/* ==========================================================================
   FOUNDATION + SEMANTIC UI LAYER
   ========================================================================== */

:root {
  --layout-section-gap: 24px;
  --container-padding: 24px;
  --content-width-max: 1360px;
  --widget-padding-default: 16px;
  --widget-padding-roomy: 20px;

  --scrollbar-size: 12px;
  --scrollbar-radius: 999px;

  --control-height-sm: 32px;
  --control-height-md: 36px;
  --control-height-lg: 40px;

  --table-row-height-sm: 40px;
  --table-row-height-md: 44px;

  --icon-size-sm: 16px;
  --icon-size-md: 18px;
  --icon-size-lg: 20px;

  --motion-fast: 120ms;
  --motion-overlay: 150ms;

  --focus-ring: 0 0 0 3px rgba(79, 70, 229, 0.16);
  --hover-elevation: var(--glass-shadow-float);
}

html[data-theme="solid"] {
  --color-bg-base: #edf1f6;
  --color-bg-sidebar: #f9fbfd;
  --color-bg-card: #fbfcfe;
  --color-bg-muted: #f1f4f8;

  --color-border: #dce3eb;
  --color-border-strong: #d1d9e3;

  --color-primary: #4f46e5;
  --color-primary-light: #eef2ff;
  --color-primary-hover: #4338ca;

  --color-success: #22c55e;
  --color-warning: #f59e0b;
  --color-danger: #ef4444;
  --color-info: #3b82f6;

  --text-primary: #18212f;
  --text-secondary: #5d6878;
  --text-tertiary: #8894a6;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;

  --shadow-sm:
    0 1px 2px rgba(15, 23, 42, 0.03),
    0 8px 20px rgba(15, 23, 42, 0.04);
  --shadow-md:
    0 4px 12px rgba(15, 23, 42, 0.05),
    0 14px 30px rgba(15, 23, 42, 0.06);
  --shadow-lg:
    0 10px 26px rgba(15, 23, 42, 0.06),
    0 24px 50px rgba(15, 23, 42, 0.08);

  --chart-blue: #3b82f6;
  --chart-red: #ef4444;
  --chart-purple: #8b5cf6;
  --chart-green: #22c55e;
  --hover-elevation: var(--shadow-md);
  --focus-ring: 0 0 0 3px rgba(79, 70, 229, 0.18);

  --scrollbar-track: rgba(220, 227, 235, 0.78);
  --scrollbar-thumb: rgba(149, 161, 180, 0.92);
  --scrollbar-thumb-hover: rgba(116, 131, 154, 0.96);
  --scrollbar-thumb-border: rgba(237, 241, 246, 0.95);
}

html[data-theme] {
  scrollbar-gutter: auto;
}

html[data-theme="solid"] body.app-ui,
html[data-theme="solid"] body.app-ui button,
html[data-theme="solid"] body.app-ui input,
html[data-theme="solid"] body.app-ui select,
html[data-theme="solid"] body.app-ui textarea {
  font-family: Inter, "Pretendard Variable", Pretendard, "Open Sans", sans-serif;
}

html[data-theme="solid"] .app-ui {
  background: linear-gradient(180deg, #eef2f7 0%, #e8edf4 100%);
}

html[data-theme="solid"] .app-shell-main {
  background: linear-gradient(180deg, #eef2f7 0%, #e8edf4 100%);
}

html[data-theme="solid"] .app-page-scroll,
html[data-theme="solid"] .app-content {
  background: transparent;
}

.app-page-scroll {
  scrollbar-gutter: auto;
}

.app-ui,
.app-ui * {
  scrollbar-width: thin;
  scrollbar-color: var(--scrollbar-thumb) transparent;
}

.app-ui *::-webkit-scrollbar {
  width: var(--scrollbar-size);
  height: var(--scrollbar-size);
}

.app-ui *::-webkit-scrollbar-track {
  background: transparent;
}

.app-ui *::-webkit-scrollbar-thumb {
  min-height: 44px;
  border-radius: var(--scrollbar-radius);
  border: 3px solid var(--scrollbar-thumb-border, transparent);
  background: var(--scrollbar-thumb);
  background-clip: padding-box;
}

.app-ui *::-webkit-scrollbar-thumb:hover {
  background: var(--scrollbar-thumb-hover, var(--scrollbar-thumb));
  background-clip: padding-box;
}

