/* ============================================
   CULTURE PAGE LAYOUT
   ============================================ */

.culture-strip {
  justify-content: space-between;
  align-items: center;
}

.culture-page-heading {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  margin: 0;
}

.culture-main {
  display: flex;
  gap: 0;
  max-width: 1100px;
  margin: 0 auto;
  min-height: calc(100vh - var(--header-height, 110px));
}

/* ============================================
   TOPIC NAVIGATION (left sidebar)
   ============================================ */
.culture-nav {
  width: 240px;
  flex-shrink: 0;
  border-right: 1px solid var(--line);
  padding: 20px 0;
}

.culture-nav-header {
  font-family: var(--font-ui);
  font-size: 11px;
  font-weight: 600;
  color: var(--ink-soft);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0 20px 10px;
}

.culture-nav-list {
  display: flex;
  flex-direction: column;
}

.culture-nav-item {
  font-family: var(--font-ui-cjk, var(--font-ui));
  font-size: 14px;
  line-height: 1.4;
  color: var(--ink-soft);
  padding: 10px 20px;
  cursor: pointer;
  border-left: 3px solid transparent;
  transition: background 0.12s ease, color 0.12s ease;
}

.culture-nav-item:hover {
  background: var(--paper);
  color: var(--ink);
}

.culture-nav-item.active {
  background: rgba(163, 52, 42, 0.07);
  border-left-color: var(--seal-red);
  color: var(--seal-red);
  font-weight: 600;
}

/* ============================================
   ARTICLE CONTENT (right panel)
   ============================================ */
.culture-article {
  flex: 1;
  min-width: 0;
  padding: 32px 40px 60px;
  max-width: 720px;
}

.culture-article-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin: 0 0 20px;
}

.culture-article-title {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--ink);
  margin: 0;
}

.culture-edit-btn {
  flex-shrink: 0;
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 600;
  color: var(--seal-red);
  background: var(--white);
  border: 1.5px solid var(--seal-red);
  border-radius: 6px;
  padding: 6px 14px;
  cursor: pointer;
  transition: background 0.15s ease;
}

.culture-edit-btn:hover {
  background: rgba(163, 52, 42, 0.08);
}

/* ============================================
   EDITING UI (admin only)
   ============================================ */
.culture-edit-field {
  margin-bottom: 18px;
}

.culture-edit-label {
  display: block;
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 500;
  color: var(--ink-soft);
  margin-bottom: 6px;
}

.culture-edit-title-input {
  width: 100%;
  box-sizing: border-box;
  font-family: var(--font-ui);
  font-size: 16px;
  padding: 9px 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--paper);
  color: var(--ink);
  outline: none;
}

.culture-edit-title-input:focus {
  border-color: var(--seal-red-soft);
}

.culture-edit-error {
  font-family: var(--font-ui);
  font-size: 13px;
  color: var(--seal-red);
  background: rgba(163, 52, 42, 0.07);
  border: 1px solid rgba(163, 52, 42, 0.2);
  border-radius: 6px;
  padding: 8px 10px;
  margin-bottom: 14px;
}

.culture-edit-actions {
  display: flex;
  gap: 10px;
}

.culture-save-btn {
  font-family: var(--font-ui);
  font-size: 14px;
  font-weight: 600;
  color: var(--white);
  background: var(--seal-red);
  border: none;
  border-radius: 6px;
  padding: 10px 22px;
  cursor: pointer;
}

.culture-save-btn:hover {
  background: var(--seal-red-soft);
}

.culture-save-btn:disabled {
  opacity: 0.6;
  cursor: default;
}

.culture-cancel-btn {
  font-family: var(--font-ui);
  font-size: 14px;
  color: var(--ink);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px 22px;
  cursor: pointer;
}

.culture-cancel-btn:hover {
  background: var(--paper);
}

.culture-article-body {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.9;
  color: var(--ink);
}

.culture-article-body p {
  margin: 0 0 1.1em;
}

.culture-article-body p:last-child {
  margin-bottom: 0;
}

.culture-article-body h2 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  margin: 1.6em 0 0.6em;
}

.culture-article-body h2:first-child {
  margin-top: 0;
}

.culture-article-body strong {
  color: var(--seal-red);
  font-weight: 600;
}

.culture-article-body ul,
.culture-article-body ol {
  margin: 0 0 1.1em;
  padding-left: 1.4em;
}

.culture-article-body li {
  margin-bottom: 0.5em;
}

.culture-article-body em {
  font-style: italic;
  color: var(--ink-soft);
}

.culture-article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 0 0 1.4em;
  font-size: 13.5px;
}

.culture-article-body th,
.culture-article-body td {
  border: 1px solid var(--line);
  padding: 9px 12px;
  text-align: left;
  vertical-align: top;
  line-height: 1.6;
}

.culture-article-body th {
  background: var(--paper-deep);
  font-family: var(--font-ui-cjk, var(--font-ui));
  font-weight: 600;
  color: var(--ink);
}

.culture-article-body td {
  background: var(--white);
  color: var(--ink);
}

.culture-article-body tr:nth-child(even) td {
  background: var(--paper);
}

.culture-article-body .rte-col-layout {
  display: flex;
  gap: 20px;
  margin: 10px 0 20px;
}

.culture-article-body .rte-col {
  flex: 1;
  min-width: 0;
}

.culture-article-body .rte-col.rte-valign-top {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}

.culture-article-body .rte-col.rte-valign-middle {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.culture-article-body .rte-col.rte-valign-bottom {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.culture-loading,
.culture-error {
  font-family: var(--font-ui);
  font-size: 14px;
  color: var(--ink-soft);
  padding: 20px 0;
}

.culture-error {
  color: var(--seal-red);
}

/* ============================================
   MOBILE
   ============================================ */
@media (max-width: 768px) {
  .culture-main {
    flex-direction: column;
  }

  .culture-nav {
    width: 100%;
    border-right: none;
    border-bottom: 1px solid var(--line);
    padding: 10px 0;
  }

  .culture-nav-list {
    flex-direction: row;
    overflow-x: auto;
    gap: 4px;
    padding: 0 12px;
  }

  .culture-nav-header {
    padding: 0 12px 8px;
  }

  .culture-nav-item {
    white-space: nowrap;
    border-left: none;
    border-bottom: 3px solid transparent;
    border-radius: 6px 6px 0 0;
    flex-shrink: 0;
  }

  .culture-nav-item.active {
    border-left-color: transparent;
    border-bottom-color: var(--seal-red);
  }

  .culture-article {
    padding: 24px 20px 48px;
  }

  .culture-article-title {
    font-size: 20px;
  }
}