:root {
  color-scheme: light;
  --bg: #f9fafb;
  --surface: #ffffff;
  --surface-muted: #f3f4f6;
  --line: #e5e7eb;
  --line-strong: #d1d5db;
  --text: #111827;
  --muted: #4b5563;
  --subtle: #9ca3af;
  --accent: #111827;
  --rust: #a33d2e;
  --rust-muted: #f6ebe8;
  --danger: #b42318;
  --warning: #8a5a00;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px -1px rgba(0, 0, 0, 0.08);
  --shadow-soft: 0 4px 12px rgba(0, 0, 0, 0.08);
  font-family:
    Georgia, "Times New Roman", "Songti SC", STSong, "Noto Serif CJK SC",
    serif;
  font-size: 14px;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

button {
  color: inherit;
}

.app-shell {
  min-height: 100vh;
}

.boot-screen {
  min-height: 100vh;
  display: grid;
  place-items: center;
}

.boot-logo {
  width: min(320px, 72vw);
}

.login-layout {
  display: grid;
  place-items: center;
  padding: 32px;
}

.login-page {
  width: min(420px, 100%);
  display: block;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.page-heading h1,
.empty-state h1 {
  margin: 0;
  font-size: 28px;
  line-height: 1.1;
  letter-spacing: 0;
}

.login-card {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 24px;
  padding: 36px;
  background: var(--surface);
}

.login-heading {
  display: grid;
  gap: 8px;
}

.wordmark-text {
  margin-bottom: 12px;
  color: var(--rust);
  font-size: 24px;
  font-weight: 700;
  letter-spacing: 0;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--subtle);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
}

.login-card h2,
.model-strip h2,
.form-heading h2,
.panel-heading h2 {
  margin: 0;
  font-size: 18px;
  letter-spacing: 0;
}

.login-form {
  display: grid;
  gap: 16px;
}

.login-form label,
.form-grid label {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 13px;
}

.login-form input,
.form-grid input,
.stock-review-form input,
.stock-review-form select {
  width: 100%;
  min-width: 0;
  border: 1px solid var(--line);
  outline: none;
  border-radius: 8px;
  padding: 10px 12px;
  background: var(--surface);
  color: var(--text);
  font-size: 13px;
}

.login-form input:focus,
.form-grid input:focus,
.stock-review-form input:focus,
.stock-review-form select:focus,
.review-editor:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(17, 24, 39, 0.08);
}

.primary-button,
.secondary-button,
.ghost-button,
.nav-link,
.brand-button,
.icon-button,
.tab-button,
.mini-button,
.sidebar-link {
  cursor: pointer;
}

.primary-button,
.secondary-button {
  min-height: 44px;
  border: 1px solid var(--accent);
  border-radius: 8px;
  padding: 0 16px;
  background: var(--accent);
  color: #ffffff;
  font-size: 13px;
  font-weight: 600;
}

.primary-button:disabled {
  cursor: wait;
  opacity: 0.65;
}

.mini-button:disabled,
.secondary-button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.secondary-button {
  width: fit-content;
  border-color: var(--line-strong);
  background: var(--surface);
  color: var(--text);
}

.form-message {
  min-height: 20px;
  margin: 0;
  color: var(--warning);
  font-size: 13px;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 18px;
  min-height: 60px;
  padding: 0 32px;
  border-bottom: 1px solid rgba(216, 221, 229, 0.72);
  background: rgba(247, 248, 250, 0.86);
  backdrop-filter: blur(18px);
}

.brand-button {
  display: inline-flex;
  align-items: center;
  border: 0;
  padding: 0;
  background: transparent;
  color: var(--rust);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0;
}

.topbar nav {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

.top-actions {
  align-items: center;
}

.nav-link,
.tab-button,
.mini-button {
  border: 1px solid transparent;
  background: transparent;
  color: var(--muted);
}

.nav-link {
  padding: 8px 12px;
}

.nav-link.active,
.nav-link:hover,
.tab-button.active,
.tab-button:hover,
.mini-button:hover {
  border-color: var(--line);
  color: var(--text);
  background: var(--surface-muted);
}

.icon-button {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--line);
  background: var(--surface);
}

.icon-button svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2;
}

.top-icon-button,
.account-trigger,
.account-popover button {
  border: 0;
  background: transparent;
  cursor: pointer;
}

.top-icon-button {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border: 1px solid transparent;
  border-radius: 8px;
  color: var(--muted);
}

