/* WHY: one token source keeps every admin module visually and behaviorally consistent. */
:root {
  --color-primary: #1677ff;
  --color-primary-hover: #4096ff;
  --color-primary-active: #0958d9;
  --color-primary-soft: #e6f4ff;
  --color-primary-border: #bae0ff;
  --color-primary-focus: rgba(22, 119, 255, 0.35);
  --color-primary-focus-shadow: rgba(22, 119, 255, 0.12);
  --color-primary-chart-fill: rgba(22, 119, 255, 0.08);
  --color-bg: #f5f5f5;
  --color-surface: #ffffff;
  --color-surface-glass: rgba(255, 255, 255, 0.96);
  --color-surface-glass-strong: rgba(255, 255, 255, 0.98);
  --color-border: #f0f0f0;
  --color-border-strong: #d9d9d9;
  --color-fill: #fafafa;
  --color-fill-hover: #f5f5f5;
  --color-row-hover: #fafcff;
  --color-neutral: #bfbfbf;
  --color-text: rgba(0, 0, 0, 0.88);
  --color-text-secondary: rgba(0, 0, 0, 0.65);
  --color-text-tertiary: rgba(0, 0, 0, 0.45);
  --color-text-disabled: rgba(0, 0, 0, 0.25);
  --color-success: #52c41a;
  --color-success-soft: #f6ffed;
  --color-success-text: #389e0d;
  --color-success-alert-text: #237804;
  --color-success-border: #b7eb8f;
  --color-success-ring: rgba(82, 196, 26, 0.14);
  --color-success-chart-fill: rgba(82, 196, 26, 0.04);
  --color-warning: #faad14;
  --color-warning-soft: #fffbe6;
  --color-warning-text: #d48806;
  --color-error: #ff4d4f;
  --color-error-soft: #fff2f0;
  --color-error-text: #cf1322;
  --color-error-alert-text: #a8071a;
  --color-error-border: #ffccc7;
  --color-cyan: #13c2c2;
  --color-cyan-soft: #e6fffb;
  --color-chat-bg: #e8edf2;
  --color-chat-bubble: #ffffff;
  --color-telegram-primary: #3390ec;
  --color-telegram-success: #31b545;
  --color-telegram-danger: #e65353;
  --color-sidebar: #001529;
  --color-sidebar-hover: rgba(255, 255, 255, 0.09);
  --color-sidebar-text: rgba(255, 255, 255, 0.65);
  --color-sidebar-muted: rgba(255, 255, 255, 0.38);
  --color-sidebar-border: rgba(255, 255, 255, 0.1);
  --color-sidebar-strong: #ffffff;
  --color-overlay-control: rgba(0, 0, 0, 0.55);
  --color-overlay-control-hover: rgba(0, 0, 0, 0.78);
  --color-overlay-material: rgba(0, 0, 0, 0.38);
  --color-overlay-mobile: rgba(0, 0, 0, 0.42);
  --color-tooltip: rgba(0, 0, 0, 0.82);
  --color-code-text: #d6e4ff;
  --color-code-surface: #141414;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --font-page-title: 16px;
  --font-body: 14px;
  --font-small: 12px;
  --font-metric: 30px;
  --line-body: 1.5715;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-6: 24px;
  --space-8: 32px;
  --radius-control: 6px;
  --radius-card: 8px;
  --control-height: 32px;
  --control-height-lg: 40px;
  --icon-size: 16px;
  --icon-button-size: 32px;
  --sidebar-width: 220px;
  --sidebar-collapsed: 80px;
  --topbar-height: 56px;
  --content-gutter: 24px;
  --content-max: 1680px;
  --table-row-height: 56px;
  --thumb-size: 48px;
  --preview-width: 340px;
  --dialog-width: 560px;
  --config-field-min: 152px;
  --config-wide-min: 220px;
  --config-select-track: 112px;
  --config-row-track: 64px;
  --config-action-track: 48px;
  --login-brand-width: 42%;
  --login-panel-min: 360px;
  --login-form-width: 400px;
  --login-mark-size: 48px;
  --checkin-preview-min: 320px;
  --checkin-label-track: 76px;
  --checkin-table-min: 940px;
  --shadow-card: 0 1px 2px rgba(0, 0, 0, 0.03);
  --shadow-header: 0 1px 4px rgba(0, 0, 0, 0.06);
  --shadow-overlay: 0 8px 24px rgba(0, 0, 0, 0.12);
  --shadow-switch-knob: 0 1px 3px rgba(0, 0, 0, 0.2);
  --transition-fast: 0.18s ease;
  --z-sidebar: 30;
  --z-topbar: 20;
  --z-sticky: 10;
  --z-overlay: 25;
}

* {
  box-sizing: border-box;
  letter-spacing: 0;
}

html {
  min-width: 320px;
  background: var(--color-bg);
}

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  color: var(--color-text);
  background: var(--color-bg);
  font-family: var(--font-sans);
  font-size: var(--font-body);
  line-height: var(--line-body);
  -webkit-font-smoothing: antialiased;
}

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

button,
a {
  -webkit-tap-highlight-color: transparent;
}

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

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

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

[hidden] {
  display: none !important;
}

.numeric,
.mono,
time,
.stat-value {
  font-variant-numeric: tabular-nums;
}

.mono {
  font-family: var(--font-mono);
  font-size: var(--font-small);
}

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

.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;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: var(--space-2);
  left: var(--space-2);
  transform: translateY(-160%);
  padding: var(--space-2) var(--space-3);
  color: var(--color-surface);
  background: var(--color-primary);
  border-radius: var(--radius-control);
  transition: transform var(--transition-fast);
}

.skip-link:focus {
  transform: translateY(0);
}

/* WHY: the stable 220/80 shell preserves navigation position during repeated operations. */
.sidebar {
  position: fixed;
  z-index: var(--z-sidebar);
  inset: 0 auto 0 0;
  display: flex;
  width: var(--sidebar-width);
  flex-direction: column;
  overflow: hidden;
  color: var(--color-sidebar-text);
  background: var(--color-sidebar);
  transition: transform var(--transition-fast);
}

.brand {
  display: flex;
  width: 100%;
  min-height: var(--topbar-height);
  align-items: center;
  gap: var(--space-3);
  padding: 0 var(--space-4);
  color: var(--color-sidebar-strong);
  white-space: nowrap;
}

.brand:hover {
  color: var(--color-sidebar-strong);
  background: var(--color-sidebar-hover);
}

.brand-mark {
  display: grid;
  width: var(--control-height);
  height: var(--control-height);
  flex: 0 0 var(--control-height);
  place-items: center;
  color: var(--color-surface);
  background: var(--color-primary);
  border-radius: var(--radius-control);
}

.brand-mark svg {
  width: 18px;
  height: 18px;
}

.brand-copy,
.sidebar-footer-copy {
  display: flex;
  min-width: 0;
  flex-direction: column;
}

.brand-copy strong {
  font-size: var(--font-page-title);
  line-height: 20px;
}

.brand-copy small,
.sidebar-footer-copy small {
  color: var(--color-sidebar-text);
  font-size: var(--font-small);
}

.side-nav {
  flex: 1;
  overflow-x: hidden;
  overflow-y: auto;
  padding: var(--space-3) var(--space-2);
  scrollbar-width: thin;
}

.nav-group-label {
  height: 28px;
  margin: var(--space-3) var(--space-3) var(--space-1);
  color: var(--color-sidebar-muted);
  font-size: var(--font-small);
  line-height: 28px;
  white-space: nowrap;
}

.nav-group-label:first-child {
  margin-top: 0;
}

.nav-item {
  position: relative;
  display: flex;
  height: 40px;
  align-items: center;
  gap: var(--space-3);
  margin: var(--space-1) 0;
  padding: 0 var(--space-3);
  color: var(--color-sidebar-text);
  border-radius: var(--radius-control);
  white-space: nowrap;
}

.nav-item:hover {
  color: var(--color-sidebar-strong);
  background: var(--color-sidebar-hover);
}

.nav-item:focus-visible {
  outline: 2px solid var(--color-primary-hover);
  outline-offset: -2px;
}

.nav-item.active {
  color: var(--color-sidebar-strong);
  background: var(--color-primary);
}

