:root {
  color-scheme: light;
  --bg: #f4f7fb;
  --surface: #ffffff;
  --surface-soft: #f8fafc;
  --line: #d8e0ea;
  --line-strong: #b6c5d6;
  --text: #142033;
  --muted: #61718a;
  --primary: #06327a;
  --primary-2: #0f5da8;
  --cyan: #18a8c6;
  --green: #1f9d6d;
  --orange: #d97916;
  --red: #c93442;
  --purple: #6c4ec8;
  --shadow: 0 18px 45px rgba(20, 32, 51, 0.10);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  overflow-x: hidden;
  background:
    linear-gradient(180deg, rgba(6, 50, 122, 0.08), transparent 420px),
    var(--bg);
  color: var(--text);
  font-family: "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  letter-spacing: 0;
}

button,
input,
select,
textarea {
  font: inherit;
  min-width: 0;
}

button {
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.boot {
  min-height: 100vh;
  display: grid;
  place-items: center;
  color: var(--primary);
  font-weight: 700;
}

.shell {
  min-height: 100vh;
  width: 100vw;
  overflow-x: hidden;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 18px;
  align-items: center;
  min-height: 76px;
  padding: 10px 28px;
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid rgba(216, 224, 234, 0.9);
  backdrop-filter: blur(16px);
}

.brand-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 188px;
  height: 54px;
  border: 0;
  background: transparent;
  padding: 0;
}

.brand-mark img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: left center;
  display: block;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  overflow-x: auto;
  scrollbar-width: none;
}

.main-nav button,
.user-chip button,
.mobile-menu,
.link-btn {
  border: 0;
  background: transparent;
  color: var(--muted);
}

.main-nav button {
  min-height: 36px;
  padding: 8px 12px;
  border-radius: 6px;
  white-space: nowrap;
}

.main-nav button.active,
.main-nav button:hover {
  color: var(--primary);
  background: rgba(6, 50, 122, 0.08);
}

.mobile-menu {
  display: none;
  width: 38px;
  height: 38px;
  border-radius: 6px;
  background: rgba(6, 50, 122, 0.08);
  color: var(--primary);
}

.user-chip button {
  min-width: 126px;
  min-height: 42px;
  padding: 6px 12px;
  border-radius: 8px;
  background: var(--surface-soft);
  border: 1px solid var(--line);
  text-align: left;
}

.user-chip strong,
.user-chip span {
  display: block;
}

.user-chip strong {
  color: var(--text);
  font-size: 14px;
}

.user-chip span {
  margin-top: 2px;
  color: var(--muted);
  font-size: 12px;
}

.page,
.home {
  width: min(1440px, calc(100% - 48px));
  margin: 0 auto;
  padding: 28px 0 56px;
}

.page-enter {
  animation: pageIn 240ms ease-out both;
}

@keyframes pageIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(360px, 0.9fr);
  max-width: 100%;
  gap: 24px;
  align-items: stretch;
  min-height: 356px;
  padding: 28px;
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(6, 50, 122, 0.95), rgba(15, 93, 168, 0.78)),
    radial-gradient(circle at right top, rgba(24, 168, 198, 0.2), transparent 36%);
  box-shadow: var(--shadow);
  color: #fff;
  overflow: hidden;
}

.hero-main {
  min-width: 0;
  display: grid;
  align-content: center;
  gap: 20px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 3px 9px;
  border-radius: 6px;
  background: rgba(24, 168, 198, 0.12);
  color: var(--primary-2);
  font-weight: 700;
  font-size: 12px;
}

.hero .eyebrow,
.ai-hero .eyebrow {
  background: rgba(255, 255, 255, 0.13);
  color: #eaf6ff;
}

.hero h1,
.page-head h1,
.ai-hero h1,
.auth-brand h1 {
  margin: 8px 0 0;
  line-height: 1.08;
  font-weight: 800;
}

.hero-kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.producer-badge {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 3px 10px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.24);
  color: rgba(255, 255, 255, 0.9);
  font-size: 12px;
  font-weight: 700;
}

