:root {
  --v18-bg: #f4f7fb;
  --v18-bg-2: #edf3fb;
  --v18-panel: rgba(255, 255, 255, 0.9);
  --v18-panel-strong: rgba(255, 255, 255, 0.96);
  --v18-line: rgba(95, 121, 177, 0.14);
  --v18-line-strong: rgba(82, 112, 188, 0.22);
  --v18-text: #1f2b3d;
  --v18-text-soft: #617089;
  --v18-text-faint: #8a98b0;
  --v18-primary: #3f76ff;
  --v18-primary-strong: #2f62dc;
  --v18-warn: #e29d4d;
  --v18-success-soft: rgba(40, 177, 129, 0.12);
  --v18-danger: #d96f67;
  --v18-danger-soft: rgba(217, 111, 103, 0.14);
  --v18-shadow-xl: 0 22px 56px rgba(22, 40, 73, 0.08);
  --v18-shadow-lg: 0 14px 32px rgba(22, 40, 73, 0.07);
  --v18-shadow-md: 0 10px 22px rgba(22, 40, 73, 0.05);
  --v18-radius-2xl: 24px;
  --v18-radius-lg: 18px;
  --v18-radius-md: 14px;
  --v18-max: 1560px;
  --v18-transition: 180ms cubic-bezier(0.2, 0.72, 0.2, 1);
}

html {
  scroll-behavior: smooth;
}

body {
  color: var(--v18-text);
  background:
    radial-gradient(circle at 0 0, rgba(63, 118, 255, 0.08), transparent 28%),
    radial-gradient(circle at 100% 10%, rgba(26, 162, 200, 0.08), transparent 18%),
    linear-gradient(180deg, var(--v18-bg) 0%, var(--v18-bg-2) 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    linear-gradient(rgba(138, 152, 176, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(138, 152, 176, 0.06) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.34), transparent 86%);
  pointer-events: none;
  z-index: 0;
}

button,
input,
select,
textarea {
  font-family:
    "HarmonyOS Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei",
    "Noto Sans SC", sans-serif;
}

code,
pre,
.quota-value,
.summary-stat-value,
.toolbar-pill,
.status-pill,
.api-docs-code {
  font-family:
    "Cascadia Mono", "JetBrains Mono", "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

.v18-page-shell.page-shell {
  position: relative;
  width: min(var(--v18-max), calc(100% - 24px));
  margin: 0 auto;
  padding: 12px 0 24px;
  z-index: 1;
}

.v18-app-shell.app-shell {
  display: grid;
  gap: 14px;
}

.topbar-surface,
.studio-card,
.modal-dialog {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--v18-line);
  border-radius: var(--v18-radius-2xl);
  background: var(--v18-panel);
  box-shadow: var(--v18-shadow-xl);
  backdrop-filter: blur(18px);
}

.topbar-surface {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(300px, 360px) auto;
  gap: 14px;
  align-items: start;
  padding: 16px 18px;
  background:
    radial-gradient(circle at 100% 0, rgba(63, 118, 255, 0.1), transparent 22%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(247, 250, 255, 0.94));
}

.summary-strip,
.topbar-brand,
.topbar-actions,
.quota-head,
.panel-head,
.panel-actions-inline,
.toolbar-head-actions,
.table-toolbar-row,
.table-toolbar-left,
.table-toolbar-right,
.pagination-bar,
.pagination-group,
.detail-summary,
.support-grid,
.support-row,
.mail-card-top,
.row-actions,
.api-docs-tags,
.batch-action-grid,
.code-strip {
  display: flex;
  gap: 12px;
}

.topbar-brand {
  align-items: flex-start;
  min-width: 0;
}

.topbar-mark {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  border: 1px solid rgba(82, 112, 188, 0.16);
  background:
    radial-gradient(circle at 28% 28%, rgba(63, 118, 255, 0.34), transparent 34%),
    linear-gradient(135deg, rgba(87, 123, 218, 0.18), rgba(255, 255, 255, 0.96));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.88),
    0 10px 24px rgba(63, 118, 255, 0.14);
  flex: 0 0 auto;
}

.topbar-copy {
  min-width: 0;
}

.section-eyebrow,
.support-item-label,
.summary-label,
.summary-stat-label {
  margin: 0 0 4px;
  color: var(--v18-text-faint);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.topbar-copy h1,
.panel-head h2,
.modal-top h2 {
  margin: 0;
  color: var(--v18-text);
}