.nav-item.active:hover {
  background: var(--color-primary-hover);
}

.nav-item svg {
  width: 18px;
  height: 18px;
}

.sidebar-footer {
  display: flex;
  min-height: 64px;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-6);
  border-top: 1px solid var(--color-sidebar-border);
  white-space: nowrap;
}

.sidebar-footer-copy strong {
  color: var(--color-sidebar-strong);
  font-size: var(--font-small);
  font-weight: 500;
}

.environment-indicator {
  width: var(--space-2);
  height: var(--space-2);
  flex: 0 0 var(--space-2);
  background: var(--color-success);
  border-radius: 50%;
  box-shadow: 0 0 0 var(--space-1) var(--color-success-ring);
}

.app-frame {
  min-height: 100vh;
  margin-left: var(--sidebar-width);
}

.topbar {
  position: sticky;
  z-index: var(--z-topbar);
  top: 0;
  display: flex;
  height: var(--topbar-height);
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--content-gutter);
  background: var(--color-surface-glass);
  box-shadow: var(--shadow-header);
}

.topbar-start,
.topbar-end,
.operator,
.topbar-product {
  display: flex;
  align-items: center;
}

.topbar-start,
.topbar-end {
  gap: var(--space-3);
}

.topbar-product {
  gap: var(--space-2);
  white-space: nowrap;
}

.topbar-product strong {
  font-size: var(--font-body);
}

.topbar-product span {
  color: var(--color-text-secondary);
  font-size: var(--font-small);
}

.topbar-divider {
  width: 1px;
  height: 20px;
  background: var(--color-border);
}

.operator {
  gap: var(--space-2);
}

.operator-avatar {
  display: grid;
  width: var(--control-height);
  height: var(--control-height);
  place-items: center;
  color: var(--color-primary);
  background: var(--color-primary-soft);
  border-radius: 50%;
  font-size: var(--font-small);
  font-weight: 600;
}

.operator-copy {
  display: flex;
  flex-direction: column;
  line-height: 16px;
}

.operator-copy strong {
  font-size: var(--font-small);
  font-weight: 600;
}

.operator-copy small {
  color: var(--color-text-tertiary);
  font-size: 11px;
}

.content {
  width: min(100%, var(--content-max));
  margin: 0 auto;
  padding: var(--space-4) var(--content-gutter) var(--space-8);
}

.page-header {
  margin-bottom: var(--space-4);
}

.breadcrumb {
  display: flex;
  min-height: 24px;
  align-items: center;
  gap: var(--space-1);
  color: var(--color-text-tertiary);
  font-size: var(--font-small);
}

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

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

.breadcrumb svg {
  width: 12px;
  height: 12px;
}

.page-title-row {
  display: flex;
  min-height: 48px;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-4);
}

.page-title-copy h1 {
  margin: 0;
  font-size: var(--font-page-title);
  font-weight: 600;
  line-height: 24px;
}

.page-title-copy p {
  margin: var(--space-1) 0 0;
  color: var(--color-text-secondary);
  font-size: var(--font-small);
}

.page-actions,
.save-actions,
.row-actions,
.toolbar-actions,
.filter-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.button,
.icon-button {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: var(--radius-control);
  cursor: pointer;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.button {
  min-height: var(--control-height);
  gap: var(--space-2);
  padding: 0 var(--space-4);
  font-weight: 400;
  white-space: nowrap;
}

.button:hover,
.icon-button:hover {
  text-decoration: none;
}

.button:active,
.icon-button:active {
  transform: translateY(1px);
}

.button:focus-visible,
.icon-button:focus-visible,
.category-tab:focus-visible,
.segmented button:focus-visible,
.profile-segmented button:focus-visible {
  outline: 2px solid var(--color-primary-focus);
  outline-offset: 2px;
}

.button-primary {
  color: var(--color-surface);
  background: var(--color-primary);
  border-color: var(--color-primary);
}

.button-primary:hover {
  color: var(--color-surface);
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
}

.button-primary:active {
  background: var(--color-primary-active);
  border-color: var(--color-primary-active);
}

.button-default {
  color: var(--color-text);
  background: var(--color-surface);
  border-color: var(--color-border-strong);
}

.button-default:hover {
  color: var(--color-primary);
  border-color: var(--color-primary-hover);
}

.button-default:active {
  color: var(--color-primary-active);
  border-color: var(--color-primary-active);
}

.button-text {
  color: var(--color-primary);
  background: transparent;
}

.button-text:hover {
  color: var(--color-primary-hover);
  background: var(--color-primary-soft);
}

.button-small {
  min-height: 28px;
  padding: 0 var(--space-3);
  font-size: var(--font-small);
}

.icon-button {
  width: var(--icon-button-size);
  height: var(--icon-button-size);
  padding: 0;
  color: var(--color-text-secondary);
  background: transparent;
}

.icon-button:hover {
  color: var(--color-primary);
  background: var(--color-primary-soft);
}

.icon-button.inverse {
  color: var(--color-surface);
  background: var(--color-overlay-control);
}

.icon-button.inverse:hover {
  color: var(--color-surface);
  background: var(--color-overlay-control-hover);
}

.icon-button.disabled {
  color: var(--color-text-disabled);
  cursor: default;
  pointer-events: none;
}

.panel,
.filter-panel {
  margin-bottom: var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
}

.panel-header,
.panel-toolbar {
  display: flex;
  min-height: 56px;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-border);
}

.panel-header h2,
.panel-toolbar strong {
  margin: 0;
  font-size: var(--font-body);
  font-weight: 600;
}

.panel-header p {
  margin: 2px 0 0;
  color: var(--color-text-secondary);
  font-size: var(--font-small);
}

.toolbar-start {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: var(--space-3);
}

.result-count {
  color: var(--color-text-tertiary);
  font-size: var(--font-small);
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}

.stat-card {
  min-width: 0;
  padding: var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
}

.stat-card-head,
.stat-foot,
.material-card-title,
.material-card-meta,
.legend,
.status-legend {
  display: flex;
  align-items: center;
}

.stat-card-head {
  justify-content: space-between;
  color: var(--color-text-secondary);
}

.stat-icon {
  display: grid;
  width: var(--control-height);
  height: var(--control-height);
  place-items: center;
  border-radius: var(--radius-control);
}

.tone-blue {
  color: var(--color-primary);
  background: var(--color-primary-soft);
}

.tone-cyan {
  color: var(--color-cyan);
  background: var(--color-cyan-soft);
}

.tone-green {
  color: var(--color-success);
  background: var(--color-success-soft);
}

.tone-amber {
  color: var(--color-warning-text);
  background: var(--color-warning-soft);
}

.stat-value {
  display: block;
  margin: var(--space-2) 0 var(--space-1);
  overflow-wrap: anywhere;
  font-size: var(--font-metric);
  font-weight: 600;
  line-height: 40px;
}

.stat-foot {
  min-height: 22px;
  gap: var(--space-2);
  color: var(--color-text-tertiary);
  font-size: var(--font-small);
}

.metric-trend {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  font-weight: 600;
}

.metric-trend svg {
  width: 12px;
  height: 12px;
}

.trend-up {
  color: var(--color-error);
}

.trend-down {
  color: var(--color-success);
}

.analytics-panel {
  padding-bottom: var(--space-4);
}

.legend,
.status-legend {
  gap: var(--space-4);
  color: var(--color-text-secondary);
  font-size: var(--font-small);
}

.legend span,
.status-legend span {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.legend-dot {
  display: inline-block;
  width: var(--space-2);
  height: var(--space-2);
  border-radius: 50%;
}

.legend-blue {
  background: var(--color-primary);
}

.legend-green {
  background: var(--color-success);
}

.legend-red {
  background: var(--color-error);
}

.chart-frame {
  position: relative;
  min-height: 320px;
  padding: var(--space-4);
}

.chart-frame-large {
  height: 340px;
}

.chart-frame canvas {
  width: 100% !important;
  height: 100% !important;
}

.chart-empty {
  display: grid;
  min-height: 260px;
  place-items: center;
  align-content: center;
  gap: var(--space-2);
  color: var(--color-text-secondary);
}

