:root {
  --page: #f4f6f9;
  --surface: #ffffff;
  --surface-muted: #f8fafc;
  --line: #d9e1ec;
  --line-strong: #bdc9d8;
  --ink: #142033;
  --muted: #65758a;
  --blue: #155e9f;
  --blue-dark: #0d416f;
  --blue-soft: #e7f0f8;
  --teal: #217c7e;
  --green: #32734d;
  --amber: #a66d12;
  --red: #b04a4a;
  --shadow: 0 10px 26px rgba(23, 42, 70, 0.08);
  --radius: 8px;
  --maxw: 1180px;
  --font: "Noto Sans SC", "Microsoft YaHei", "PingFang SC", "Segoe UI", Arial, sans-serif;
  --serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", Georgia, serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body.db-app {
  min-height: 100vh;
  color: var(--ink);
  background:
    linear-gradient(180deg, #ffffff 0, #ffffff 250px, var(--page) 251px),
    var(--page);
  font-family: var(--font);
  font-size: 15px;
  letter-spacing: 0;
}

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

button,
input,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

[hidden],
.is-hidden {
  display: none !important;
}

.ald-topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  border-top: 4px solid var(--blue);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(10px);
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-top: 4px solid var(--blue);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(10px);
}

.site-header__inner {
  width: min(calc(100% - 32px), var(--maxw));
  min-height: 70px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand {
  min-width: 210px;
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.brand__mark {
  width: 38px;
  height: 38px;
  border: 1px solid #c7d8ea;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--blue);
  background: #f2f7fc;
}

.brand strong {
  display: block;
  font-family: var(--serif);
  font-size: 22px;
  line-height: 1;
  font-weight: 800;
}

.brand small {
  display: block;
  margin-top: 5px;
  color: var(--muted);
  font-size: 12px;
}

.site-nav {
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 6px;
  flex-wrap: wrap;
}

.site-nav a {
  min-height: 36px;
  border-radius: 999px;
  padding: 0 13px;
  display: inline-flex;
  align-items: center;
  color: #40536b;
  font-size: 14px;
  font-weight: 600;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--blue);
  background: var(--blue-soft);
}

.page-main {
  width: min(calc(100% - 32px), var(--maxw));
  margin: 0 auto;
  padding: 36px 0 56px;
}

.ald-topbar__inner {
  width: min(calc(100% - 32px), var(--maxw));
  min-height: 70px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.ald-brand {
  min-width: 210px;
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.ald-brand__mark {
  width: 38px;
  height: 38px;
  border: 1px solid #c7d8ea;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--blue);
  background: #f2f7fc;
}

.ald-brand strong {
  display: block;
  font-family: var(--serif);
  font-size: 22px;
  line-height: 1;
  font-weight: 800;
  letter-spacing: 0;
}

.ald-brand small {
  display: block;
  margin-top: 5px;
  color: var(--muted);
  font-size: 12px;
}

.module-nav {
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 6px;
  flex-wrap: wrap;
}

.module-link {
  min-height: 36px;
  border-radius: 999px;
  padding: 0 13px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: #40536b;
  font-size: 14px;
  font-weight: 600;
}

.module-link i {
  color: #6e879f;
  font-size: 13px;
}

.module-link:hover,
.module-link[aria-current="page"] {
  color: var(--blue);
  background: var(--blue-soft);
}

.module-link[aria-current="page"] {
  font-weight: 800;
}

.db-shell {
  width: min(calc(100% - 32px), var(--maxw));
  margin: 0 auto;
  padding: 36px 0 56px;
}

.db-page-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 28px;
  align-items: end;
  margin-bottom: 22px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
}

.db-page-kicker {
  margin: 0 0 10px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.db-page-head h1 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.12;
  font-weight: 800;
  letter-spacing: 0;
}

.db-page-head p {
  max-width: 760px;
  margin: 14px 0 0;
  color: var(--muted);
  line-height: 1.8;
}

.db-tabs {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.db-tab {
  min-height: 36px;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0 14px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: #fff;
  color: #35516f;
  font-size: 14px;
  font-weight: 700;
}

.db-tab:hover,
.db-tab[aria-current="page"] {
  border-color: #b6cbe1;
  color: var(--blue);
  background: #f8fbff;
}

.db-landing {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: 22px;
  align-items: stretch;
}

.db-intro-panel,
.db-scope-panel,
.db-search-panel,
.db-results,
.periodic-panel,
.filter-strip,
.literature-hero {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.db-intro-panel {
  padding: 28px;
}

.db-intro-panel h2 {
  margin: 0;
  font-family: var(--serif);
  font-size: 26px;
  line-height: 1.28;
}

.db-intro-panel p {
  margin: 14px 0 0;
  color: var(--muted);
  line-height: 1.8;
}

