:root {
  --bg-primary: #000;
  --bg-secondary: #111;
  --text-primary: #fff;
  --text-secondary: #888;
  --accent: #0d47a1;
  --border: #333;
  --radius: 8px;
  --transition: all 0.2s ease;
  --json-string: #a8ff60;
  --json-number: #d8fa3c;
  --json-boolean: #ff8b50;
  --json-null: #ff8b50;
  --json-key: #2b91af;
  --line-number: #888;
  --error-bg: #421818;
  --error-text: #ff4444;
  --error-border: #662222;
  --method-post-bg: #1b5e20;
  --method-post-text: #fff;
  --spinner-border: rgba(255, 255, 255, 0.5);
  --spinner-border-hover: #444;
}

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

body {
  font-family: system-ui, -apple-system, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.5;
  min-height: 100vh;
}

input, textarea {
  width: 100%;
  padding: 0.75rem;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-family: inherit;
  transition: var(--transition);
}

input:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.container {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 1rem;
  padding: 1rem;
  max-width: 1400px;
  margin: 0 auto;
  height: 92vh;
}

.sidebar {
  background: var(--bg-secondary);
  padding: 1.5rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.sidebar h2 {
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.footer {
  padding-left: 16px;
  padding-right: 16px;
  max-width: 1400px;
  margin: 0 auto;
}

.footer p {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-secondary);
  font-size: 0.875rem;
  padding: 16px;
  text-align: center;
}

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

.footer a:hover {
  text-decoration: underline;
}

.endpoint-btn {
  width: 100%;
  text-align: left;
  padding: 0.75rem 1rem;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-primary);
  border-radius: var(--radius);
  cursor: pointer;
  margin-bottom: 0.5rem;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
}

.endpoint-btn:hover {
  background: var(--bg-primary);
  border-color: var(--accent);
}

.method {
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
}

.method.get {
  background: var(--accent);
  color: var(--text-primary);
}

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

.config-form {
  margin-bottom: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border);
}

.main {
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 0;
}

#main-form {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.cols {
  flex: 1;
  min-height: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  background: var(--bg-secondary);
  padding: 1.5rem;
  padding-top: 0.5rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  height: calc(100vh - 200px);
  min-height: 0;
  margin-top: 20px;
}

.cols.single {
  grid-template-columns: 1fr;
}

.cols.single .json-viewer {
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.col {
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
}

.col-content {
  flex: 1;
  min-height: 0;
  position: relative;
}

.col-header {
  height: 3rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.col h3,
.col-header h3 {
  color: var(--text-secondary);
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin: 0;
}

.btn-copy {
  border: none;
  font-size: 1rem;
  color: var(--text-secondary);
  background-color: var(--bg-secondary);
  cursor: pointer;
  display: none;
}

.btn-copy.visible {
  display: inline-block;
}

.btn-primary {
  position: relative;
  min-width: 120px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--accent);
  color: var(--text-primary);
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  font-weight: 500;
  margin-top: 3rem;
  width: 150px;
}

.checkbox {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.checkbox input[type="checkbox"] {
  width: auto;
}

.checkbox label {
  margin: 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
}

.error {
  background: var(--error-bg);
  color: var(--error-text);
  padding: 1rem;
  border-radius: var(--radius);
  margin-bottom: 1rem;
  border: 1px solid var(--error-border);
}

.field {
  margin-bottom: 1.5rem;
}

.field label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.htmx-request .btn-primary {
  opacity: 0.7;
  pointer-events: none;
}

.htmx-request .btn-primary::after {
  content: "";
  position: absolute;
  right: 1rem;
  width: 16px;
  height: 16px;
  border: 2px solid var(--spinner-border);
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

.htmx-request .highlight {
  opacity: 0.3;
}

.htmx-request .response-area {
  opacity: 0.3;
}

.htmx-request #response {
  opacity: 0.3;
}

.highlight {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  margin: 0;
  padding: 1rem;
  background: var(--bg-primary) !important;
  border-radius: var(--radius);
  overflow: auto;
}

.highlight pre {
  margin: 0;
  font-family: 'Menlo', monospace !important;
  font-size: 0.875rem !important;
}

.highlight::-webkit-scrollbar {
  width: 8px;
}

.highlight::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

.highlight::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 4px;
}

.highlight::-webkit-scrollbar-thumb:hover {
  background: var(--spinner-border-hover);
}

.htmx-request .btn-primary .btn-text {
  display: none;
}

.htmx-request .btn-primary .spinner {
  display: block;
}

.htmx-request .json-viewer {
  opacity: 0.3;
}

.json-content {
  display: none;
}

.json-input, .json-viewer {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  overflow: auto;
  font-family: 'Menlo', monospace;
  font-size: 0.875rem;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  color: var(--text-primary);
  white-space: pre-wrap;
  word-wrap: break-word;
  word-break: break-all;
  line-height: 1.5;
  transition: opacity 0.3s ease;
  resize: none;
}

.json-input::-webkit-scrollbar,
.json-viewer::-webkit-scrollbar {
  width: 8px;
}

.json-input::-webkit-scrollbar-track,
.json-viewer::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

.json-input::-webkit-scrollbar-thumb,
.json-viewer::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 4px;
}

.json-input::-webkit-scrollbar-thumb:hover,
.json-viewer::-webkit-scrollbar-thumb:hover {
  background: var(--spinner-border-hover);
}

.json-input[contenteditable="true"] {
  cursor: text;
  outline: none;
}

.json-input[contenteditable="true"]:focus {
  border-color: var(--accent);
}

.json-input[contenteditable="true"] span {
  display: inline;
}

.request-url {
  background: var(--bg-primary) !important;
  color: var(--text-secondary) !important;
  cursor: not-allowed;
  font-family: 'Menlo', monospace;
  font-size: 0.875rem;
}


.request-form {
  flex: 1;
  display: flex;
  flex-direction: column;
  height: 100%;
}

#response pre {
  margin: 0;
  height: 100%;
  background: var(--bg-primary) !important;
  border-radius: var(--radius);
  overflow: auto;
  text-wrap: auto;
}

#response pre::-webkit-scrollbar {
  width: 8px;
}
#response pre::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
#response pre::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 4px;
}
#response pre::-webkit-scrollbar-thumb:hover {
  background: var(--spinner-border-hover);
}

#response code {
  font-family: 'Menlo', monospace;
  font-size: 0.875rem;
}

#response pre.hljs {
  margin: 0;
  height: 100%;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var (--radius);
}

#response {
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border: 1px solid var(--border);
}

.response-area {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 1rem;
  overflow: auto;
  font-family: 'Menlo', monospace !important;
  font-size: 0.875rem !important;
  line-height: 1.5;
  background: var(--bg-primary);
  border-radius: var(--radius);
  white-space: pre-wrap !important;
  word-wrap: break-word;
  word-break: break-all;
}

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

.spinner {
  width: 18px;
  height: 18px;
  border: 2px solid var(--spinner-border);
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  display: none;
}

.url-bar {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  background: var(--bg-secondary);
  padding: 1.5rem;
  padding-top: 0.7rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.url-bar .field {
  flex: 1;
  margin: 0;
}