.table-scroll {
  width: 100%;
  overflow-x: auto;
}

/* WHY: separated borders and fixed row metrics improve scanning without increasing density. */
.data-table {
  width: 100%;
  min-width: 760px;
  border-collapse: separate;
  border-spacing: 0;
}

.data-table th,
.data-table td {
  padding: var(--space-3) var(--space-4);
  text-align: left;
  vertical-align: middle;
  border-bottom: 1px solid var(--color-border);
}

.data-table th {
  height: 44px;
  color: var(--color-text-secondary);
  background: var(--color-fill);
  font-size: var(--font-small);
  font-weight: 600;
  white-space: nowrap;
}

.data-table td {
  height: var(--table-row-height);
}

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

.data-table tbody tr:last-child td {
  border-bottom: 0;
}

.align-right {
  text-align: right !important;
}

/* WHY: actions stay reachable during horizontal table scrolling; opaque fill prevents bleed-through. */
.operation-column {
  position: sticky;
  z-index: 1;
  right: 0;
  width: 104px;
  background: var(--color-surface);
  text-align: right !important;
}

.data-table th.operation-column {
  background: var(--color-fill);
}

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

.entity-cell,
.content-cell,
.material-cell,
.identifier,
.media-type {
  display: flex;
  align-items: center;
}

.entity-cell,
.material-cell {
  gap: var(--space-3);
}

.entity-cell > span:last-child,
.content-cell,
.material-cell > span:last-child {
  min-width: 0;
}

.entity-cell > span:last-child,
.content-cell,
.material-cell > span:last-child {
  display: flex;
  flex-direction: column;
}

.entity-cell strong,
.content-cell strong,
.material-cell strong {
  max-width: 420px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.entity-cell small,
.content-cell small,
.material-cell small {
  max-width: 420px;
  overflow: hidden;
  color: var(--color-text-tertiary);
  font-size: var(--font-small);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.entity-avatar {
  display: grid;
  width: 34px;
  height: 34px;
  flex: 0 0 34px;
  place-items: center;
  color: var(--color-primary);
  background: var(--color-primary-soft);
  border-radius: var(--radius-control);
  font-weight: 600;
}

.material-thumb {
  display: grid;
  width: var(--thumb-size);
  height: var(--thumb-size);
  flex: 0 0 var(--thumb-size);
  overflow: hidden;
  place-items: center;
  color: var(--color-text-tertiary);
  background: var(--color-fill);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-control);
}

.material-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.identifier,
.media-type {
  gap: var(--space-2);
  white-space: nowrap;
}

.identifier svg,
.media-type svg {
  color: var(--color-text-tertiary);
}

.cell-ellipsis,
.source-cell {
  display: block;
  max-width: 260px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  margin-top: var(--space-1);
}

.tag {
  display: inline-flex;
  min-height: 22px;
  align-items: center;
  padding: 0 var(--space-2);
  border-radius: var(--radius-control);
  font-size: var(--font-small);
  line-height: 20px;
  white-space: nowrap;
}

.tag-neutral {
  color: var(--color-text-secondary);
  background: var(--color-fill-hover);
  border: 1px solid var(--color-border);
}

.tag-profile {
  color: var(--color-primary-active);
  background: var(--color-primary-soft);
  border: 1px solid var(--color-primary-border);
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text-secondary);
  font-size: var(--font-small);
  white-space: nowrap;
}

.status-badge > i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-text-disabled);
}

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

.status-success > i {
  background: var(--color-success);
}

.status-warning {
  color: var(--color-warning-text);
}

.status-warning > i {
  background: var(--color-warning);
}

.status-error {
  color: var(--color-error-text);
}

.status-error > i {
  background: var(--color-error);
}

.status-processing {
  color: var(--color-primary-active);
}

.status-processing > i {
  background: var(--color-primary);
}

.status-default > i {
  background: var(--color-neutral);
}

.filter-panel {
  padding: var(--space-4);
}

.filter-form {
  display: flex;
  align-items: flex-end;
  gap: var(--space-4);
}

.field {
  display: flex;
  min-width: 180px;
  flex-direction: column;
  gap: var(--space-1);
}

.field-grow {
  flex: 1;
}

.field label,
.field > label {
  color: var(--color-text-secondary);
  font-size: var(--font-small);
}

.field input,
.field select,
.field textarea,
.number-input {
  width: 100%;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-control);
  background: var(--color-surface);
  outline: none;
}

.field input,
.field select {
  height: var(--control-height);
  padding: 0 var(--space-3);
}

.field textarea {
  min-height: 96px;
  padding: var(--space-2) var(--space-3);
  resize: vertical;
}

.field input:hover,
.field select:hover,
.field textarea:hover,
.number-input:hover {
  border-color: var(--color-primary-hover);
}

.field input:focus,
.field select:focus,
.field textarea:focus,
.number-input:focus-within {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px var(--color-primary-focus-shadow);
}

.field input:disabled,
.field select:disabled,
.field textarea:disabled {
  color: var(--color-text-disabled);
  background: var(--color-fill-hover);
  cursor: not-allowed;
}

.field-help {
  color: var(--color-text-tertiary);
  font-size: var(--font-small);
}

.input-with-icon {
  position: relative;
}

.input-with-icon > svg {
  position: absolute;
  z-index: 1;
  top: 50%;
  left: var(--space-3);
  color: var(--color-text-tertiary);
  transform: translateY(-50%);
  pointer-events: none;
}

.input-with-icon input {
  padding-left: 36px;
}

.checkbox-field {
  display: inline-flex;
  min-height: var(--control-height);
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text-secondary);
  white-space: nowrap;
}

.checkbox-field input {
  width: 16px;
  height: 16px;
  accent-color: var(--color-primary);
}

.filter-actions {
  margin-left: auto;
}

.segmented {
  display: inline-flex;
  height: var(--control-height);
  align-items: center;
  padding: 2px;
  background: var(--color-fill-hover);
  border-radius: var(--radius-control);
}

.segmented button {
  display: grid;
  min-width: 28px;
  height: 28px;
  padding: 0 var(--space-2);
  place-items: center;
  color: var(--color-text-secondary);
  background: transparent;
  border: 0;
  border-radius: calc(var(--radius-control) - 2px);
  cursor: pointer;
}

.segmented button:hover {
  color: var(--color-text);
}

.segmented button.active {
  color: var(--color-primary);
  background: var(--color-surface);
  box-shadow: var(--shadow-card);
}

.segmented-text button {
  display: inline-flex;
  gap: var(--space-1);
  min-width: 76px;
}

.category-tabs {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
}

.category-tab {
  height: 28px;
  padding: 0 var(--space-3);
  color: var(--color-text-secondary);
  background: transparent;
  border: 0;
  border-radius: var(--radius-control);
  cursor: pointer;
}

.category-tab:hover {
  color: var(--color-primary);
  background: var(--color-primary-soft);
}

.category-tab.active {
  color: var(--color-primary);
  background: var(--color-primary-soft);
  font-weight: 500;
}

.material-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-4);
  padding: var(--space-4);
}

.material-card {
  min-width: 0;
  overflow: hidden;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  transition: transform var(--transition-fast);
}

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

.material-preview {
  position: relative;
  display: grid;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  place-items: center;
  color: var(--color-text-tertiary);
  background: var(--color-fill-hover);
}

.material-preview > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.material-preview > span svg {
  width: 32px;
  height: 32px;
}

.material-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  opacity: 0;
  background: var(--color-overlay-material);
  transition: opacity var(--transition-fast);
}

.material-card:hover .material-overlay,
.material-card:focus-within .material-overlay {
  opacity: 1;
}

.material-overlay form,
.row-actions form {
  display: contents;
}

.material-card-body {
  padding: var(--space-3);
}

.material-card-title {
  min-width: 0;
  justify-content: space-between;
  gap: var(--space-2);
}

.material-card-title strong {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.material-card-body p {
  min-height: 38px;
  margin: var(--space-2) 0;
  overflow: hidden;
  color: var(--color-text-secondary);
  font-size: var(--font-small);
  line-height: 19px;
}

.material-card-meta {
  justify-content: space-between;
  color: var(--color-text-tertiary);
  font-size: var(--font-small);
}

