:root {
  color-scheme: light;
  --paper: #f5f2e8;
  --ink: #1d2528;
  --muted: #66706f;
  --line: #d7d0bf;
  --panel: #fffdf7;
  --accent: #126a62;
  --accent-dark: #0c4c46;
  --amber: #b46b20;
  --shadow: 0 18px 44px rgba(29, 37, 40, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--paper);
  color: var(--ink);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button,
input {
  font: inherit;
}

.shell {
  width: min(920px, 100%);
  margin: 0 auto;
  padding: max(22px, env(safe-area-inset-top)) 16px max(28px, env(safe-area-inset-bottom));
}

.hero {
  padding: 18px 0 14px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--amber);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.version-badge {
  display: inline-block;
  margin-left: 6px;
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 900;
}

h1 {
  margin: 0;
  font-size: clamp(2rem, 12vw, 4.6rem);
  line-height: 0.94;
  letter-spacing: 0;
}

.intro {
  max-width: 680px;
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 1.02rem;
  line-height: 1.48;
}

.install-button {
  margin-top: 16px;
  min-height: 42px;
  border: 1px solid rgba(18, 106, 98, 0.22);
  background: var(--accent);
  color: white;
  padding: 0 16px;
}

.install-button[hidden] {
  display: none;
}

.install-panel {
  max-width: 680px;
  margin-top: 12px;
  border: 1px solid rgba(18, 106, 98, 0.24);
  border-radius: 8px;
  background: rgba(255, 253, 247, 0.86);
  padding: 12px 14px;
  color: var(--muted);
  line-height: 1.4;
}

.install-panel[hidden] {
  display: none;
}

.install-panel strong {
  display: block;
  color: var(--accent-dark);
}

.install-panel ol {
  margin: 8px 0 0;
  padding-left: 20px;
}

.install-panel li + li {
  margin-top: 4px;
}

.install-panel p {
  margin: 10px 0 0;
  color: var(--accent-dark);
  font-weight: 800;
}

.expansion-box {
  margin-top: 16px;
  border: 1px solid rgba(18, 106, 98, 0.24);
  border-radius: 8px;
  background: rgba(255, 253, 247, 0.82);
  box-shadow: 0 12px 30px rgba(29, 37, 40, 0.08);
  overflow: hidden;
}

.expansion-head {
  padding: 12px 14px;
  border-bottom: 1px solid rgba(18, 106, 98, 0.16);
}

.expansion-head h2 {
  margin: 0;
  color: var(--accent-dark);
  font-size: 1rem;
  line-height: 1.2;
}

.expansion-head p {
  margin: 6px 0 0;
  color: var(--muted);
  line-height: 1.35;
}

.expansion-list {
  display: grid;
  gap: 0;
}

.expansion-item {
  display: grid;
  gap: 10px;
  padding: 12px 14px;
  border-top: 1px solid rgba(215, 208, 191, 0.72);
}

.expansion-item:first-child {
  border-top: 0;
}

.expansion-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: var(--ink);
  font-weight: 900;
}

.expansion-title span {
  color: var(--accent-dark);
  text-align: right;
}

.expansion-steps {
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
  line-height: 1.4;
}

.expansion-steps li + li {
  margin-top: 6px;
}

.expansion-patches {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.expansion-patches span {
  min-height: 28px;
  border: 1px solid rgba(18, 106, 98, 0.18);
  border-radius: 8px;
  background: rgba(18, 106, 98, 0.08);
  color: var(--accent-dark);
  padding: 4px 8px;
  font-size: 0.88rem;
  font-weight: 800;
  overflow-wrap: anywhere;
}

.search-panel {
  position: sticky;
  top: 0;
  z-index: 2;
  margin: 14px -16px 0;
  padding: 12px 16px;
  background: rgba(245, 242, 232, 0.94);
  backdrop-filter: blur(14px);
  border-block: 1px solid rgba(215, 208, 191, 0.72);
}

.search-form label {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 700;
}

.search-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
}

input[type="search"] {
  width: 100%;
  min-height: 48px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  color: var(--ink);
  padding: 0 14px;
  text-transform: uppercase;
  outline: none;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.75);
}

input[type="search"]:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(18, 106, 98, 0.16);
}

button {
  min-height: 48px;
  border: 0;
  border-radius: 8px;
  background: var(--accent);
  color: white;
  padding: 0 18px;
  font-weight: 800;
  cursor: pointer;
}

button:active {
  transform: translateY(1px);
}

.ghost-button {
  width: 100%;
  margin-top: 10px;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--accent-dark);
}

.status {
  min-height: 26px;
  margin: 14px 0 10px;
  color: var(--muted);
  font-weight: 700;
}

.equivalence-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 10px;
  margin: 0 0 14px;
  color: var(--muted);
}

.equivalence-row[hidden] {
  display: none;
}

.equivalence-row strong {
  color: var(--ink);
}

.equivalence-list {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.equivalence-list span {
  min-height: 28px;
  border: 1px solid rgba(180, 107, 32, 0.2);
  border-radius: 8px;
  background: rgba(180, 107, 32, 0.1);
  color: var(--amber);
  padding: 4px 8px;
  font-size: 0.88rem;
  font-weight: 900;
}

.results {
  display: grid;
  gap: 18px;
}

.result-group {
  display: grid;
  gap: 10px;
}

.group-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.group-title h2 {
  margin: 0;
  font-size: 1rem;
  line-height: 1.1;
  letter-spacing: 0;
}

