:root {
  color-scheme: light dark;
  --bg: #ffffff;
  --fg: #111418;
  --muted: #5b6470;
  --border: #d8dde3;
  --accent: #2563eb;
  --warn-bg: #fdecec;
  --warn-fg: #8a1f1f;
  --pre-bg: #f5f6f8;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1115;
    --fg: #e6e8ec;
    --muted: #9aa2ad;
    --border: #2a2f38;
    --accent: #60a5fa;
    --warn-bg: #3b1414;
    --warn-fg: #fda4a4;
    --pre-bg: #161a21;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
}

main {
  max-width: 880px;
  margin: 0 auto;
  padding: 24px 16px 64px;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.title {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

h1 {
  font-size: 18px;
  margin: 0;
  font-weight: 600;
}

.version {
  font-size: 12px;
  color: var(--muted);
}

.auth {
  display: flex;
  align-items: center;
  gap: 6px;
}

.auth label {
  font-size: 12px;
  color: var(--muted);
}

.auth input {
  width: 180px;
  max-width: 100%;
  padding: 4px 8px;
  font-size: 13px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--fg);
  border-radius: 4px;
  box-shadow: none;
}

.auth .warning {
  font-size: 11px;
  color: var(--warn-fg);
}

.tabs {
  display: flex;
  gap: 4px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 16px;
}

.tab {
  background: transparent;
  border: 0;
  padding: 8px 14px;
  font: inherit;
  color: var(--muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
}

.tab.active {
  color: var(--fg);
  border-bottom-color: var(--accent);
}

.panel { margin-bottom: 16px; }

.row {
  display: flex;
  gap: 8px;
  margin-bottom: 8px;
  flex-wrap: wrap;
  align-items: center;
}

input.search {
  flex: 1 1 320px;
  padding: 10px 12px;
  font-size: 15px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--fg);
  border-radius: 4px;
}

input.aux {
  flex: 0 0 auto;
  width: 140px;
  padding: 4px 8px;
  font-size: 13px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--fg);
  border-radius: 4px;
}

button {
  padding: 8px 14px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--fg);
  border-radius: 4px;
  cursor: pointer;
  font: inherit;
}

button.aux-btn {
  padding: 4px 10px;
  font-size: 13px;
}

button:hover { border-color: var(--accent); }

.check {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--muted);
}

.results { margin-top: 16px; }

pre#output {
  background: var(--pre-bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 12px;
  font-size: 12px;
  overflow: auto;
  max-height: 480px;
  margin: 0 0 8px;
}

.status {
  font-size: 12px;
  color: var(--muted);
}

.banner {
  margin-top: 8px;
  padding: 8px 12px;
  border-radius: 4px;
  background: var(--warn-bg);
  color: var(--warn-fg);
  font-size: 13px;
}