:root {
  --bg: #f4f6fb;
  --panel: #ffffff;
  --ink: #121725;
  --muted: #63708a;
  --line: #dfe5f0;
  --navy: #0b1020;
  --navy-2: #121a31;
  --primary: #513cff;
  --primary-2: #6d4cff;
  --blue: #2563eb;
  --green: #0d9f6e;
  --amber: #d97706;
  --red: #dc2626;
  --shadow: 0 18px 50px rgba(16, 24, 40, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 80% 12%, rgba(81, 60, 255, 0.08), transparent 28%),
    linear-gradient(180deg, #fbfcff 0%, var(--bg) 100%);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  line-height: 1.5;
  letter-spacing: 0;
}

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

button {
  cursor: pointer;
}

button:disabled,
select:disabled,
input:disabled {
  cursor: not-allowed;
  opacity: 0.62;
}

body.is-authenticated .login-screen {
  display: none;
}

body:not(.is-authenticated) .admin-shell {
  display: none;
}

.login-screen {
  display: grid;
  min-height: 100vh;
  place-items: center;
  padding: 24px;
  background:
    radial-gradient(circle at 72% 20%, rgba(81, 60, 255, 0.16), transparent 30%),
    linear-gradient(135deg, #f9fbff 0%, #eef2ff 100%);
}

.login-card {
  display: grid;
  gap: 16px;
  width: min(100%, 420px);
  padding: 34px;
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid rgba(223, 229, 240, 0.96);
  border-radius: 8px;
  box-shadow: 0 28px 70px rgba(31, 35, 80, 0.16);
}

.login-card .admin-brand-mark {
  width: 54px;
  height: 54px;
  font-size: 34px;
}

.login-card h1 {
  margin: 0;
  font-size: 28px;
  line-height: 1.2;
}

.login-card p {
  margin: -6px 0 0;
  color: var(--muted);
  font-weight: 650;
}

.login-error {
  min-height: 22px;
  color: var(--red);
  font-size: 14px;
}

.admin-shell {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  min-height: 100vh;
}

.admin-sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  padding: 22px 18px;
  color: #d8e4f5;
  background: linear-gradient(180deg, var(--navy) 0%, var(--navy-2) 100%);
  border-right: 1px solid rgba(255, 255, 255, 0.08);
}

.admin-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #ffffff;
  text-decoration: none;
  font-size: 18px;
  font-weight: 900;
}

.admin-brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  color: #ffffff;
  background: linear-gradient(135deg, #3147ff, #7440ff);
  border-radius: 8px;
  box-shadow: 0 14px 30px rgba(81, 60, 255, 0.32);
  font-size: 26px;
  font-weight: 950;
}

.admin-nav {
  display: grid;
  gap: 6px;
  margin-top: 30px;
}

.admin-nav a {
  display: flex;
  align-items: center;
  min-height: 46px;
  padding: 0 13px;
  color: #b9c7db;
  border-radius: 8px;
  text-decoration: none;
  font-size: 15px;
  font-weight: 800;
}

.admin-nav a:hover,
.admin-nav a.is-active {
  color: #ffffff;
  background: rgba(81, 60, 255, 0.26);
}

.sidebar-card {
  margin-top: 30px;
  padding: 16px;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
}

.sidebar-card span {
  color: #a9bbd4;
  font-size: 12px;
  font-weight: 900;
}

.sidebar-card strong {
  display: block;
  margin-top: 4px;
}

.sidebar-card p {
  margin: 10px 0 0;
  color: #b9c7db;
  font-size: 13px;
}

.admin-main {
  min-width: 0;
}

.admin-topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  min-height: 78px;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 16px 28px;
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.admin-topbar p,
.panel-heading span {
  margin: 0;
  color: var(--primary);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.admin-topbar h1 {
  margin: 2px 0 0;
  font-size: 24px;
  line-height: 1.1;
}

.topbar-actions,
.heading-actions,
.form-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.topbar-actions a,
.ghost-button,
.primary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 16px;
  border-radius: 8px;
  text-decoration: none;
  font-size: 14px;
  font-weight: 850;
  white-space: nowrap;
}

