hfb_sys/frontend/src/styles/base.css

:root {
  color: #1f2933;
  background: #f6f8fb;
  font-family: Inter, "PingFang SC", "Microsoft YaHei", system-ui, -apple-system,
    BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
}

a {
  color: inherit;
  text-decoration: none;
}

.app-shell {
  display: grid;
  min-height: 100vh;
  grid-template-columns: 248px 1fr;
}

.sidebar {
  border-right: 1px solid #e4e7ed;
  background: #ffffff;
  padding: 20px 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  font-weight: 700;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: #0f766e;
  color: #ffffff;
}

.nav {
  display: grid;
  gap: 6px;
  margin-top: 24px;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 40px;
  border-radius: 8px;
  padding: 0 12px;
  color: #52616f;
}

.nav-link.router-link-active {
  background: #e8f5f2;
  color: #0f766e;
  font-weight: 600;
}

.main {
  min-width: 0;
  padding: 32px;
}

.admin-shell {
  display: grid;
  min-height: 100vh;
  grid-template-columns: 260px 1fr;
  background: #f5f7fb;
}

.admin-sidebar {
  display: flex;
  flex-direction: column;
  min-width: 0;
  border-right: 1px solid #dfe5ec;
  background: #111827;
  padding: 20px 16px;
  color: #dbe4ee;
}

.admin-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  color: #ffffff;
  font-weight: 700;
}

.admin-nav {
  display: grid;
  gap: 6px;
  margin-top: 28px;
}

.admin-nav-link {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 42px;
  border-radius: 8px;
  padding: 0 12px;
  color: #b7c3d2;
}

.admin-nav-link.router-link-active {
  background: #0f766e;
  color: #ffffff;
  font-weight: 600;
}

.admin-workspace {
  min-width: 0;
  overflow: hidden;
}

.admin-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
  border-bottom: 1px solid #e4e7ed;
  background: #ffffff;
  padding: 0 28px;
}

.admin-topbar span {
  display: block;
  color: #6b7785;
  font-size: 12px;
}

.admin-topbar strong {
  display: block;
  margin-top: 3px;
  color: #111827;
}

.admin-main {
  width: 100%;
  min-width: 0;
  padding: 28px clamp(18px, 2.4vw, 36px);
}

.admin-main .page {
  max-width: none;
}

.admin-login-shell {
  display: grid;
  min-height: 100vh;
  place-items: center;
  background: linear-gradient(
      135deg,
      rgba(15, 118, 110, 0.12),
      rgba(17, 24, 39, 0.08)
    ),
    #f5f7fb;
  padding: 24px;
}

.admin-login-panel {
  width: min(420px, 100%);
  border: 1px solid #e4e7ed;
  border-radius: 8px;
  background: #ffffff;
  padding: 28px;
  box-shadow: 0 20px 60px rgba(17, 24, 39, 0.1);
}

.admin-login-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #111827;
  font-weight: 700;
}

.admin-login-header {
  margin: 28px 0 22px;
}

.admin-login-header h1 {
  font-size: 30px;
}

.admin-login-header p:last-child {
  margin: 10px 0 0;
  color: #52616f;
}

.admin-captcha-row {
  display: grid;
  grid-template-columns: 1fr 132px;
  gap: 10px;
  width: 100%;
}

.captcha-image-button {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 44px;
  border: 1px solid #dcdfe6;
  border-radius: 6px;
  background: #ffffff;
  padding: 0;
  cursor: pointer;
  overflow: hidden;
}

.captcha-image-button:disabled {
  cursor: wait;
  opacity: 0.7;
}

.captcha-image-button img {
  display: block;
  width: 132px;
  height: 44px;
}

.page {
  width: 100%;
  max-width: 1440px;
}

.page-header {
  max-width: 720px;
}

.eyebrow {
  margin: 0 0 8px;
  color: #0f766e;
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: 32px;
  line-height: 1.2;
}

.page-header p:last-child {
  margin: 12px 0 0;
  color: #52616f;
  line-height: 1.7;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-top: 28px;
}

.metric-card {
  border: 1px solid #e4e7ed;
  border-radius: 8px;
  background: #ffffff;
  padding: 18px;
}

.metric-card span {
  display: block;
  color: #6b7785;
  font-size: 13px;
}

.metric-card strong {
  display: block;
  margin-top: 8px;
  font-size: 20px;
}

.dashboard-metrics {
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
}

.dashboard-panels {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 16px;
}

.dashboard-panel {
  max-width: none;
}

.pending-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 40px;
  border-top: 1px solid #e4e7ed;
  color: #52616f;
}