.app-ui *::-webkit-scrollbar-corner {
  background: transparent;
}

html[data-theme="solid"] .app-page-scroll::-webkit-scrollbar-track,
html[data-theme="solid"] .app-sidebar-scroll::-webkit-scrollbar-track,
html[data-theme="solid"] .admin-home-modal-body::-webkit-scrollbar-track,
html[data-theme="solid"] .media-detail-content::-webkit-scrollbar-track,
html[data-theme="solid"] .app-search-results-inner::-webkit-scrollbar-track {
  background: var(--scrollbar-track);
  border-radius: var(--scrollbar-radius);
}

html[data-theme="solid"] .app-sidebar,
html[data-theme="solid"] .app-sidebar-fixed {
  background: var(--color-bg-sidebar);
  color: var(--text-primary);
  border-right: 1px solid var(--color-border);
  box-shadow: none;
}

html[data-theme="solid"] .app-sidebar-fixed {
  border-bottom: 1px solid var(--color-border);
}

html[data-theme="solid"] .app-sidebar-brand strong,
html[data-theme="solid"] .app-nav-copy strong,
html[data-theme="solid"] .app-nav-link,
html[data-theme="solid"] .app-nav-button {
  color: var(--text-primary);
}

html[data-theme="solid"] .app-sidebar-brand span,
html[data-theme="solid"] .app-nav-copy small,
html[data-theme="solid"] .app-nav-group-label,
html[data-theme="solid"] .app-nav-submenu .app-nav-link {
  color: var(--text-secondary);
}

html[data-theme="solid"] .app-nav-group-label {
  opacity: 1;
}

html[data-theme="solid"] .app-sidebar-logo {
  background: linear-gradient(135deg, #eef2ff, #e0e7ff);
  color: var(--color-primary);
  box-shadow: none;
}

html[data-theme="solid"] .app-nav-link,
html[data-theme="solid"] .app-nav-button {
  border: 1px solid transparent;
  background: transparent;
  box-shadow: none;
}

html[data-theme="solid"] .app-nav-link:hover,
html[data-theme="solid"] .app-nav-button:hover {
  background: var(--color-bg-muted);
  border-color: var(--color-border);
  box-shadow: var(--shadow-sm);
  color: var(--text-primary);
}

html[data-theme="solid"] .app-nav-link:hover .app-nav-icon,
html[data-theme="solid"] .app-nav-button:hover .app-nav-icon {
  background: #ffffff;
  color: var(--text-primary);
  box-shadow: inset 0 0 0 1px var(--color-border);
}

html[data-theme="solid"] .app-nav-link.is-active,
html[data-theme="solid"] .app-nav-submenu .app-nav-link.is-active {
  background: var(--color-primary-light);
  border-color: rgba(79, 70, 229, 0.18);
  box-shadow: var(--shadow-sm);
  color: var(--color-primary);
}

html[data-theme="solid"] .app-nav-link.is-active .app-nav-icon,
html[data-theme="solid"] .app-nav-submenu .app-nav-link.is-active .app-nav-icon {
  background: var(--color-primary);
  color: #fff;
}

html[data-theme="solid"] .app-nav-icon {
  background: var(--color-bg-muted);
  color: var(--text-secondary);
}

html[data-theme="solid"] .app-sidebar-close {
  border: 1px solid var(--color-border);
  background: var(--color-bg-card);
  color: var(--text-secondary);
}

html[data-theme="solid"] .app-theme-switch,
html[data-theme="solid"] .js-app-search-root .ui-input,
html[data-theme="solid"] .surface-panel.app-shell-topbar {
  box-shadow: var(--shadow-sm);
  border-radius: 22px;
}

html[data-theme="solid"] .surface-panel.app-shell-topbar {
  background: rgba(249, 251, 253, 0.96);
  border-color: var(--color-border);
}

html[data-theme="solid"] .app-theme-switch,
html[data-theme="solid"] .js-app-search-root .ui-input {
  background: rgba(249, 251, 253, 0.98);
  border-color: var(--color-border);
}

html[data-theme="solid"] .app-theme-option[disabled] {
  opacity: 0.45;
  cursor: not-allowed;
  pointer-events: none;
  box-shadow: none;
}

html[data-theme="solid"] .app-sidebar-logo,
html[data-theme="solid"] .app-nav-icon {
  border-radius: 20px;
}