.top-icon-button:hover,
.top-icon-button:focus-visible {
  border-color: var(--line);
  background: var(--surface);
  color: var(--text);
}

.top-icon-button svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2;
}

.account-menu {
  position: relative;
}

.account-trigger {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 42px;
  padding: 3px 3px 3px 12px;
  border-radius: 999px;
}

.account-trigger:hover,
.account-trigger:focus-visible {
  background: var(--rust-muted);
}

.account-name {
  max-width: 160px;
  overflow: hidden;
  color: var(--rust);
  font-size: 13px;
  font-weight: 600;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.avatar {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--rust);
  color: #ffffff;
  font-size: 13px;
  font-weight: 700;
}

.account-popover {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  min-width: 132px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 6px;
  background: var(--surface);
  box-shadow: var(--shadow-soft);
}

.account-popover button {
  width: 100%;
  min-height: 38px;
  border-radius: 6px;
  padding: 0 12px;
  color: var(--text);
  text-align: left;
}

.account-popover button:hover {
  background: var(--surface-muted);
}

.workspace,
.main-layout {
  width: min(1180px, calc(100% - 64px));
  margin: 0 auto;
  padding: 36px 0 64px;
}

.main-layout {
  display: grid;
  grid-template-columns: 172px minmax(0, 1fr);
  gap: 28px;
}

.side-panel,
.overview-band,
.empty-state,
.model-strip,
.config-form,
.data-panel,
.user-panel,
.tool-home,
.tool-workspace,
.blank-tool-state {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
}

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

.side-panel {
  align-self: start;
  position: sticky;
  top: 88px;
  overflow: hidden;
  padding: 6px;
  box-shadow: var(--shadow);
}

.side-title {
  padding: 10px 12px;
  color: var(--subtle);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
}

.sidebar-link {
  width: 100%;
  display: flex;
  align-items: center;
  border: 0;
  border-radius: 8px;
  padding: 11px 12px;
  background: transparent;
  color: var(--muted);
  font-size: 13px;
  text-align: left;
}

.sidebar-link:last-child {
  border-bottom: 0;
}

.sidebar-link span {
  font-weight: 500;
}

.sidebar-link.active,
.sidebar-link:hover {
  background: var(--rust-muted);
  color: var(--rust);
}

.page-heading,
.overview-band {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 240px;
  gap: 20px;
  align-items: end;
}

.overview-band {
  padding: 24px;
}

.overview-band.compact {
  grid-template-columns: 1fr;
}

.overview-band p,
.empty-state p,
.channel-card p {
  color: var(--muted);
  line-height: 1.6;
}

.user-panel {
  display: grid;
  gap: 4px;
  padding: 12px;
}

.user-panel span,
.user-panel small {
  color: var(--subtle);
}

.user-panel strong {
  overflow-wrap: anywhere;
}

.model-strip {
  display: grid;
  grid-template-columns: minmax(0, 220px) 1fr;
  gap: 16px;
  align-items: center;
  margin-top: 18px;
  padding: 16px;
}

.model-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.model-pills span,
.state-pill {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  border: 1px solid var(--line);
  padding: 5px 10px;
  color: var(--muted);
  background: var(--surface-muted);
  font-size: 12px;
}

.tool-home,
.tool-workspace {
  min-height: 420px;
  border-color: rgba(216, 221, 229, 0.72);
  padding: 24px;
  box-shadow: var(--shadow);
}

.tool-home-heading,
.tool-workspace-heading {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
}

.tool-home-heading h2,
.tool-workspace-heading h2 {
  margin: 0;
  font-size: 24px;
  letter-spacing: 0;
}

.tool-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 18px;
}

.tool-card {
  position: relative;
  display: grid;
  min-width: 0;
  min-height: 118px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px;
  background: var(--surface);
  box-shadow: var(--shadow);
  text-align: center;
  cursor: pointer;
  transition:
    border-color 160ms ease,
    box-shadow 160ms ease,
    transform 160ms ease;
}

.tool-card::before {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--rust);
  content: "";
}

.tool-card:hover,
.tool-card:focus-visible {
  border-color: rgba(163, 61, 46, 0.42);
  box-shadow: var(--shadow-soft);
  transform: translateY(-2px);
}

.tool-card span {
  overflow-wrap: anywhere;
  font-size: 15px;
  font-weight: 600;
}

.blank-tool-state {
  display: grid;
  min-height: 360px;
  align-content: center;
  justify-items: center;
  background: var(--surface);
}

