:root {
  color-scheme: light dark;
  --bg: #f7f8fa;
  --panel: #ffffff;
  --text: #17191c;
  --muted: #667085;
  --line: #d9dee7;
  --accent: #0f766e;
  --accent-text: #ffffff;
  --code: #eef2f6;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111315;
    --panel: #1b1f23;
    --text: #f4f6f8;
    --muted: #a2abb8;
    --line: #303741;
    --accent: #2dd4bf;
    --accent-text: #06201d;
    --code: #252b31;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.5 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.shell {
  width: min(760px, 100%);
  margin: 0 auto;
  padding: 10px 10px 40px;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: 24px;
  line-height: 1.15;
}

h2 {
  margin: 22px 0 10px;
  font-size: 16px;
}

.status,
.meta {
  color: var(--muted);
  font-size: 13px;
}

.status {
  min-width: 0;
  overflow: hidden;
  text-align: center;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.composer,
.answer,
.empty {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.composer {
  padding: 10px;
}

textarea {
  width: 100%;
  min-height: 132px;
  resize: vertical;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  background: transparent;
  color: var(--text);
  font: inherit;
}

textarea:focus {
  border-color: var(--accent);
  outline: 2px solid color-mix(in srgb, var(--accent) 22%, transparent);
}

.actions {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) auto;
  align-items: center;
  gap: 8px;
  margin-top: 10px;
}

.button-row {
  display: flex;
  gap: 8px;
}

button {
  min-height: 42px;
  border: 0;
  border-radius: 8px;
  padding: 0 16px;
  background: var(--accent);
  color: var(--accent-text);
  font: 700 15px/1 system-ui, sans-serif;
}

button:disabled {
  cursor: wait;
  opacity: 0.62;
}

.icon-button,
.cancel-icon-button,
.send-icon-button {
  display: inline-grid;
  place-items: center;
  width: 44px;
  min-width: 44px;
  padding: 0;
  background: var(--panel);
  color: var(--text);
  border: 1px solid var(--line);
}

.cancel-icon-button {
  background: var(--panel);
  color: #b42318;
  border-color: color-mix(in srgb, #b42318 30%, var(--line));
}

.send-icon-button {
  background: var(--accent);
  color: var(--accent-text);
  border-color: var(--accent);
}

.icon-button svg,
.cancel-icon-button svg,
.send-icon-button svg {
  width: 15px;
  height: 15px;
  fill: currentColor;
}

.hidden-file {
  display: none;
}

.attachments {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
}

.attachment-chip {
  min-height: 32px;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  padding: 0 10px;
  background: var(--code);
  color: var(--text);
  border: 1px solid var(--line);
  font-size: 13px;
  font-weight: 600;
}

.feed {
  display: grid;
  gap: 12px;
}

.answer,
.empty {
  padding: 12px;
}

.prompt {
  margin: 8px 0 12px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 8px 0;
}

.uploaded {
  margin-top: 8px;
  color: var(--muted);
  font-size: 13px;
  overflow-wrap: anywhere;
}

summary {
  color: var(--muted);
  cursor: pointer;
  font-size: 14px;
}

pre,
code {
  border-radius: 6px;
  background: var(--code);
}

pre {
  overflow-x: auto;
  padding: 10px;
  white-space: pre-wrap;
}

code {
  padding: 2px 5px;
}

.markdown {
  overflow-wrap: anywhere;
}

.markdown p,
.markdown ul,
.markdown ol,
.markdown pre,
.markdown blockquote {
  margin: 0 0 12px;
}

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

.markdown a {
  color: var(--accent);
  font-weight: 650;
}

.markdown blockquote {
  border-left: 3px solid var(--line);
  padding-left: 10px;
  color: var(--muted);
}