.topbar-actions a,
.ghost-button {
  color: var(--ink);
  background: #ffffff;
  border: 1px solid var(--line);
}

.primary-button {
  color: #ffffff;
  background: linear-gradient(135deg, #3d37ff, #6d4cff);
  border: 1px solid rgba(81, 60, 255, 0.88);
  box-shadow: 0 12px 28px rgba(81, 60, 255, 0.18);
}

.danger-button {
  color: var(--red);
}

select,
input,
textarea {
  width: 100%;
  color: var(--ink);
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 8px;
  outline: none;
}

select,
input {
  min-height: 40px;
  padding: 0 12px;
}

textarea {
  resize: vertical;
  padding: 12px;
}

select:focus,
input:focus,
textarea:focus {
  border-color: rgba(81, 60, 255, 0.68);
  box-shadow: 0 0 0 3px rgba(81, 60, 255, 0.12);
}

.admin-content {
  max-width: 1460px;
  margin: 0 auto;
  padding: 28px;
}

.admin-view {
  display: none;
}

.admin-view.is-active {
  display: block;
}

.panel,
.metric-grid article {
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(223, 229, 240, 0.95);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.panel {
  padding: 22px;
}

.panel + .panel,
.dashboard-grid,
.settings-layout,
.articles-layout {
  margin-top: 22px;
}

.panel-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 18px;
}

.page-heading {
  margin-bottom: 22px;
}

.panel-heading h2 {
  margin: 3px 0 0;
  font-size: 22px;
  line-height: 1.18;
}

.page-heading h2 {
  font-size: 30px;
}

.panel-heading p,
.panel-note {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  font-weight: 650;
}

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

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

.seo-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.metric-grid article {
  padding: 22px;
}

.metric-grid span {
  color: var(--muted);
  font-size: 14px;
  font-weight: 800;
}

.metric-grid strong {
  display: block;
  margin-top: 8px;
  font-size: 34px;
  line-height: 1.05;
  font-weight: 950;
}

.metric-grid p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.good-text {
  color: var(--green);
}

.query-grid {
  display: grid;
  grid-template-columns: minmax(180px, 1fr) auto minmax(180px, 1fr) auto;
  gap: 14px;
  align-items: end;
}

label {
  display: grid;
  gap: 8px;
  color: #2d3548;
  font-size: 14px;
  font-weight: 800;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 12px;
  color: var(--primary) !important;
  background: rgba(81, 60, 255, 0.1);
  border-radius: 999px;
  font-size: 13px !important;
  font-weight: 900 !important;
  letter-spacing: 0 !important;
  text-transform: none !important;
}

.dashboard-grid,
.articles-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: 22px;
}

.settings-layout {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

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

.full-field {
  grid-column: 1 / -1;
}

.source-list {
  display: grid;
  gap: 17px;
}

.source-list article {
  display: grid;
  grid-template-columns: 128px minmax(0, 1fr) 48px;
  gap: 12px;
  align-items: center;
}

.source-list strong,
.source-list b {
  font-size: 14px;
}

.source-list span {
  position: relative;
  height: 10px;
  background: linear-gradient(90deg, #3d37ff, #7c4dff);
  border-radius: 999px;
}

.source-list article::before {
  content: "";
  grid-column: 2;
  grid-row: 1;
  height: 10px;
  background: #edf0fb;
  border-radius: 999px;
}

.source-list span {
  grid-column: 2;
  grid-row: 1;
}

.data-table {
  display: grid;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}

.table-row,
.table-head {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr 0.8fr;
  gap: 12px;
  align-items: center;
  min-height: 48px;
  padding: 10px 14px;
  border-top: 1px solid var(--line);
  font-size: 14px;
}

.table-head {
  min-height: 42px;
  color: var(--muted);
  background: #f8faff;
  border-top: 0;
  font-size: 12px;
  font-weight: 900;
}

.table-row strong {
  font-weight: 850;
}

.compact-table .table-row span,
.compact-table .table-row time {
  color: var(--muted);
}