.db-stat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 26px;
}

.db-stat {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px;
  background: var(--surface-muted);
}

.db-stat strong {
  display: block;
  color: var(--blue);
  font-family: var(--serif);
  font-size: 24px;
  line-height: 1;
}

.db-stat span {
  display: block;
  margin-top: 7px;
  color: var(--muted);
  font-size: 13px;
}

.db-hub-grid {
  display: grid;
  gap: 12px;
}

.db-hub-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  padding: 20px;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 16px;
  align-items: center;
  transition: border-color 0.16s ease, transform 0.16s ease, box-shadow 0.16s ease;
}

.db-hub-card:hover {
  border-color: #aec8df;
  transform: translateY(-1px);
  box-shadow: 0 12px 26px rgba(23, 42, 70, 0.1);
}

.db-hub-card__icon {
  width: 48px;
  height: 48px;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--blue);
  background: var(--blue-soft);
  font-size: 20px;
}

.db-hub-card h2 {
  margin: 0;
  font-size: 21px;
  line-height: 1.25;
}

.db-hub-card p {
  margin: 8px 0 0;
  color: var(--muted);
  line-height: 1.65;
}

.db-hub-card__action {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--blue);
  font-weight: 800;
  white-space: nowrap;
}

.db-search-panel__body {
  padding: 20px;
}

.db-search-row {
  display: grid;
  grid-template-columns: minmax(130px, 170px) minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
}

.db-search-row--plain {
  grid-template-columns: minmax(0, 1fr) auto auto;
}

.db-control,
.db-input,
.db-button,
.db-icon-button {
  min-height: 48px;
  border-radius: 6px;
}

.db-control,
.db-input {
  width: 100%;
  border: 1px solid var(--line-strong);
  background: #fff;
  color: var(--ink);
}

.db-control {
  padding: 0 14px;
  font-weight: 700;
}

.db-input {
  padding: 0 16px;
}

.db-input:focus,
.db-control:focus {
  outline: none;
  border-color: #7daed4;
  box-shadow: 0 0 0 3px rgba(21, 94, 159, 0.12);
}

.db-button,
.db-icon-button {
  border: 1px solid transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 800;
}

.db-button {
  padding: 0 22px;
  color: #fff;
  background: var(--blue);
}

.db-button:hover {
  background: var(--blue-dark);
}

.db-icon-button {
  width: 48px;
  color: #3a5069;
  background: #fff;
  border-color: var(--line);
}

.db-help-row {
  margin-top: 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  color: var(--muted);
  font-size: 13px;
}

.quick-chip {
  min-height: 31px;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0 12px;
  display: inline-flex;
  align-items: center;
  background: #fff;
  color: #405b78;
  font-weight: 700;
}

.quick-chip:hover {
  border-color: var(--blue);
  color: var(--blue);
}

.db-status-bar {
  margin: 16px 0 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  padding: 13px 16px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
}

.db-status-bar strong {
  color: var(--ink);
}

.db-results {
  margin-top: 16px;
  overflow: hidden;
}

.db-results__head {
  min-height: 58px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  background: #fbfcfe;
}

.db-results__head h2 {
  margin: 0;
  font-family: var(--serif);
  font-size: 20px;
  line-height: 1.3;
}

.db-count {
  color: var(--muted);
  font-size: 13px;
}

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

.db-table {
  width: 100%;
  border-collapse: collapse;
}

.db-table th,
.db-table td {
  padding: 14px 18px;
  border-bottom: 1px solid #ebeff5;
  text-align: left;
  vertical-align: top;
}

.db-table th {
  color: #304965;
  background: #f8fafc;
  font-size: 13px;
  font-weight: 800;
}

.db-table tbody tr:hover {
  background: #f6f9fc;
}

.db-link {
  color: var(--blue);
  font-weight: 800;
}

.db-link:hover {
  text-decoration: underline;
}

.db-empty {
  padding: 38px 22px;
  color: var(--muted);
  text-align: center;
}

.db-error {
  padding: 20px;
  color: var(--red);
  background: #fff1f1;
}

.db-pagination {
  padding: 13px 16px;
  border-top: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.db-page-actions {
  display: flex;
  gap: 8px;
}

.db-page-button {
  min-height: 34px;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0 14px;
  background: #fff;
  font-weight: 700;
}

.db-page-button:hover:not(:disabled) {
  border-color: var(--blue);
  color: var(--blue);
}

.db-page-button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.periodic-panel {
  margin-top: 16px;
  padding: 16px;
  overflow-x: auto;
}

.periodic-panel__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
  color: var(--muted);
  font-size: 13px;
}

.periodic-grid {
  min-width: 1120px;
  display: grid;
  grid-template-columns: repeat(18, 56px);
  grid-auto-rows: 56px;
  gap: 5px;
}

