:root {
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --secondary: #7c3aed;
  --accent: #10b981;
  --danger: #ef4444;
  --warning: #f59e0b;
  --bg: #0f172a;
  --bg-card: #1e293b;
  --bg-hover: #334155;
  --bg-input: #0f172a;
  --text: #f1f5f9;
  --text-dim: #94a3b8;
  --text-muted: #64748b;
  --border: #334155;
  --border-focus: #3b82f6;
  --get: #22c55e;
  --post: #3b82f6;
  --put: #f59e0b;
  --patch: #a855f7;
  --delete: #ef4444;
  --radius: 8px;
  --shadow: 0 4px 6px -1px rgba(0,0,0,0.3);
  --font: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f8fafc;
    --bg-card: #ffffff;
    --bg-hover: #f1f5f9;
    --bg-input: #f8fafc;
    --text: #0f172a;
    --text-dim: #475569;
    --text-muted: #94a3b8;
    --border: #e2e8f0;
    --shadow: 0 4px 6px -1px rgba(0,0,0,0.1);
  }
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

/* Layout */
.explorer-container {
  display: grid;
  grid-template-columns: 320px 1fr;
  grid-template-rows: auto 1fr;
  height: 100vh;
  overflow: hidden;
}

.explorer-container.embedded {
  height: 100%;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

/* Header */
.explorer-header {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 24px;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  gap: 16px;
}

.explorer-header h1 {
  font-size: 18px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
}

.explorer-header .logo { font-size: 24px; }

.search-box {
  flex: 1;
  max-width: 500px;
  position: relative;
}

.search-box input {
  width: 100%;
  padding: 8px 16px 8px 36px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-input);
  color: var(--text);
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s;
}

.search-box input:focus {
  border-color: var(--border-focus);
}

.search-box::before {
  content: '🔍';
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 14px;
}

.header-stats {
  display: flex;
  gap: 16px;
  font-size: 13px;
  color: var(--text-dim);
}

.header-stats .stat-value {
  font-weight: 700;
  color: var(--accent);
}

/* Sidebar */
.explorer-sidebar {
  overflow-y: auto;
  background: var(--bg-card);
  border-right: 1px solid var(--border);
  padding: 8px;
}

.service-group {
  margin-bottom: 4px;
}

.service-group-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  cursor: pointer;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 600;
  transition: background 0.15s;
}

.service-group-header:hover {
  background: var(--bg-hover);
}

.service-group-header .badge {
  font-size: 11px;
  background: var(--primary);
  color: white;
  padding: 1px 6px;
  border-radius: 10px;
  font-weight: 500;
}

.endpoint-list {
  list-style: none;
  padding: 0 0 0 8px;
}

.endpoint-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  cursor: pointer;
  border-radius: var(--radius);
  font-size: 13px;
  font-family: var(--font-mono);
  transition: background 0.15s;
}

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

.endpoint-item.active {
  background: var(--primary);
  color: white;
}

.method-badge {
  font-size: 10px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 4px;
  text-transform: uppercase;
  min-width: 50px;
  text-align: center;
  font-family: var(--font-mono);
}

.method-badge.get { background: var(--get); color: #052e16; }
.method-badge.post { background: var(--post); color: white; }
.method-badge.put { background: var(--put); color: #422006; }
.method-badge.patch { background: var(--patch); color: white; }
.method-badge.delete { background: var(--delete); color: white; }

.endpoint-path {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Main Content */
.explorer-main {
  overflow-y: auto;
  padding: 24px;
}

.welcome-screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  text-align: center;
  color: var(--text-muted);
}

.welcome-screen h2 { font-size: 28px; margin-bottom: 12px; color: var(--text); }
.welcome-screen p { font-size: 16px; max-width: 500px; }

/* Endpoint Detail */
.endpoint-detail {
  max-width: 900px;
}

.endpoint-detail-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}

.endpoint-detail-header .method-badge {
  font-size: 14px;
  padding: 4px 12px;
}

.endpoint-detail-header .path {
  font-size: 20px;
  font-weight: 600;
  font-family: var(--font-mono);
}

.endpoint-meta {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
  font-size: 13px;
  color: var(--text-dim);
}

.endpoint-meta .tag {
  background: var(--bg-hover);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 12px;
}

.detail-section {
  margin-bottom: 24px;
}

.detail-section h3 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 12px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border);
}

/* Parameters table */
.params-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.params-table th {
  text-align: left;
  padding: 8px 12px;
  background: var(--bg-hover);
  font-weight: 600;
  border-radius: var(--radius) var(--radius) 0 0;
}

.params-table td {
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
}

.params-table .param-name {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--primary);
}

.params-table .param-required {
  color: var(--danger);
  font-size: 11px;
}

/* Code block */
.code-block {
  background: #0d1117;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.5;
  overflow-x: auto;
  color: #c9d1d9;
  position: relative;
}

.code-block .copy-btn {
  position: absolute;
  top: 8px;
  right: 8px;
  background: var(--bg-hover);
  border: 1px solid var(--border);
  color: var(--text-dim);
  padding: 4px 8px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 11px;
}

.code-block .copy-btn:hover {
  background: var(--primary);
  color: white;
}

/* Source info */
.source-info {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text-muted);
  padding: 8px 12px;
  background: var(--bg-hover);
  border-radius: var(--radius);
}

.source-info a {
  color: var(--primary);
  text-decoration: none;
}

/* Loading state */
.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px;
  color: var(--text-dim);
}

.spinner {
  width: 24px;
  height: 24px;
  border: 3px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-right: 12px;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Responsive */
@media (max-width: 768px) {
  .explorer-container {
    grid-template-columns: 1fr;
  }
  .explorer-sidebar {
    display: none;
  }
}

/* Version footer */
.version-footer {
  padding: 8px 24px;
  font-size: 11px;
  color: var(--text-muted);
  text-align: center;
  border-top: 1px solid var(--border);
  background: var(--bg-card);
  grid-column: 1 / -1;
}