.topbar-copy h1 {
  font-size: clamp(22px, 2.2vw, 28px);
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.topbar-subtitle {
  margin: 6px 0 0;
  color: var(--v18-text-soft);
  font-size: 13px;
  line-height: 1.6;
}

.channel-link-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 12px;
}

.channel-link-chip {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 12px;
  border: 1px solid rgba(82, 112, 188, 0.14);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.84);
  color: #31507d;
  font-size: 12px;
  font-weight: 700;
  text-decoration: none;
  transition:
    transform var(--v18-transition),
    box-shadow var(--v18-transition),
    border-color var(--v18-transition),
    background-color var(--v18-transition),
    color var(--v18-transition);
}

.channel-link-chip:hover {
  transform: translateY(-1px);
  border-color: rgba(63, 118, 255, 0.22);
  background: rgba(240, 245, 255, 0.98);
  color: var(--v18-primary);
  box-shadow: var(--v18-shadow-md);
}

.channel-link-chip:focus-visible {
  outline: 2px solid rgba(63, 118, 255, 0.8);
  outline-offset: 2px;
}

.topbar-quota {
  display: grid;
  gap: 8px;
  padding: 14px 16px;
  border: 1px solid rgba(82, 112, 188, 0.14);
  border-radius: 20px;
  background:
    radial-gradient(circle at 100% 0, rgba(63, 118, 255, 0.12), transparent 32%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(246, 249, 255, 0.94));
}

.quota-head {
  align-items: center;
  justify-content: space-between;
}

.quota-label {
  color: var(--v18-text-soft);
  font-size: 12px;
  font-weight: 700;
}

.quota-badge,
.status-pill,
.toolbar-pill,
.table-toggle-all {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 14px;
  border: 1px solid rgba(82, 112, 188, 0.14);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.84);
  color: var(--v18-text);
  font-size: 12px;
  font-weight: 700;
}

.quota-badge {
  min-height: 28px;
  padding-inline: 10px;
  background: rgba(63, 118, 255, 0.08);
  color: var(--v18-primary);
  font-size: 11px;
}

.quota-value {
  font-size: clamp(24px, 2.6vw, 30px);
  line-height: 1;
  color: var(--v18-text);
}

.quota-note {
  margin: 0;
  color: var(--v18-text-soft);
  font-size: 12px;
  line-height: 1.55;
}

.topbar-actions {
  justify-content: flex-end;
  flex-wrap: wrap;
}

.summary-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.summary-stat-card {
  display: grid;
  gap: 8px;
  padding: 14px 16px;
  border: 1px solid var(--v18-line);
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(248, 251, 255, 0.88));
  box-shadow: var(--v18-shadow-md);
}

.summary-stat-value {
  color: var(--v18-text);
  font-size: clamp(24px, 2.4vw, 30px);
  line-height: 1;
  font-weight: 800;
}

.studio-card {
  padding: 16px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(248, 251, 255, 0.92));
}

.workspace-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.7fr) minmax(320px, 0.95fr);
  gap: 16px;
  align-items: start;
}

.side-stack {
  display: grid;
  gap: 16px;
}

.tool-panel {
  display: grid;
  gap: 14px;
  min-width: 0;
  padding: 16px;
  border: 1px solid var(--v18-line);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.74);
  box-shadow: var(--v18-shadow-md);
}

.panel-head {
  align-items: flex-start;
  justify-content: space-between;
}

.panel-head.panel-head-single {
  justify-content: flex-start;
}

.toolbar-head-actions {
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.panel-head h2,
.modal-top h2 {
  font-size: clamp(18px, 1.8vw, 22px);
  line-height: 1.2;
}

.surface-helper,
.surface-note,
.dashboard-message,
.toolbar-inline-note,
.modal-subtitle,
.mail-meta,
.channel-meta,
.js-mail-meta,
.js-mail-preview {
  margin: 0;
  color: var(--v18-text-soft);
  line-height: 1.6;
}

.surface-helper,
.surface-note,
.toolbar-inline-note {
  font-size: 12px;
}

.v18-page-shell .primary-btn,
.v18-page-shell .secondary-btn,
.v18-page-shell .ghost-btn,
.v18-page-shell .danger-btn {
  min-height: 42px;
  border-radius: 14px;
}