.producer-footer {
  width: min(1440px, calc(100% - 48px));
  margin: -26px auto 0;
  padding: 0 0 28px;
  color: var(--muted);
  font-size: 13px;
  text-align: right;
}

.hero h1 {
  font-size: 54px;
}

.hero p,
.ai-hero p,
.auth-brand p {
  margin: 10px 0 0;
  color: rgba(255, 255, 255, 0.78);
  line-height: 1.75;
  overflow-wrap: anywhere;
}

.search-hero {
  min-width: 0;
  max-width: 100%;
  display: grid;
  grid-template-columns: 1fr 150px auto;
  gap: 10px;
  padding: 10px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.13);
  border: 1px solid rgba(255, 255, 255, 0.22);
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  min-height: 42px;
  padding: 10px 12px;
  background: #fff;
  color: var(--text);
  outline: none;
}

textarea {
  resize: vertical;
  line-height: 1.65;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--primary-2);
  box-shadow: 0 0 0 3px rgba(15, 93, 168, 0.12);
}

.primary-btn,
.ghost-btn,
.danger-btn {
  min-height: 40px;
  padding: 9px 14px;
  border-radius: 6px;
  border: 1px solid transparent;
  font-weight: 700;
  white-space: nowrap;
}

.primary-btn {
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  box-shadow: 0 10px 22px rgba(6, 50, 122, 0.18);
}

.ghost-btn {
  color: var(--primary);
  border-color: var(--line);
  background: #fff;
}

.danger-btn {
  color: #fff;
  background: var(--red);
}

.hero .ghost-btn {
  border-color: rgba(255, 255, 255, 0.32);
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
}

.primary-btn:hover,
.ghost-btn:hover,
.danger-btn:hover {
  transform: translateY(-1px);
}

.hero-actions,
.head-actions,
.form-actions,
.form-inline {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.brand-block {
  min-width: 0;
  max-width: 100%;
  display: grid;
  align-content: center;
  justify-items: stretch;
  gap: 18px;
  min-width: 0;
  padding: 26px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(255, 255, 255, 0.75);
  overflow: hidden;
}

.brand-block.compact {
  grid-template-columns: 190px 1fr;
  align-items: center;
  gap: 16px;
  min-height: 118px;
  padding: 18px;
}

.brand-logo-img,
.brand-slogan-img {
  display: block;
  min-width: 0;
  width: 100%;
  max-width: 100%;
  object-fit: contain;
  object-position: center;
}

.brand-logo-img {
  height: 112px;
}

.brand-slogan-img {
  height: 92px;
}

.brand-block.compact .brand-logo-img {
  height: 74px;
}

.brand-block.compact .brand-slogan-img {
  height: 58px;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin: 18px 0;
}

.metric-card,
.panel,
.knowledge-card,
.info-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 10px 30px rgba(20, 32, 51, 0.06);
}

.metric-card {
  min-height: 118px;
  padding: 18px;
  width: 100%;
  color: inherit;
  text-align: left;
}

.metric-link {
  transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.metric-link:hover {
  border-color: var(--line-strong);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.metric-card span,
.muted {
  color: var(--muted);
}

.metric-card strong {
  display: block;
  margin: 8px 0;
  color: var(--primary);
  font-size: 34px;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.metric-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
}

.home-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(320px, 0.55fr);
  gap: 18px;
  margin-top: 18px;
}

.panel {
  padding: 18px;
}

.panel.wide {
  min-width: 0;
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.panel-head h2,
.panel h2,
.knowledge-card h2,
.info-card h2 {
  margin: 0;
  font-size: 18px;
}

.panel-head button,
.link-btn {
  color: var(--primary-2);
  border: 0;
  background: transparent;
}

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

.department-card {
  min-height: 138px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.96), rgba(248, 250, 252, 0.95)),
    linear-gradient(135deg, var(--primary), transparent);
  text-align: left;
  color: var(--text);
}

