:root {
  --hubmap-blue: #1b4fa3;
  --hubmap-navy: #29365a;
  --hubmap-bright-blue: #1f8df4;
  --hubmap-bright-blue-hover: #147fe2;
  --btn-secondary-bg: #ffffff;
  --btn-secondary-border: #9db9e8;
  --btn-secondary-text: #1c5fb8;
  --text: #1d1d1f;
  --muted: #5e6570;
  --line: #ccd3df;
  --bg-soft: #f5f8fd;
  --danger-soft: #fff6f6;
  --radius: 8px;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font: 14px/1.45 "Inter", "Segoe UI", Arial, Helvetica, sans-serif;
  color: var(--text);
  background: #eceff3;
}

.topbar {
  background: #434a69;
  border-bottom: 1px solid rgba(0, 0, 0, 0.18);
  box-shadow: 0 2px 6px rgba(18, 28, 52, 0.16);
}

.topbar-inner {
  width: min(980px, 100% - 32px);
  margin: 0 auto;
  min-height: 62px;
  display: flex;
  align-items: center;
}

.brand {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.brand-logo {
  width: 138px;
  height: auto;
  display: block;
}

.page {
  width: min(980px, 100% - 32px);
  margin: 16px auto 36px;
  background: #fff;
  border: 1px solid #d4d8df;
  border-radius: 10px;
  padding: 22px;
}

h1 {
  margin: 0 0 6px;
  font-size: 38px;
  line-height: 1.1;
  font-weight: 500;
}

p span.requiredMark {
	color: #ff0000;
}

.spec-name {
  margin: 0 0 14px;
  font-size: 24px;
  color: #222;
  font-weight: 400;
}

.hero {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 16px;
  align-items: start;
  margin-bottom: 12px;
}

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

.hero span.requiredMark {
	color: #ff0000;
}

.hero p.multiAssay {
	margin-top: 8px;
	margin-bottom: 0;
}

.actions {
  display: flex;
  flex-direction: column;
  gap: 7px;
  align-items: stretch;
  min-width: 230px;
}

.version-select {
  width: 100%;
  height: 34px;
  border: 1px solid #aeb6c6;
  border-radius: 7px;
  background: #e8edf5;
  color: #4a5365;
  font-size: 14px;
  line-height: 34px;
  padding: 0 38px 0 10px;
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  background-image:
    linear-gradient(45deg, transparent 50%, #8ea0c2 50%),
    linear-gradient(135deg, #8ea0c2 50%, transparent 50%),
    linear-gradient(to right, #d7e7f8, #d7e7f8);
  background-position:
    calc(100% - 18px) 14px,
    calc(100% - 11px) 14px,
    calc(100% - 36px) 0;
  background-size: 7px 7px, 7px 7px, 34px 100%;
  background-repeat: no-repeat;
}

.icon-row {
  display: flex;
  gap: 6px;
  justify-content: flex-end;
  margin-top: 1px;
  margin-bottom: 1px;
}

.icon-btn,
.primary-btn,
.secondary-btn,
.tab {
  border-radius: 10px;
  border: 1px solid #b8c1d2;
  background: #fff;
  padding: 8px 14px;
  font-size: 14px;
  cursor: pointer;
  text-decoration: none;
  color: #23304d;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.18s ease, border-color 0.18s ease, color 0.18s ease, box-shadow 0.18s ease, transform 0.08s ease;
}

.icon-btn {
  width: 42px;
  height: 42px;
  padding: 0;
  font-size: 28px;
  line-height: 1;
  color: #4f5a70;
  border: 2px solid #8f98a8;
  background: #fff;
}

.icon-btn.help {
  border-radius: 50%;
  background: #d6dce6;
  color: #1b4fa3;
  font-weight: 700;
  font-size: 32px;
  padding-top: 1px;
}

.icon-btn.share {
  border-radius: 4px;
  background: linear-gradient(#aab0bb, #979eaa);
  border-color: #8d95a4;
  color: #fff;
}

.icon-btn.share svg {
  width: 22px;
  height: 22px;
  display: block;
}

.primary-btn {
  border-radius: 13px;
  font-size: 22px;
  font-weight: 500;
  height: 50px;
  padding: 0 22px;
  white-space: nowrap;
  background: var(--hubmap-bright-blue);
  border-color: var(--hubmap-bright-blue-hover);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.22);
}

.primary-btn:hover {
  background: var(--hubmap-bright-blue-hover);
  border-color: #0f6dc6;
}

.primary-btn:active {
  transform: translateY(0);
}

.primary-btn.download {
  height:28px;
  font-size: 14px;
  color:white!important;
}

.primary-btn.download:visited {
  color:white!important;
}

.checksum {
  margin: 0;
  font-size: 11px;
  color: #343a45;
  text-align: left;
  line-height: 1.2;
  word-break: break-all;
}