.element-tile {
  position: relative;
  border: 1px solid rgba(22, 34, 53, 0.08);
  border-radius: 6px;
  padding: 5px;
  background: #eef2f7;
  color: #18304c;
  text-align: center;
  overflow: hidden;
  transition: transform 0.12s ease, box-shadow 0.12s ease, border-color 0.12s ease;
}

.element-tile:hover {
  transform: translateY(-1px);
  box-shadow: 0 5px 12px rgba(20, 48, 86, 0.12);
}

.element-tile.is-selected {
  border-color: var(--blue);
  box-shadow: inset 0 0 0 2px var(--blue);
}

.element-num {
  position: absolute;
  left: 6px;
  top: 4px;
  color: #5f7188;
  font-size: 10px;
}

.element-symbol {
  display: block;
  margin-top: 8px;
  font-size: 19px;
  line-height: 1;
  font-weight: 900;
}

.element-name {
  display: block;
  margin-top: 4px;
  font-size: 9px;
  line-height: 1.1;
}

.cat-alkali,
.cat-alkaline {
  background: #ffe4bd;
}

.cat-transition,
.cat-post,
.cat-lanth,
.cat-act {
  background: #fff6b9;
}

.cat-metalloid {
  background: #c9e8fa;
}

.cat-nonmetal {
  background: #e1e5f6;
}

.cat-halogen,
.cat-noble {
  background: #eadff6;
}

.cat-other {
  background: #c9efd8;
}

.process-list,
.paper-list {
  display: grid;
  gap: 12px;
  padding: 16px;
}

.process-card,
.paper-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  padding: 16px;
}

.process-card h3,
.paper-card h3 {
  margin: 0;
  font-family: var(--serif);
  font-size: 19px;
  line-height: 1.35;
}

.card-meta {
  margin-top: 9px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.card-meta span {
  min-height: 26px;
  border: 1px solid #cfe0f0;
  border-radius: 999px;
  padding: 4px 10px;
  display: inline-flex;
  align-items: center;
  color: #244b75;
  background: #f5f9ff;
  font-size: 12px;
  font-weight: 800;
}

.paper-card p {
  margin: 12px 0 0;
  color: var(--muted);
  line-height: 1.7;
}

.card-actions {
  margin-top: 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.card-action {
  min-height: 34px;
  border-radius: 999px;
  border: 1px solid var(--line);
  padding: 0 13px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: #fff;
  color: #244b75;
  font-size: 13px;
  font-weight: 800;
}

.card-action--primary {
  border-color: var(--blue);
  color: #fff;
  background: var(--blue);
}

.literature-hero {
  padding: 30px;
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(360px, 1fr);
  gap: 26px;
  align-items: center;
}

.literature-hero h1 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(34px, 5vw, 54px);
  line-height: 1.08;
  font-weight: 800;
}

.literature-hero p {
  margin: 16px 0 0;
  color: var(--muted);
  line-height: 1.8;
}

.literature-search {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
}

.filter-strip {
  margin-top: 16px;
  padding: 14px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.filter-strip label {
  color: var(--muted);
  font-weight: 700;
}

.filter-strip select,
.filter-strip input {
  min-height: 36px;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0 12px;
  background: #fff;
}

mark {
  padding: 0 2px;
  color: inherit;
  background: #fff0a8;
}

.site-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.72fr);
  gap: 28px;
  align-items: stretch;
  margin-bottom: 24px;
}

.site-hero__copy,
.site-hero__media,
.site-panel,
.auth-card,
.surface,
.detail-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.site-hero__copy {
  padding: clamp(28px, 5vw, 54px);
}

.site-hero__copy h1,
.auth-card h1,
.surface h2,
.detail-card h2 {
  margin: 0;
  font-family: var(--serif);
  letter-spacing: 0;
}

.site-hero__copy h1 {
  max-width: 840px;
  font-size: clamp(38px, 6vw, 68px);
  line-height: 1.06;
}

.site-hero__copy p {
  max-width: 740px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.9;
}

.site-hero__media {
  min-height: 360px;
  overflow: hidden;
  position: relative;
}

.site-hero__media img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.site-hero__media-caption {
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 18px;
  border: 1px solid rgba(255, 255, 255, 0.45);
  border-radius: var(--radius);
  padding: 12px 14px;
  color: #fff;
  background: rgba(8, 27, 47, 0.72);
}

.site-actions,
.meta-actions,
.action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.site-actions {
  margin-top: 28px;
}

.site-button,
.button,
.inline-button {
  min-height: 40px;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: #244b75;
  background: #fff;
  font-weight: 800;
}

.site-button--primary,
.button--primary {
  border-color: var(--blue);
  color: #fff;
  background: var(--blue);
}

.site-button--primary:hover,
.button--primary:hover {
  background: var(--blue-dark);
}