.department-card:hover,
.knowledge-card:hover,
.info-card:hover {
  border-color: var(--line-strong);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.department-card span {
  display: block;
  color: var(--muted);
}

.department-card strong {
  display: block;
  margin: 8px 0;
  color: var(--primary);
  font-size: 32px;
}

.department-card p,
.department-card em,
.knowledge-card p,
.info-card p {
  margin: 0;
  color: var(--muted);
  font-style: normal;
  line-height: 1.6;
}

.stack-list,
.rank-list {
  display: grid;
  gap: 10px;
}

.list-row,
.rank-row,
.list-mini {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-soft);
  color: var(--text);
  text-align: left;
}

.list-row {
  min-height: 70px;
  padding: 12px;
}

.list-row.static {
  cursor: default;
}

.list-row strong,
.list-row span,
.rank-row strong,
.rank-row em {
  display: block;
}

.list-row span,
.rank-row em {
  margin-top: 5px;
  color: var(--muted);
  font-size: 13px;
  font-style: normal;
}

.rank-row {
  display: grid;
  grid-template-columns: 32px 1fr auto;
  align-items: center;
  gap: 12px;
  min-height: 76px;
  padding: 12px;
}

.rank-row > span {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 6px;
  background: rgba(6, 50, 122, 0.08);
  color: var(--primary);
  font-weight: 800;
}

.rank-row b {
  color: var(--primary-2);
}

.page-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 18px;
}

.page-head h1 {
  font-size: 34px;
}

.filterbar {
  display: grid;
  grid-template-columns: 1fr 180px 160px 150px;
  gap: 10px;
  margin-bottom: 16px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.analytics-tabs {
  display: flex;
  align-items: center;
  gap: 8px;
  overflow-x: auto;
  margin: -4px 0 16px;
  padding-bottom: 2px;
}

.analytics-tabs button {
  min-height: 38px;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  color: var(--muted);
  font-weight: 700;
  white-space: nowrap;
}

.analytics-tabs button.active,
.analytics-tabs button:hover {
  color: var(--primary);
  border-color: rgba(6, 50, 122, 0.22);
  background: rgba(6, 50, 122, 0.08);
}

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

.analytics-panel {
  min-height: 260px;
}

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

.bar-row {
  display: grid;
  gap: 7px;
}

.bar-row > div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.bar-row strong {
  min-width: 0;
  overflow: hidden;
  color: var(--text);
  font-size: 14px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.bar-row span {
  color: var(--primary-2);
  font-weight: 800;
  font-variant-numeric: tabular-nums;
}

.bar-row em {
  display: block;
  height: 9px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(6, 50, 122, 0.08);
}

.bar-row i {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--primary), var(--cyan));
}

.knowledge-layout {
  display: grid;
  grid-template-columns: 250px 1fr;
  gap: 16px;
  align-items: start;
}

.department-side {
  position: sticky;
  top: 96px;
  display: grid;
  gap: 8px;
}

.department-side button {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 42px;
  padding: 9px 10px;
  border: 1px solid transparent;
  border-radius: 6px;
  background: transparent;
  color: var(--text);
  text-align: left;
}

.department-side button.active,
.department-side button:hover {
  border-color: var(--line);
  background: var(--surface-soft);
  color: var(--primary);
}

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

.knowledge-card,
.info-card {
  padding: 18px;
  transition: 180ms ease;
}

.card-top,
.card-meta,
.tag-row,
.card-actions,
.article-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.card-top {
  justify-content: space-between;
  margin-bottom: 12px;
}

.tag,
.status,
.tag-row span {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 4px 8px;
  border-radius: 6px;
  background: rgba(6, 50, 122, 0.08);
  color: var(--primary);
  font-size: 12px;
  font-weight: 700;
}