.app-nav-icon svg {
  width: var(--icon-size-lg);
  height: var(--icon-size-lg);
  display: block;
  flex: 0 0 auto;
}

html[data-theme="solid"] .app-nav-link,
html[data-theme="solid"] .app-nav-button {
  border-radius: 22px;
}

.page-section {
  display: grid;
  gap: var(--layout-section-gap);
}

.app-ui button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
}

.ui-page-header {
  gap: 1rem;
}

.ui-page-header-kicker {
  margin: 0 0 0.35rem;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--glass-text-muted-light);
}

.ui-page-header-title {
  margin: 0;
  font-family: "Raleway", Inter, sans-serif;
  font-size: clamp(1.9rem, 2.6vw, 2.7rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--glass-text-on-light);
}

.ui-page-header-note {
  margin: 0.65rem 0 0;
  max-width: 52rem;
  font-size: 0.95rem;
  line-height: 1.65;
  color: var(--glass-text-muted-light);
}

.surface-panel,
.surface-card,
.surface-muted,
.surface-overlay,
.ui-input,
.ui-button,
.ui-table-shell,
.ui-table-row,
.ui-modal {
  position: relative;
  isolation: isolate;
  transition:
    background-color var(--motion-fast) ease,
    border-color var(--motion-fast) ease,
    box-shadow var(--motion-fast) ease,
    transform var(--motion-fast) ease,
    color var(--motion-fast) ease;
}

.surface-panel {
  background: var(--glass-bg-strong);
  border: 1px solid var(--glass-border-strong);
  border-radius: 24px;
  backdrop-filter: blur(var(--glass-blur-panel));
  -webkit-backdrop-filter: blur(var(--glass-blur-panel));
  box-shadow: var(--glass-shadow-float);
  color: var(--glass-text-on-light);
}

.surface-card {
  background: var(--glass-bg-medium);
  border: 1px solid var(--glass-border-strong);
  border-radius: 18px;
  backdrop-filter: blur(var(--glass-blur-card));
  -webkit-backdrop-filter: blur(var(--glass-blur-card));
  box-shadow: var(--glass-shadow-soft);
  color: var(--glass-text-on-light);
}

.surface-muted {
  background: rgba(255, 255, 255, 0.18);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 16px;
  color: var(--glass-text-secondary-light);
}

.surface-overlay,
.ui-modal {
  background: var(--glass-overlay-bg);
  border: 1px solid var(--glass-border-strong);
  border-radius: 18px;
  color: var(--glass-overlay-text);
  backdrop-filter: blur(var(--glass-blur-modal));
  -webkit-backdrop-filter: blur(var(--glass-blur-modal));
  box-shadow: var(--glass-shadow-modal);
}

.ui-modal {
  z-index: var(--z-modal);
}

.surface-overlay {
  z-index: var(--z-popover);
}

.surface-panel::before,
.surface-card::before,
.surface-overlay::before,
.ui-modal::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.5), rgba(255, 255, 255, 0.08) 52%),
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.35), transparent 42%);
  opacity: 0.82;
  pointer-events: none;
  z-index: -1;
}

.ui-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: var(--control-height-lg);
  padding: 0.625rem 0.95rem;
  border-radius: var(--radius-md, 10px);
  border: 1px solid var(--glass-border-strong);
  background: var(--glass-bg-light);
  color: var(--glass-text-on-light);
  text-decoration: none;
  white-space: nowrap;
  box-shadow: var(--glass-shadow-soft);
  backdrop-filter: blur(var(--glass-blur-control));
  -webkit-backdrop-filter: blur(var(--glass-blur-control));
  cursor: pointer;
}

.ui-button:hover {
  transform: translateY(-1px);
  box-shadow: var(--hover-elevation);
  text-decoration: none;
}

.ui-button:active {
  transform: scale(0.97);
}

.ui-button:focus-visible,
.ui-input:focus-visible,
.ui-select:focus-visible,
.surface-overlay [role="menuitem"]:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}

.ui-button--primary {
  background: linear-gradient(135deg, var(--color-primary, #4f46e5), var(--color-primary-hover, #4338ca));
  border-color: transparent;
  color: #fff;
}