.grid-empty {
  grid-column: 1 / -1;
}

.pagination-bar {
  display: flex;
  min-height: 56px;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-2) var(--space-4);
  color: var(--color-text-secondary);
  border-top: 1px solid var(--color-border);
  font-size: var(--font-small);
}

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

.page-current {
  display: grid;
  min-width: var(--icon-button-size);
  height: var(--icon-button-size);
  place-items: center;
  color: var(--color-surface);
  background: var(--color-primary);
  border-radius: var(--radius-control);
}

.page-total {
  min-width: var(--icon-button-size);
  text-align: center;
}

.empty-state {
  display: flex;
  min-height: 240px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-6);
  text-align: center;
}

.empty-state.compact {
  min-height: 180px;
}

.empty-state p {
  margin: 0 0 var(--space-2);
  color: var(--color-text-secondary);
  font-size: var(--font-small);
}

.empty-visual {
  display: grid;
  width: 56px;
  height: 56px;
  margin-bottom: var(--space-1);
  place-items: center;
  color: var(--color-text-disabled);
  background: var(--color-fill-hover);
  border-radius: 50%;
}

.empty-visual svg {
  width: 26px;
  height: 26px;
}

.alert {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  padding: var(--space-3) var(--space-4);
  border: 1px solid;
  border-radius: var(--radius-card);
}

.alert > svg {
  margin-top: 2px;
}

.alert > div {
  display: flex;
  flex-direction: column;
}

.alert span {
  font-size: var(--font-small);
}

.alert-error {
  color: var(--color-error-alert-text);
  background: var(--color-error-soft);
  border-color: var(--color-error-border);
}

.alert-success {
  color: var(--color-success-alert-text);
  background: var(--color-success-soft);
  border-color: var(--color-success-border);
}

.profile-segmented {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
  padding: var(--space-1);
  overflow-x: auto;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
}

.profile-segmented button {
  display: inline-flex;
  min-height: var(--control-height-lg);
  flex: 1;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0 var(--space-4);
  color: var(--color-text-secondary);
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-control);
  cursor: pointer;
  white-space: nowrap;
}

.profile-segmented button:hover {
  color: var(--color-primary);
  background: var(--color-primary-soft);
}

.profile-segmented button.active {
  color: var(--color-primary);
  background: var(--color-primary-soft);
  border-color: var(--color-primary-border);
}

.profile-dot {
  width: var(--space-2);
  height: var(--space-2);
  background: currentColor;
  border-radius: 50%;
}

.settings-form,
.editor-form {
  padding-bottom: 72px;
}

.settings-panel,
.form-panel {
  overflow: hidden;
}

.settings-section {
  border-top: 1px solid var(--color-border);
}

.settings-section:first-of-type {
  border-top: 0;
}

.settings-section summary,
.reject-list summary {
  display: flex;
  min-height: 48px;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-4);
  cursor: pointer;
  list-style: none;
}

.settings-section summary::-webkit-details-marker,
.reject-list summary::-webkit-details-marker {
  display: none;
}

.settings-section summary > span {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.settings-section summary > svg,
.reject-list summary > svg {
  transition: transform var(--transition-fast);
}

.settings-section[open] summary > svg,
.reject-list[open] summary > svg {
  transform: rotate(180deg);
}

.settings-section-body {
  padding: 0 var(--space-4) var(--space-4);
}

.settings-section-body .field {
  min-width: 0;
}

.code-input {
  font-family: var(--font-mono);
  font-size: var(--font-small);
  line-height: 20px;
}

.compact-textarea {
  max-width: 640px;
}

.settings-grid {
  padding: 0 var(--space-4);
}

.setting-row {
  display: flex;
  min-height: 72px;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  border-bottom: 1px solid var(--color-border);
}

.setting-row:last-child {
  border-bottom: 0;
}

.setting-copy {
  display: flex;
  flex-direction: column;
}

.setting-copy span {
  color: var(--color-text-secondary);
  font-size: var(--font-small);
}

.compact-field {
  min-width: 160px;
  max-width: 220px;
}

.number-input {
  display: flex;
  height: var(--control-height);
  align-items: center;
  overflow: hidden;
}

.number-input input {
  min-width: 0;
  flex: 1;
  border: 0;
  box-shadow: none !important;
}

.number-input span {
  padding: 0 var(--space-3);
  color: var(--color-text-secondary);
  background: var(--color-fill);
  border-left: 1px solid var(--color-border-strong);
  font-size: var(--font-small);
  line-height: var(--control-height);
}

.switch-control {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  cursor: pointer;
  white-space: nowrap;
}

.switch-control input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.switch-control > span {
  position: relative;
  width: 40px;
  height: 22px;
  background: var(--color-neutral);
  border-radius: 11px;
}

.switch-control > span::after {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 18px;
  height: 18px;
  content: "";
  background: var(--color-surface);
  border-radius: 50%;
  box-shadow: var(--shadow-switch-knob);
  transition: transform var(--transition-fast);
}

.switch-control input:checked + span {
  background: var(--color-primary);
}

.switch-control input:checked + span::after {
  transform: translateX(18px);
}

.switch-control input:focus-visible + span {
  outline: 2px solid var(--color-primary-focus);
  outline-offset: 2px;
}

.switch-control b {
  font-size: var(--font-small);
  font-weight: 500;
}

/* WHY: the command bar closes each long form without covering editable fields at any viewport. */
.sticky-save-bar {
  position: sticky;
  bottom: var(--space-4);
  z-index: var(--z-sticky);
  display: flex;
  min-height: 56px;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  margin-top: var(--space-4);
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface-glass-strong);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-overlay);
}

.sticky-save-bar > div {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text-secondary);
  font-size: var(--font-small);
}

.sticky-save-bar > div > svg {
  color: var(--color-primary);
}

.form-panel {
  padding-bottom: var(--space-4);
}

.section-icon {
  color: var(--color-text-tertiary);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-4);
  padding: var(--space-4);
}

.field-span-2 {
  grid-column: span 2;
}

.field-span-3 {
  grid-column: 1 / -1;
}

.upload-panel {
  overflow: hidden;
}

.upload-form {
  padding: var(--space-4);
}

.upload-options {
  max-width: 360px;
  margin-bottom: var(--space-4);
}

.drop-zone {
  display: flex;
  min-height: 240px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: var(--space-2);
  color: var(--color-text-secondary);
  background: var(--color-fill);
  border: 1px dashed var(--color-border-strong);
  border-radius: var(--radius-card);
  cursor: pointer;
}

.drop-zone:hover,
.drop-zone.dragging {
  background: var(--color-primary-soft);
  border-color: var(--color-primary);
}

.drop-zone input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.drop-zone > span:not(.button):not(.upload-icon) {
  font-size: var(--font-small);
}

.upload-icon {
  display: grid;
  width: 56px;
  height: 56px;
  place-items: center;
  color: var(--color-primary);
  background: var(--color-primary-soft);
  border-radius: 50%;
}

.upload-icon svg {
  width: 26px;
  height: 26px;
}

.upload-progress {
  margin-top: var(--space-4);
}

.upload-progress > div {
  display: flex;
  justify-content: space-between;
  margin-bottom: var(--space-2);
  color: var(--color-text-secondary);
  font-size: var(--font-small);
}

.upload-progress progress {
  width: 100%;
  height: var(--space-2);
  overflow: hidden;
  appearance: none;
  border: 0;
  border-radius: var(--space-1);
}

.upload-progress progress::-webkit-progress-bar {
  background: var(--color-fill-hover);
}

.upload-progress progress::-webkit-progress-value {
  background: var(--color-primary);
}

.upload-progress progress::-moz-progress-bar {
  background: var(--color-primary);
}

.upload-submit {
  display: flex;
  justify-content: flex-end;
  margin-top: var(--space-4);
}

.reject-list {
  margin-bottom: var(--space-4);
  overflow: hidden;
  background: var(--color-error-soft);
  border: 1px solid var(--color-error-border);
  border-radius: var(--radius-card);
}

.reject-list pre {
  max-height: 240px;
  margin: 0;
  padding: var(--space-4);
  overflow: auto;
  border-top: 1px solid var(--color-error-border);
  font-family: var(--font-mono);
  font-size: var(--font-small);
  white-space: pre-wrap;
}

