:root {
  color-scheme: dark;
  --bg: #1a1410;
  --panel: #241c16;
  --panel-border: #3a2f24;
  --text: #f0e6d8;
  --text-muted: #b8a892;
  --accent: #e8a33d;
  --accent-dark: #8a5a1a;
  --error: #e05d5d;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

a {
  color: var(--accent);
}

.site-header {
  padding: 1.5rem 1.5rem 0.5rem;
  max-width: 900px;
  margin: 0 auto;
}

.site-header h1 {
  margin: 0 0 0.25rem;
}

.site-header p {
  color: var(--text-muted);
  margin: 0;
}

.tabs {
  display: flex;
  gap: 0.5rem;
  max-width: 900px;
  margin: 1rem auto 0;
  padding: 0 1.5rem;
  border-bottom: 1px solid var(--panel-border);
}

.tab-button {
  background: none;
  border: none;
  color: var(--text-muted);
  padding: 0.75rem 1rem;
  font-size: 1rem;
  cursor: pointer;
  border-bottom: 2px solid transparent;
}

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

.tab-button.is-active:hover {
  color: #1a1410;
}

main {
  max-width: 900px;
  margin: 0 auto;
  padding: 1.5rem;
}

.tab-panel {
  display: none;
}

.tab-panel.is-active {
  display: block;
}

.group-title {
  color: var(--accent);
  border-bottom: 1px solid var(--panel-border);
  padding-bottom: 0.25rem;
  margin-top: 2rem;
}

.group-title:first-child {
  margin-top: 0;
}

.tool-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
}

.tool-card {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  padding: 1rem;
}

.tool-card h3 {
  margin: 0 0 0.25rem;
  font-size: 1.05rem;
}

.tool-description {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin: 0 0 0.75rem;
}

.tool-form {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.field {
  display: flex;
  flex-direction: column;
  font-size: 0.85rem;
  gap: 0.25rem;
}

input,
select,
button {
  font-family: inherit;
  font-size: 0.95rem;
}

input[type='text'],
input[type='number'],
input[type='date'],
select {
  background: var(--bg);
  border: 1px solid var(--panel-border);
  color: var(--text);
  border-radius: 4px;
  padding: 0.4rem 0.5rem;
}

input[type='checkbox'] {
  width: fit-content;
}

button {
  background: var(--accent-dark);
  color: var(--text);
  border: none;
  border-radius: 4px;
  padding: 0.5rem 0.75rem;
  cursor: pointer;
  margin-top: 0.25rem;
}

button:hover {
  background: var(--accent);
  color: #1a1410;
}

.result {
  margin-top: 0.75rem;
}

.result pre {
  background: var(--bg);
  border: 1px solid var(--panel-border);
  border-radius: 4px;
  padding: 0.5rem;
  overflow-x: auto;
  font-size: 0.8rem;
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
}

.result--error pre {
  border-color: var(--error);
  color: var(--error);
}

.chat-container {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 700px;
}

.chat-auth {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text-muted);
}

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

.chat-controls select {
  width: auto;
}

.chat-log {
  min-height: 300px;
  max-height: 60vh;
  overflow-y: auto;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.chat-message {
  padding: 0.6rem 0.85rem;
  border-radius: 8px;
  max-width: 85%;
  word-wrap: break-word;
}

.chat-message--user {
  align-self: flex-end;
  background: var(--accent-dark);
}

.chat-message--assistant {
  align-self: flex-start;
  background: var(--bg);
  border: 1px solid var(--panel-border);
}

.chat-message--error {
  border-color: var(--error);
  color: var(--error);
}

.chat-message p,
.chat-message ul,
.chat-message ol,
.chat-message blockquote,
.chat-message table,
.chat-message h1,
.chat-message h2,
.chat-message h3,
.chat-message h4,
.chat-message h5,
.chat-message h6 {
  margin: 0.5rem 0;
}

.chat-message > :first-child {
  margin-top: 0;
}

.chat-message > :last-child {
  margin-bottom: 0;
}

.chat-message-footer {
  display: flex;
  justify-content: flex-end;
  margin-top: 0.5rem;
}

.chat-copy-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: 1px solid var(--panel-border);
  color: var(--text-muted);
  padding: 0.3rem;
  border-radius: 4px;
  cursor: pointer;
  margin: 0;
  line-height: 0;
}

.chat-copy-btn:hover:not(:disabled) {
  background: var(--panel-border);
  color: var(--text);
}

.chat-copy-btn:disabled {
  cursor: default;
  opacity: 0.8;
}

.chat-copy-btn--error {
  border-color: var(--error);
  color: var(--error);
}

.chat-message h1,
.chat-message h2,
.chat-message h3,
.chat-message h4,
.chat-message h5,
.chat-message h6 {
  line-height: 1.3;
}

.chat-message ul,
.chat-message ol {
  padding-left: 1.25rem;
}

.chat-message blockquote {
  border-left: 3px solid var(--panel-border);
  padding-left: 0.75rem;
  color: var(--text-muted);
}

.chat-message code {
  background: var(--panel);
  border-radius: 3px;
  padding: 0.1rem 0.3rem;
  font-size: 0.85em;
}

.chat-message pre {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 4px;
  padding: 0.5rem;
  overflow-x: auto;
}

.chat-message pre code {
  background: none;
  padding: 0;
}

.chat-message table {
  border-collapse: collapse;
  width: 100%;
  font-size: 0.9em;
}

.chat-message th,
.chat-message td {
  border: 1px solid var(--panel-border);
  padding: 0.35rem 0.5rem;
  text-align: left;
}

.chat-message th {
  background: var(--panel);
}

.chat-form {
  display: flex;
  gap: 0.5rem;
}

.chat-form input {
  flex: 1;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  color: var(--text);
  border-radius: 4px;
  padding: 0.6rem 0.75rem;
}