.pending-row:first-of-type {
  border-top: 0;
}

.pending-row strong {
  color: #111827;
}

.login-form {
  max-width: 420px;
  margin-top: 28px;
  border: 1px solid #e4e7ed;
  border-radius: 8px;
  background: #ffffff;
  padding: 20px;
}

.code-row {
  display: grid;
  grid-template-columns: 1fr 96px;
  gap: 10px;
  width: 100%;
}

.notice {
  max-width: 520px;
  margin-top: 24px;
}

.status-panel {
  max-width: 520px;
  margin-top: 24px;
  border: 1px solid #e4e7ed;
  border-radius: 8px;
  background: #ffffff;
  padding: 18px;
}

.status-panel span {
  color: #6b7785;
  font-size: 13px;
}

.status-panel strong {
  display: block;
  margin-top: 6px;
  color: #0f766e;
  font-size: 22px;
}

.status-panel p {
  margin: 8px 0 0;
  color: #52616f;
}

.listing-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 28px;
}

.listing-card {
  display: block;
  min-height: 172px;
  border: 1px solid #e4e7ed;
  border-radius: 8px;
  background: #ffffff;
  padding: 18px;
}

.listing-card span {
  color: #0f766e;
  font-size: 13px;
  font-weight: 700;
}

.listing-card strong {
  display: block;
  margin-top: 10px;
  font-size: 20px;
}

.listing-card p {
  color: #52616f;
  line-height: 1.6;
}

.listing-price {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 18px;
}

.listing-price b {
  color: #111827;
}

.listing-price em {
  color: #6b7785;
  font-style: normal;
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-top: 28px;
}

.page-header-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  max-width: 100%;
}

.table-panel,
.listing-form {
  margin-top: 28px;
}

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

.table-panel .el-table__inner-wrapper {
  min-width: 760px;
}

.listing-form {
  max-width: 860px;
  border: 1px solid #e4e7ed;
  border-radius: 8px;
  background: #ffffff;
  padding: 20px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: 16px;
}

.order-panel {
  max-width: min(100%, 560px);
  margin-top: 28px;
  border: 1px solid #e4e7ed;
  border-radius: 8px;
  background: #ffffff;
  padding: 20px;
}

.order-panel p {
  margin: 0 0 12px;
  color: #52616f;
}

.order-panel h2 {
  margin: 0 0 14px;
  font-size: 18px;
}

.timeline-item {
  border-top: 1px solid #e4e7ed;
  padding: 14px 0;
}

.timeline-item:first-of-type {
  border-top: 0;
}

.timeline-item strong {
  display: block;
}

.timeline-item span {
  color: #6b7785;
  font-size: 13px;
}

.panel-action {
  margin-top: 14px;
}

.upload-line input {
  width: 100%;
}

.upload-stack {
  display: grid;
  gap: 10px;
  width: 100%;
}

.upload-line {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
  width: 100%;
}

.evidence-list {
  display: grid;
  gap: 8px;
}

.evidence-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
}

.evidence-row span {
  overflow-wrap: anywhere;
  color: #52616f;
}

.full-control {
  width: 100%;
}

.dialog-body {
  display: grid;
  gap: 10px;
}

.dialog-body p {
  margin: 0;
  color: #52616f;
  line-height: 1.6;
}

.toolbar-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: flex-end;
}

.filter-panel {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px 16px;
  margin-top: 24px;
  border: 1px solid #e4e7ed;
  border-radius: 8px;
  background: #ffffff;
  padding: 16px;
}

.filter-panel .el-form-item {
  margin-bottom: 0;
}

.table-subtext {
  display: block;
  margin-top: 4px;
  color: #6b7785;
  font-size: 12px;
}

.code-panel {
  max-width: none;
}

.code-panel pre {
  overflow-x: auto;
  margin: 0;
  border-radius: 6px;
  background: #111827;
  color: #dbe4ee;
  padding: 14px;
  line-height: 1.6;
}

.notification-list {
  display: grid;
  gap: 12px;
  margin-top: 28px;
}

.notification-item {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  border: 1px solid #e4e7ed;
  border-radius: 8px;
  background: #ffffff;
  padding: 16px;
}

.notification-item.unread {
  border-color: #0f766e;
}

.notification-item span {
  color: #0f766e;
  font-size: 13px;
  font-weight: 700;
}