.format-panel {
  overflow: hidden;
}

.format-layout {
  display: grid;
  grid-template-columns: minmax(260px, 0.8fr) minmax(0, 1.2fr);
  gap: var(--space-4);
  padding: var(--space-4);
}

.field-table {
  display: flex;
  flex-direction: column;
}

.field-table > div {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: var(--space-3);
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--color-border);
}

.field-table span {
  color: var(--color-text-secondary);
  font-size: var(--font-small);
}

.code-block {
  min-width: 0;
  margin: 0;
  padding: var(--space-4);
  overflow: auto;
  color: var(--color-code-text);
  background: var(--color-code-surface);
  border-radius: var(--radius-card);
  font-family: var(--font-mono);
  font-size: var(--font-small);
  white-space: pre-wrap;
  word-break: break-word;
}

.toast-region {
  position: fixed;
  z-index: 90;
  right: var(--space-6);
  bottom: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  pointer-events: none;
}

.toast {
  display: flex;
  min-width: 240px;
  max-width: 360px;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-overlay);
  opacity: 0;
  transform: translateY(var(--space-2));
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.toast.visible {
  opacity: 1;
  transform: translateY(0);
}

.sidebar-overlay {
  display: none;
}

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

body.sidebar-collapsed .app-frame {
  margin-left: var(--sidebar-collapsed);
}

body.sidebar-collapsed .brand {
  justify-content: center;
  padding: 0;
}

body.sidebar-collapsed .brand-copy,
body.sidebar-collapsed .nav-item span,
body.sidebar-collapsed .nav-group-label,
body.sidebar-collapsed .sidebar-footer-copy {
  display: none;
}

body.sidebar-collapsed .nav-item {
  justify-content: center;
  padding: 0;
}

body.sidebar-collapsed .sidebar-footer {
  justify-content: center;
  padding: var(--space-3);
}

@media (max-width: 1200px) {
  .stat-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .material-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .category-tabs {
    display: none;
  }
}

/* WHY: tablet layouts switch to an overlay navigation so the work surface retains full width. */
@media (max-width: 900px) {
  :root {
    --content-gutter: 16px;
  }

  .sidebar {
    width: var(--sidebar-width);
    transform: translateX(-100%);
  }

  .app-frame,
  body.sidebar-collapsed .app-frame {
    margin-left: 0;
  }

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

  body.sidebar-collapsed .brand {
    justify-content: flex-start;
    padding: 0 var(--space-4);
  }

  body.sidebar-collapsed .brand-copy,
  body.sidebar-collapsed .nav-item span,
  body.sidebar-collapsed .nav-group-label,
  body.sidebar-collapsed .sidebar-footer-copy {
    display: flex;
  }

  body.sidebar-collapsed .nav-group-label {
    display: block;
  }

  body.sidebar-collapsed .nav-item {
    justify-content: flex-start;
    padding: 0 var(--space-3);
  }

  body.sidebar-collapsed .sidebar-footer {
    justify-content: flex-start;
    padding: var(--space-3) var(--space-6);
  }

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

  .sidebar-overlay {
    position: fixed;
    z-index: var(--z-overlay);
    inset: 0;
    display: block;
    opacity: 0;
    background: var(--color-overlay-mobile);
    pointer-events: none;
    transition: opacity var(--transition-fast);
  }

  body.mobile-sidebar-open .sidebar-overlay {
    opacity: 1;
    pointer-events: auto;
  }

  .filter-form {
    flex-wrap: wrap;
  }

  .filter-form .field {
    min-width: calc(50% - var(--space-2));
    flex: 1;
  }

  .filter-actions {
    width: 100%;
    justify-content: flex-end;
  }

  .material-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .format-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .topbar {
    padding: 0 var(--space-3);
  }

  .topbar-product span,
  .operator-copy,
  .topbar-end .topbar-divider {
    display: none;
  }

  .content {
    padding: var(--space-3) var(--space-3) var(--space-8);
  }

  .page-title-row {
    align-items: stretch;
    flex-direction: column;
    gap: var(--space-3);
  }

  .page-actions {
    width: 100%;
  }

  .page-actions .button {
    flex: 1;
  }

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

  .stat-card {
    padding: var(--space-3);
  }

  .panel-header,
  .panel-toolbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .panel-toolbar .toolbar-actions,
  .panel-toolbar .segmented {
    align-self: stretch;
  }

  .toolbar-start {
    width: 100%;
    flex-wrap: wrap;
  }

  .toolbar-actions {
    width: 100%;
    justify-content: flex-end;
  }

  .filter-form {
    align-items: stretch;
    flex-direction: column;
  }

  .filter-form .field {
    width: 100%;
    min-width: 0;
  }

  .checkbox-field {
    align-self: flex-start;
  }

  .filter-actions .button {
    flex: 1;
  }

  .legend,
  .status-legend {
    flex-wrap: wrap;
  }

  .chart-frame,
  .chart-frame-large {
    height: 280px;
    min-height: 280px;
    padding: var(--space-3);
  }

  .pagination-bar {
    align-items: flex-start;
    flex-direction: column;
  }

  .pagination {
    align-self: flex-end;
  }

  .profile-segmented {
    flex-direction: column;
  }

  .profile-segmented button {
    justify-content: flex-start;
  }

  .setting-row {
    align-items: flex-start;
    flex-direction: column;
    gap: var(--space-3);
    padding: var(--space-3) 0;
  }

  .compact-field {
    width: 100%;
    max-width: none;
  }

  .sticky-save-bar {
    bottom: var(--space-2);
    align-items: stretch;
    flex-direction: column;
  }

  .sticky-save-bar > div:not(.save-actions) {
    display: none;
  }

  .sticky-save-bar .button,
  .save-actions {
    flex: 1;
  }

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

  .field-span-2,
  .field-span-3 {
    grid-column: auto;
  }

  .drop-zone {
    min-height: 210px;
    padding: var(--space-4);
  }

  .field-table > div {
    grid-template-columns: 110px 1fr;
  }

  .toast-region {
    right: var(--space-3);
    bottom: var(--space-3);
    left: var(--space-3);
  }

  .toast {
    width: 100%;
    min-width: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}

/* WHY: authentication is visually separate from the work surface while sharing its exact tokens. */
.login-page {
  background: var(--color-surface);
}

.login-shell {
  display: grid;
  min-height: 100vh;
  min-height: 100dvh;
  grid-template-columns: minmax(var(--login-panel-min), var(--login-brand-width)) minmax(0, 1fr);
}

.login-brand-panel {
  display: flex;
  min-width: 0;
  flex-direction: column;
  padding: calc(var(--space-8) + var(--space-4));
  color: var(--color-sidebar-strong);
  background: var(--color-sidebar);
}

.login-brand-header,
.login-brand-footer,
.login-heading,
.login-context-list > div,
.login-security-note {
  display: flex;
  align-items: center;
}

.login-brand-header {
  gap: var(--space-3);
}

.login-brand-mark {
  display: grid;
  width: var(--login-mark-size);
  height: var(--login-mark-size);
  flex: 0 0 var(--login-mark-size);
  place-items: center;
  background: var(--color-primary);
  border-radius: var(--radius-card);
}

.login-brand-mark svg {
  width: var(--space-6);
  height: var(--space-6);
}

.login-brand-copy {
  display: flex;
  min-width: 0;
  flex-direction: column;
}

.login-brand-copy strong {
  font-size: var(--font-page-title);
  line-height: var(--space-6);
}

.login-brand-copy small,
.login-brand-content p,
.login-context-list small,
.login-brand-footer {
  color: var(--color-sidebar-text);
}

.login-brand-copy small,
.login-context-list small,
.login-brand-footer {
  font-size: var(--font-small);
}

.login-brand-content {
  width: 100%;
  max-width: calc(var(--login-form-width) + var(--space-8));
  margin: auto 0;
}

.login-eyebrow {
  display: inline-block;
  margin-bottom: var(--space-3);
  color: var(--color-primary-hover);
  font-size: var(--font-small);
  font-weight: 600;
}

