:root {
  --bg: #0f1114;
  --surface: #161a20;
  --border: #2a3038;
  --text: #e4e6eb;
  --muted: #8b929a;
  --accent: #5b9fd4;
  --error: #e06c75;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, sans-serif;
  font-size: 14px;
  background: var(--bg);
  color: var(--text);
  line-height: 1.4;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

header h1 {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 600;
}

#btn-token {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 6px 12px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 13px;
}

#btn-token:hover {
  color: var(--text);
  border-color: var(--muted);
}

.layout {
  display: flex;
  min-height: calc(100vh - 49px);
}

.sidebar {
  width: 200px;
  flex-shrink: 0;
  padding: 16px;
  border-right: 1px solid var(--border);
  background: var(--surface);
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.sidebar label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 12px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.sidebar select {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px;
  border-radius: 4px;
  font-size: 13px;
  text-transform: none;
  letter-spacing: normal;
}

main {
  flex: 1;
  padding: 16px 20px;
  overflow-x: auto;
}

.error {
  color: var(--error);
  margin: 0 0 12px;
}

.error.hidden {
  display: none;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
}

th {
  color: var(--muted);
  font-weight: 500;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

tr.offline td {
  color: var(--muted);
}

.status {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 3px;
  font-size: 12px;
  background: var(--border);
}

tr.offline .status {
  background: transparent;
  border: 1px solid var(--border);
}

.btn-expand {
  background: transparent;
  border: none;
  color: var(--accent);
  cursor: pointer;
  font-size: 13px;
  padding: 0;
}

.btn-expand:hover {
  text-decoration: underline;
}

.details-row td {
  padding: 0 12px 12px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

.details-row pre {
  margin: 8px 0 0;
  padding: 10px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow-x: auto;
  font-size: 12px;
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 200px;
}

.details-row .label {
  font-size: 11px;
  color: var(--muted);
  text-transform: uppercase;
  margin-top: 10px;
}

.details-row .label:first-child {
  margin-top: 0;
}

.empty {
  color: var(--muted);
  text-align: center;
  padding: 24px;
}