.action-btn {
  padding: 0 16px;
  font-size: 13px;
  font-weight: 700;
  transition:
    transform var(--v18-transition),
    box-shadow var(--v18-transition),
    border-color var(--v18-transition),
    background-color var(--v18-transition),
    color var(--v18-transition);
}

.compact-btn,
.v18-page-shell .small-btn {
  min-height: 36px;
  padding-inline: 14px;
  font-size: 12px;
}

.v18-page-shell .primary-btn {
  border: none;
  background: linear-gradient(135deg, var(--v18-primary) 0%, #2f62dc 100%);
  color: #ffffff;
  box-shadow: 0 12px 26px rgba(63, 118, 255, 0.2);
}

.v18-page-shell .secondary-btn {
  border: 1px solid var(--v18-line-strong);
  background: rgba(255, 255, 255, 0.92);
  color: var(--v18-text);
}

.v18-page-shell .ghost-btn {
  border: 1px solid var(--v18-line);
  background: rgba(255, 255, 255, 0.82);
  color: var(--v18-text);
}

.v18-page-shell .danger-btn {
  border: none;
  background: linear-gradient(135deg, #ecaa7e 0%, var(--v18-danger) 100%);
  color: #ffffff;
  box-shadow: 0 12px 26px rgba(217, 111, 103, 0.18);
}

.v18-page-shell .primary-btn:hover:not(:disabled),
.v18-page-shell .secondary-btn:hover:not(:disabled),
.v18-page-shell .ghost-btn:hover:not(:disabled),
.v18-page-shell .danger-btn:hover:not(:disabled),
.v18-page-shell .filter-chip:hover,
.icon-btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--v18-shadow-lg);
}

.channel-grid.channel-filter-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.filter-empty-hint {
  grid-column: 1 / -1;
  padding: 18px;
  border: 1px dashed var(--v18-line-strong);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.7);
  color: var(--v18-text-soft);
}

.v18-page-shell .filter-chip {
  position: relative;
  display: grid;
  gap: 8px;
  width: 100%;
  min-height: 92px;
  padding: 14px 14px 14px 16px;
  border: 1px solid var(--v18-line);
  border-radius: 18px;
  background:
    radial-gradient(circle at 100% 0, rgba(63, 118, 255, 0.08), transparent 34%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(247, 250, 255, 0.94));
  color: var(--v18-text);
  text-align: left;
  box-shadow: var(--v18-shadow-md);
}

.v18-page-shell .filter-chip::after {
  content: "";
  position: absolute;
  top: 14px;
  right: 14px;
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: rgba(138, 152, 176, 0.28);
}

.v18-page-shell .filter-chip.active {
  border-color: rgba(63, 118, 255, 0.28);
  background:
    radial-gradient(circle at 100% 0, rgba(63, 118, 255, 0.14), transparent 36%),
    linear-gradient(180deg, rgba(238, 244, 255, 0.98), rgba(248, 251, 255, 0.96));
}

.v18-page-shell .filter-chip.active::after {
  background: var(--v18-warn);
  box-shadow: 0 0 0 5px rgba(226, 157, 77, 0.14);
}

.filter-chip-copy {
  display: grid;
  gap: 6px;
}

.filter-chip-title {
  font-size: 15px;
  font-weight: 800;
  color: var(--v18-text);
}

.filter-chip-subline {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--v18-text-soft);
  font-size: 12px;
}

.batch-action-grid {
  flex-wrap: wrap;
}

.batch-action-grid > .action-btn {
  flex: 1 1 calc(50% - 6px);
}

.create-panel .primary-btn {
  width: 100%;
}

.dashboard-message {
  margin-top: 14px;
  padding: 12px 14px;
  border: 1px solid var(--v18-line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.76);
  font-size: 13px;
}

.dashboard-message.success {
  border-color: rgba(40, 177, 129, 0.18);
  background: var(--v18-success-soft);
  color: #1d7b5b;
}

.dashboard-message.error {
  border-color: rgba(217, 111, 103, 0.2);
  background: var(--v18-danger-soft);
  color: #ab4f48;
}