.article-list {
  display: grid;
  gap: 10px;
}

.article-item {
  display: grid;
  gap: 5px;
  width: 100%;
  padding: 14px;
  color: var(--ink);
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 8px;
  text-align: left;
}

.article-item.is-active {
  border-color: rgba(81, 60, 255, 0.68);
  box-shadow: 0 0 0 3px rgba(81, 60, 255, 0.1);
}

.article-item strong {
  font-size: 15px;
}

.article-item span {
  color: var(--muted);
  font-size: 13px;
}

.article-item-main {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 12px;
  align-items: center;
}

.article-item-main img {
  width: 72px;
  height: 54px;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.badge {
  display: inline-flex;
  align-items: center;
  min-height: 22px;
  padding: 0 8px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 900;
}

.badge-published {
  color: #047857;
  background: #dff8ec;
}

.badge-draft {
  color: #92400e;
  background: #fff3d7;
}

.article-form {
  display: grid;
  gap: 18px;
}

.editor-workspace {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
  gap: 22px;
  align-items: start;
}

.editor-fields {
  display: grid;
  gap: 18px;
}

.cover-editor,
.content-builder,
.article-live-preview {
  padding: 18px;
  background: #f8faff;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.cover-editor {
  display: grid;
  gap: 14px;
}

.cover-editor h3,
.content-builder h3 {
  margin: 0;
  font-size: 18px;
}

.cover-editor p,
.content-builder p {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 13px;
  font-weight: 650;
}

#cover-preview,
#preview-cover,
.block-image-preview {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background: #eef2ff;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.inline-actions,
.block-actions,
.block-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.file-button,
.block-toolbar button,
.block-actions button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 0 13px;
  color: var(--ink);
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 14px;
  font-weight: 850;
}

.file-button input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.content-builder-head {
  display: grid;
  gap: 14px;
  margin-bottom: 14px;
}

.block-editor {
  display: grid;
  gap: 12px;
}

.content-block {
  display: grid;
  gap: 12px;
  padding: 14px;
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.block-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.block-head strong {
  font-size: 14px;
}

.block-head span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
}

.block-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.block-grid .full-field {
  grid-column: 1 / -1;
}

.divider-preview {
  height: 1px;
  margin: 6px 0;
  background: var(--line);
}

.article-live-preview {
  position: sticky;
  top: 100px;
  display: grid;
  gap: 13px;
}

.article-live-preview > span {
  color: var(--primary);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.article-live-preview h3 {
  margin: 0;
  font-size: 24px;
  line-height: 1.25;
}

.article-live-preview p {
  margin: 0;
  color: var(--muted);
}

.preview-body {
  display: grid;
  gap: 12px;
}

.preview-body h4 {
  margin: 0;
  font-size: 19px;
}

.preview-body p,
.preview-body li,
.preview-body blockquote {
  color: #303950;
  font-size: 14px;
}

.preview-body blockquote {
  margin: 0;
  padding: 10px 12px;
  border-left: 3px solid var(--primary);
  background: #f1f3ff;
  border-radius: 8px;
}

.preview-body figure {
  margin: 0;
}

.preview-body img {
  width: 100%;
  border-radius: 8px;
}

.preview-body figcaption {
  margin-top: 6px;
  color: var(--muted);
  font-size: 12px;
}

.save-status {
  color: var(--muted);
  font-size: 14px;
  font-weight: 800;
}

.save-status.is-saved {
  color: var(--green);
}

.seo-list {
  display: grid;
  gap: 10px;
}

.seo-list article {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.seo-list h3 {
  margin: 0;
  font-size: 15px;
}

.seo-list p {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.seo-explainer {
  margin-bottom: 16px;
}

.seo-explainer h3 {
  margin: 0 0 8px;
  font-size: 19px;
}

.seo-explainer p,
.seo-health-card p {
  margin: 0;
  color: var(--muted);
  font-weight: 650;
}

.seo-health-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: 22px;
  margin-top: 22px;
}

.seo-health-status {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0 12px;
  border-radius: 999px;
  font-size: 14px;
}