.login-brand-content h1 {
  margin: 0;
  font-size: var(--font-metric);
  font-weight: 600;
  line-height: 1.35;
}

.login-brand-content > p {
  max-width: var(--login-form-width);
  margin: var(--space-3) 0 var(--space-8);
}

.login-context-list {
  border-top: 1px solid var(--color-sidebar-border);
  border-bottom: 1px solid var(--color-sidebar-border);
}

.login-context-list > div {
  min-height: 68px;
  gap: var(--space-3);
  border-bottom: 1px solid var(--color-sidebar-border);
}

.login-context-list > div:last-child {
  border-bottom: 0;
}

.login-context-list > div > span {
  display: grid;
  width: var(--control-height-lg);
  height: var(--control-height-lg);
  flex: 0 0 var(--control-height-lg);
  place-items: center;
  color: var(--color-primary-hover);
  background: var(--color-sidebar-hover);
  border-radius: var(--radius-control);
}

.login-context-list p {
  display: flex;
  margin: 0;
  flex-direction: column;
}

.login-context-list strong {
  color: var(--color-sidebar-strong);
  font-size: var(--font-body);
  font-weight: 500;
}

.login-brand-footer {
  gap: var(--space-2);
}

.login-form-panel {
  display: grid;
  min-width: 0;
  place-items: center;
  padding: calc(var(--space-8) + var(--space-4));
  background: var(--color-bg);
}

.login-form-wrap {
  width: min(100%, var(--login-form-width));
}

.login-heading {
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}

.login-heading-icon {
  display: grid;
  width: var(--login-mark-size);
  height: var(--login-mark-size);
  flex: 0 0 var(--login-mark-size);
  place-items: center;
  color: var(--color-primary);
  background: var(--color-primary-soft);
  border-radius: var(--radius-card);
}

.login-heading h2,
.login-heading p {
  margin: 0;
}

.login-heading h2 {
  font-size: 24px;
  line-height: var(--space-8);
}

.login-heading p {
  color: var(--color-text-secondary);
  font-size: var(--font-small);
}

.login-alert {
  margin-bottom: var(--space-6);
}

.login-form-wrap > form {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.login-form-wrap > form .field {
  min-width: 0;
  gap: var(--space-2);
}

.login-form-wrap > form .field > label {
  color: var(--color-text);
  font-size: var(--font-body);
  font-weight: 500;
}

.login-form-wrap > form .field input,
.login-submit {
  height: var(--control-height-lg);
}

.login-submit {
  width: 100%;
  margin-top: var(--space-2);
  font-weight: 500;
}

.login-security-note {
  justify-content: center;
  gap: var(--space-2);
  margin: var(--space-6) 0 0;
  color: var(--color-text-tertiary);
  font-size: var(--font-small);
}

.logout-form {
  display: flex;
  margin: 0;
}

.topbar-logout {
  color: var(--color-text-secondary);
}

@media (max-width: 900px) {
  .login-shell {
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: auto minmax(0, 1fr);
  }

  .login-brand-panel {
    min-height: 184px;
    padding: var(--space-6);
  }

  .login-brand-content {
    margin: var(--space-6) 0 0;
  }

  .login-brand-content > p {
    margin: var(--space-2) 0 0;
  }

  .login-context-list,
  .login-brand-footer,
  .login-eyebrow {
    display: none;
  }

  .login-form-panel {
    align-items: start;
    padding: var(--space-8) var(--space-6);
  }
}

@media (max-width: 640px) {
  .login-brand-panel {
    min-height: 160px;
    padding: var(--space-6) var(--space-4);
  }

  .login-brand-content {
    margin-top: var(--space-4);
  }

  .login-brand-content h1 {
    font-size: 24px;
  }

  .login-form-panel {
    padding: var(--space-6) var(--space-4);
  }

  .login-heading {
    margin-bottom: var(--space-4);
  }

  .topbar-logout {
    width: var(--icon-button-size);
    padding: 0;
  }

  .topbar-logout span {
    display: none;
  }
}

/* WHY: the overview keeps the chart dominant while operational state remains scannable. */
.dashboard-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) var(--preview-width);
  gap: var(--space-4);
}

.dashboard-main-panel,
.health-panel {
  min-width: 0;
}

.health-list {
  display: flex;
  flex-direction: column;
  padding: 0 var(--space-4) var(--space-2);
}

.health-item {
  display: grid;
  min-height: 66px;
  grid-template-columns: var(--control-height-lg) minmax(0, 1fr) var(--icon-size);
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text);
  border-bottom: 1px solid var(--color-border);
}

.health-item:last-child {
  border-bottom: 0;
}

.health-item:hover {
  color: var(--color-primary);
}

.health-item > span:nth-child(2) {
  display: flex;
  min-width: 0;
  flex-direction: column;
}

.health-item small {
  color: var(--color-text-tertiary);
  font-size: var(--font-small);
}

.health-icon {
  display: grid;
  width: var(--control-height-lg);
  height: var(--control-height-lg);
  place-items: center;
  border-radius: var(--radius-control);
}

.mini-stat-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}

.mini-stat {
  display: grid;
  min-height: 88px;
  align-content: center;
  gap: var(--space-1);
  padding: var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
}

.mini-stat > span,
.mini-stat small {
  color: var(--color-text-secondary);
  font-size: var(--font-small);
}

.mini-stat strong {
  font-size: 24px;
  font-variant-numeric: tabular-nums;
  line-height: 30px;
}

/* WHY: the editor preview remains visible without nesting cards or shrinking the form fields. */
.editor-layout,
.settings-with-preview {
  display: grid;
  grid-template-columns: minmax(0, 1fr) var(--preview-width);
  align-items: start;
  gap: var(--space-4);
}

.editor-stack {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: var(--space-4);
}

.editor-stack > .panel {
  margin-bottom: 0;
}

.message-preview-panel {
  min-width: 0;
  overflow: hidden;
}

.sticky-preview {
  position: sticky;
  top: calc(var(--topbar-height) + var(--content-gutter));
}

.compact-upload {
  display: grid;
  min-height: 72px;
  grid-template-columns: var(--control-height-lg) minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--color-fill);
  border: 1px dashed var(--color-border-strong);
  border-radius: var(--radius-control);
  cursor: pointer;
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

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

.compact-upload:hover,
.compact-upload.dragging {
  background: var(--color-primary-soft);
  border-color: var(--color-primary);
}

.compact-upload > span:nth-child(2) {
  display: flex;
  min-width: 0;
  flex-direction: column;
}

.compact-upload small {
  color: var(--color-text-tertiary);
  font-size: var(--font-small);
}

.compact-upload-icon {
  display: grid;
  width: var(--control-height-lg);
  height: var(--control-height-lg);
  place-items: center;
  color: var(--color-primary);
  background: var(--color-primary-soft);
  border-radius: var(--radius-control);
}

.form-divider {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text-tertiary);
  font-size: var(--font-small);
}

.form-divider::before,
.form-divider::after {
  height: 1px;
  flex: 1;
  content: "";
  background: var(--color-border);
}

.telegram-preview,
.telegram-device {
  background: var(--color-chat-bg);
}

.telegram-preview {
  margin: 0 var(--space-4) var(--space-4);
  padding: var(--space-4);
  border-radius: var(--radius-card);
}

.telegram-preview-media {
  display: grid;
  min-height: 176px;
  place-items: center;
  align-content: center;
  gap: var(--space-2);
  color: var(--color-text-tertiary);
  background: var(--color-fill);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-control) var(--radius-control) 0 0;
}

.telegram-preview-media svg {
  width: var(--control-height);
  height: var(--control-height);
}

.telegram-preview-copy {
  padding: var(--space-3);
  background: var(--color-chat-bubble);
}

.telegram-preview-copy p {
  margin: var(--space-1) 0 0;
  color: var(--color-text-secondary);
  white-space: pre-wrap;
  word-break: break-word;
}

.telegram-preview-buttons,
.reply-keyboard-preview {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
}

.telegram-button-row {
  display: flex;
  width: 100%;
  gap: var(--space-1);
}

.telegram-button-row .telegram-button {
  flex: 1;
}

.telegram-preview > .telegram-preview-buttons {
  padding: var(--space-1);
  background: var(--color-chat-bubble);
  border-radius: 0 0 var(--radius-control) var(--radius-control);
}