.notification-item h2 {
  margin: 6px 0;
  font-size: 18px;
}

.notification-item p {
  margin: 0 0 8px;
  color: #52616f;
}

.notification-item small {
  color: #6b7785;
}

.notification-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
}
/* PC public marketplace */
.pc-app-shell {
  min-height: 100vh;
  background: radial-gradient(
      circle at 12% 0%,
      rgba(255, 200, 87, 0.24),
      transparent 32%
    ),
    linear-gradient(180deg, #fff9e8 0, #f6f8fb 300px, #f6f8fb 100%);
}

.pc-topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: auto auto minmax(280px, 440px) auto;
  align-items: center;
  gap: 24px;
  min-height: 72px;
  border-bottom: 1px solid rgba(231, 183, 69, 0.32);
  background: rgba(255, 255, 255, 0.92);
  padding: 0 clamp(24px, 5vw, 72px);
  backdrop-filter: blur(14px);
}

.pc-brand,
.pc-nav,
.pc-user-actions,
.pc-search,
.pc-login-link,
.pc-post-link,
.pc-icon-link {
  display: flex;
  align-items: center;
}

.pc-brand {
  gap: 10px;
  font-weight: 800;
}

.pc-brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: linear-gradient(135deg, #f59e0b, #111827);
  color: #ffffff;
  font-size: 13px;
  letter-spacing: 0.5px;
  box-shadow: 0 14px 28px rgba(245, 158, 11, 0.26);
}

.pc-brand-text {
  color: #111827;
  font-size: 18px;
}

.pc-nav {
  gap: 6px;
}

.pc-nav-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 40px;
  border-radius: 999px;
  padding: 0 14px;
  color: #4b5563;
  font-size: 14px;
  font-weight: 600;
}

.pc-nav-link.router-link-active,
.pc-nav-link:hover {
  background: #fff3c4;
  color: #92400e;
}

.pc-search {
  gap: 10px;
  height: 42px;
  border: 1px solid #f1d38b;
  border-radius: 999px;
  background: #fffaf0;
  padding: 0 16px;
  color: #b45309;
}

.pc-search input {
  width: 100%;
  border: 0;
  outline: 0;
  background: transparent;
  color: #111827;
  font-size: 14px;
}

.pc-user-actions {
  justify-content: flex-end;
  gap: 10px;
}

.pc-icon-link,
.pc-login-link,
.pc-post-link {
  justify-content: center;
  min-height: 40px;
  border-radius: 999px;
  font-weight: 700;
}

.pc-icon-link {
  width: 40px;
  border: 1px solid #e5e7eb;
  background: #ffffff;
  color: #4b5563;
}

.pc-login-link {
  gap: 6px;
  border: 1px solid #e5e7eb;
  background: #ffffff;
  padding: 0 14px;
  color: #111827;
}

.pc-post-link {
  gap: 6px;
  background: linear-gradient(135deg, #f59e0b, #f97316);
  padding: 0 16px;
  color: #ffffff;
  box-shadow: 0 12px 24px rgba(249, 115, 22, 0.22);
}

.pc-post-link.large {
  min-height: 44px;
  padding: 0 22px;
}

.pc-main {
  width: min(1240px, calc(100% - 48px));
  margin: 0 auto;
  padding: 28px 0 56px;
}

.anti-fraud-strip {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  border: 1px solid #fde68a;
  border-radius: 14px;
  background: linear-gradient(90deg, #fffbeb, #fef3c7);
  padding: 10px 16px;
  color: #92400e;
  font-size: 14px;
  font-weight: 600;
}

.anti-fraud-strip.compact {
  margin-bottom: 22px;
}

.pc-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 24px;
  margin-top: 18px;
}

.pc-hero-content,
.pc-action-card,
.advanced-filter-card,
.resource-card,
.feature-card,
.pc-stat-card {
  border: 1px solid rgba(229, 231, 235, 0.9);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 18px 44px rgba(17, 24, 39, 0.08);
}

.pc-hero-content {
  min-height: 360px;
  border-radius: 28px;
  background: linear-gradient(
      135deg,
      rgba(17, 24, 39, 0.82),
      rgba(120, 53, 15, 0.72)
    ),
    radial-gradient(circle at 82% 20%, rgba(251, 191, 36, 0.9), transparent 24%),
    #111827;
  padding: 48px;
  color: #ffffff;
  overflow: hidden;
}

.pc-hero-content .eyebrow {
  color: #fbbf24;
}

.pc-hero h1 {
  max-width: 620px;
  font-size: clamp(40px, 5vw, 64px);
  letter-spacing: -2px;
}

.pc-hero-desc {
  max-width: 560px;
  margin: 18px 0 0;
  color: rgba(255, 255, 255, 0.78);
  font-size: 18px;
  line-height: 1.8;
}

