:root {
  color-scheme: dark;
  --bg: #0b0d10;
  --panel: #141821;
  --panel-2: #1c2330;
  --text: #f2f5f8;
  --muted: #9aa6b2;
  --line: #2c3442;
  --accent: #32d0c6;
  --accent-2: #f15bb5;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
}

.shell {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  grid-template-rows: auto 1fr auto;
  width: min(1280px, 100%);
  min-height: 100vh;
  margin: 0 auto;
  padding: 18px;
  gap: 14px;
}

.sidebar {
  grid-row: 1 / -1;
  display: grid;
  grid-template-rows: auto 1fr;
  min-height: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(20, 24, 33, 0.76);
  overflow: hidden;
}

.sidebarHead {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 12px;
  border-bottom: 1px solid var(--line);
}

.conversationList {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-height: 0;
  overflow: auto;
  padding: 10px;
}

.conversationItem {
  display: grid;
  gap: 4px;
  position: relative;
  width: 100%;
  min-height: 58px;
  padding: 9px 42px 9px 10px;
  text-align: left;
  justify-items: start;
  align-content: center;
  border-radius: 7px;
  border: 1px solid var(--line);
  background: var(--panel-2);
  color: var(--text);
  cursor: pointer;
}

.conversationItem strong,
.conversationItem small {
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.conversationItem strong {
  font-size: 14px;
}

.conversationItem small {
  color: var(--muted);
  font-size: 12px;
}

.conversationItem:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.conversationItem.is-empty {
  cursor: default;
  justify-items: center;
  padding-right: 10px;
}

.conversationItem.is-active {
  border-color: rgba(50, 208, 198, 0.7);
  background: rgba(50, 208, 198, 0.13);
}

.conversationDelete {
  position: absolute;
  top: 50%;
  right: 7px;
  width: 28px;
  min-width: 28px;
  min-height: 28px;
  height: 28px;
  padding: 0;
  transform: translateY(-50%);
  border-color: rgba(151, 164, 183, 0.35);
  color: var(--muted);
  font-size: 18px;
  line-height: 1;
}

.conversationDelete:hover,
.conversationDelete:focus-visible {
  border-color: rgba(234, 76, 148, 0.7);
  color: var(--text);
}

.topbar {
  grid-column: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 14px;
}

h1 {
  margin: 0;
  font-size: 28px;
  font-weight: 760;
}

p {
  margin: 4px 0 0;
  color: var(--muted);
}

.actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

button,
.download,
.navLink {
  min-height: 42px;
  border: 1px solid var(--line);
  background: var(--panel-2);
  color: var(--text);
  border-radius: 7px;
  padding: 0 14px;
  font: inherit;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

button[type="submit"] {
  background: var(--accent);
  color: #061112;
  border-color: var(--accent);
  font-weight: 720;
}

button:disabled {
  opacity: 0.5;
  cursor: wait;
}

.messages {
  grid-column: 2;
  overflow: auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 8px 0;
}

.message {
  width: min(760px, 100%);
  border: 1px solid var(--line);
  background: var(--panel);
  border-radius: 8px;
  padding: 12px 14px;
  line-height: 1.48;
  white-space: pre-wrap;
}

.messageImages,
.imagePreview {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.messageImages {
  margin-top: 10px;
}

.imagePreview img {
  display: block;
  width: 112px;
  height: 84px;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #050609;
}

.messageImages img {
  display: block;
  width: min(100%, 512px);
  height: auto;
  max-height: 70vh;
  object-fit: contain;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #050609;
}

.message.user {
  align-self: flex-end;
  border-color: rgba(50, 208, 198, 0.55);
}

.message.assistant {
  align-self: flex-start;
  border-color: rgba(241, 91, 181, 0.42);
}

.composer {
  grid-column: 2;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 10px;
  align-items: end;
  border-top: 1px solid var(--line);
  padding-top: 14px;
}

.inputStack {
  display: grid;
  gap: 8px;
}

.imagePreview:empty {
  display: none;
}

.previewItem {
  position: relative;
}

.previewItem button {
  position: absolute;
  top: 4px;
  right: 4px;
  min-width: 28px;
  min-height: 28px;
  width: 28px;
  height: 28px;
  padding: 0;
  border-color: rgba(242, 245, 248, 0.35);
  background: rgba(11, 13, 16, 0.82);
}

textarea {
  width: 100%;
  min-height: 48px;
  max-height: 180px;
  resize: vertical;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  background: var(--panel);
  color: var(--text);
  font: inherit;
}

input,
select {
  width: 100%;
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 8px 10px;
  background: var(--panel);
  color: var(--text);
  font: inherit;
}

.icon {
  width: 54px;
  padding: 0;
}

.settingsDialog {
  width: min(460px, calc(100vw - 28px));
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0;
  background: var(--panel);
  color: var(--text);
}

.settingsDialog::backdrop {
  background: rgba(0, 0, 0, 0.58);
}

.settingsDialog form {
  display: grid;
  gap: 12px;
  padding: 14px;
}

.settingsDialog label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 13px;
}

.settingsHead,
.settingsActions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.settingsHead strong {
  color: var(--text);
  font-size: 16px;
}

#settingsCloseButton {
  width: 34px;
  min-width: 34px;
  min-height: 34px;
  height: 34px;
  padding: 0;
}

#settingsSaveButton {
  margin-left: auto;
}

#promptAdminButton {
  margin-right: auto;
}

.promptAdminDialog {
  width: min(900px, calc(100vw - 28px));
}

.settingsHint {
  margin: 0;
  font-size: 12px;
  overflow-wrap: anywhere;
}

#promptAdminText {
  min-height: 48vh;
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Consolas, "Liberation Mono", monospace;
  font-size: 13px;
  line-height: 1.42;
  white-space: pre;
}

@media (max-width: 640px) {
  .shell {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto 1fr auto;
    padding: 12px;
  }

  .sidebar {
    grid-row: auto;
    max-height: 190px;
  }

  .topbar,
  .messages,
  .composer {
    grid-column: 1;
  }

  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .actions {
    width: 100%;
  }

  .actions > * {
    flex: 1;
  }

  .composer {
    grid-template-columns: auto 1fr;
  }

  .composer button[type="submit"] {
    grid-column: 1 / -1;
  }
}