.tab.active {
  background: var(--hubmap-blue);
  border-color: var(--hubmap-blue);
  color: #fff;
}

.secondary-btn {
  min-height: 40px;
  border-radius: 12px;
  border-color: var(--btn-secondary-border);
  background: var(--btn-secondary-bg);
  color: var(--btn-secondary-text);
  font-weight: 600;
}

.secondary-btn:hover {
  background: #eef5ff;
  border-color: #87aae2;
  color: #124f9f;
}

.tab {
  min-height: 44px;
  border-radius: 10px 10px 0 0;
  font-weight: 600;
  padding: 0 17px;
  color: #2d3f61;
  border-color: #a7b7d4;
}

.tab:hover {
  background: #edf3fe;
  border-color: #87a8dd;
  color: #1b4fa3;
}

.tab.active {
  background: var(--hubmap-bright-blue);
  border-color: var(--hubmap-bright-blue-hover);
  border-bottom-color: #fff;
  color: #fff;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.24);
  position: relative;
  z-index: 2;
  top: 1px;
}

.icon-btn:focus-visible,
.primary-btn:focus-visible,
.secondary-btn:focus-visible,
.tab:focus-visible,
.version-select:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(31, 141, 244, 0.28);
}

.tab-wrap {
  display: flex;
  gap: 8px;
  margin: 13px 0 0px 15px;
  padding-left: 10px;
  position: relative;
  z-index: 2;
}

.panel {
  margin-top: -1px;
  border: 1px solid var(--hubmap-bright-blue);
  border-radius: 28px;
  background: #fff;
  padding: 18px 16px 18px;
}

.panel[hidden] { display: none; }

.box {
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  margin-bottom: 14px;
  padding: 10px;
}

.box h3 {
  margin: 0 0 8px;
  font-size: 13px;
  font-weight: 700;
}

.scroll {
  max-height: 190px;
  overflow: auto;
  border: 1px solid #b7bdc9;
  background: #fff;
  padding: 8px;
  white-space: normal;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
  line-height: 1.4;
}

.schema-wrap .scroll {
  font-family: inherit;
  max-height: 380px;
}

.deprecated-wrap .scroll {
  font-family: inherit;
  max-height: 200px;
}

.definitions-wrap .scroll {
  font-family: inherit;
  max-height: 380px;
}

.contributors-wrap .scroll {
  margin-top: 14px;
  font-family: inherit;
  max-height: 210px;
}

.scroll table {
  width: 100%;
  margin: 0;
  border-collapse: collapse;
  table-layout: auto;
  box-shadow: none;
  background: #fff;
}

.scroll table th,
.scroll table td {
  padding: 6px 7px;
}

.schema-wrap .scroll th,
.schema-wrap .scroll td,
.deprecated-wrap .scroll th,
.deprecated-wrap .scroll td {
  font-size: 10.5px;
  line-height: 1.35;
  vertical-align: top;
  word-break: break-word;
  overflow-wrap: anywhere;
}

.schema-section + .deprecated-section {
  margin-top: 22px;
}

.schema-heading {
  display: block;
}

.schema-type-legend {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 5px 14px;
  margin: 0 0 8px;
  color: #4c566a;
  font-size: 12px;
}

.schema-type-legend i {
  width: 14px;
  text-align: center;
}

.schema-section,
.deprecated-section {
  margin-top: 0;
  padding-top: 0;
  border-top: 0;
}

.schema-section h3,
.deprecated-section h3 {
  margin: 0 0 7px;
  font-size: 17px;
  font-weight: 700;
  color: #1f232b;
}

.schema-wrap .scroll td:nth-child(1),
.schema-wrap .scroll th:nth-child(1),
.deprecated-wrap .scroll td:nth-child(1),
.deprecated-wrap .scroll th:nth-child(1) {
  width: 20%;
  font-family: monospace;
}

.schema-wrap .scroll th:nth-child(2),
.deprecated-wrap .scroll th:nth-child(2) {
  width: 50px;
  min-width: 50px;
  max-width: 50px;
  text-align: center;
}

.schema-wrap .scroll td:nth-child(2),
.deprecated-wrap .scroll td:nth-child(2) {
  width: 50px;
  min-width: 50px;
  max-width: 50px;
  text-align: center;
}

.schema-wrap table td:nth-child(3),
.deprecated-wrap table td:nth-child(3) {
	font-weight: 400;
	font-size: 0.75rem;
	line-height: 1.36;
	letter-spacing: 0.03333em;
	max-height: 150px;
	overflow-y: auto;
}

.schema-wrap table td:nth-child(3),
.schema-wrap table td:nth-child(4),
.deprecated-wrap table td:nth-child(3),
.deprecated-wrap table td:nth-child(4) {
	max-height: none;
	overflow: visible;
}

.schema-wrap table td:nth-child(4),
.deprecated-wrap table td:nth-child(4) {
	padding-bottom: 14px;
}

