:root {
  --bg: #f7f3ea;
  --surface: #fffdf8;
  --ink: #17201b;
  --muted: #5e6a62;
  --line: #ddd5c5;
  --accent: #145c4f;
  --accent-strong: #0b3f38;
  --gold: #b6842d;
  --error: #9f2d2d;
  --shadow: 0 22px 70px rgba(23, 32, 27, 0.12);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--bg);
}

body {
  margin: 0;
  color: var(--ink);
  background: linear-gradient(180deg, #fffdf8, var(--bg));
}

a {
  color: inherit;
}

.site-header {
  width: min(100% - 32px, 1120px);
  min-height: 56px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: flex-start;
}

.brand {
  font-weight: 850;
  text-decoration: none;
  letter-spacing: 0;
}

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

.tool-hero {
  min-height: 0;
  display: grid;
  grid-template-columns: minmax(320px, 0.9fr) minmax(380px, 1.1fr);
  gap: clamp(24px, 4vw, 56px);
  align-items: start;
  padding: clamp(24px, 6vh, 56px) 0 40px;
}

.hero-copy {
  padding-top: 12px;
}

h1 {
  max-width: 14ch;
  margin: 0;
  font-size: clamp(2.5rem, 4.6vw, 3.85rem);
  line-height: 1;
  letter-spacing: 0;
}

#main-title:focus {
  outline: 3px solid rgba(20, 92, 79, 0.36);
  outline-offset: 5px;
}

.lede {
  max-width: 38rem;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 1.13rem;
  line-height: 1.6;
}

.search-panel,
.results-panel {
  border: 1px solid var(--line);
  background: rgba(255, 253, 248, 0.92);
  box-shadow: var(--shadow);
}

.search-panel {
  padding: clamp(18px, 3vw, 28px);
}

.search-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
}

input[type="search"],
input[type="number"] {
  width: 100%;
  min-height: 48px;
  border: 1px solid var(--line);
  background: #ffffff;
  color: var(--ink);
  font: inherit;
  padding: 0 14px;
  border-radius: 0;
}

button {
  min-height: 48px;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #ffffff;
  font: inherit;
  font-weight: 800;
  padding: 0 22px;
  cursor: pointer;
}

button:hover,
button:focus {
  background: var(--accent-strong);
}

.filters {
  display: grid;
  grid-template-columns: 132px minmax(0, 1fr);
  gap: 8px;
  align-items: end;
  margin-top: 10px;
}

.filters label {
  display: grid;
  gap: 4px;
  color: var(--muted);
  font-size: 0.74rem;
  font-weight: 650;
}

.filters label:not(.check) {
  min-height: 36px;
  grid-template-columns: auto 40px;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.56);
  padding: 0 8px;
}

.filters label:not(.check) span {
  white-space: nowrap;
}

.filters input[type="number"] {
  min-height: 32px;
  padding: 0 6px;
  font-size: 0.92rem;
}

.filters .check {
  min-height: 36px;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 7px;
  background: rgba(255, 255, 255, 0.56);
  padding: 0 10px;
  color: var(--ink);
  font-size: 0.8rem;
}

.results-panel {
  grid-column: 2;
  min-height: 180px;
  padding: clamp(18px, 3vw, 28px);
}

.empty {
  display: flex;
  min-height: 160px;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  text-align: center;
  line-height: 1.5;
}

.empty.error {
  color: var(--error);
}

.result-summary {
  margin-bottom: 18px;
  color: var(--muted);
}

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

.result-group {
  margin-top: 22px;
}

.result-group h2 {
  margin: 0 0 10px;
  color: var(--muted);
  font-size: 0.88rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.word-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
}

.word-list li {
  border: 1px solid var(--line);
  background: #ffffff;
  font-weight: 720;
}

.word-list a {
  display: block;
  padding: 8px 11px;
  color: inherit;
  text-decoration: none;
}

.word-list a:hover,
.word-list a:focus {
  background: #f5f0e6;
}

.content-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  padding: 30px 0 70px;
}

.content-grid article {
  border-top: 2px solid var(--gold);
  padding-top: 16px;
}

.content-grid h2 {
  margin: 0 0 10px;
  font-size: 1.08rem;
}

.content-grid p,
footer p {
  color: var(--muted);
  line-height: 1.6;
}

footer {
  width: min(100% - 32px, 1120px);
  margin: 0 auto;
  padding: 24px 0 44px;
  border-top: 1px solid var(--line);
  font-size: 0.9rem;
}

@media (max-width: 860px) {
  .tool-hero {
    min-height: auto;
    grid-template-columns: 1fr;
    gap: 18px;
    padding-top: 18px;
  }

  h1 {
    max-width: 100%;
    font-size: clamp(2.2rem, 10vw, 3.1rem);
  }

  .results-panel {
    grid-column: auto;
  }

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

  .filters {
    grid-template-columns: minmax(116px, 132px) minmax(0, 1fr);
    gap: 8px;
  }

  .search-row {
    grid-template-columns: 1fr;
  }

  .results-panel {
    min-height: 140px;
  }
}