.site-section {
  margin-top: 22px;
}

.site-section__head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 12px;
}

.site-section__head h2 {
  margin: 0;
  font-family: var(--serif);
  font-size: 28px;
}

.site-section__head p {
  max-width: 680px;
  margin: 6px 0 0;
  color: var(--muted);
  line-height: 1.7;
}

.site-panel {
  padding: 22px;
}

.site-grid,
.workspace-grid,
.detail-grid,
.stat-grid,
.key-grid {
  display: grid;
  gap: 14px;
}

.site-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

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

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

.site-card,
.workspace-card,
.stat-card,
.key-card,
.info-strip {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  padding: 18px;
}

.site-card:hover,
.workspace-card:hover,
.db-hub-card:hover {
  border-color: #b6cbe1;
  box-shadow: 0 12px 28px rgba(23, 42, 70, 0.1);
}

.site-card__icon,
.workspace-card__icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--blue);
  background: var(--blue-soft);
}

.site-card:nth-child(2) .site-card__icon,
.workspace-card:nth-child(2) .workspace-card__icon,
.db-hub-card:nth-child(2) .db-hub-card__icon {
  color: var(--teal);
  background: #e6f4f1;
}

.site-card:nth-child(3) .site-card__icon,
.workspace-card:nth-child(3) .workspace-card__icon,
.db-hub-card:nth-child(3) .db-hub-card__icon {
  color: var(--amber);
  background: #fff4df;
}

.workspace-card:nth-child(4) .workspace-card__icon {
  color: var(--green);
  background: #eaf5ee;
}

.site-card h3,
.workspace-card h3 {
  margin: 16px 0 8px;
  font-family: var(--serif);
  font-size: 22px;
}

.site-card p,
.workspace-card p,
.info-strip__text {
  margin: 0;
  color: var(--muted);
  line-height: 1.75;
}

.site-card__action,
.workspace-card__action {
  margin-top: 18px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--blue);
  font-weight: 800;
}

.site-footer {
  width: min(calc(100% - 32px), var(--maxw));
  margin: 0 auto;
  padding: 24px 0 36px;
  display: flex;
  justify-content: space-between;
  gap: 18px;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

.site-footer strong {
  display: block;
  color: var(--ink);
}

.site-footer p {
  margin: 6px 0 0;
}

.site-footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.auth-layout {
  width: min(calc(100% - 32px), 980px);
  min-height: calc(100vh - 74px);
  margin: 0 auto;
  padding: 48px 0;
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(340px, 0.7fr);
  gap: 22px;
  align-items: center;
}

.auth-card {
  padding: 30px;
}

.auth-card h1 {
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1.12;
}

.auth-card p {
  color: var(--muted);
  line-height: 1.8;
}

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

.auth-form label {
  display: block;
  margin-bottom: 7px;
  color: #41556e;
  font-weight: 800;
}

.auth-form input {
  width: 100%;
  min-height: 46px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0 13px;
  background: #fff;
}

.auth-form input:focus {
  border-color: var(--blue);
  outline: 3px solid rgba(21, 94, 159, 0.12);
}

.auth-hint {
  margin: 7px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.auth-message {
  min-height: 22px;
  color: var(--muted);
}

.auth-message.ok {
  color: var(--green);
}

.auth-message.err {
  color: var(--red);
}

.auth-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  color: var(--blue);
  font-weight: 800;
}

.auth-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--muted);
  font-size: 13px;
}

.auth-divider::before,
.auth-divider::after {
  content: "";
  height: 1px;
  flex: 1;
  background: var(--line);
}

.oauth-button-shell {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px;
  background: #fff;
}

.oauth-label {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-bottom: 10px;
  color: var(--muted);
  font-weight: 800;
}

.surface {
  padding: 22px;
}

.surface-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
}

.surface-head h2 {
  margin: 0;
  font-family: var(--serif);
  font-size: 24px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.page-title {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(32px, 5vw, 52px);
  line-height: 1.1;
}

.page-copy {
  margin: 12px 0 0;
  color: var(--muted);
  line-height: 1.8;
}

.detail-layout {
  display: grid;
  gap: 18px;
}

.hero-slab {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
  padding: 22px;
}

.hero-slab__content,
.hero-slab__aside {
  min-width: 0;
}

.hero-slab__aside {
  border-left: 1px solid var(--line);
  padding-left: 18px;
}

.detail-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.55fr);
  gap: 18px;
}

.detail-card {
  padding: 22px;
}

.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.badge,
.pill {
  border: 1px solid #cfe0f0;
  border-radius: 999px;
  padding: 5px 10px;
  display: inline-flex;
  align-items: center;
  color: #244b75;
  background: #f5f9ff;
  font-size: 12px;
  font-weight: 800;
}