.status.ok {
  color: var(--green);
  background: rgba(31, 157, 109, 0.12);
}

.status.warn {
  color: var(--orange);
  background: rgba(217, 121, 22, 0.12);
}

.status.danger {
  color: var(--red);
  background: rgba(201, 52, 66, 0.12);
}

.knowledge-card h2,
.info-card h2 {
  margin-bottom: 9px;
}

.tag-row {
  margin: 14px 0;
}

.card-meta {
  color: var(--muted);
  font-size: 13px;
}

.card-actions {
  margin-top: 16px;
}

.detail-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 16px;
  align-items: start;
}

.article-panel {
  padding: 28px;
}

.article-panel h2 {
  margin: 26px 0 10px;
  color: var(--primary);
}

.article-panel p {
  line-height: 1.8;
  color: #2c3a4f;
}

.article-meta {
  padding: 14px;
  border-radius: 8px;
  background: var(--surface-soft);
}

.article-meta span {
  min-width: 140px;
  color: var(--muted);
}

.article-meta b {
  display: block;
  color: var(--text);
  margin-bottom: 4px;
}

.attachment-list,
.side-stack,
.timeline,
.feedback-form {
  display: grid;
  gap: 10px;
}

.attachment {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 48px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-soft);
  color: var(--text);
  padding: 10px 12px;
}

.timeline div {
  padding: 12px;
  border-left: 3px solid var(--primary-2);
  background: var(--surface-soft);
  border-radius: 0 8px 8px 0;
}

.timeline span,
.timeline p {
  display: block;
  margin: 5px 0 0;
  color: var(--muted);
  line-height: 1.55;
}

.ai-hero {
  display: grid;
  grid-template-columns: 1fr minmax(420px, 0.7fr);
  gap: 20px;
  align-items: center;
  padding: 24px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--primary), #315a9c 56%, #f0f5fb);
  color: #fff;
}

.ai-hero h1 {
  max-width: 760px;
  font-size: 32px;
}

.ai-workbench {
  display: grid;
  grid-template-columns: minmax(320px, 0.42fr) minmax(0, 1fr);
  gap: 16px;
  margin-top: 16px;
  align-items: start;
}

.rag-workbench {
  display: grid;
  grid-template-columns: minmax(320px, 0.36fr) minmax(0, 1fr);
  gap: 16px;
  margin-top: 16px;
  align-items: start;
}

.rag-source-panel {
  position: sticky;
  top: 96px;
  display: grid;
  gap: 16px;
}

.source-dock {
  display: grid;
  gap: 10px;
  max-height: 360px;
  overflow: auto;
  padding-right: 2px;
}

.source-chip {
  display: grid;
  gap: 5px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-soft);
  color: var(--text);
  text-align: left;
}

.source-chip:hover {
  border-color: var(--line-strong);
  box-shadow: 0 10px 22px rgba(20, 32, 51, 0.07);
}

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

.rag-chat {
  display: grid;
  gap: 16px;
}

.ai-form {
  position: sticky;
  top: 96px;
}

.ai-form textarea {
  min-height: 164px;
}

.rag-question {
  position: static;
}

.example-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.example-row button {
  min-height: 30px;
  padding: 5px 9px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface-soft);
  color: var(--primary-2);
  font-size: 12px;
}

.upload-doc-form {
  display: grid;
  gap: 10px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.upload-doc-form h3 {
  margin: 0;
  font-size: 15px;
}

.upload-doc-form input[type="file"] {
  min-height: auto;
  padding: 9px;
}

.check-line {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 13px;
}

.check-line input {
  width: auto;
  min-height: auto;
}

.form-inline {
  margin-top: 12px;
}

.form-inline select {
  flex: 1 1 160px;
}

.answer-panel {
  min-height: 440px;
}

.rag-answer {
  display: grid;
  gap: 16px;
}

.rag-response {
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.rag-response:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.answer-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

.answer-head h2 {
  margin: 8px 0 0;
  font-size: 20px;
}

.answer-body h3 {
  margin: 24px 0 8px;
  color: var(--primary);
}

.answer-body p,
.answer-body li {
  color: #2d3c50;
  line-height: 1.75;
}

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

.rag-source-list {
  gap: 12px;
}

.source-card {
  display: grid;
  gap: 10px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-soft);
}

