:root {
  color-scheme: dark;
  font-family:
    Inter,
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  background: #111413;
  color: #eef2ef;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-width: 320px;
  background: #111413;
}

.shell {
  min-height: 100vh;
}

.header {
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  border-bottom: 1px solid #29302c;
  background: #151a18;
}

.brand {
  color: #f2f6f3;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
}

.read-only {
  color: #9aa69e;
  font-size: 12px;
  border: 1px solid #3b4740;
  border-radius: 4px;
  padding: 3px 7px;
}

.conversation {
  width: min(860px, 100%);
  margin: 0 auto;
  padding: 38px 24px 72px;
}

.conversation-meta {
  border-bottom: 1px solid #29302c;
  padding-bottom: 22px;
  margin-bottom: 26px;
}
.conversation-meta h1 {
  margin: 0;
  font-size: 19px;
  font-weight: 500;
  letter-spacing: 0;
}
.conversation-meta p {
  margin: 7px 0 0;
  color: #8f9b93;
  font-size: 13px;
}

.entry {
  margin: 0 0 22px;
  scroll-margin-top: 84px;
}
.message {
  display: flex;
}
.message.user {
  justify-content: flex-end;
}
.bubble {
  width: fit-content;
  max-width: min(680px, 88%);
}
.user .bubble {
  padding: 11px 14px;
  border-radius: 7px;
  background: #26302b;
}
.assistant .bubble {
  max-width: 100%;
  padding: 4px 0;
}

.entry-meta {
  display: flex;
  align-items: center;
  gap: 6px;
  color: #7e8982;
  font-size: 11px;
  margin-bottom: 7px;
}
.user .entry-meta {
  text-align: right;
  justify-content: flex-end;
}
.anchor-button {
  width: 18px;
  height: 18px;
  padding: 0;
  border: 0;
  border-radius: 3px;
  color: #9aa69e;
  background: transparent;
  cursor: pointer;
  font:
    600 13px/18px ui-monospace,
    SFMono-Regular,
    Menlo,
    monospace;
}
.anchor-button::before {
  content: "#";
}
.anchor-button:hover,
.anchor-button:focus-visible,
.anchor-button.copied {
  color: #e9f2eb;
  background: #39483f;
  outline: none;
}
.anchor-button.copied::before {
  content: "✓";
}
.entry.is-anchor-target .bubble {
  animation: anchor-focus 2.4s ease-out;
}
@keyframes anchor-focus {
  0% {
    box-shadow: 0 0 0 0 #8aaf96;
  }
  20% {
    box-shadow: 0 0 0 4px #8aaf9666;
  }
  100% {
    box-shadow: 0 0 0 0 #8aaf9600;
  }
}
.markdown {
  color: #edf2ee;
  font-size: 14px;
  line-height: 1.65;
  overflow-wrap: anywhere;
}
.markdown p {
  margin: 0 0 12px;
  white-space: pre-wrap;
}
.markdown p:last-child {
  margin-bottom: 0;
}
.markdown h2,
.markdown h3 {
  margin: 18px 0 8px;
  font-size: 16px;
  font-weight: 600;
}
.markdown ul,
.markdown ol {
  margin: 0 0 12px;
  padding-left: 22px;
}
.markdown li {
  margin: 4px 0;
}
.markdown code {
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 12px;
}
.markdown pre {
  margin: 12px 0;
  padding: 13px;
  overflow-x: auto;
  background: #0c0f0e;
  border: 1px solid #29302c;
  border-radius: 5px;
}
.markdown pre code {
  white-space: pre;
}

.record {
  border-left: 2px solid #3c5145;
  padding: 8px 0 8px 12px;
  color: #abb6af;
  font-size: 13px;
}
.record.error {
  border-color: #9d5b59;
}
.record-heading {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #c7d0ca;
}
.status {
  font-size: 11px;
  color: #8f9b93;
  text-transform: capitalize;
}
.record details {
  margin-top: 9px;
}
.record summary {
  cursor: pointer;
  color: #aebbb3;
}
.record pre {
  margin: 8px 0 0;
  padding: 10px;
  overflow-x: auto;
  background: #0c0f0e;
  border: 1px solid #29302c;
  border-radius: 4px;
  color: #cbd5ce;
  font:
    12px/1.5 "SFMono-Regular",
    Consolas,
    monospace;
}
.todo-list {
  list-style: none;
  padding: 0;
  margin: 8px 0 0;
}
.todo-list li {
  margin: 6px 0;
}
.todo-list li::before {
  content: "□";
  margin-right: 8px;
  color: #9aa69e;
}
.todo-list li.done {
  color: #78847c;
  text-decoration: line-through;
}
.todo-list li.done::before {
  content: "✓";
  color: #83b58f;
}

.empty-state,
.error-state {
  color: #8f9b93;
  padding: 72px 0;
  text-align: center;
  font-size: 14px;
}
.error-state {
  color: #db938f;
}

@media (max-width: 640px) {
  .header {
    padding: 0 16px;
  }
  .conversation {
    padding: 26px 16px 48px;
  }
  .bubble {
    max-width: 94%;
  }
}