.stat-card span,
.key-card span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.stat-card strong,
.key-card strong {
  display: block;
  margin-top: 6px;
  color: var(--ink);
  word-break: break-word;
}

.visual-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
}

.visual-card img {
  max-width: 100%;
  display: block;
  margin: 0 auto;
}

.code-block {
  margin: 0;
  padding: 14px;
  overflow: auto;
  color: #d8e5f2;
  background: #102033;
}

.empty-state,
.error-state,
.db-empty,
.db-error {
  border-radius: var(--radius);
}

.error-state {
  border: 1px solid #efc2c2;
  color: var(--red);
  background: #fff5f5;
  padding: 14px;
}

@media (max-width: 900px) {
  .ald-topbar__inner,
  .site-header__inner {
    min-height: auto;
    padding: 12px 0;
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
  }

  .module-nav,
  .site-nav {
    justify-content: flex-start;
  }

  .db-page-head,
  .db-landing,
  .literature-hero,
  .site-hero,
  .site-grid,
  .workspace-grid,
  .detail-grid,
  .detail-hero,
  .auth-layout {
    grid-template-columns: 1fr;
  }

  .db-tabs {
    justify-content: flex-start;
  }

  .db-stat-grid {
    grid-template-columns: 1fr;
  }

  .db-search-row,
  .db-search-row--plain,
  .literature-search {
    grid-template-columns: 1fr;
  }

  .db-button,
  .db-icon-button {
    width: 100%;
  }

  .db-status-bar,
  .db-pagination,
  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }

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

  .hero-slab__aside {
    border-left: 0;
    border-top: 1px solid var(--line);
    padding-left: 0;
    padding-top: 18px;
  }
}

.workflow-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin-bottom: 28px;
  border: 1px solid var(--line);
  background: var(--line);
}

.workflow-strip article {
  padding: 18px;
  background: var(--surface);
}

.workflow-strip span,
.workspace-group header span {
  color: var(--blue);
  font-family: var(--serif);
  font-size: 24px;
}

.workflow-strip h2,
.workspace-group h2 {
  margin: 8px 0 0;
  font-family: var(--serif);
  font-size: 22px;
}

.workflow-strip p,
.workspace-group p {
  margin: 8px 0 0;
  color: var(--muted);
  line-height: 1.7;
}

.dataset-matrix {
  margin-top: 24px;
}

.matrix-table {
  border-top: 1px solid var(--line-strong);
}

.matrix-row {
  display: grid;
  grid-template-columns: 170px minmax(0, 1fr) minmax(0, 1fr) 60px;
  gap: 18px;
  align-items: start;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.matrix-row strong,
.workspace-row strong {
  font-family: var(--serif);
  font-size: 20px;
}

.matrix-row span,
.workspace-row span {
  color: var(--muted);
  line-height: 1.65;
}

.matrix-row em,
.workspace-row em {
  color: var(--blue);
  font-style: normal;
  font-weight: 800;
  text-align: right;
}

.query-guide {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-bottom: 12px;
  color: var(--muted);
}

.query-guide strong {
  color: var(--ink);
}

.query-guide span {
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: 4px 8px;
  background: #fff;
  font-size: 13px;
}

.result-context {
  margin-top: 14px;
  border-left: 3px solid var(--line-strong);
  padding: 4px 0 4px 14px;
}

.result-context strong {
  display: block;
  margin-bottom: 4px;
  font-family: var(--serif);
  font-size: 18px;
}

.result-context p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.periodic-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: start;
  padding: 16px 16px 0;
}

.periodic-head strong {
  font-family: var(--serif);
  font-size: 20px;
}

.periodic-head p {
  margin: 4px 0 0;
  color: var(--muted);
}

.periodic-head > span {
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: 5px 9px;
  background: #fff;
  color: var(--muted);
  font-size: 13px;
}

.workspace-directory {
  display: grid;
  gap: 18px;
}

.workspace-group {
  border-top: 1px solid var(--line-strong);
  padding-top: 18px;
}

.workspace-group header {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr);
  gap: 18px;
  margin-bottom: 10px;
}

.workspace-row {
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr) 60px;
  gap: 18px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.workspace-row:hover strong,
.matrix-row:hover strong {
  color: var(--blue);
}

@media (max-width: 900px) {
  .workflow-strip,
  .matrix-row,
  .workspace-row,
  .workspace-group header {
    grid-template-columns: 1fr;
  }

  .matrix-row em,
  .workspace-row em {
    text-align: left;
  }

  .periodic-head {
    flex-direction: column;
  }
}

body.has-db-modal {
  overflow: hidden;
}

.row-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.db-link-button {
  border: 0;
  padding: 0;
  color: var(--blue);
  background: transparent;
  font-weight: 800;
}

.db-link-button:hover {
  color: var(--blue-dark);
  text-decoration: underline;
}