.source-card strong,
.source-card span {
  display: block;
}

.source-card span {
  margin-top: 5px;
  color: var(--muted);
  font-size: 13px;
}

.source-card p {
  max-height: 128px;
  overflow: auto;
  margin: 0;
  padding: 10px;
  border-left: 3px solid var(--primary-2);
  background: #fff;
  border-radius: 0 8px 8px 0;
}

.source-list button {
  display: grid;
  gap: 5px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-soft);
  text-align: left;
}

.source-list span,
.source-list em {
  color: var(--muted);
  font-style: normal;
}

.follow-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.loading {
  display: grid;
  place-items: center;
  min-height: 320px;
  gap: 14px;
  color: var(--primary);
}

.loading span {
  width: 42px;
  height: 42px;
  border: 4px solid rgba(6, 50, 122, 0.15);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 900ms linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

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

.topic-card {
  display: grid;
  gap: 12px;
}

.progress {
  height: 8px;
  border-radius: 999px;
  background: #e6edf5;
  overflow: hidden;
}

.progress span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--primary-2), var(--cyan));
}

.list-mini {
  min-height: 38px;
  padding: 8px 10px;
}

.table-panel {
  overflow: hidden;
}

.table-wrap,
.table-panel {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 760px;
}

th,
td {
  padding: 12px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  color: var(--muted);
  background: var(--surface-soft);
  font-size: 13px;
  white-space: nowrap;
}

.profile-grid {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 16px;
}

.profile-grid .panel:nth-child(3) {
  grid-column: 1 / -1;
}

.kv {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 12px;
  align-items: center;
}

.kv span {
  color: var(--muted);
}

.auth-page {
  min-height: 100vh;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 430px;
  gap: 28px;
  align-items: center;
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
  padding: 46px 0;
}

.auth-brand {
  min-height: 520px;
  display: grid;
  align-content: center;
  gap: 22px;
  padding: 32px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--primary), #0f5da8);
  color: #fff;
  box-shadow: var(--shadow);
}

.auth-brand .brand-block {
  background: #fff;
}

.auth-brand h1 {
  font-size: 48px;
}

.auth-card {
  padding: 28px;
  border-radius: 8px;
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.auth-card h2 {
  margin: 0 0 18px;
}

.auth-card form {
  display: grid;
  gap: 12px;
}

.sample-accounts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin: 16px 0;
}

.sample-accounts button {
  min-height: 36px;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--primary);
  background: var(--surface-soft);
}

.admin-layout {
  display: grid;
  grid-template-columns: 230px 1fr;
  gap: 16px;
  align-items: start;
}

.admin-menu {
  position: sticky;
  top: 96px;
  display: grid;
  gap: 8px;
}

.admin-menu button {
  min-height: 42px;
  padding: 9px 12px;
  border: 1px solid transparent;
  border-radius: 6px;
  background: transparent;
  color: var(--text);
  text-align: left;
}

.admin-menu button.active,
.admin-menu button:hover {
  color: var(--primary);
  border-color: var(--line);
  background: var(--surface-soft);
}

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

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

.quality-grid > div {
  padding: 14px;
  border-radius: 8px;
  background: var(--surface-soft);
  border: 1px solid var(--line);
}

.quality-grid span,
.quality-grid em {
  display: block;
  color: var(--muted);
  font-style: normal;
}

.quality-grid strong {
  display: block;
  margin: 8px 0;
  color: var(--primary);
  font-size: 28px;
}

.editor {
  display: grid;
  grid-template-columns: 330px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
}

.editor-list {
  display: grid;
  gap: 8px;
  max-height: calc(100vh - 220px);
  overflow: auto;
}

.editor-list button {
  display: grid;
  gap: 4px;
  min-height: 56px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-soft);
  text-align: left;
}

.editor-list button.active {
  border-color: var(--primary-2);
  background: rgba(15, 93, 168, 0.08);
}

