: pointer;
  display: none;
  padding: 0.125rem;
}
.search-field.has-value .search-clear {
  display: block;
}
.search-clear:hover {
  color: var(--foreground);
}
.search-clear svg {
  position: static;
  transform: none;
}

/* -- bulk action bar -- */
.bulk-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
  border-radius: var(--radius-xl);
  background: var(--accent);
  color: var(--accent-foreground);
  padding: 0.5rem 0.75rem;
  font-size: 0.8125rem;
}
.bulk-bar-actions {
  display: flex;
  gap: 0.5rem;
}

/* -- campaign name cell -- */
.campaign-name-cell {
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
}
.campaign-name {
  font-weight: 500;
}
.campaign-sub {
  font-size: 0.75rem;
  color: var(--muted-foreground);
}
.channel-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.8125rem;
}
.channel-dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 9999px;
  flex-shrink: 0;
}

/* -- activity feed -- */
.activity-list {
  display: flex;
  flex-direction: column;
}
.activity-row {
  display: flex;
  gap: 0.625rem;
  padding: 0.625rem 0;
  border-bottom: 1px solid var(--border);
}
.activity-row:first-child {
  padding-top: 0;
}
.activity-row:last-child {
  border-bottom: none;
  padding-bottom: 0;
}
.activity-icon {
  width: 1.75rem;
  height: 1.75rem;
  flex-shrink: 0;
  border-radius: 9999px;
  background: var(--muted);
  color: var(--muted-foreground);
  display: flex;
  align-items: center;
  justify-content: center;
}
.activity-icon svg {
  width: 0.875rem;
  height: 0.875rem;
}
.activity-body {
  flex: 1;
  min-width: 0;
}
.activity-text {
  font-size: 0.8125rem;
  line-height: 1.4;
  margin: 0;
}
.activity-text b {
  font-weight: 500;
}
.activity-meta {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  margin-top: 0.25rem;
  font-size: 0.6875rem;
  color: var(--muted-foreground);
}

/* -- alert / briefing panel -- */
.alert-list {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}
.alert-item {
  display: flex;
  gap: 0.625rem;
  border-radius: var(--radius-lg);
  padding: 0.625rem 0.75rem;
  border: 1px solid var(--border);
}
.alert-item.warning {
  border-color: color-mix(in oklab, var(--warning) 40%, transparent);
  background: color-mix(in oklab, var(--warning) 10%, transparent);
}
.alert-item.danger {
  border-color: color-mix(in oklab, var(--destructive) 40%, transparent);
  background: color-mix(in oklab, var(--destructive) 8%, transparent);
}
.alert-item.info {
  border-color: color-mix(in oklab, var(--chart-2) 40%, transparent);
  background: color-mix(in oklab, var(--chart-2) 8%, transparent);
}
.alert-icon {
  flex-shrink: 0;
  width: 1rem;
  height: 1rem;
  margin-top: 0.125rem;
}
.alert-item.warning .alert-icon {
  color: color-mix(in oklab, var(--warning) 55%, var(--foreground));
}
.alert-item.danger .alert-icon {
  color: var(--destructive);
}
.alert-item.info .alert-icon {
  color: var(--chart-2);
}
.alert-body {
  flex: 1;
  min-width: 0;
}
.alert-title {
  font-size: 0.8125rem;
  font-weight: 500;
  margin: 0;
}
.alert-desc {
  font-size: 0.75rem;
  color: var(--muted-foreground);
  margin: 0.1875rem 0 0;
}
.briefing-text {
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--foreground);
  margin: 0;
}
.briefing-divider {
  margin: 1rem 0;
}

/* -- empty state -- */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  padding: 3rem 1rem;
  text-align: center;
  color: var(--muted-foreground);
}
.empty-state svg {
  width: 1.5rem;
  height: 1.5rem;
}
.empty-state p {
  font-size: 0.875rem;
  margin: 0;
}

/* -- notification bell -- */
.icon-btn {
  position: relative;
}
.notif-badge {
  position: absolute;
  top: -0.125rem;
  right: -0.125rem;
  display: flex;
  height: 1rem;
  min-width: 1rem;
  align-items: center;
  justify-content: center;
  border-radius: 9999px;
  background: var(--destructive);
  color: white;
  font-size: 0.625rem;
  font-weight: 600;
  padding: 0 0.1875rem;
  line-height: 1;
}

/* ==========================================================================
   5. 반응형 — 모바일 사이드바
   ========================================================================== */
@media (max-width: 767px) {
  .sidebar-gap {
    display: none;
  }
  .sidebar {
    z-index: 40;
    left: calc(var(--sidebar-width-mobile) * -1);
    width: var(--sidebar-width-mobile);
    padding: 0;
  }
  .sidebar-inner {
    border-radius: 0;
  }
  .app-shell.sidebar-open-mobile .sidebar {
    left: 0;
  }
  .main-wrap {
    margin: 0;
    border-radius: 0;
    box-shadow: none;
  }
  .split-section {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 768px) {
  .sidebar-overlay {
    display: none !important;
  }
}

.visually-hidden-mobile {
  display: none;
}
@media (min-width: 640px) {
  .visually-hidden-mobile {
    display: block;
  }
}