:root {
  font-family: system-ui;
  color: #202124;
  background: #fff;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  display: flex;
  height: 100dvh;
}
aside {
  width: 260px;
  background: #f7f7f7;
  padding: 18px;
  overflow: auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
a {
  color: inherit;
  text-decoration: none;
}
button,
input,
textarea {
  font: inherit;
}
button {
  border: 1px solid #ddd;
  border-radius: 9px;
  background: white;
  padding: 8px 12px;
  cursor: pointer;
}
button:disabled {
  opacity: 0.5;
  cursor: wait;
}
input,
textarea {
  border: 1px solid #ddd;
  border-radius: 9px;
  padding: 8px;
  min-width: 0;
}
#project-form {
  display: flex;
  gap: 4px;
}
#project-name {
  width: 100%;
}
nav button {
  display: block;
  width: 100%;
  text-align: left;
  margin: 4px 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
nav details {
  margin: 8px 0;
}
details label {
  display: block;
  margin: 10px 0;
}
main {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  padding: 20px;
}
#messages {
  flex: 1;
  overflow: auto;
  width: 100%;
  max-width: 850px;
  margin: auto;
}
.message {
  margin: 18px 0;
  padding: 14px;
  border-radius: 15px;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}
.user {
  background: #f3f3f3;
  margin-left: 15%;
}
.assistant {
  line-height: 1.6;
}
.message h3 {
  font-size: 14px;
  margin: 0 0 8px;
}
.message pre {
  overflow: auto;
  background: #f7f7f7;
  padding: 12px;
}
.message details {
  font-size: 13px;
  color: #666;
}
#composer {
  display: flex;
  gap: 8px;
  width: 100%;
  max-width: 850px;
  margin: auto;
}
textarea {
  flex: 1;
  resize: vertical;
}
#status,
.note {
  text-align: center;
  color: #666;
  font-size: 13px;
}
#providers label {
  display: block;
}
@media (max-width: 650px) {
  aside {
    width: 155px;
    padding: 8px;
  }
  main {
    padding: 10px;
  }
}
dialog {
  border: 1px solid #ddd;
  border-radius: 14px;
  max-width: 650px;
  width: 90vw;
  max-height: 85vh;
}
dialog::backdrop {
  background: #0006;
}
dialog label {
  display: block;
  margin: 8px 0;
}
dialog textarea {
  width: 100%;
}
#memory-list article {
  padding: 10px;
  border-bottom: 1px solid #ddd;
}
#memory-list p {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}