.db-warning {
  border: 1px solid #e4c57b;
  border-radius: var(--radius);
  padding: 12px 14px;
  color: #67480c;
  background: #fff8e6;
}

.db-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: none;
}

.db-modal.is-open {
  display: block;
}

.db-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(17, 24, 39, 0.48);
}

.db-modal__panel {
  position: absolute;
  left: 50%;
  top: 6vh;
  width: min(calc(100% - 32px), 760px);
  max-height: 88vh;
  transform: translateX(-50%);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--surface);
}

.db-modal__panel--wide {
  width: min(calc(100% - 32px), 1060px);
}

.db-modal__header {
  border-bottom: 1px solid var(--line);
  padding: 18px 20px;
  display: flex;
  justify-content: space-between;
  gap: 18px;
  background: #fffefb;
}

.db-modal__kicker {
  margin: 0 0 6px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.db-modal__header h2 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1.12;
}

.db-modal__close {
  width: 36px;
  height: 36px;
  border: 1px solid var(--line);
  border-radius: 3px;
  background: #fff;
  color: #39485a;
}

.db-modal__body {
  min-height: 0;
  overflow: auto;
  padding: 18px 20px 22px;
}

.db-modal-tabs {
  border-bottom: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 16px;
}

.db-modal-tab {
  border: 0;
  border-bottom: 2px solid transparent;
  padding: 0 0 10px;
  background: transparent;
  color: #45576d;
  font-weight: 800;
}

.db-modal-tab.is-active {
  border-color: var(--blue);
  color: var(--blue);
}

.db-modal-pane {
  display: none;
}

.db-modal-pane.is-active {
  display: block;
}

.summary-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  margin: 0 0 16px;
  border: 1px solid var(--line);
  background: var(--line);
}

.summary-strip span {
  min-width: 0;
  padding: 13px;
  background: #fff;
  color: var(--muted);
  font-size: 13px;
}

.summary-strip strong {
  display: block;
  margin-bottom: 4px;
  color: var(--ink);
  font-family: var(--serif);
  font-size: 20px;
  word-break: break-word;
}

.field-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  border: 1px solid var(--line);
  background: var(--line);
}

.field-item {
  min-width: 0;
  padding: 13px 14px;
  background: #fff;
}

.field-item dt {
  margin: 0 0 5px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.field-item dd {
  margin: 0;
  color: var(--ink);
  line-height: 1.55;
  word-break: break-word;
}

.structure-layout {
  display: grid;
  grid-template-columns: minmax(260px, 0.65fr) minmax(360px, 1fr);
  gap: 14px;
}

.structure-card {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  margin: 0;
  padding: 14px;
  background: #fff;
}

.structure-card img {
  max-width: 100%;
  display: block;
  margin: 0 auto;
}

.structure-card figcaption {
  margin-top: 10px;
  color: var(--muted);
  font-size: 13px;
  text-align: center;
}

.structure-card--viewer {
  display: grid;
  gap: 10px;
}

.structure-viewer {
  min-height: 360px;
  border: 1px solid var(--line);
  border-radius: 3px;
  overflow: hidden;
  background: #fff;
}

.visual-card--structure {
  padding: 12px;
}

.visual-card--structure .structure-viewer {
  min-height: 340px;
}

.structure-source {
  margin-top: 10px;
}

.structure-source summary {
  color: var(--blue);
  cursor: pointer;
  font-weight: 800;
}

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

.detail-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.detail-table th,
.detail-table td {
  border-bottom: 1px solid #e7e3da;
  padding: 10px 12px;
  text-align: left;
  vertical-align: top;
}

.detail-table th {
  color: #29394c;
  background: var(--surface-muted);
  white-space: nowrap;
}

.process-card__details {
  display: none;
  margin-top: 16px;
  border-top: 1px solid var(--line);
  padding-top: 14px;
}

.process-card.is-expanded .process-card__details {
  display: block;
}

.process-detail-panel {
  display: grid;
  gap: 10px;
}

.evidence-group {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.evidence-group summary {
  min-height: 46px;
  padding: 12px 14px;
  display: grid;
  grid-template-columns: 130px minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  cursor: pointer;
}

.evidence-group summary span,
.evidence-group summary em {
  color: var(--muted);
  font-style: normal;
  font-size: 13px;
}

.evidence-group summary strong {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.evidence-meta {
  padding: 0 14px 12px;
  color: var(--blue);
  font-weight: 800;
}

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

.compact-item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px;
  background: #fff;
}

.compact-item h4 {
  margin: 0;
  font-family: var(--serif);
  font-size: 18px;
  line-height: 1.35;
}

.compact-item p {
  margin: 10px 0 0;
  color: var(--muted);
  line-height: 1.65;
}

