:root {
  color-scheme: light dark;
  --bg: #f7f7f8;
  --card-bg: #ffffff;
  --text: #1a1a1a;
  --muted: #666666;
  --border: #e2e2e2;
  --accent: #2563eb;
  --hover: #eef2ff;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121212;
    --card-bg: #1c1c1e;
    --text: #f0f0f0;
    --muted: #a0a0a0;
    --border: #333333;
    --accent: #60a5fa;
    --hover: #23283a;
  }
}

* {
  box-sizing: border-box;
}

html, body {
  height: 100%;
}

body {
  margin: 0;
  padding: 1.5rem;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
}

h1 {
  font-size: 1.25rem;
  margin: 0;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.hint {
  color: var(--muted);
  font-size: 0.9rem;
  margin: 0.5rem 0 1.25rem;
}

.hint code {
  background: var(--card-bg);
  border: 1px solid var(--border);
  padding: 0.1rem 0.4rem;
  border-radius: 4px;
}

.status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--muted);
}

.dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #d33;
}

.status.connected .dot {
  background: #22c55e;
}

.clear-btn {
  background: var(--card-bg);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.4rem 0.8rem;
  border-radius: 6px;
  font-size: 0.85rem;
  cursor: pointer;
}

.clear-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.layout {
  display: flex;
  flex: 1;
  gap: 1rem;
  min-height: 0;
}

.sidebar {
  width: 320px;
  flex-shrink: 0;
  overflow-y: auto;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--card-bg);
}

.sidebar-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 0.7rem 0.9rem;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
}

.sidebar-item:hover {
  background: var(--hover);
}

.sidebar-item.active {
  background: var(--hover);
  border-left: 3px solid var(--accent);
}

.sidebar-item-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.sidebar-item-time {
  font-size: 0.75rem;
  color: var(--muted);
}

.sidebar-item-preview {
  font-size: 0.78rem;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-family: monospace;
}

.badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.1rem 0.45rem;
  border-radius: 4px;
  color: #fff;
  letter-spacing: 0.02em;
}

.badge-GET { background: #2563eb; }
.badge-POST { background: #16a34a; }
.badge-PUT { background: #d97706; }
.badge-PATCH { background: #7c3aed; }
.badge-DELETE { background: #dc2626; }

.detail {
  flex: 1;
  overflow-y: auto;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--card-bg);
  padding: 1.25rem;
}

.detail .empty {
  color: var(--muted);
  font-style: italic;
}

.detail-section {
  margin-bottom: 1.5rem;
}

.detail-section h3 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
  margin: 0 0 0.5rem;
}

.kv-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.kv-table tr {
  border-bottom: 1px solid var(--border);
}

.kv-table td {
  padding: 0.4rem 0.5rem;
  vertical-align: top;
  word-break: break-word;
}

.kv-table td:first-child {
  color: var(--muted);
  white-space: nowrap;
  width: 1%;
  padding-right: 1rem;
  font-family: monospace;
}

pre {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 0.85rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.75rem;
}

.empty {
  color: var(--muted);
  font-style: italic;
  padding: 1rem;
}