.telegram-button {
  display: inline-flex;
  min-height: var(--control-height);
  align-items: center;
  justify-content: center;
  padding: 0 var(--space-3);
  color: var(--color-surface);
  background: var(--color-telegram-primary);
  border-radius: var(--radius-control);
  font-size: var(--font-small);
  font-weight: 600;
  text-align: center;
}

.telegram-success {
  background: var(--color-telegram-success);
}

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

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

.telegram-device {
  margin: 0 var(--space-4) var(--space-4);
  overflow: hidden;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-card);
}

.telegram-device-head {
  display: grid;
  min-height: 48px;
  grid-template-columns: var(--icon-size) minmax(0, 1fr) var(--icon-size);
  align-items: center;
  padding: 0 var(--space-3);
  background: var(--color-surface);
  text-align: center;
}

.telegram-chat-preview {
  display: flex;
  min-height: 280px;
  align-items: flex-end;
  padding: var(--space-4) var(--space-3);
}

.telegram-bubble {
  width: 92%;
  padding: var(--space-3);
  background: var(--color-chat-bubble);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
}

.telegram-bubble p {
  margin: 0 0 var(--space-2);
  white-space: pre-wrap;
  word-break: break-word;
}

.telegram-bubble time {
  display: block;
  margin-top: var(--space-1);
  color: var(--color-text-tertiary);
  font-size: var(--font-small);
  text-align: right;
}

.reply-keyboard-preview {
  padding: var(--space-1);
  background: var(--color-fill-hover);
  border-top: 1px solid var(--color-border-strong);
}

.reply-keyboard-preview .telegram-button {
  flex: 1 1 42%;
}

.keyboard-options {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr)) minmax(var(--config-wide-min), 1.4fr);
  gap: var(--space-3);
  padding: var(--space-4);
  border-bottom: 1px solid var(--color-border);
}

.keyboard-options .switch-control {
  align-content: center;
  flex-wrap: wrap;
}

.keyboard-options .switch-control em {
  width: 100%;
  color: var(--color-text-tertiary);
  font-size: var(--font-small);
  font-style: normal;
}

.keyboard-placeholder {
  min-width: 0;
}

/* WHY: repeaters use a stable grid so editable values do not jump as rows are added. */
.config-table-scroll {
  position: relative;
  width: 100%;
  overflow-x: auto;
}

.config-table {
  min-width: 980px;
}

.config-table-head,
.config-table-row {
  display: grid;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
}

.channel-config-table .config-table-head,
.channel-config-table .config-table-row {
  grid-template-columns: minmax(var(--config-wide-min), 1.4fr) minmax(var(--config-field-min), 1fr) minmax(var(--config-wide-min), 1.3fr) var(--config-select-track) minmax(var(--config-field-min), 1fr) var(--config-row-track) var(--config-action-track);
}

.inline-button-table .config-table-head,
.inline-button-table .config-table-row {
  grid-template-columns: minmax(var(--config-field-min), 1fr) minmax(var(--config-wide-min), 1.5fr) var(--config-select-track) minmax(var(--config-field-min), 1fr) var(--config-row-track) var(--config-action-track);
}

.reply-button-table .config-table-head,
.reply-button-table .config-table-row {
  grid-template-columns: minmax(var(--config-field-min), 1fr) var(--config-field-min) minmax(var(--config-wide-min), 1.2fr) var(--config-select-track) minmax(var(--config-field-min), 1fr) var(--config-row-track) var(--config-action-track);
}

.config-table-head {
  min-height: var(--control-height-lg);
  color: var(--color-text-secondary);
  background: var(--color-fill);
  border-bottom: 1px solid var(--color-border);
  font-size: var(--font-small);
  font-weight: 600;
}

.config-table-row {
  min-height: 64px;
  border-bottom: 1px solid var(--color-border);
}

.config-table-row:hover {
  background: var(--color-row-hover);
}

.config-table-row > div,
.stacked-fields {
  min-width: 0;
}

.config-table-row input,
.config-table-row select {
  width: 100%;
  height: var(--control-height);
  padding: 0 var(--space-2);
  background: var(--color-surface);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-control);
  outline: none;
}

.config-table-row input:hover,
.config-table-row select:hover {
  border-color: var(--color-primary-hover);
}

.config-table-row input:focus,
.config-table-row select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px var(--color-primary-focus-shadow);
}

.stacked-fields {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.repeater-empty {
  display: flex;
  min-height: 220px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-6);
  text-align: center;
}

.repeater-empty p {
  margin: 0 0 var(--space-2);
  color: var(--color-text-secondary);
  font-size: var(--font-small);
}

.danger-ghost:hover,
.danger-ghost:focus-visible {
  color: var(--color-error);
  background: var(--color-error-soft);
  border-color: var(--color-error-border);
}

.button-danger {
  color: var(--color-surface);
  background: var(--color-error);
  border-color: var(--color-error);
}

.button-danger:hover,
.button-danger:focus-visible {
  color: var(--color-surface);
  background: var(--color-error-text);
  border-color: var(--color-error-text);
}

.success-ghost:hover,
.success-ghost:focus-visible {
  color: var(--color-success);
  background: var(--color-success-soft);
  border-color: var(--color-success-border);
}

.channel-flow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  padding: var(--space-6);
  border-top: 1px solid var(--color-border);
}

.flow-step {
  display: flex;
  min-width: var(--config-field-min);
  align-items: center;
  gap: var(--space-3);
}

.flow-step > span {
  display: grid;
  width: var(--control-height);
  height: var(--control-height);
  flex: 0 0 var(--control-height);
  place-items: center;
  color: var(--color-primary);
  background: var(--color-primary-soft);
  border-radius: 50%;
  font-weight: 600;
}

.flow-step > div {
  display: flex;
  flex-direction: column;
}

.flow-step small {
  color: var(--color-text-tertiary);
  font-size: var(--font-small);
}

.feature-status-band {
  display: grid;
  min-height: 88px;
  grid-template-columns: var(--control-height-lg) minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
  padding: var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-left: var(--space-1) solid var(--color-neutral);
  border-radius: var(--radius-card);
}

.feature-status-band.enabled {
  border-left-color: var(--color-success);
}

.feature-status-band > div p {
  margin: var(--space-1) 0 0;
  color: var(--color-text-secondary);
  font-size: var(--font-small);
}

.feature-status-icon,
.admin-guidance-icon {
  display: grid;
  width: var(--control-height-lg);
  height: var(--control-height-lg);
  place-items: center;
  color: var(--color-primary);
  background: var(--color-primary-soft);
  border-radius: var(--radius-control);
}

.locked-switch {
  opacity: 0.72;
  cursor: default;
}

.positive-number {
  color: var(--color-success-text) !important;
}

.negative-number {
  color: var(--color-error-text) !important;
}

.transaction-type {
  display: inline-flex;
  min-height: 24px;
  align-items: center;
  padding: 0 var(--space-2);
  color: var(--color-text-secondary);
  background: var(--color-fill-hover);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-control);
  font-size: var(--font-small);
}

.rank-number {
  display: grid;
  width: 24px;
  height: 24px;
  place-items: center;
  color: var(--color-text-secondary);
  background: var(--color-fill-hover);
  border-radius: var(--radius-control);
  font-size: var(--font-small);
  font-variant-numeric: tabular-nums;
}

.rank-top {
  color: var(--color-primary-active);
  background: var(--color-primary-soft);
  font-weight: 600;
}

.transaction-referral_reward,
.transaction-withdrawal_reject {
  color: var(--color-success-text);
  background: var(--color-success-soft);
  border-color: var(--color-success-border);
}

.transaction-referral_revoke,
.transaction-withdrawal_approve {
  color: var(--color-error-text);
  background: var(--color-error-soft);
  border-color: var(--color-error-border);
}

.inline-select-form select {
  width: var(--config-select-track);
  height: var(--icon-button-size);
  padding: 0 var(--space-2);
  background: var(--color-surface);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-control);
  outline: none;
  font-size: var(--font-small);
}