.seo-health-status.is-good {
  color: #047857;
  background: #dff8ec;
}

.seo-health-status.is-warning {
  color: #92400e;
  background: #fff3d7;
}

.seo-health-status.is-danger {
  color: #b91c1c;
  background: #fee2e2;
}

.seo-check-list,
.seo-suggestion-list {
  display: grid;
  gap: 10px;
}

.seo-check-item,
.seo-suggestion-list article {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 10px;
  align-items: start;
  padding: 12px;
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.seo-check-item i {
  display: grid;
  width: 24px;
  height: 24px;
  place-items: center;
  color: #ffffff;
  background: var(--green);
  border-radius: 50%;
  font-style: normal;
  font-size: 13px;
  font-weight: 900;
}

.seo-check-item.is-missing i {
  background: var(--amber);
}

.seo-check-item strong,
.seo-suggestion-list strong {
  display: block;
  font-size: 14px;
}

.seo-check-item p,
.seo-suggestion-list p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.account-explainer {
  margin-bottom: 16px;
}

.account-explainer h3 {
  margin: 0 0 8px;
  font-size: 19px;
}

.account-explainer p {
  margin: 0;
  color: var(--muted);
  font-weight: 650;
}

.account-layout {
  display: grid;
  grid-template-columns: minmax(320px, 0.72fr) minmax(0, 1.28fr);
  gap: 22px;
}

.account-form,
.account-list {
  display: grid;
  gap: 14px;
}

.current-account {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 16px;
  padding: 14px;
  background: #f8faff;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.current-account span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
}

.current-account strong {
  display: block;
  margin-top: 3px;
  font-size: 18px;
}

.current-account b,
.role-pill,
.state-pill {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 900;
}

.current-account b,
.role-pill {
  color: var(--primary);
  background: rgba(81, 60, 255, 0.1);
}

.state-pill.is-active {
  color: #047857;
  background: #dff8ec;
}

.state-pill.is-disabled {
  color: #92400e;
  background: #fff3d7;
}

.account-card {
  display: grid;
  gap: 16px;
  padding: 16px;
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.account-card-head,
.account-tags,
.account-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.account-card-head {
  justify-content: space-between;
}

.account-card-title strong {
  display: block;
  font-size: 17px;
}

.account-card-title span {
  display: block;
  margin-top: 2px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.account-card-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.account-actions {
  justify-content: flex-end;
  padding-top: 2px;
}

.toast {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 30;
  transform: translateY(18px);
  opacity: 0;
  pointer-events: none;
  min-width: 220px;
  padding: 13px 16px;
  color: #ffffff;
  background: #111827;
  border-radius: 8px;
  box-shadow: 0 20px 54px rgba(16, 24, 40, 0.22);
  font-weight: 850;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

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

@media (max-width: 1180px) {
  .admin-shell {
    grid-template-columns: 220px minmax(0, 1fr);
  }

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

  .dashboard-grid,
  .settings-layout,
  .articles-layout,
  .account-layout,
  .editor-workspace,
  .seo-health-grid {
    grid-template-columns: 1fr;
  }

  .article-live-preview {
    position: static;
  }
}

@media (max-width: 820px) {
  .admin-shell {
    display: block;
  }

  .admin-sidebar {
    position: relative;
    height: auto;
    padding: 16px;
  }

  .admin-nav {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-top: 18px;
  }

  .sidebar-card {
    display: none;
  }

  .admin-topbar {
    position: relative;
    align-items: flex-start;
    padding: 16px;
  }

  .topbar-actions,
  .heading-actions,
  .form-actions {
    flex-wrap: wrap;
  }

  .admin-content {
    padding: 16px;
  }

  .page-heading {
    display: grid;
  }

  .metric-grid,
  .seo-grid,
  .query-grid,
  .settings-grid,
  .account-card-grid,
  .block-grid {
    grid-template-columns: 1fr;
  }

  .current-account {
    align-items: flex-start;
    flex-direction: column;
  }

  .table-row,
  .table-head {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .source-list article {
    grid-template-columns: 96px minmax(0, 1fr) 42px;
  }
}