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

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

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

.form-grid label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 13px;
}

.form-grid label.full {
  grid-column: 1 / -1;
}

.empty-state {
  display: grid;
  place-items: center;
  min-height: 160px;
  padding: 24px;
  border: 1px dashed var(--line-strong);
  border-radius: 8px;
  color: var(--muted);
  background: var(--surface-soft);
  text-align: center;
}

.toast {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 80;
  min-width: 180px;
  padding: 12px 16px;
  border-radius: 8px;
  color: #fff;
  background: var(--primary);
  box-shadow: var(--shadow);
  animation: toastIn 220ms ease-out both;
}

@keyframes toastIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 70;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(20, 32, 51, 0.46);
}

.modal {
  width: min(980px, 100%);
  max-height: min(720px, 90vh);
  overflow: auto;
  padding: 22px;
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--shadow);
}

.mindmap-modal {
  width: min(1180px, 100%);
}

.xmind-canvas {
  position: relative;
  display: grid;
  grid-template-columns: 260px minmax(620px, 1fr);
  gap: 46px;
  align-items: center;
  min-width: 900px;
  padding: 26px 22px 28px;
  border: 1px solid #d7e2ef;
  border-radius: 8px;
  background:
    linear-gradient(90deg, rgba(6, 50, 122, 0.035) 1px, transparent 1px),
    linear-gradient(180deg, rgba(6, 50, 122, 0.035) 1px, transparent 1px),
    #fbfdff;
  background-size: 28px 28px;
}

.xmind-canvas::before {
  content: "";
  position: absolute;
  left: 282px;
  top: 50%;
  width: 38px;
  height: 2px;
  background: #8fb3d9;
}

.xmind-root-wrap {
  display: grid;
  gap: 10px;
  justify-items: center;
}

.xmind-topic {
  position: relative;
  border: 1px solid #c8d8ea;
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 10px 22px rgba(20, 32, 51, 0.08);
}

.xmind-root {
  display: grid;
  place-items: center;
  min-height: 132px;
  width: 230px;
  padding: 20px;
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  border-color: rgba(255, 255, 255, 0.24);
  text-align: center;
  font-size: 20px;
  font-weight: 800;
  line-height: 1.35;
}

.xmind-summary {
  max-width: 230px;
  padding: 8px 10px;
  border-radius: 8px;
  background: rgba(6, 50, 122, 0.08);
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
  text-align: center;
}

.xmind-branches {
  position: relative;
  display: grid;
  gap: 14px;
}

.xmind-branches::before {
  content: "";
  position: absolute;
  left: -24px;
  top: 26px;
  bottom: 26px;
  width: 2px;
  background: #8fb3d9;
}

.xmind-branch {
  position: relative;
  display: grid;
  grid-template-columns: 178px minmax(360px, 1fr);
  gap: 16px;
  align-items: start;
}

.xmind-branch::before {
  content: "";
  position: absolute;
  left: -24px;
  top: 22px;
  width: 24px;
  height: 2px;
  background: #8fb3d9;
}

.xmind-main-topic {
  min-height: 46px;
  padding: 12px 14px;
  color: #fff;
  background: var(--primary-2);
  border-color: transparent;
  font-weight: 800;
  text-align: center;
}

.branch-1 .xmind-main-topic { background: var(--green); }
.branch-2 .xmind-main-topic { background: var(--orange); }
.branch-3 .xmind-main-topic { background: var(--purple); }
.branch-4 .xmind-main-topic { background: var(--cyan); }

.xmind-subtopics {
  display: grid;
  grid-template-columns: repeat(2, minmax(180px, 1fr));
  gap: 10px;
}

.xmind-node {
  position: relative;
  display: grid;
  gap: 6px;
}

.xmind-node::before {
  content: "";
  position: absolute;
  left: -16px;
  top: 19px;
  width: 16px;
  height: 2px;
  background: #b9cce0;
}