.blank-tool-state h1 {
  margin: 0;
  font-size: 26px;
  font-weight: 600;
  letter-spacing: 0;
}

.stock-review-workspace {
  display: grid;
  gap: 20px;
}

.stock-review-layout {
  display: grid;
  grid-template-columns: minmax(260px, 320px) minmax(0, 1fr);
  gap: 16px;
  align-items: start;
}

.stock-review-form,
.review-editor-panel,
.history-drawer {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.stock-review-form {
  display: grid;
  gap: 14px;
  padding: 16px;
}

.stock-review-form label {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 13px;
}

.stock-review-form select {
  appearance: none;
  background-image:
    linear-gradient(45deg, transparent 50%, var(--muted) 50%),
    linear-gradient(135deg, var(--muted) 50%, transparent 50%);
  background-position:
    calc(100% - 17px) 50%,
    calc(100% - 12px) 50%;
  background-size:
    5px 5px,
    5px 5px;
  background-repeat: no-repeat;
  padding-right: 32px;
}

.compact-fields {
  gap: 10px;
}

.stock-search-results {
  display: grid;
  max-height: 220px;
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-muted);
}

.stock-search-results.muted,
.history-empty {
  padding: 14px;
  color: var(--subtle);
  font-size: 13px;
}

.stock-result,
.version-item {
  width: 100%;
  min-width: 0;
  border: 0;
  border-bottom: 1px solid var(--line);
  background: transparent;
  cursor: pointer;
  text-align: left;
}

.stock-result {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 4px 10px;
  padding: 10px 12px;
}

.stock-result:last-child,
.version-item:last-child {
  border-bottom: 0;
}

.stock-result:hover,
.stock-result.active,
.version-item:hover,
.version-item.active {
  background: var(--rust-muted);
}

.stock-result strong,
.version-item strong {
  min-width: 0;
  overflow: hidden;
  color: var(--text);
  font-weight: 600;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.stock-result span,
.stock-result small,
.version-item span,
.version-item small {
  color: var(--muted);
  font-size: 12px;
}

.stock-result small {
  grid-column: 1 / -1;
}

.selected-stock-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  min-height: 38px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px 10px;
  background: var(--surface-muted);
  color: var(--muted);
  font-size: 12px;
}

.selected-stock-strip strong {
  color: var(--text);
}

.review-editor-panel,
.history-drawer {
  overflow: hidden;
}

.compact-heading {
  align-items: center;
  padding: 14px;
}

.compact-heading h2 {
  font-size: 16px;
}

.review-meta-line {
  min-height: 38px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 10px 14px;
  color: var(--muted);
  background: var(--surface-muted);
  font-size: 12px;
  line-height: 1.5;
  overflow-wrap: anywhere;
}

.review-editor {
  display: block;
  width: 100%;
  min-height: 560px;
  resize: vertical;
  border: 0;
  outline: none;
  padding: 16px;
  background: var(--surface);
  color: var(--text);
  font-family:
    "SFMono-Regular", Consolas, "Liberation Mono", "Menlo", monospace;
  font-size: 13px;
  line-height: 1.75;
}

.markdown-preview {
  min-height: 560px;
  max-height: 760px;
  overflow: auto;
  padding: 22px;
  background: var(--surface);
  color: var(--text);
  line-height: 1.8;
}

.markdown-preview.empty {
  display: grid;
  align-content: center;
  justify-items: center;
  color: var(--subtle);
}

.markdown-preview h1,
.markdown-preview h2,
.markdown-preview h3,
.markdown-preview h4 {
  margin: 0 0 14px;
  color: var(--text);
  line-height: 1.35;
  letter-spacing: 0;
}

.markdown-preview h1 {
  font-size: 24px;
}

.markdown-preview h2 {
  font-size: 20px;
}

.markdown-preview h3,
.markdown-preview h4 {
  font-size: 17px;
}

.markdown-preview p,
.markdown-preview ul,
.markdown-preview figure {
  margin: 0 0 16px;
}

.markdown-preview ul {
  padding-left: 22px;
}

.markdown-preview a {
  color: var(--rust);
}

.markdown-preview code {
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 1px 5px;
  background: var(--surface-muted);
  font-size: 12px;
}

.markdown-preview figure {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-muted);
}

.markdown-preview figure img,
.markdown-preview .inline-md-image {
  display: block;
  width: 100%;
  max-height: 420px;
  object-fit: contain;
  background: #ffffff;
}