.ui-button--secondary {
  background: var(--glass-bg-light);
  color: var(--glass-text-on-light);
}

.ui-button--quiet {
  background: transparent;
  border-color: transparent;
  box-shadow: none;
  color: var(--glass-text-secondary-light);
}

.ui-button--danger {
  background: rgba(239, 68, 68, 0.12);
  border-color: rgba(239, 68, 68, 0.18);
  color: #991b1b;
}

.ui-input,
.ui-select {
  display: inline-flex;
  align-items: center;
  min-height: var(--control-height-lg);
  width: 100%;
  border-radius: var(--radius-md, 10px);
  border: 1px solid var(--glass-border-strong);
  background: var(--glass-control-bg);
  color: var(--glass-text-on-light);
  box-shadow: var(--glass-shadow-soft);
  backdrop-filter: blur(var(--glass-blur-control));
  -webkit-backdrop-filter: blur(var(--glass-blur-control));
}

.ui-input {
  padding: 0.5rem 0.75rem;
}

.ui-input input,
.ui-input select,
.ui-select select {
  width: 100%;
  border: 0;
  background: transparent;
  color: inherit;
  padding: 0;
  min-height: 0;
}

.ui-input input::placeholder,
.ui-select select::placeholder {
  color: var(--glass-text-muted-light);
}

.ui-table-shell {
  background: var(--glass-table-shell-bg);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  box-shadow: var(--glass-shadow-float);
  backdrop-filter: blur(var(--glass-blur-panel));
  -webkit-backdrop-filter: blur(var(--glass-blur-panel));
  color: var(--glass-text-on-light);
}

.ui-table-row {
  background: var(--glass-table-row-bg);
  border: 1px solid var(--glass-table-row-border);
  color: var(--glass-text-on-light);
  backdrop-filter: blur(var(--glass-blur-card));
  -webkit-backdrop-filter: blur(var(--glass-blur-card));
}

.ui-table-shell-head {
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.ui-table-shell-title {
  margin: 0;
  font-family: "Raleway", Inter, sans-serif;
  font-size: clamp(1.35rem, 1.8vw, 1.8rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--glass-text-on-light);
}

.ui-table-shell-note {
  margin: 0.3rem 0 0;
  font-size: 0.9rem;
  line-height: 1.55;
  color: var(--glass-text-muted-light);
}

.metric-widget {
  display: flex;
  min-height: 148px;
  flex-direction: column;
  justify-content: space-between;
  padding: var(--widget-padding-roomy);
}

.metric-widget__label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.24em;
  text-transform: uppercase;
}

.metric-widget__value {
  font-family: "Raleway", Inter, sans-serif;
  font-size: clamp(1.8rem, 2vw, 2.6rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.04em;
}

.metric-widget__meta {
  font-size: 0.85rem;
  line-height: 1.45;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 0.35rem 0.7rem;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.status-banner {
  border-radius: 14px;
  border: 1px solid transparent;
  padding: 0.95rem 1.1rem;
  font-size: 0.92rem;
  font-weight: 600;
}

.status-banner--success {
  background: rgba(220, 252, 231, 0.88);
  border-color: rgba(34, 197, 94, 0.16);
  color: #166534;
}

.status-banner--warning {
  background: rgba(254, 243, 199, 0.92);
  border-color: rgba(245, 158, 11, 0.18);
  color: #92400e;
}

.status-banner--danger {
  background: rgba(254, 226, 226, 0.92);
  border-color: rgba(239, 68, 68, 0.18);
  color: #991b1b;
}

.status-banner--info {
  background: rgba(224, 242, 254, 0.92);
  border-color: rgba(59, 130, 246, 0.18);
  color: #075985;
}

.filter-bar {
  display: grid;
  gap: 12px;
}

.empty-state {
  border-radius: 18px;
  padding: 2rem 1.25rem;
  text-align: center;
  font-size: 0.92rem;
}

html[data-theme="solid"] .surface-panel,
html[data-theme="solid"] .surface-card,
html[data-theme="solid"] .surface-muted,
html[data-theme="solid"] .surface-overlay,
html[data-theme="solid"] .ui-input,
html[data-theme="solid"] .ui-select,
html[data-theme="solid"] .ui-table-shell,
html[data-theme="solid"] .ui-table-row,
html[data-theme="solid"] .ui-modal {
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
}

