:root {
  --bg-body: #f3f4f6;
  --bg-sidebar: #1e293b;
  --text-sidebar: #e2e8f0;
  --text-sidebar-muted: #94a3b8;
  --bg-card: #ffffff;
  --text-primary: #1f2937;
  --text-muted: #6b7280;
  --border-color: #e5e7eb;
  --primary-color: #3b82f6;
  --primary-hover: #2563eb;
  --danger-color: #ef4444;
  --success-color: #10b981;
  --warning-color: #f59e0b;
  --method-get: #3b82f6;
  --method-post: #10b981;
  --method-put: #f59e0b;
  --method-delete: #ef4444;
  --method-patch: #8b5cf6;
  --code-bg: #f8fafc;
  --input-bg: #ffffff;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1);
  --radius: 8px;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace
}

[data-theme="dark"] {
  --bg-body: #0f172a;
  --bg-sidebar: #020617;
  --text-sidebar: #f1f5f9;
  --bg-card: #1e293b;
  --text-primary: #f1f5f9;
  --text-muted: #94a3b8;
  --border-color: #334155;
  --input-bg: #0f172a;
  --code-bg: #020617
}

* {
  box-sizing: border-box
}

body {
  font-family: var(--font-sans);
  margin: 0;
  padding: 0;
  background-color: var(--bg-body);
  color: var(--text-primary);
  display: flex;
  height: 100vh;
  overflow: hidden;
  line-height: 1.5;
  transition: background-color 0.3s, color 0.3s
}

.sidebar {
  width: 280px;
  background-color: var(--bg-sidebar);
  color: var(--text-sidebar);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  border-right: 1px solid var(--border-color)
}

.sidebar-header {
  padding: 20px;
  font-weight: 700;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  margin-bottom: 10px
}

.theme-toggle {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-sidebar);
  opacity: 0.7;
  font-size: 1.2rem;
  transition: opacity 0.2s;
  padding: 4px;
  border-radius: 4px
}

.theme-toggle:hover {
  opacity: 1;
  background-color: rgba(255, 255, 255, 0.1)
}

.nav-items {
  list-style: none;
  padding: 0;
  margin: 0;
  overflow-y: auto;
  flex: 1
}

.nav-items::-webkit-scrollbar {
  width: 6px
}

.nav-items::-webkit-scrollbar-thumb {
  background-color: rgba(255, 255, 255, 0.1)
}

.folder-item {
  margin-bottom: 2px
}

.folder-header {
  padding: 10px 20px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--text-sidebar);
  transition: background 0.2s
}

.folder-header:hover {
  background-color: rgba(255, 255, 255, 0.05)
}

.folder-icon {
  margin-right: 8px;
  opacity: 0.7
}

.chevron {
  font-size: 0.7rem;
  transition: transform 0.2s;
  opacity: 0.5
}

.open .chevron {
  transform: rotate(180deg)
}

.folder-content {
  display: none;
  padding-left: 0;
  background-color: rgba(0, 0, 0, 0.1)
}

.folder-content.open {
  display: block
}

.request-item {
  padding: 8px 20px 8px 36px;
  cursor: pointer;
  display: flex;
  align-items: center;
  font-size: 0.9rem;
  color: var(--text-sidebar-muted);
  transition: all 0.2s;
  border-left: 3px solid transparent
}

.request-item:hover {
  background-color: rgba(255, 255, 255, 0.05);
  color: var(--text-sidebar)
}

.request-item.active {
  background-color: rgba(59, 130, 246, 0.15);
  border-left-color: var(--primary-color);
  color: #ffffff
}

.method-tag {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  margin-right: 10px;
  min-width: 40px;
  text-align: right;
  letter-spacing: 0.5px
}

.tag-GET {
  color: var(--method-get)
}

.tag-POST {
  color: var(--method-post)
}

.tag-PUT {
  color: var(--method-put)
}

.tag-DELETE {
  color: var(--method-delete)
}

.tag-PATCH {
  color: var(--method-patch)
}

.main-content {
  flex: 1;
  overflow-y: auto;
  position: relative;
  padding: 40px;
  display: flex;
  flex-direction: column
}

