:root {
  --bg: #f5f8fb;
  --panel: #ffffff;
  --text: #122033;
  --muted: #66748a;
  --line: #dce4ee;
  --green: #087a4a;
  --green-dark: #075f3c;
  --yellow: #f6c949;
  --blue: #1f5daa;
  --blue-light: #e8f1fb;
  --danger: #a43a31;
  --shadow: 0 12px 36px rgba(18, 32, 51, 0.08);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
}

button,
input,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

.wrap {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.site-header {
  background: linear-gradient(135deg, var(--green), #0d8d72);
  color: #fff;
  padding: 28px 0 34px;
}

.header-grid {
  display: grid;
  gap: 22px;
}

.eyebrow {
  margin: 0 0 8px;
  color: currentColor;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.78;
}

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

h1 {
  margin-bottom: 10px;
  font-size: 2.35rem;
  line-height: 1;
}

h2 {
  margin-bottom: 0;
  font-size: 1.25rem;
}

h3 {
  margin-bottom: 0;
  font-size: 0.98rem;
}

.header-copy {
  max-width: 620px;
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.9);
  font-size: 1rem;
  line-height: 1.5;
}

.stats-strip {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  margin: 0;
}

.stats-strip div {
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 8px;
  padding: 12px;
  background: rgba(255, 255, 255, 0.12);
}

.stats-strip dt {
  color: rgba(255, 255, 255, 0.76);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
}

.stats-strip dd {
  margin: 4px 0 0;
  font-size: 1.7rem;
  font-weight: 850;
}

.main-layout {
  display: grid;
  gap: 16px;
  padding: 16px 0 40px;
}

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

.compare-panel,
.mine-panel,
.editor-panel {
  padding: 16px;
}

.section-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
}

.updated,
.result-text-panel p,
.mine-toolbar p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.mine-tabs {
  display: grid;
  gap: 6px;
  margin-bottom: 16px;
  border-radius: 8px;
  background: #eef3f8;
  padding: 4px;
}

.mine-tabs {
  grid-template-columns: 1fr;
}

.mine-tab {
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--muted);
  padding: 10px 12px;
  font-weight: 750;
}

.mine-tab.is-active {
  background: #fff;
  color: var(--green-dark);
  box-shadow: 0 2px 8px rgba(18, 32, 51, 0.08);
}

.input-grid,
.editor-grid {
  display: grid;
  gap: 12px;
}

.field,
.search-field {
  display: grid;
  gap: 8px;
}

.field span,
.search-field span {
  color: var(--text);
  font-size: 0.86rem;
  font-weight: 780;
}

textarea,
input[type="search"] {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--text);
  outline: 0;
}

textarea {
  min-height: 120px;
  resize: vertical;
  padding: 12px;
  line-height: 1.45;
}

input[type="search"] {
  height: 42px;
  padding: 0 12px;
}

textarea:focus,
input[type="search"]:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(31, 93, 170, 0.14);
}

.compare-actions,
.mine-toolbar,
.editor-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.compare-actions {
  justify-content: flex-start;
  margin: 16px 0 12px;
}

.result-text-panel {
  display: grid;
  gap: 8px;
}

.mine-toolbar {
  margin: 14px 0 12px;
}

.editor-actions {
  justify-content: flex-start;
  margin: 14px 0;
}

.primary-button,
.ghost-button,
.mini-button {
  border-radius: 8px;
  font-weight: 800;
}

.primary-button {
  border: 1px solid var(--green-dark);
  background: var(--green);
  color: #fff;
  padding: 10px 14px;
}

.primary-button:hover {
  background: var(--green-dark);
}

.ghost-button,
.mini-button {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--text);
}

.ghost-button {
  padding: 10px 14px;
}

.mini-button {
  padding: 7px 10px;
  font-size: 0.82rem;
}

.code-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  min-height: 86px;
  padding: 12px;
}

.code-list.large {
  max-height: 380px;
  overflow: auto;
  align-content: flex-start;
}

.code-list.grouped {
  display: grid;
  gap: 16px;
  align-content: start;
}

.code-group {
  display: grid;
  gap: 8px;
}

.code-group-title {
  margin: 0;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 850;
  text-transform: uppercase;
}

.code-group-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.code-list.empty {
  display: block;
  color: var(--muted);
  font-size: 0.93rem;
}

.code-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid #bdd7c9;
  border-radius: 999px;
  background: #effaf4;
  color: var(--green-dark);
  padding: 6px 9px;
  font-size: 0.86rem;
  font-weight: 850;
  line-height: 1;
}

.code-chip .qty {
  border-radius: 999px;
  background: var(--green);
  color: #fff;
  padding: 3px 6px;
  font-size: 0.72rem;
}

.code-chip.is-special {
  border-color: #ead173;
  background: #fff9dd;
  color: #6d5600;
}

.code-chip.is-reserved {
  border-color: #d6dce5;
  background: #f1f4f7;
  color: var(--muted);
}

.code-chip.is-unknown {
  border-color: #f0bbb5;
  background: #fff0ee;
  color: var(--danger);
}

.search-field {
  margin-bottom: 12px;
}

details summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  list-style: none;
}

details summary::-webkit-details-marker {
  display: none;
}

summary span {
  display: grid;
  gap: 3px;
}

summary small {
  color: var(--muted);
}

details[open] summary {
  margin-bottom: 16px;
}

#jsonOutput {
  min-height: 220px;
  font-family:
    "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  font-size: 0.84rem;
}

#resultText {
  min-height: 190px;
  background: #f8fafc;
  font-family:
    "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  font-size: 0.9rem;
}

.toast {
  position: fixed;
  right: 16px;
  bottom: 16px;
  z-index: 10;
  max-width: calc(100vw - 32px);
  border-radius: 8px;
  background: var(--text);
  color: #fff;
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;
  padding: 10px 12px;
  transition:
    opacity 160ms ease,
    transform 160ms ease;
}

.toast.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (min-width: 680px) {
  h1 {
    font-size: 3.35rem;
  }

  .header-grid {
    grid-template-columns: minmax(0, 1fr) 340px;
    align-items: end;
  }

  .mine-tabs {
    grid-template-columns: repeat(4, 1fr);
  }

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

  .editor-grid .field:last-child {
    grid-column: 1 / -1;
  }
}