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

.citation-item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.citation-item header {
  border-bottom: 1px solid var(--line);
  padding: 10px 12px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.citation-item pre {
  margin: 0;
  padding: 12px;
  white-space: pre-wrap;
  word-break: break-word;
  color: #26384b;
  background: #fff;
}

@media (max-width: 900px) {
  .summary-strip,
  .field-grid,
  .structure-layout,
  .evidence-group summary {
    grid-template-columns: 1fr;
  }

  .structure-viewer {
    min-height: 280px;
  }
}

/* Academic editorial redesign */
:root {
  --page: #f7f7f3;
  --surface: #fffefb;
  --surface-muted: #f2f1ec;
  --line: #d7d3c9;
  --line-strong: #b9b2a4;
  --ink: #111827;
  --muted: #5f6670;
  --blue: #0b5d91;
  --blue-dark: #073d62;
  --blue-soft: #e8f0f5;
  --teal: #24716d;
  --green: #426b45;
  --amber: #8c650d;
  --red: #a33c3c;
  --shadow: none;
  --radius: 4px;
  --maxw: 1180px;
  --font: "Noto Sans SC", "Microsoft YaHei", "PingFang SC", "Segoe UI", Arial, sans-serif;
  --serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", Georgia, "Times New Roman", serif;
}

body.db-app {
  background: var(--page);
  color: var(--ink);
  font-size: 15px;
}

.ald-topbar,
.site-header {
  border-top: 3px solid var(--ink);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 254, 251, 0.98);
  backdrop-filter: none;
}

.ald-topbar__inner,
.site-header__inner {
  min-height: 66px;
}

.ald-brand,
.brand {
  min-width: 220px;
}

.ald-brand__mark,
.brand__mark {
  width: 32px;
  height: 32px;
  border-color: var(--line);
  border-radius: 3px;
  color: var(--blue);
  background: #fff;
}

.ald-brand strong,
.brand strong {
  font-size: 21px;
  letter-spacing: 0;
}

.ald-brand small,
.brand small {
  color: #69717c;
  font-size: 11px;
}

.module-nav,
.site-nav {
  gap: 18px;
}

.module-link,
.site-nav a {
  min-height: 30px;
  border-radius: 0;
  padding: 0 0 3px;
  color: #283544;
  background: transparent;
  font-size: 14px;
  font-weight: 700;
}

.module-link:hover,
.module-link[aria-current="page"],
.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--blue);
  background: transparent;
  box-shadow: inset 0 -2px 0 var(--blue);
}

.db-shell,
.page-main {
  padding-top: 34px;
}

.db-page-head {
  align-items: start;
  margin-bottom: 24px;
  padding-bottom: 18px;
}

.db-page-kicker,
.eyebrow {
  color: var(--blue);
  font-size: 12px;
  letter-spacing: 0.12em;
}

.db-page-head h1,
.site-hero__copy h1,
.portal-cover h1,
.page-title {
  font-family: var(--serif);
  font-weight: 700;
  letter-spacing: 0;
}

.db-page-head h1 {
  max-width: 820px;
  font-size: clamp(30px, 4vw, 46px);
}

.db-page-head p,
.site-hero__copy p,
.portal-abstract {
  color: #4d5662;
  line-height: 1.85;
}

.db-tab,
.site-button,
.button,
.inline-button,
.card-action,
.db-button,
.db-page-button,
.quick-chip {
  border-radius: 3px;
  font-weight: 700;
}

.db-tab,
.site-button,
.button,
.inline-button {
  min-height: 38px;
}

.site-button--primary,
.button--primary,
.db-button,
.card-action--primary {
  border-color: var(--blue);
  background: var(--blue);
}

.site-button--primary:hover,
.button--primary:hover,
.db-button:hover {
  background: var(--blue-dark);
}

.db-intro-panel,
.db-scope-panel,
.db-search-panel,
.db-results,
.periodic-panel,
.filter-strip,
.literature-hero,
.site-hero__copy,
.site-hero__media,
.site-panel,
.auth-card,
.surface,
.detail-card,
.hero-slab {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: none;
}

.site-hero {
  gap: 24px;
  align-items: stretch;
}

.site-hero__copy {
  padding: clamp(28px, 4vw, 42px);
}

.site-hero__copy h1 {
  font-size: clamp(34px, 5vw, 54px);
}

.site-hero__media {
  min-height: 300px;
}

.site-hero__media-caption {
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 3px;
  background: rgba(17, 24, 39, 0.78);
}

.site-card,
.workspace-card,
.db-hub-card,
.process-card,
.paper-card,
.stat-card,
.key-card,
.info-strip {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: none;
}

.site-card:hover,
.workspace-card:hover,
.db-hub-card:hover,
.process-card:hover,
.paper-card:hover {
  border-color: var(--line-strong);
  box-shadow: none;
}