.table-toolbar-row,
.pagination-bar {
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  padding: 12px 14px;
  border: 1px solid var(--v18-line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.76);
}

.table-toolbar-left,
.table-toolbar-right,
.pagination-group {
  align-items: center;
  flex-wrap: wrap;
}

.table-toolbar-right,
.pagination-group-right {
  justify-content: flex-end;
  margin-left: auto;
}

.list-size-control {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--v18-text-soft);
  font-size: 13px;
}

.list-size-control select {
  min-width: 108px;
  min-height: 38px;
  padding: 0 12px;
  border: 1px solid var(--v18-line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.92);
  color: var(--v18-text);
}

.table-wrap-premium {
  margin-top: 14px;
}

.table-wrap {
  overflow: auto;
  border: 1px solid var(--v18-line);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.78);
}

.v18-page-shell .mailbox-table {
  width: 100%;
  min-width: 960px;
  border-collapse: separate;
  border-spacing: 0;
}

.v18-page-shell .mailbox-table th {
  position: sticky;
  top: 0;
  z-index: 1;
  padding: 13px 14px;
  border-bottom: 1px solid var(--v18-line);
  background: rgba(247, 250, 255, 0.98);
  color: var(--v18-text-faint);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-align: left;
}

.v18-page-shell .mailbox-table td {
  padding: 13px 14px;
  border-bottom: 1px solid rgba(95, 121, 177, 0.1);
  vertical-align: middle;
  color: var(--v18-text);
}

.v18-page-shell .mailbox-table tbody tr {
  transition: background-color var(--v18-transition), box-shadow var(--v18-transition);
}

.v18-page-shell .mailbox-table tbody tr:hover {
  background: rgba(63, 118, 255, 0.04);
}

.v18-page-shell .mailbox-table tbody tr.is-selected-mailbox {
  background: rgba(63, 118, 255, 0.07);
  box-shadow: inset 2px 0 0 var(--v18-primary);
}

.cell-select {
  width: 54px;
}

.table-checkbox {
  width: 18px;
  height: 18px;
  margin: 0;
  accent-color: var(--v18-primary);
}

.channel-cell,
.stack-cell {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.compact-stack {
  display: grid;
  gap: 4px;
}

.channel-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(63, 118, 255, 0.14), rgba(26, 162, 200, 0.1));
  color: var(--v18-primary);
  font-size: 12px;
  font-weight: 900;
  flex: 0 0 auto;
}

.channel-copy {
  display: grid;
  gap: 4px;
}

.channel-copy strong,
.mail-title,
.js-mail-subject,
.js-name {
  color: var(--v18-text);
}

.channel-meta {
  font-size: 12px;
}

.email-link,
.mail-preview-trigger {
  padding: 0;
  border: none;
  background: transparent;
  color: inherit;
  text-align: left;
}

.email-link {
  color: #26446f;
  font-weight: 700;
}

.mail-preview-trigger {
  width: 100%;
}

.js-mail-subject {
  font-size: 14px;
  font-weight: 700;
}

.empty-state {
  padding: 28px 16px;
  color: var(--v18-text-soft);
  text-align: center;
  line-height: 1.75;
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 60;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(24, 35, 56, 0.34);
  backdrop-filter: blur(8px);
}

.modal-dialog {
  position: relative;
  width: min(1040px, calc(100vw - 24px));
  margin: 18px auto;
  padding: 22px;
  max-height: calc(100dvh - 36px);
  overflow: auto;
  background: rgba(255, 255, 255, 0.96);
}

.icon-btn {
  width: 38px;
  height: 38px;
  border: 1px solid var(--v18-line);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.82);
  color: var(--v18-text);
  font-size: 18px;
}

.detail-summary,
.support-grid {
  flex-wrap: wrap;
  margin-top: 18px;
}

.summary-card,
.support-item {
  flex: 1 1 220px;
  min-width: 0;
  padding: 14px;
  border: 1px solid var(--v18-line);
  border-radius: 18px;
  background: rgba(248, 251, 255, 0.84);
}

.summary-value,
.support-panel-title {
  color: var(--v18-text);
  font-weight: 700;
}

.mail-list {
  display: grid;
  gap: 14px;
  margin-top: 18px;
}

.mail-card {
  padding: 16px;
  border: 1px solid var(--v18-line);
  border-radius: 18px;
  background: rgba(248, 251, 255, 0.84);
}