.pc-hero-actions,
.hero-tags,
.sort-toolbar,
.resource-tags,
.resource-title-line {
  display: flex;
  align-items: center;
}

.pc-hero-actions {
  gap: 14px;
  margin-top: 32px;
}

.primary-cta,
.secondary-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  border-radius: 999px;
  padding: 0 22px;
  font-weight: 800;
}

.primary-cta {
  gap: 8px;
  background: #fbbf24;
  color: #111827;
}

.secondary-cta {
  border: 1px solid rgba(255, 255, 255, 0.28);
  color: #ffffff;
}

.hero-tags {
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 34px;
}

.hero-tags span {
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
  padding: 8px 12px;
  color: #fde68a;
  font-size: 13px;
}

.pc-action-card {
  border-radius: 24px;
  padding: 22px;
}

.pc-action-card h2 {
  margin: 0 0 18px;
  font-size: 20px;
}

.action-row {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 12px;
  align-items: center;
  border: 1px solid #edf0f4;
  border-radius: 16px;
  background: #ffffff;
  padding: 14px;
}

.action-row + .action-row {
  margin-top: 12px;
}

.action-row .el-icon {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: #fff7ed;
  color: #ea580c;
  font-size: 20px;
}

.action-row strong,
.action-row span {
  display: block;
}

.action-row strong {
  color: #111827;
}

.action-row span {
  margin-top: 4px;
  color: #6b7280;
  font-size: 13px;
  line-height: 1.5;
}

.action-row.highlight {
  border-color: #fbbf24;
  background: #fffbeb;
}

.pc-stat-grid,
.pc-feature-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 20px;
}

.pc-stat-card,
.feature-card {
  border-radius: 20px;
  padding: 20px;
}

.pc-stat-card span,
.feature-card span {
  color: #6b7280;
  font-size: 13px;
}

.pc-stat-card strong,
.feature-card strong {
  display: block;
  margin-top: 8px;
  color: #111827;
  font-size: 24px;
}

.pc-stat-card p {
  margin: 8px 0 0;
  color: #6b7280;
}

.feature-card .el-icon {
  color: #f59e0b;
  font-size: 24px;
}

.feature-card strong {
  font-size: 18px;
}

.listings-header {
  align-items: center;
  margin-bottom: 18px;
}

.advanced-filter-card {
  border-radius: 22px;
  padding: 20px;
}

.filter-title,
.sort-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.filter-title strong {
  color: #111827;
  font-size: 18px;
}

.filter-title span {
  color: #6b7280;
}

.pc-filter-grid {
  display: grid;
  grid-template-columns: 1.25fr repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-top: 16px;
}

.pc-filter-grid .el-form-item {
  margin-bottom: 0;
}

.sort-toolbar {
  margin-top: 16px;
}

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

.resource-card {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr) 150px;
  gap: 18px;
  align-items: center;
  border-radius: 22px;
  padding: 14px;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.resource-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 22px 50px rgba(17, 24, 39, 0.12);
}

.resource-cover {
  display: grid;
  place-items: center;
  height: 108px;
  border-radius: 18px;
  background: linear-gradient(135deg, #111827, #f59e0b);
  color: #ffffff;
  font-weight: 900;
  overflow: hidden;
}

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

.resource-title-line {
  justify-content: space-between;
  gap: 12px;
}

.resource-title-line strong {
  color: #111827;
  font-size: 19px;
}

.resource-title-line em {
  border-radius: 999px;
  background: #dcfce7;
  padding: 4px 10px;
  color: #166534;
  font-size: 12px;
  font-style: normal;
  font-weight: 700;
}

.resource-main p {
  display: -webkit-box;
  margin: 10px 0 0;
  overflow: hidden;
  color: #6b7280;
  line-height: 1.6;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.resource-tags {
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.resource-tags span {
  border-radius: 999px;
  background: #f3f4f6;
  padding: 5px 10px;
  color: #4b5563;
  font-size: 12px;
}

.resource-price-box {
  border-left: 1px solid #edf0f4;
  padding-left: 18px;
  text-align: right;
}

.resource-price-box span,
.resource-price-box em,
.resource-price-box small {
  display: block;
  color: #6b7280;
  font-style: normal;
}

.resource-price-box strong {
  display: block;
  margin: 4px 0;
  color: #ef4444;
  font-size: 28px;
}

.pc-detail-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 22px;
}

.pc-detail-main,
.pc-order-card {
  border: 1px solid rgba(229, 231, 235, 0.9);
  border-radius: 24px;
  background: #ffffff;
  box-shadow: 0 18px 44px rgba(17, 24, 39, 0.08);
}