.site-card__icon,
.workspace-card__icon,
.db-hub-card__icon {
  width: 34px;
  height: 34px;
  border: 1px solid var(--line);
  border-radius: 3px;
  background: #fff;
}

.site-card h3,
.workspace-card h3,
.db-hub-card h2,
.process-card h3,
.paper-card h3 {
  font-family: var(--serif);
}

.db-search-panel__body {
  padding: 18px;
}

.db-search-row,
.literature-search {
  gap: 8px;
}

.db-input,
.db-control,
.filter-strip select,
.filter-strip input,
.auth-form input {
  border-radius: 3px;
  background: #fff;
}

.db-status-bar {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fffefb;
}

.db-table th {
  color: #283544;
  background: #f1f0ea;
}

.site-footer {
  color: #69717c;
}

.portal-cover {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 28px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--line);
}

.portal-cover h1 {
  max-width: 820px;
  margin: 0;
  font-size: clamp(38px, 6vw, 62px);
  line-height: 1.05;
}

.portal-abstract {
  max-width: 760px;
  margin: 18px 0 0;
  font-size: 17px;
}

.portal-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin: 26px 0 0;
  border: 1px solid var(--line);
  background: var(--line);
}

.portal-meta div {
  padding: 14px;
  background: var(--surface);
}

.portal-meta dt {
  color: var(--blue);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.portal-meta dd {
  margin: 6px 0 0;
  color: #3f4854;
}

.portal-cover__aside {
  display: grid;
  gap: 12px;
  align-content: start;
}

.portal-image {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
}

.portal-image img {
  width: 100%;
  height: 220px;
  display: block;
  object-fit: cover;
}

.portal-note,
.portal-text-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  background: var(--surface);
}

.portal-note strong,
.portal-text-panel h3 {
  display: block;
  margin: 0 0 8px;
  font-family: var(--serif);
  font-size: 20px;
}

.portal-note p,
.portal-text-panel p {
  margin: 0;
  color: var(--muted);
  line-height: 1.75;
}

.portal-section {
  margin-top: 30px;
}

.portal-section__head {
  margin-bottom: 12px;
}

.portal-section__head h2 {
  margin: 0;
  font-family: var(--serif);
  font-size: 30px;
}

.directory-list {
  border-top: 1px solid var(--line-strong);
}

.directory-item {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr) 220px;
  gap: 18px;
  align-items: start;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.directory-item:hover h3 {
  color: var(--blue);
}

.directory-item__index {
  color: var(--blue);
  font-family: var(--serif);
  font-size: 24px;
}

.directory-item h3 {
  margin: 0;
  font-family: var(--serif);
  font-size: 24px;
}

.directory-item p {
  max-width: 700px;
  margin: 8px 0 0;
  color: var(--muted);
  line-height: 1.75;
}

.directory-item__meta {
  color: #69717c;
  font-size: 13px;
  line-height: 1.6;
}

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

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 14px;
  color: var(--blue);
  font-weight: 800;
}

@media (max-width: 900px) {
  .portal-cover,
  .portal-meta,
  .directory-item,
  .portal-columns {
    grid-template-columns: 1fr;
  }

  .directory-item {
    gap: 8px;
  }

  .portal-image img {
    height: 180px;
  }
}

/* Structure viewer placement fixes */
.stack-grid[data-detail-visual] {
  display: grid;
  gap: 14px;
}

.structure-card,
.visual-card--structure {
  min-width: 0;
  overflow: hidden;
}

.structure-viewer {
  position: relative;
  width: 100%;
  height: 340px;
  min-height: 0;
  contain: layout paint;
}

.structure-card--viewer .structure-viewer {
  height: 380px;
}

.structure-viewer canvas,
.structure-viewer svg {
  position: absolute !important;
  inset: 0;
  width: 100% !important;
  height: 100% !important;
}

.detail-content-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.8fr);
  gap: 18px;
  align-items: start;
}

.hero-slab__content {
  position: relative;
  z-index: 1;
}

.hero-slab__aside {
  position: relative;
  z-index: 1;
}

.structure-card--smiles,
.visual-card--smiles {
  display: grid;
  align-content: start;
  gap: 8px;
}

.structure-card--smiles span,
.visual-card--smiles span {
  color: #9a5b00;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.structure-card--smiles strong,
.visual-card--smiles strong {
  font-family: var(--serif);
  font-size: 20px;
}

.structure-card--smiles code,
.visual-card--smiles code {
  display: block;
  max-width: 100%;
  overflow: auto;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 3px;
  background: var(--surface-muted);
  color: var(--ink);
  white-space: pre-wrap;
  word-break: break-word;
}

.structure-card--smiles p,
.visual-card--smiles p {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

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

  .structure-viewer,
  .structure-card--viewer .structure-viewer {
    height: 280px;
  }
}