.xmind-subtopic {
  min-height: 38px;
  padding: 9px 12px;
  color: var(--text);
  font-weight: 700;
  line-height: 1.45;
}

.xmind-note {
  margin-left: 10px;
  padding: 6px 8px;
  border-left: 3px solid #d4e2f1;
  color: var(--muted);
  background: rgba(248, 250, 252, 0.9);
  border-radius: 0 6px 6px 0;
  font-size: 12px;
  line-height: 1.55;
}

.xmind-nested {
  display: grid;
  gap: 7px;
  margin-left: 18px;
}

.xmind-relations {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 12px;
}

.xmind-relations span {
  padding: 6px 9px;
  border: 1px dashed #9fb7d2;
  border-radius: 999px;
  color: var(--muted);
  background: #f8fbff;
  font-size: 12px;
}

@media (max-width: 1180px) {
  .hero,
  .ai-hero,
  .home-grid,
  .detail-grid,
  .ai-workbench,
  .rag-workbench,
  .profile-grid,
  .auth-page {
    grid-template-columns: 1fr;
  }

  .department-grid,
  .metrics,
  .card-grid,
  .quality-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .ai-form,
  .rag-source-panel,
  .department-side,
  .admin-menu {
    position: static;
  }
}

@media (max-width: 820px) {
  .topbar {
    grid-template-columns: auto 1fr auto;
    padding: 10px 14px;
  }

  .mobile-menu {
    display: inline-grid;
    place-items: center;
  }

  .brand-mark {
    width: 150px;
    height: 46px;
  }

  .main-nav {
    display: none;
    position: absolute;
    left: 12px;
    right: 12px;
    top: 70px;
    padding: 10px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #fff;
    box-shadow: var(--shadow);
    flex-wrap: wrap;
  }

  .main-nav.open {
    display: flex;
  }

  .user-chip button {
    min-width: 0;
    width: 54px;
    overflow: hidden;
    text-align: center;
    white-space: nowrap;
  }

  .page,
  .home,
  .auth-page {
    width: calc(100vw - 48px);
    max-width: 1440px;
  }

  .producer-footer {
    width: calc(100vw - 48px);
    text-align: center;
  }

  .hero {
    padding: 20px;
    grid-template-columns: minmax(0, 1fr);
  }

  .hero > *,
  .search-hero > *,
  .brand-block > * {
    max-width: 100%;
    min-width: 0;
  }

  .hero h1 {
    font-size: 42px;
  }

  .search-hero,
  .filterbar,
  .knowledge-layout,
  .admin-layout,
  .editor {
    grid-template-columns: 1fr;
  }

  .knowledge-list,
  .department-grid,
  .metrics,
  .analytics-grid,
  .card-grid,
  .quality-grid,
  .form-grid,
  .brand-block.compact {
    grid-template-columns: 1fr;
  }

  .brand-block {
    padding: 18px;
  }

  .brand-logo-img {
    height: 82px;
  }

  .brand-slogan-img {
    height: 62px;
  }

  .brand-block.compact .brand-logo-img {
    height: 62px;
  }

  .brand-block.compact .brand-slogan-img {
    height: 48px;
  }

  .page-head,
  .answer-head {
    align-items: stretch;
    flex-direction: column;
  }

  .page-head h1 {
    font-size: 28px;
  }

  .auth-brand {
    min-height: auto;
  }
}

@media (max-width: 560px) {
  .hero h1 {
    font-size: 34px;
  }

  .hero-actions,
  .head-actions,
  .form-inline,
  .form-actions,
  .follow-form,
  .card-actions {
    align-items: stretch;
    flex-direction: column;
  }

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

  .primary-btn,
  .ghost-btn,
  .danger-btn {
    width: 100%;
  }

  .metric-card strong {
    font-size: 28px;
  }

  .auth-page {
    padding: 20px 0;
  }

  .auth-card,
  .auth-brand {
    padding: 20px;
  }

  .sample-accounts {
    grid-template-columns: 1fr;
  }
}