:root {
  --bg: #161616;
  --panel: #1e1e1e;
  --panel-alt: #262626;
  --border: #333333;
  --accent: #ff6b35;
  --accent-dim: #a8481f;
  --text: #e8e6e0;
  --text-dim: #9ca3af;
}

* { box-sizing: border-box; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  margin: 0;
  padding: 0 1.5rem 3rem;
}

code, pre, .mono {
  font-family: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 0 1rem;
}

h1 {
  color: var(--accent);
  font-size: 1.4rem;
  margin: 0;
  letter-spacing: 0.01em;
}

h2 {
  color: var(--text);
  font-size: 1rem;
  margin: 2rem 0 0.75rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.4rem;
}

h3 {
  color: var(--text-dim);
  font-size: 0.9rem;
  margin: 1.2rem 0 0.4rem;
}

.langsw button, .tab-btn, #address-lookup-btn {
  background: var(--panel);
  color: var(--text-dim);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.4rem 0.9rem;
  font-family: inherit;
  cursor: pointer;
}

.langsw button.active, .tab-btn.active {
  color: var(--accent);
  border-color: var(--accent-dim);
}

.tabs {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.stat-row {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.stat-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1rem 1.5rem;
  min-width: 160px;
}

.stat-label {
  color: var(--text-dim);
  font-size: 0.8rem;
}

.stat-value {
  color: var(--accent);
  font-size: 1.6rem;
  margin-top: 0.3rem;
  font-family: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 0.5rem;
}

th, td {
  text-align: left;
  padding: 0.5rem 0.6rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
}

th {
  color: var(--text-dim);
  font-weight: normal;
}

td {
  font-family: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 0.85rem;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

code {
  background: var(--panel-alt);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.1rem 0.4rem;
  word-break: break-all;
}

.hint {
  color: var(--text-dim);
  font-size: 0.85rem;
}

.lookup-row {
  display: flex;
  gap: 0.5rem;
}

#address-input {
  flex: 1;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  padding: 0.5rem 0.8rem;
  font-family: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
}

.tab-panel { display: none; }
.tab-panel.active { display: block; }
.hidden { display: none; }

.code-block {
  background: var(--panel-alt);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.8rem 1rem;
  overflow-x: auto;
  font-size: 0.85rem;
  color: var(--accent);
  white-space: pre-wrap;
  word-break: break-all;
}