.markdown-preview figcaption {
  padding: 8px 10px;
  color: var(--muted);
  font-size: 12px;
}

.segmented-control {
  display: inline-flex;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-muted);
}

.segmented-control button {
  min-height: 30px;
  border: 0;
  border-right: 1px solid var(--line);
  padding: 0 10px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-size: 12px;
}

.segmented-control button:last-child {
  border-right: 0;
}

.segmented-control button.active {
  background: var(--surface);
  color: var(--text);
  font-weight: 600;
}

.drawer-backdrop {
  position: fixed;
  inset: 0;
  z-index: 30;
  background: rgba(17, 24, 39, 0.18);
}

.history-drawer {
  position: fixed;
  top: 0;
  right: 0;
  z-index: 31;
  width: min(420px, 92vw);
  height: 100vh;
  border-top: 0;
  border-right: 0;
  border-bottom: 0;
  border-radius: 0;
  box-shadow: var(--shadow-soft);
}

.version-list {
  display: grid;
  max-height: calc(100vh - 76px);
  overflow: auto;
}

.version-item {
  display: grid;
  gap: 6px;
  padding: 12px 14px;
}

.admin-tabs {
  display: flex;
  gap: 8px;
  margin: 18px 0;
}

.tab-button {
  min-height: 38px;
  padding: 0 14px;
  font-size: 13px;
}

.admin-console {
  display: grid;
  grid-template-columns: minmax(320px, 400px) minmax(0, 1fr);
  gap: 18px;
  align-items: start;
}

.config-form {
  display: grid;
  gap: 18px;
  padding: 20px;
}

.form-heading,
.panel-heading {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
}

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

.span-2 {
  grid-column: 1 / -1;
}

.toggle-field {
  grid-column: 1 / -1;
  display: flex !important;
  align-items: center;
}

.toggle-field input {
  width: 18px;
  height: 18px;
}

.form-actions {
  display: grid;
  gap: 10px;
}

.data-panel {
  overflow: hidden;
}

.panel-heading {
  padding: 20px;
  border-bottom: 1px solid var(--line);
}

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

.data-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 720px;
}

.data-table th,
.data-table td {
  border-bottom: 1px solid var(--line);
  padding: 11px 14px;
  text-align: left;
  vertical-align: top;
  font-size: 13px;
}

.data-table th {
  color: var(--subtle);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
}

.data-table td {
  color: var(--muted);
}

.data-table strong {
  color: var(--text);
}

.url-cell {
  max-width: 260px;
  overflow-wrap: anywhere;
}

.state-pill {
  min-height: 28px;
  font-size: 11px;
}

.state-pill.enabled {
  border-color: #b7d7bd;
  color: #176b35;
  background: #edf8ef;
}

.row-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.mini-button {
  min-height: 30px;
  padding: 0 10px;
}

.mini-button.danger:hover {
  border-color: #f1b7b2;
  color: var(--danger);
  background: #fff4f2;
}

.table-empty {
  padding: 26px;
  color: var(--muted);
}

.empty-state {
  display: grid;
  gap: 14px;
  justify-items: start;
  min-height: 320px;
  align-content: center;
  margin-top: 18px;
  padding: 24px;
}

.empty-state.compact-state {
  min-height: 260px;
}

@media (max-width: 860px) {
  .login-layout {
    padding: 18px;
  }

  .login-page,
  .main-layout,
  .page-heading,
  .overview-band,
  .model-strip,
  .admin-console,
  .stock-review-layout {
    grid-template-columns: 1fr;
  }

  .login-card {
    padding: 28px;
  }

  .topbar {
    grid-template-columns: auto 1fr;
    padding: 0 16px;
  }

  .topbar nav {
    justify-content: flex-end;
  }

  .workspace,
  .main-layout {
    width: min(100% - 32px, 1180px);
    padding-top: 24px;
  }

  .side-panel {
    position: static;
  }

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

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

  .review-editor {
    min-height: 420px;
  }

  .account-name {
    max-width: 96px;
  }
}

@media (max-width: 520px) {
  .tool-grid {
    grid-template-columns: 1fr;
  }

  .tool-workspace-heading {
    flex-direction: column-reverse;
  }
}

@keyframes breathe {
  0%,
  100% {
    box-shadow: 0 12px 32px rgba(18, 24, 35, 0.08);
  }

  50% {
    box-shadow: 0 16px 42px rgba(18, 24, 35, 0.13);
  }
}