:root {
  color-scheme: light;
  --paper: #f6f1e7;
  --paper-deep: #ece4d5;
  --surface: #fffdf8;
  --ink: #282a27;
  --muted: #696b64;
  --line: #d8d0c1;
  --accent: #5b6a52;
  --accent-soft: #e7ede2;
  --error: #8b3d35;
  --error-soft: #f7e7e3;
  --empty: #6a5b42;
  --empty-soft: #f2eadb;
  --shadow: 0 12px 32px rgb(59 51 39 / 8%);
  font-family: ui-serif, Georgia, Cambria, "Times New Roman", "Noto Serif CJK SC", serif;
  font-synthesis: none;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.6;
}

body {
  min-width: 320px;
  margin: 0;
  background:
    linear-gradient(180deg, rgb(255 255 255 / 28%), transparent 22rem),
    var(--paper);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
}

button,
input {
  font: inherit;
}

button,
input[type="search"] {
  min-height: 2.75rem;
  border: 1px solid var(--line);
  border-radius: 0.5rem;
}

button {
  padding: 0.6rem 1rem;
  background: var(--accent);
  color: #fff;
}

button:disabled,
input:disabled {
  cursor: not-allowed;
  opacity: 0.72;
}

button:focus-visible,
input:focus-visible,
a:focus-visible {
  outline: 3px solid #2d5f8b;
  outline-offset: 3px;
}

.page-width {
  width: min(100% - 2rem, 72rem);
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  top: 0.5rem;
  left: 0.5rem;
  z-index: 20;
  padding: 0.6rem 0.8rem;
  transform: translateY(-150%);
  background: var(--ink);
  color: #fff;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  border-bottom: 1px solid var(--line);
  background: rgb(255 253 248 / 72%);
}

.header-inner {
  display: grid;
  gap: 1.25rem;
  padding-block: 2rem;
}

.eyebrow,
.section-kicker,
.card-label,
.control-label {
  margin: 0 0 0.35rem;
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 750;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 0.4rem;
  font-family: ui-serif, Georgia, Cambria, "Times New Roman", serif;
  font-size: clamp(2rem, 7vw, 3.4rem);
  line-height: 1.12;
  letter-spacing: -0.035em;
}

h2 {
  margin-bottom: 0.25rem;
  font-size: clamp(1.25rem, 4vw, 1.65rem);
  line-height: 1.25;
}

h3 {
  margin-bottom: 0.35rem;
}

.subtitle,
.section-note,
.footer-note,
.status-message p,
.catalog-card p {
  margin-bottom: 0;
  color: var(--muted);
}

.announcement {
  padding: 1rem 1.1rem;
  border: 1px solid var(--line);
  border-left: 0.3rem solid var(--accent);
  background: var(--surface);
}

.announcement h2 {
  font-size: 1rem;
}

.announcement p {
  margin-bottom: 0;
  color: var(--muted);
}

.page-main {
  display: grid;
  gap: 1.25rem;
  padding-block: 1.5rem 3rem;
}

.panel {
  padding: 1.1rem;
  border: 1px solid var(--line);
  border-radius: 0.75rem;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.section-heading {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.2rem;
}

.search-shell label,
.control-label {
  display: block;
  margin-bottom: 0.45rem;
  color: var(--ink);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: normal;
  text-transform: none;
}

.search-row {
  display: grid;
  gap: 0.65rem;
}

input[type="search"] {
  width: 100%;
  padding: 0.65rem 0.8rem;
  background: #faf7f0;
  color: var(--ink);
}

.category-shell {
  margin-top: 1.2rem;
}

.category-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.category-list button {
  min-height: 2.25rem;
  padding: 0.35rem 0.8rem;
  background: var(--accent-soft);
  color: var(--ink);
}

.category-list button[aria-pressed="true"] {
  border-color: var(--accent);
  box-shadow: inset 0 0 0 1px var(--accent);
}

.result-count {
  align-self: flex-start;
  margin: 0;
  padding: 0.25rem 0.65rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.85rem;
}

