:root {
  --bg: #f6f3ed;
  --card: #ffffff;
  --ink: #1f2f42;
  --muted: #5b6c80;
  --stroke: rgba(31, 47, 66, 0.14);
  --added: #148d4b;
  --removed: #b42318;
  --modified: #d97706;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 1rem;
  min-height: 100vh;
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  background: linear-gradient(120deg, #f2ece3 0%, #f7f5f1 55%, #eef5f4 100%);
  color: var(--ink);
}

.topbar {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.eyebrow {
  margin: 0;
  font-family: "JetBrains Mono", monospace;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.72rem;
  color: var(--muted);
}

h1 {
  margin: 0.2rem 0;
  font-size: clamp(1.4rem, 2.1vw, 1.9rem);
}

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

.card {
  border: 1px solid var(--stroke);
  border-radius: 0.9rem;
  padding: 0.8rem;
  background: var(--card);
  box-shadow: 0 10px 24px rgba(31, 47, 66, 0.1);
}

.layout {
  display: grid;
  gap: 0.8rem;
}

.controls .grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(10rem, 1fr));
  gap: 0.7rem;
}

label {
  font-size: 0.84rem;
  color: var(--muted);
  display: grid;
  gap: 0.3rem;
}

select,
input {
  width: 100%;
  border: 1px solid var(--stroke);
  border-radius: 0.58rem;
  padding: 0.46rem 0.56rem;
  font-family: inherit;
  color: var(--ink);
  background: #fff;
}

.buttons {
  margin-top: 0.7rem;
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

button,
.link-btn {
  border: none;
  border-radius: 0.58rem;
  padding: 0.5rem 0.72rem;
  font-family: inherit;
  font-weight: 650;
  background: #164e8c;
  color: #fff;
  cursor: pointer;
  text-decoration: none;
}

.link-btn {
  background: #335b7f;
}

.link-btn.is-disabled {
  opacity: 0.5;
  pointer-events: none;
}

.status {
  margin: 0.65rem 0 0;
  color: var(--muted);
  font-size: 0.84rem;
}

.status[data-state="error"] {
  color: #b42318;
}

.results {
  display: grid;
  gap: 0.8rem;
  grid-template-columns: 1fr 1fr;
}

.summary-card {
  grid-column: span 2;
}

#compare-summary {
  margin: 0;
  color: var(--muted);
}

.list-card h2,
.map-card h2,
.summary-card h2 {
  margin: 0 0 0.5rem;
  font-size: 1.02rem;
}

.list-tools {
  display: grid;
  grid-template-columns: 1fr minmax(12rem, 18rem);
  gap: 0.55rem;
  margin-bottom: 0.5rem;
}

.tool-field {
  margin: 0;
}

.type-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.4rem;
}

.type-filter-option {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.8rem;
  color: var(--muted);
  border: 1px solid var(--stroke);
  border-radius: 999px;
  padding: 0.18rem 0.52rem;
  background: #fafafa;
}

.type-filter-option input {
  width: auto;
}

.list-count {
  margin: 0 0 0.5rem;
  font-size: 0.79rem;
  color: var(--muted);
}

#compare-list {
  list-style: none;
  margin: 0;
  padding: 0;
  max-height: 24rem;
  overflow: auto;
  display: grid;
  gap: 0.45rem;
}

.change-item {
  border: 1px solid var(--stroke);
  border-radius: 0.58rem;
  padding: 0.45rem 0.55rem;
  background: rgba(250, 250, 250, 0.9);
}

.change-head {
  font-weight: 700;
  font-size: 0.88rem;
}

.change-type-added {
  color: var(--added);
}

.change-type-removed {
  color: var(--removed);
}

.change-type-modified {
  color: var(--modified);
}

.change-meta {
  margin-top: 0.2rem;
  font-size: 0.79rem;
  color: var(--muted);
}

#compare-map {
  width: 100%;
  height: min(62vh, 34rem);
  border-radius: 0.7rem;
  border: 1px solid var(--stroke);
}

@media (max-width: 1024px) {
  .results {
    grid-template-columns: 1fr;
  }

  .summary-card {
    grid-column: span 1;
  }

  .controls .grid {
    grid-template-columns: 1fr 1fr;
  }

  .list-tools {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .controls .grid {
    grid-template-columns: 1fr;
  }

  #compare-map {
    height: 48vh;
  }
}