html[data-theme="solid"] .surface-panel {
  background: var(--color-bg-card);
  border-color: var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  color: var(--text-primary);
}

html[data-theme="solid"] .surface-card {
  background: linear-gradient(180deg, #fdfeff 0%, #f8fafc 100%);
  border-color: var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  color: var(--text-primary);
}

html[data-theme="solid"] .surface-muted {
  background: var(--color-bg-muted);
  border-color: var(--color-border);
  color: var(--text-secondary);
}

html[data-theme="solid"] .surface-overlay,
html[data-theme="solid"] .ui-modal {
  background: #fcfdff;
  border-color: var(--color-border-strong);
  color: var(--text-primary);
  box-shadow: var(--shadow-lg);
}

html[data-theme="solid"] .surface-panel::before,
html[data-theme="solid"] .surface-card::before,
html[data-theme="solid"] .surface-overlay::before,
html[data-theme="solid"] .ui-modal::before {
  display: none;
}

html[data-theme="solid"] .ui-button {
  background: #fcfdff;
  border-color: var(--color-border);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  box-shadow: var(--shadow-sm);
}

html[data-theme="solid"] .ui-button:hover {
  box-shadow: var(--shadow-md);
}

html[data-theme="solid"] .ui-button--primary {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

html[data-theme="solid"] .ui-button--primary:hover {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
}

html[data-theme="solid"] .ui-button--secondary {
  color: var(--text-secondary);
  background: var(--color-bg-card);
}

html[data-theme="solid"] .ui-button--quiet {
  background: transparent;
  box-shadow: none;
  color: var(--text-secondary);
}

html[data-theme="solid"] .ui-button--danger {
  background: rgba(239, 68, 68, 0.08);
  border-color: rgba(239, 68, 68, 0.18);
  color: #b91c1c;
}

html[data-theme="solid"] .ui-input,
html[data-theme="solid"] .ui-select {
  background: #f8fafc;
  border-color: var(--color-border);
  color: var(--text-primary);
  box-shadow: none;
}

html[data-theme="solid"] .ui-input input::placeholder,
html[data-theme="solid"] .ui-select select::placeholder {
  color: var(--text-tertiary);
}

html[data-theme="solid"] .ui-table-shell {
  background: var(--color-bg-card);
  border-color: var(--color-border);
  border-radius: calc(var(--radius-lg) + 2px);
  box-shadow: var(--shadow-sm);
}

html[data-theme="solid"] .ui-table-row {
  background: #fcfdff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  min-height: var(--table-row-height-md);
}

html[data-theme="solid"] .ui-table-row:hover {
  background: var(--color-bg-muted);
}

html[data-theme="solid"] .ui-table-shell-head {
  border-bottom-color: var(--color-border);
}

html[data-theme="solid"] .ui-table-shell-title,
html[data-theme="solid"] .ui-page-header-title {
  color: var(--text-primary);
}

html[data-theme="solid"] .ui-table-shell-note,
html[data-theme="solid"] .ui-page-header-note,
html[data-theme="solid"] .ui-page-header-kicker {
  color: var(--text-secondary);
}

html[data-theme="solid"] .metric-widget {
  min-height: 124px;
  padding: var(--widget-padding-default);
}

html[data-theme="solid"] .metric-widget__label {
  color: var(--text-tertiary);
}

html[data-theme="solid"] .metric-widget__value {
  font-family: Inter, "Pretendard Variable", Pretendard, sans-serif;
  color: var(--text-primary);
}

html[data-theme="solid"] .metric-widget__meta {
  color: var(--text-secondary);
}

html[data-theme="solid"] .empty-state {
  background: var(--color-bg-muted);
  border: 1px dashed var(--color-border-strong);
  color: var(--text-secondary);
}

html[data-theme="solid"] .status-pill {
  background: var(--color-bg-muted);
  color: var(--text-secondary);
  letter-spacing: 0.14em;
}

html[data-theme="solid"] .status-banner {
  border-radius: calc(var(--radius-lg) - 2px);
}

html[data-theme="solid"] .app-page-scroll .font-\\[\\'Raleway\\'\\],
html[data-theme="solid"] .app-page-scroll .font-\\[\\'Raleway\\'\\] * {
  font-family: Inter, "Pretendard Variable", Pretendard, sans-serif;
}