:root {
  color-scheme: dark;
  --bg: #080807;
  --panel: #14120e;
  --panel-strong: #1d1810;
  --text: #f7f2e7;
  --muted: #b9ad98;
  --line: rgba(216, 177, 95, 0.24);
  --gold: #d8b15f;
  --danger: #ff8f80;
  --ok: #9be0b5;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: linear-gradient(140deg, #080807 0%, #11100d 54%, #251b0e 100%);
  color: var(--text);
}

a {
  color: var(--gold);
}

.shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 34px 0 54px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 48px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--gold);
  font-weight: 800;
}

.mark {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  border-radius: 8px;
  background: var(--gold);
  color: #0b0906;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  font-size: 14px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(360px, 1.1fr);
  gap: 28px;
  align-items: start;
}

.hero h1 {
  max-width: 700px;
  margin: 0 0 18px;
  font-size: clamp(42px, 8vw, 82px);
  line-height: 0.98;
  letter-spacing: 0;
}

.hero p {
  max-width: 680px;
  margin: 0 0 28px;
  color: var(--muted);
  font-size: 20px;
  line-height: 1.5;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

button,
.button,
.file-button {
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 14px;
  color: var(--text);
  background: rgba(255, 255, 255, 0.05);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
}

button.primary,
.button.primary {
  border-color: transparent;
  background: var(--gold);
  color: #0b0906;
}

.file-button input {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
}

.tool {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(12, 10, 7, 0.82);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.34);
}

textarea {
  display: block;
  width: 100%;
  min-height: 330px;
  resize: vertical;
  border: 0;
  border-bottom: 1px solid var(--line);
  padding: 18px;
  color: var(--text);
  background: #0d0c0a;
  font: 13px/1.55 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.field-label {
  display: block;
  padding: 14px 18px 8px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

input[type="url"],
input[type="text"],
select {
  display: block;
  width: calc(100% - 36px);
  min-height: 42px;
  margin: 0 18px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 12px;
  color: var(--text);
  background: #0d0c0a;
  font: 13px/1.4 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.compact-textarea {
  min-height: 130px;
}

.tool-footer {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  padding: 14px;
}

.status {
  color: var(--muted);
  font-size: 14px;
}

.status[data-tone="ok"] {
  color: var(--ok);
}

.status[data-tone="error"] {
  color: var(--danger);
}

.results {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 20px;
  align-items: start;
  margin-top: 34px;
}

.panel {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
  background: rgba(12, 10, 7, 0.68);
}

.panel h2,
.panel h3 {
  margin: 0 0 12px;
  letter-spacing: 0;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.metric {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  background: var(--panel);
  overflow-wrap: anywhere;
}

.metric span {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 13px;
}

.metric strong {
  font-size: 18px;
}

ul {
  margin: 0;
  padding-left: 20px;
}

li {
  margin: 8px 0;
  color: var(--text);
  overflow-wrap: anywhere;
}

.muted {
  color: var(--muted);
}

.brief {
  min-height: 190px;
  margin-top: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
}

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

.compare-grid label {
  display: block;
  min-width: 0;
}

.compare-grid label + label {
  border-left: 1px solid var(--line);
}

.compare-grid span {
  display: block;
  padding: 12px 14px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.compare-grid textarea {
  min-height: 310px;
}

.wide {
  grid-column: 1 / -1;
}

.node-cards {
  display: grid;
  gap: 12px;
}

.node-card {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
  background: var(--panel);
  overflow-wrap: anywhere;
}

.node-card h3 {
  margin: 0 0 10px;
}

.node-card p {
  margin: 8px 0;
  color: var(--muted);
}

code {
  color: var(--gold);
}

.footer {
  margin-top: 40px;
  color: var(--muted);
  font-size: 14px;
}

@media (max-width: 860px) {
  .topbar,
  .hero,
  .results,
  .compare-grid {
    grid-template-columns: 1fr;
  }

  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero h1 {
    font-size: 44px;
  }

  .tool-footer {
    flex-direction: column;
  }

  .compare-grid label + label {
    border-left: 0;
    border-top: 1px solid var(--line);
  }
}

@media (max-width: 520px) {
  .metrics {
    grid-template-columns: 1fr;
  }
}