.tag-error-soft {
  color: var(--color-error-text);
  background: var(--color-error-soft);
  border: 1px solid var(--color-error-border);
}

.admin-guidance {
  display: flex;
  min-height: 164px;
  align-items: flex-start;
  justify-content: center;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-4);
  background: var(--color-fill);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
}

.admin-guidance p {
  margin: 0;
  color: var(--color-text-secondary);
  font-size: var(--font-small);
}

.admin-guidance a {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
}

.description-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--color-border);
}

.description-list > div {
  display: flex;
  min-height: 52px;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: 0 var(--space-4);
  border-right: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.description-list > div:nth-child(even) {
  border-right: 0;
}

.description-list span {
  color: var(--color-text-secondary);
}

.status-inline {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.status-inline > i {
  width: 6px;
  height: 6px;
  background: var(--color-success);
  border-radius: 50%;
}

.app-dialog {
  width: min(calc(100vw - var(--space-8)), var(--dialog-width));
  max-height: calc(100vh - var(--space-8));
  padding: 0;
  overflow: auto;
  background: var(--color-surface);
  border: 0;
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-overlay);
}

.app-dialog::backdrop {
  background: var(--color-overlay-mobile);
}

.dialog-form > header,
.dialog-form > footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-4);
}

.dialog-form > header {
  border-bottom: 1px solid var(--color-border);
}

.dialog-form > header > div {
  display: flex;
  flex-direction: column;
}

.dialog-form > header h2,
.dialog-form > header p {
  margin: 0;
}

.dialog-form > header h2 {
  font-size: var(--font-page-title);
}

.dialog-form > header p {
  color: var(--color-text-secondary);
  font-size: var(--font-small);
}

.dialog-body {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  padding: var(--space-4);
}

.dialog-form > footer {
  justify-content: flex-end;
  background: var(--color-fill);
  border-top: 1px solid var(--color-border);
}

.dialog-grid {
  padding: 0;
}

.review-result-preview {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3);
  color: var(--color-success-alert-text);
  background: var(--color-success-soft);
  border: 1px solid var(--color-success-border);
  border-radius: var(--radius-control);
}

.review-result-preview.reject {
  color: var(--color-error-alert-text);
  background: var(--color-error-soft);
  border-color: var(--color-error-border);
}

/* WHY: reward rules and their effective ladder remain visible together for fast operational checks. */
.checkin-settings-form {
  padding-bottom: 0;
  margin-bottom: var(--space-4);
  scroll-margin-top: calc(var(--topbar-height) + var(--space-4));
}

.checkin-config-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(var(--checkin-preview-min), 0.85fr);
  align-items: start;
  gap: var(--space-4);
}

.checkin-config-layout > .panel {
  min-width: 0;
  margin-bottom: 0;
}

.timezone-value,
.streak-days {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  white-space: nowrap;
}

.timezone-value {
  color: var(--color-text-secondary);
  font-family: var(--font-mono);
  font-size: var(--font-small);
}

.reward-ladder {
  margin: 0;
  padding: 0 var(--space-4);
  list-style: none;
}

.reward-ladder li {
  display: grid;
  min-height: 48px;
  grid-template-columns: var(--config-row-track) minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--space-3);
  border-bottom: 1px solid var(--color-border);
}

.reward-ladder li:last-child {
  border-bottom: 0;
}

.reward-step-day {
  color: var(--color-text);
  font-weight: 500;
}

.reward-step-rule {
  overflow: hidden;
  color: var(--color-text-tertiary);
  font-family: var(--font-mono);
  font-size: var(--font-small);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.reward-ladder strong {
  color: var(--color-success-text);
  font-variant-numeric: tabular-nums;
}

.reward-cap-note {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  margin: var(--space-3) var(--space-4) var(--space-4);
  padding: var(--space-3);
  color: var(--color-text-secondary);
  background: var(--color-fill);
  border-top: 1px solid var(--color-border);
  font-size: var(--font-small);
}

.reward-cap-note > svg {
  margin-top: 2px;
  color: var(--color-success);
}

.reward-cap-note strong {
  color: var(--color-text);
  font-variant-numeric: tabular-nums;
}

/* WHY: native progress elements keep distribution proportional without inline style values. */
.streak-distribution {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 var(--space-6);
  padding: var(--space-2) var(--space-4) var(--space-4);
}

.streak-distribution-row {
  display: grid;
  min-height: 52px;
  grid-template-columns: var(--checkin-label-track) minmax(var(--config-row-track), 1fr) calc(var(--config-action-track) + var(--space-1)) var(--control-height-lg);
  align-items: center;
  gap: var(--space-3);
  border-bottom: 1px solid var(--color-border);
}

.streak-distribution-row > span {
  color: var(--color-text-secondary);
}

.streak-distribution-row > strong,
.streak-distribution-row > small {
  font-variant-numeric: tabular-nums;
  text-align: right;
}

.streak-distribution-row > small {
  color: var(--color-text-tertiary);
  font-size: var(--font-small);
}

.streak-distribution-row progress {
  width: 100%;
  height: var(--space-2);
  overflow: hidden;
  appearance: none;
  background: var(--color-fill-hover);
  border: 0;
  border-radius: var(--radius-control);
}

.streak-distribution-row progress::-webkit-progress-bar {
  background: var(--color-fill-hover);
  border-radius: var(--radius-control);
}

.streak-distribution-row progress::-webkit-progress-value {
  background: var(--color-primary);
  border-radius: var(--radius-control);
}

.streak-distribution-row progress::-moz-progress-bar {
  background: var(--color-primary);
  border-radius: var(--radius-control);
}

.checkin-filter-form .field:not(.field-grow) {
  min-width: var(--config-field-min);
}

.checkin-filter-form .checkin-streak-filter {
  min-width: var(--config-select-track);
  max-width: var(--config-field-min);
}

.checkin-table {
  min-width: var(--checkin-table-min);
}

.streak-days {
  justify-content: flex-end;
  color: var(--color-warning-text);
}

.streak-days > svg {
  width: 14px;
  height: 14px;
}

.streak-days > span {
  color: var(--color-text-tertiary);
  font-size: var(--font-small);
}

@media (max-width: 1200px) {
  .dashboard-grid,
  .editor-layout,
  .settings-with-preview,
  .checkin-config-layout {
    grid-template-columns: minmax(0, 1fr);
  }

  .sticky-preview {
    position: static;
  }

  .message-preview-panel {
    max-width: 720px;
  }

  .keyboard-options {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  .mini-stat-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .streak-distribution {
    grid-template-columns: minmax(0, 1fr);
  }

  .channel-flow {
    justify-content: flex-start;
    overflow-x: auto;
  }

  .flow-step {
    flex: 0 0 auto;
  }
}

@media (max-width: 640px) {
  .mini-stat-grid,
  .keyboard-options,
  .description-list {
    grid-template-columns: minmax(0, 1fr);
  }

  /* WHY: a viewport-pinned action obscures rule fields on narrow screens. */
  .checkin-settings-form .sticky-save-bar {
    position: static;
  }

  .description-list > div,
  .description-list > div:nth-child(even) {
    border-right: 0;
  }

  .compact-upload {
    grid-template-columns: var(--control-height-lg) minmax(0, 1fr);
  }

  .compact-upload > .button {
    display: none;
  }

  .feature-status-band {
    grid-template-columns: var(--control-height-lg) minmax(0, 1fr);
  }

  .feature-status-band > .status-badge {
    grid-column: 2;
  }

  .message-preview-panel {
    width: 100%;
  }

  .panel-header > .section-icon {
    display: none;
  }

  .channel-flow {
    align-items: stretch;
    flex-direction: column;
    overflow: visible;
  }

  .channel-flow > svg {
    align-self: center;
    transform: rotate(90deg);
  }

  .flow-step {
    width: 100%;
    min-width: 0;
  }

  .reward-ladder li {
    grid-template-columns: var(--config-row-track) minmax(0, 1fr) auto;
    gap: var(--space-2);
  }

  .streak-distribution-row {
    grid-template-columns: var(--config-row-track) minmax(var(--config-row-track), 1fr) var(--config-action-track);
    gap: var(--space-2);
  }

  .streak-distribution-row > small {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}