.mail-card-top {
  align-items: flex-start;
  justify-content: space-between;
}

.mail-card-code {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
}

.mail-body {
  margin: 14px 0 0;
  padding: 14px;
  border-radius: 14px;
  background: rgba(63, 118, 255, 0.04);
  color: var(--v18-text);
  white-space: pre-wrap;
  word-break: break-word;
}

.support-row {
  flex-wrap: wrap;
  align-items: center;
  margin-top: 18px;
  padding: 14px;
  border: 1px solid var(--v18-line);
  border-radius: 18px;
  background: rgba(248, 251, 255, 0.84);
}

.api-docs-code {
  display: block;
  margin-top: 8px;
  padding: 12px 14px;
  border-radius: 14px;
  background: rgba(63, 118, 255, 0.05);
  color: #26446f;
  white-space: pre-wrap;
  word-break: break-all;
}

.toast-viewport {
  position: fixed;
  top: 14px;
  right: 14px;
  z-index: 80;
  display: grid;
  gap: 8px;
  width: min(320px, calc(100vw - 20px));
  pointer-events: none;
}

.toast-card {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) 22px;
  gap: 10px;
  align-items: start;
  padding: 11px 11px 13px;
  border: 1px solid var(--v18-line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.96);
  color: var(--v18-text);
  box-shadow: var(--v18-shadow-lg);
  backdrop-filter: blur(14px);
  pointer-events: auto;
}

.toast-card.success {
  border-color: rgba(63, 118, 255, 0.18);
}

.toast-card.error {
  border-color: rgba(217, 111, 103, 0.22);
}

.toast-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 12px;
  background: rgba(63, 118, 255, 0.12);
  color: var(--v18-primary);
  font-size: 15px;
  font-weight: 900;
}

.toast-card.error .toast-icon {
  background: rgba(217, 111, 103, 0.12);
  color: #c86058;
}

.toast-copy {
  display: block;
  min-width: 0;
}

.toast-title {
  display: block;
  margin: 0 0 2px;
  font-size: 13px;
  line-height: 1.3;
  font-weight: 800;
}

.toast-text {
  margin: 0;
  color: var(--v18-text-soft);
  font-size: 12px;
  line-height: 1.5;
  word-break: break-word;
}

.toast-close {
  width: 22px;
  height: 22px;
  padding: 0;
  border: 0;
  border-radius: 999px;
  background: rgba(95, 121, 177, 0.08);
  color: var(--v18-text-faint);
  font-size: 15px;
  line-height: 1;
}

.toast-progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: linear-gradient(90deg, rgba(63, 118, 255, 0.96), rgba(63, 118, 255, 0.18));
}

.toast-card.error .toast-progress {
  background: linear-gradient(90deg, rgba(217, 111, 103, 0.96), rgba(217, 111, 103, 0.18));
}

button:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 2px solid rgba(63, 118, 255, 0.8);
  outline-offset: 2px;
}

@media (max-width: 1320px) {
  .topbar-surface,
  .workspace-grid {
    grid-template-columns: 1fr;
  }

  .topbar-actions {
    justify-content: flex-start;
  }
}

@media (max-width: 980px) {
  .summary-strip {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 900px) {
  .v18-page-shell.page-shell {
    width: min(var(--v18-max), calc(100% - 14px));
    padding: 8px 0 18px;
  }

  .topbar-surface,
  .studio-card,
  .modal-dialog {
    padding: 14px;
    border-radius: 20px;
  }

  .panel-head,
  .table-toolbar-row,
  .pagination-bar,
  .modal-top {
    flex-direction: column;
    align-items: flex-start;
  }

  .toolbar-head-actions,
  .table-toolbar-right,
  .pagination-group-right {
    justify-content: flex-start;
    margin-left: 0;
  }

  .batch-action-grid > .action-btn,
  .topbar-actions > .action-btn,
  .v18-page-shell .primary-btn,
  .v18-page-shell .secondary-btn,
  .v18-page-shell .ghost-btn,
  .v18-page-shell .danger-btn {
    width: 100%;
    justify-content: center;
    flex: 1 1 100%;
  }

  .status-pill,
  .toolbar-pill,
  .table-toggle-all {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 560px) {
  .channel-grid.channel-filter-list {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}