.directory-tools {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  align-items: center;
}

.directory-toggle {
  min-height: 2.25rem;
  padding: 0.35rem 0.75rem;
  background: var(--surface);
  color: var(--ink);
}

#directory-content[hidden] {
  display: none;
}

.desktop-directory {
  display: none;
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
  text-align: left;
}

th,
td {
  padding: 0.8rem 0.7rem;
  border-bottom: 1px solid var(--line);
}

th {
  color: var(--muted);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
}

.placeholder-row td {
  padding-block: 2.5rem;
  color: var(--muted);
  text-align: center;
}

.mobile-directory {
  display: block;
}

.catalog-card {
  min-width: 0;
  padding: 1rem;
  border: 1px dashed var(--line);
  border-radius: 0.65rem;
  background: #faf7f0;
}

.catalog-card-list {
  display: grid;
  gap: 0.8rem;
}

.catalog-card-details {
  display: grid;
  grid-template-columns: minmax(5rem, auto) minmax(0, 1fr);
  gap: 0.35rem 0.75rem;
  margin-block: 0.9rem;
}

.catalog-card-details dt {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
}

.catalog-card-details dd {
  min-width: 0;
  margin: 0;
}

.catalog-name,
.catalog-value {
  min-width: 0;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.catalog-name {
  font-weight: 700;
}

.catalog-actions {
  white-space: normal;
}

.preview-link {
  display: inline-flex;
  min-height: 2.25rem;
  align-items: center;
  justify-content: center;
  padding: 0.35rem 0.75rem;
  border: 1px solid var(--accent);
  border-radius: 0.45rem;
  background: var(--accent-soft);
  color: var(--ink);
  font-size: 0.875rem;
  font-weight: 700;
  overflow-wrap: anywhere;
}

.status-region {
  min-height: 6rem;
}

.status-message {
  display: flex;
  gap: 0.85rem;
  align-items: flex-start;
  padding: 1rem 1.1rem;
  border: 1px solid;
  border-radius: 0.65rem;
  background: var(--surface);
}

.status-message[hidden] {
  display: none;
}

.status-symbol {
  display: inline-grid;
  flex: 0 0 2rem;
  width: 2rem;
  height: 2rem;
  place-items: center;
  border: 2px solid currentColor;
  border-radius: 50%;
  font-weight: 800;
}

.status-loading {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.status-error {
  border-color: var(--error);
  background: var(--error-soft);
  color: var(--error);
}

.status-empty {
  border-color: var(--empty);
  background: var(--empty-soft);
  color: var(--empty);
}

.status-ready {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent);
}

.site-footer {
  border-top: 1px solid var(--line);
  background: var(--paper-deep);
}

.footer-inner {
  display: grid;
  gap: 1rem;
  padding-block: 1.75rem;
}

.footer-inner h2 {
  font-size: 1.05rem;
}

.footer-inner p {
  margin-bottom: 0;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 320px) {
  .page-width {
    width: min(100% - 1rem, 72rem);
  }

  .panel {
    padding: 0.85rem;
    border-radius: 0.5rem;
  }

  .search-row button {
    width: 100%;
  }
}

@media (min-width: 768px) {
  .header-inner {
    grid-template-columns: minmax(0, 1.5fr) minmax(16rem, 0.75fr);
    align-items: end;
    padding-block: 3rem;
  }

  .page-main {
    gap: 1.5rem;
    padding-block: 2rem 4rem;
  }

  .panel {
    padding: 1.5rem;
  }

  .section-heading {
    flex-direction: row;
    justify-content: space-between;
    align-items: end;
  }

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

  .desktop-directory {
    display: block;
  }

  .mobile-directory {
    display: none;
  }

  .footer-inner {
    grid-template-columns: 1fr auto;
    align-items: end;
    padding-block: 2.25rem;
  }
}

@media (min-width: 1200px) {
  .page-width {
    width: min(100% - 4rem, 72rem);
  }

  .page-main {
    gap: 1.75rem;
  }

  th,
  td {
    padding-inline: 1rem;
  }
}