.group-title span {
  min-width: 32px;
  border-radius: 999px;
  background: rgba(180, 107, 32, 0.12);
  color: var(--amber);
  padding: 4px 8px;
  font-size: 0.8rem;
  font-weight: 900;
  text-align: center;
}

.group-grid {
  display: grid;
  gap: 12px;
}

.result-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.card-head {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 12px;
  padding: 14px;
  border-bottom: 1px solid var(--line);
}

.tube-name {
  margin: 5px 0 0;
  font-size: 1.55rem;
  line-height: 1;
  letter-spacing: 0;
}

.mode-badge {
  display: inline-block;
  color: var(--amber);
  font-size: 0.72rem;
  font-weight: 900;
  line-height: 1.1;
  text-transform: uppercase;
}

.press {
  max-width: 45%;
  color: var(--accent-dark);
  font-size: 0.84rem;
  font-weight: 900;
  text-align: right;
}

.card-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  flex-wrap: wrap;
  padding: 10px 14px;
  border-bottom: 1px solid var(--line);
  background: rgba(245, 242, 232, 0.42);
}

.spec-button,
.datasheet-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  border: 1px solid rgba(18, 106, 98, 0.2);
  background: var(--panel);
  color: var(--accent-dark);
  padding: 0 12px;
  font-size: 0.88rem;
  font-weight: 800;
  text-decoration: none;
}

.datasheet-button {
  border-color: rgba(180, 107, 32, 0.24);
  color: var(--amber);
}

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

.reference-callout {
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  background: rgba(180, 107, 32, 0.1);
  color: var(--accent-dark);
  font-weight: 800;
  line-height: 1.35;
}

.setting {
  min-height: 58px;
  padding: 10px 12px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.setting:nth-child(2n) {
  border-right: 0;
}

.setting:nth-last-child(-n + 2) {
  border-bottom: 0;
}

.label {
  display: block;
  color: var(--muted);
  font-size: 0.7rem;
  font-weight: 900;
  text-transform: uppercase;
}

.value {
  display: block;
  margin-top: 4px;
  font-size: 1.02rem;
  font-weight: 800;
  overflow-wrap: anywhere;
}

.extra {
  display: grid;
  gap: 8px;
  padding: 12px 14px 14px;
  color: var(--muted);
  line-height: 1.35;
}

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

.spec-panel {
  display: grid;
  gap: 12px;
  padding: 14px;
  border-top: 1px solid var(--line);
  background: rgba(255, 253, 247, 0.74);
}

.spec-panel[hidden] {
  display: none;
}

.spec-head {
  display: grid;
  gap: 3px;
}

.spec-head strong {
  color: var(--ink);
  font-size: 1.02rem;
}

.spec-head span,
.spec-source,
.spec-empty {
  color: var(--muted);
  line-height: 1.35;
}

.spec-block {
  display: grid;
  gap: 7px;
}

.spec-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.spec-tags span {
  min-height: 28px;
  border: 1px solid rgba(18, 106, 98, 0.18);
  border-radius: 8px;
  background: rgba(18, 106, 98, 0.08);
  color: var(--accent-dark);
  padding: 4px 8px;
  font-size: 0.88rem;
  font-weight: 800;
}

.spec-ratings {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 7px;
}

.spec-row {
  border: 1px solid rgba(215, 208, 191, 0.85);
  border-radius: 8px;
  padding: 8px;
  background: var(--panel);
}

.spec-row span {
  display: block;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 900;
  text-transform: uppercase;
}

.spec-row strong {
  display: block;
  margin-top: 3px;
  color: var(--ink);
}

.spec-list {
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
  line-height: 1.4;
}

.spec-list li + li {
  margin-top: 5px;
}

.spec-source a {
  color: var(--accent-dark);
  font-weight: 800;
}

.connections {
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
}

.connection-list {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 8px;
}

.connection-list span {
  min-height: 30px;
  border: 1px solid rgba(18, 106, 98, 0.18);
  border-radius: 8px;
  background: rgba(18, 106, 98, 0.08);
  color: var(--accent-dark);
  padding: 5px 8px;
  font-size: 0.92rem;
  font-weight: 800;
  overflow-wrap: anywhere;
}

.empty {
  border: 1px dashed var(--line);
  border-radius: 8px;
  padding: 18px;
  background: rgba(255, 253, 247, 0.68);
  color: var(--muted);
  line-height: 1.45;
}

.notes {
  margin-top: 24px;
  border-top: 1px solid var(--line);
  padding-top: 14px;
}

.notes summary {
  color: var(--accent-dark);
  font-weight: 900;
  cursor: pointer;
}

.notes-body {
  color: var(--muted);
  line-height: 1.45;
}

.note-item {
  padding: 10px 0;
  border-top: 1px solid rgba(215, 208, 191, 0.7);
}

.note-item strong {
  display: block;
  color: var(--ink);
}

@media (min-width: 720px) {
  .shell {
    padding-inline: 28px;
  }

  .search-panel {
    margin-inline: -28px;
    padding-inline: 28px;
  }

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

  .result-card:first-child:nth-last-child(1) {
    max-width: 620px;
  }
}

@media (max-width: 390px) {
  .search-row {
    grid-template-columns: 1fr;
  }

  .press {
    max-width: 52%;
    font-size: 0.78rem;
  }
}