.pc-detail-main {
  overflow: hidden;
}

.detail-cover {
  display: grid;
  place-items: center;
  height: 300px;
  background: linear-gradient(135deg, #111827, #92400e 54%, #f59e0b);
  color: #ffffff;
  font-size: 28px;
  font-weight: 900;
  letter-spacing: 1px;
}

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

.detail-title {
  padding: 28px;
}

.pc-detail .detail-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 0;
  padding: 0 28px 28px;
}

.pc-order-card {
  position: sticky;
  top: 96px;
  align-self: start;
  margin-top: 0;
  padding: 24px;
}

.pc-order-card h2 {
  margin: 0 0 8px;
  font-size: 22px;
}

.order-safe-text {
  margin: 0 0 18px;
  color: #6b7280;
  line-height: 1.7;
}

.order-total-box {
  border-radius: 18px;
  background: #fffbeb;
  margin-bottom: 16px;
  padding: 16px;
}

.order-total-box span,
.order-total-box em {
  display: block;
  color: #92400e;
  font-style: normal;
}

.order-total-box strong {
  display: block;
  margin: 4px 0;
  color: #ef4444;
  font-size: 30px;
}

@media (max-width: 1180px) {
  .pc-topbar {
    grid-template-columns: auto 1fr auto;
  }

  .pc-search {
    display: none;
  }

  .pc-hero,
  .pc-filter-grid,
  .pc-detail-layout,
  .pc-detail .detail-grid {
    grid-template-columns: 1fr;
  }

  .pc-order-card {
    position: static;
  }

  .resource-card {
    grid-template-columns: 120px minmax(0, 1fr);
  }

  .resource-price-box {
    grid-column: 2;
    border-left: 0;
    border-top: 1px solid #edf0f4;
    padding: 12px 0 0;
    text-align: left;
  }
}

@media (max-width: 1180px) {
  .admin-shell {
    grid-template-columns: 220px 1fr;
  }

  .admin-sidebar {
    padding: 18px 12px;
  }

  .admin-nav-link {
    padding: 0 10px;
  }
}

@media (max-width: 900px) {
  .admin-shell {
    grid-template-columns: 1fr;
  }

  .admin-sidebar {
    position: sticky;
    top: 0;
    z-index: 10;
    border-right: 0;
    border-bottom: 1px solid #1f2937;
    padding: 12px 14px;
  }

  .admin-brand {
    min-height: 36px;
  }

  .admin-nav {
    grid-auto-flow: column;
    grid-auto-columns: max-content;
    gap: 8px;
    margin-top: 12px;
    overflow-x: auto;
    padding-bottom: 2px;
  }

  .admin-nav-link {
    min-height: 38px;
    white-space: nowrap;
  }

  .admin-topbar {
    min-height: 58px;
    padding: 0 16px;
  }

  .admin-main {
    padding: 22px 16px;
  }
}

@media (max-width: 760px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: sticky;
    top: 0;
    z-index: 10;
    border-right: 0;
    border-bottom: 1px solid #e4e7ed;
  }

  .nav {
    grid-auto-flow: column;
    grid-auto-columns: max-content;
    overflow-x: auto;
  }

  .main {
    padding: 24px 16px;
  }

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

  .listing-grid,
  .detail-grid,
  .dashboard-metrics,
  .dashboard-panels,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .page-header-row {
    display: grid;
  }

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

@media (max-width: 520px) {
  .admin-topbar {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    gap: 10px;
    padding: 12px 16px;
  }

  .admin-topbar .el-button {
    width: 100%;
  }

  .dashboard-panels {
    grid-template-columns: 1fr;
  }

  .admin-captcha-row,
  .code-row {
    grid-template-columns: 1fr;
  }

  .captcha-image-button,
  .captcha-image-button img {
    width: 100%;
  }
}

/* ── Vant Toast 保护规则 ──────────────────────────────────
   .van-popup 声明 background: var(--van-popup-background) = #fff (白色)
   .van-toast 声明 background: var(--van-toast-background) = rgba(0,0,0,.7) (黑色)
   两个类同优先级，但 .van-popup 在 vant/lib/index.css 中后声明 → 覆盖黑色背景
   导致 Toast 白底白字看不见。用双类选择器提升优先级强制使用黑色背景。
   ────────────────────────────────────────────────────────── */
.van-popup.van-toast {
  background: var(--van-toast-background) !important;
  color: var(--van-toast-text-color) !important;
}