body {
  margin: 0;
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  background: linear-gradient(180deg, #f6f3ea 0%, #efe9da 100%);
  color: #1f2933;
}

.basisitem-page {
  max-width: 1440px;
  margin: 0 auto;
  padding: 28px 24px 56px;
}

.basisitem-header,
.basisitem-meta,
.basisitem-step-scope,
.basisitem-table-wrap,
.toolbar-menu-row {
  background: rgba(255, 253, 248, 0.94);
  border: 1px solid rgba(111, 78, 55, 0.16);
  border-radius: 18px;
  box-shadow: 0 18px 40px rgba(67, 48, 35, 0.08);
}

.basisitem-header {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: flex-start;
  padding: 24px 28px;
}

.basisitem-header h1 {
  margin: 0 0 8px;
  font-size: 2rem;
  line-height: 1.1;
}

.basisitem-header p {
  margin: 0;
  max-width: 70ch;
  color: #52606d;
}

.version-badge {
  white-space: nowrap;
  padding: 8px 12px;
  border-radius: 999px;
  background: #2f6f5e;
  color: #fff;
  font-size: 0.92rem;
  font-weight: 600;
}

.toolbar-menu-row {
  margin-top: 16px;
  padding: 10px 16px;
}

.toolbar-menu-row {
  display: flex;
  justify-content: flex-end;
}

.top-menu {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 3px;
  border: 1px solid rgba(111, 78, 55, 0.16);
  border-radius: 8px;
  background: #fff;
}

.top-menu-link {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 0 10px;
  border-radius: 6px;
  color: #1f2933;
  font-size: 0.82rem;
  font-weight: 700;
  text-decoration: none;
}

.top-menu-link:hover,
.top-menu-link.active {
  background: #1f2933;
  color: #fff;
}

.top-menu-link.disabled {
  opacity: 0.55;
  cursor: default;
}

.top-menu-icon {
  width: 28px;
  justify-content: center;
  padding: 0;
}

.top-menu-link svg {
  width: 15px;
  height: 15px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.basisitem-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 16px;
  padding: 18px 20px;
}

.basisitem-step-scope {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 16px;
  padding: 14px 20px;
}

.basisitem-step-scope span {
  color: #52606d;
}

.basisitem-meta div {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.basisitem-meta strong {
  font-size: 1.7rem;
  line-height: 1;
}

.basisitem-meta span {
  color: #52606d;
}

.basisitem-table-wrap {
  margin-top: 16px;
  overflow: hidden;
}

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

.basisitem-table th,
.basisitem-table td {
  padding: 16px 18px;
  vertical-align: top;
  border-bottom: 1px solid rgba(111, 78, 55, 0.14);
}

.basisitem-table th {
  text-align: left;
  font-size: 0.95rem;
  color: #52606d;
  background: rgba(243, 236, 224, 0.9);
}

.basisitem-doc-cell {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.basisitem-doc-cell span {
  color: #6b7785;
  font-size: 0.92rem;
}

.basisitem-doc-link {
  color: #7f3d1d;
  font-weight: 700;
  text-decoration: none;
}

.basisitem-doc-link:hover {
  text-decoration: underline;
}

.basisitem-chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.basisitem-chip {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.9rem;
  line-height: 1.3;
}

.basisitem-chip.correct {
  background: #e5f7ee;
  color: #14532d;
  border: 1px solid #9dd8b5;
}

.basisitem-chip.incorrect {
  background: #fff1ef;
  color: #8a1c1c;
  border: 1px solid #efb2aa;
}

.basisitem-chip.empty {
  background: #f3f4f6;
  color: #6b7280;
  border: 1px solid #d1d5db;
}

.error {
  margin: 16px 0 0;
  padding: 14px 16px;
  border-radius: 14px;
  border: 1px solid #efb2aa;
  background: #fff1ef;
  color: #8a1c1c;
}

@media (max-width: 980px) {
  .basisitem-header {
    flex-direction: column;
  }

  .basisitem-meta {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .basisitem-page {
    padding: 18px 12px 40px;
  }

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

  .basisitem-table {
    min-width: 760px;
  }
}