.schema-wrap .scroll td:nth-child(4),
.schema-wrap .scroll th:nth-child(4),
.deprecated-wrap .scroll td:nth-child(4),
.deprecated-wrap .scroll th:nth-child(4) {
  width: 20%;
}

.definitions-wrap .scroll table tr td:nth-child(1) {
  width: 50%;
  word-break: normal;
  overflow-wrap: normal;
}

.contributors-wrap .scroll table tr td:nth-child(1) {
  width: 20%;
  word-break: normal;
  overflow-wrap: normal;
}

.contributors-wrap .scroll table tr td:nth-child(2) {
  width: 40%;
  word-break: normal;
  overflow-wrap: normal;
}

.allowable-values-scroll {
  max-height: 75px;
  overflow-y: auto;
  overflow-x: hidden;
  display: block;
  scrollbar-gutter: stable;
  scrollbar-width: auto;
  scrollbar-color: #8ea0c2 #f2f5fa;
}

.allowable-values-scroll::-webkit-scrollbar {
  width: 12px;
}

.allowable-values-scroll::-webkit-scrollbar-track {
  background: #f2f5fa;
}

.allowable-values-scroll::-webkit-scrollbar-thumb {
  background: #8ea0c2;
  border: 3px solid #f2f5fa;
  border-radius: 999px;
}

.hint {
  color: #4f5a6d;
  font-size: 12px;
  margin-top: -6px;
  margin-bottom: 8px;
}

.tooltip {
  border-bottom: 1px dotted #74809a;
  cursor: help;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
  justify-content: space-between;
}

table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  font-size: 13px;
}

th, td {
  border: 1px solid var(--line);
  padding: 8px;
  vertical-align: top;
  text-align: left;
}

th { background: #f2f5fa; }

pre {
  margin: 0;
  font-size: 12px;
  line-height: 1.4;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  white-space: pre;
  overflow: auto;
}

section {
  margin-top: 22px;
  border-top: 1px solid #e4e7ed;
  padding-top: 14px;
}

h2 {
  margin: 0 0 8px;
  font-size: 20px;
  font-weight: 500;
}

.doi {
  margin: 10px 0 0;
  font-size: 13px;
}

.contributors-intro {
  margin: 0 0 10px;
  max-width: 860px;
}

.contributors-scroll {
  max-height: 210px;
  overflow: auto;
  border: 1px solid #d9dde6;
  border-radius: 6px;
  background: #fff;
}

.contributors-scroll table {
  margin: 0;
}

.help-layout {
  padding-bottom: 28px;
}

.help-intro {
  margin: 26px 0 18px;
  max-width: 1080px;
}

.help-intro p {
  margin: 0 0 22px;
  font-size: 22px;
  line-height: 1.18;
  color: #1e1f22;
}

.help-card {
  position: relative;
  border: 2px solid #202020;
  background: #fff;
  padding: 22px 20px 26px;
  overflow: hidden;
}

.help-card::after {
  content: '';
  position: absolute;
  right: -38px;
  bottom: -66px;
  width: 390px;
  height: 190px;
  border-bottom: 2px solid #202020;
  border-left: 2px solid transparent;
  border-radius: 0 0 240px 240px;
  transform: rotate(-7deg);
  pointer-events: none;
}

.help-file + .help-file {
  margin-top: 28px;
}

.help-file h2 {
  margin: 0 0 18px;
  font-size: 28px;
  line-height: 1.1;
  font-weight: 800;
  color: #111;
}

.help-file-name {
  font-size: 36px;
  font-weight: 800;
}

.help-file-type {
  font-size: 20px;
  font-weight: 600;
}

.help-file h3 {
  margin: 0 0 16px;
  font-size: 24px;
  line-height: 1.15;
  font-weight: 400;
}

.help-file p,
.help-file li {
  font-size: 18px;
  line-height: 1.22;
}

.help-file p {
  margin: 0 0 16px;
}

.help-file ul {
  margin: 0 0 18px 28px;
}

.help-file li {
  margin: 0 0 6px;
}

@media (max-width: 760px) {
  .topbar-inner {
    min-height: 56px;
  }
  .brand-logo {
    width: 122px;
  }
  h1 { font-size: 30px; }
  .hero { grid-template-columns: 1fr; }
  .actions { align-items: flex-start; min-width: 0; }
  .icon-row { justify-content: flex-start; }
  .primary-btn {
    font-size: 18px;
    height: 44px;
  }
  .version-select {
    font-size: 13px;
  }
  .help-intro p {
    font-size: 18px;
  }
  .help-file h2 {
    font-size: 24px;
  }
  .help-file-name {
    font-size: 30px;
  }
  .help-file-type,
  .help-file h3 {
    font-size: 18px;
  }
  .help-file p,
  .help-file li {
    font-size: 16px;
  }
}