.top-bar {
  position: absolute;
  top: 20px;
  right: 40px;
  z-index: 10
}

.btn-secondary {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 8px 16px;
  border-radius: var(--radius);
  color: var(--text-primary);
  font-weight: 500;
  cursor: pointer;
  font-size: 0.9rem;
  transition: all 0.2s;
  box-shadow: var(--shadow-sm)
}

.btn-secondary:hover {
  border-color: var(--text-muted);
  background-color: var(--bg-body)
}

.empty-state {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  text-align: center
}

.empty-state h2 {
  font-weight: 500;
  margin-bottom: 10px
}

.doc-header {
  margin-bottom: 30px
}

.doc-title {
  margin: 0 0 16px 0;
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: -0.025em
}

.url-container {
  background-color: var(--code-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  padding: 4px;
  font-family: var(--font-mono);
  font-size: 0.9rem
}

.method-badge {
  padding: 6px 12px;
  border-radius: 6px;
  color: #fff;
  font-weight: 600;
  font-size: 0.75rem;
  margin-right: 12px;
  text-transform: uppercase
}

.method-bg-GET {
  background-color: var(--method-get)
}

.method-bg-POST {
  background-color: var(--method-post)
}

.method-bg-PUT {
  background-color: var(--method-put)
}

.method-bg-DELETE {
  background-color: var(--method-delete)
}

.method-bg-PATCH {
  background-color: var(--method-patch)
}

.url-text {
  flex: 1;
  padding: 8px;
  color: var(--text-primary);
  word-break: break-all
}

.copy-btn {
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--text-muted);
  transition: color 0.2s
}

.copy-btn:hover {
  color: var(--text-primary)
}

.card {
  background-color: var(--bg-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
  overflow: hidden;
  margin-bottom: 30px
}

.card-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between
}

.card-title {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 600
}

.card-body {
  padding: 20px
}

.tabs {
  display: flex;
  border-bottom: 1px solid var(--border-color);
  margin: -20px -20px 20px -20px;
  padding: 0 20px;
  background-color: var(--bg-body)
}

.tab {
  padding: 12px 20px;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.9rem;
  transition: all 0.2s
}

.tab:hover {
  color: var(--text-primary)
}

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

.tab-content {
  display: none
}

.tab-content.active {
  display: block
}

.input-row {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 16px;
  margin-bottom: 12px
}

.input-control {
  width: 100%;
  padding: 10px;
  background-color: var(--input-bg);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  transition: border-color 0.2s, box-shadow 0.2s
}

.input-control:read-only {
  background-color: var(--bg-body);
  color: var(--text-muted);
  border-color: transparent
}

.input-control:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1)
}

textarea.input-control {
  min-height: 200px;
  font-family: var(--font-mono);
  line-height: 1.4;
  resize: vertical
}

.btn-primary {
  background-color: var(--primary-color);
  color: white;
  border: none;
  padding: 10px 24px;
  border-radius: 6px;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 8px
}

.btn-primary:hover {
  background-color: var(--primary-hover)
}

.response-container {
  margin-top: 20px;
  border-top: 1px solid var(--border-color);
  padding-top: 20px;
  display: none
}

.response-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 15px
}

.status-badge {
  padding: 4px 10px;
  border-radius: 12px;
  font-size: 0.85rem;
  font-weight: 600
}

.status-success {
  background-color: #d1fae5;
  color: #065f46
}

.status-error {
  background-color: #fee2e2;
  color: #991b1b
}

.status-loading {
  background-color: #e0f2fe;
  color: #075985
}

.code-block {
  background-color: var(--code-bg);
  border-radius: var(--radius);
  padding: 15px;
  overflow-x: auto;
  border: 1px solid var(--border-color);
  margin: 0
}

.code-block code {
  font-family: var(--font-mono);
  font-size: 0.9rem
}

.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  display: none;
  justify-content: center;
  align-items: center;
  z-index: 1000;
  backdrop-filter: blur(2px)
}

.modal-content {
  background: var(--bg-card);
  padding: 24px;
  border-radius: 12px;
  width: 450px;
  max-width: 90%;
  box-shadow: var(--shadow)
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px
}

.modal-title {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 600
}

.close-btn {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-muted)
}

.form-group {
  margin-bottom: 16px
}

.form-label {
  display: block;
  margin-bottom: 6px;
  font-weight: 500;
  font-size: 0.9rem
}

.helper-text {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 4px
}