:root {
  --mini-hue: 250;
}

.chat-screen {
  display: flex;
  flex-direction: column;
  min-height: 100dvh;
  padding: var(--mini-space-4);
  padding-top: max(var(--mini-space-4), env(safe-area-inset-top));
  padding-bottom: max(var(--mini-space-4), env(safe-area-inset-bottom));
}

.chat-body {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  margin: 0 calc(-1 * var(--mini-space-4));
  padding: var(--mini-space-4);
}

.chat-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--mini-space-3);
}

.chat-bubble {
  max-width: min(100%, 640px);
  padding: var(--mini-space-3) var(--mini-space-4);
  border-radius: var(--mini-radius);
  line-height: var(--mini-leading-relaxed);
}

.chat-bubble.user {
  align-self: flex-end;
  background: var(--mini-accent);
  color: var(--mini-on-accent);
}

.chat-bubble.assistant {
  align-self: flex-start;
  background: var(--mini-surface);
  border: 1px solid var(--mini-border);
}

.bubble-body {
  white-space: pre-wrap;
  word-wrap: break-word;
}

.chat-bubble.assistant .bubble-body {
  white-space: normal;
}

.chat-bubble.assistant .bubble-body code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.9em;
  background: var(--mini-canvas);
  padding: 0.1em 0.3em;
  border-radius: var(--mini-radius);
}

.chat-bubble.assistant .bubble-body pre {
  margin: var(--mini-space-2) 0;
  padding: var(--mini-space-3);
  background: var(--mini-canvas);
  border: 1px solid var(--mini-border);
  border-radius: var(--mini-radius);
  overflow-x: auto;
}

.chat-bubble.assistant .bubble-body pre code {
  display: block;
  padding: 0;
  background: transparent;
  white-space: pre;
  word-wrap: normal;
}

.code-block {
  margin: var(--mini-space-2) 0;
  border: 1px solid var(--mini-border);
  border-radius: var(--mini-radius);
  overflow: hidden;
}

.code-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--mini-space-1) var(--mini-space-3);
  background: var(--mini-surface);
  border-bottom: 1px solid var(--mini-border);
  font-size: var(--mini-text-sm);
  color: var(--mini-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.copy-button {
  padding: var(--mini-space-1) var(--mini-space-2);
  min-height: 32px;
}

.chat-bubble .meta {
  font-size: var(--mini-text-sm);
  line-height: var(--mini-leading-tight);
  color: var(--mini-text-muted);
  margin-bottom: var(--mini-space-1);
  text-transform: capitalize;
}

.chat-bubble.user .meta {
  color: var(--mini-on-accent);
  opacity: 0.8;
}

.chat-empty {
  margin: auto;
  text-align: center;
  padding: var(--mini-space-8) 0;
  max-width: var(--mini-content-width);
}

.chat-dock {
  margin: 0 calc(-1 * var(--mini-space-4));
  padding: var(--mini-space-3) var(--mini-space-4);
  padding-bottom: max(var(--mini-space-3), env(safe-area-inset-bottom));
  border-top: 1px solid var(--mini-border);
  background: var(--mini-canvas);
}

.chat-form {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--mini-space-3);
  align-items: end;
}

.chat-field {
  display: block;
  margin: 0;
  min-width: 0;
}

.chat-field textarea {
  width: 100%;
  min-height: 48px;
  max-height: 120px;
  resize: none;
  box-sizing: border-box;
}

.send-button {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
}

.mini-sticky-header h1 {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.mini-sticky-header nav {
  display: flex;
  gap: var(--mini-space-3);
  flex-shrink: 0;
  align-items: center;
}

.mode-toggle {
  display: flex;
  gap: 0;
}

.mode-toggle .mode-button {
  border-radius: 0;
}

.mode-toggle .mode-button:first-child {
  border-top-left-radius: var(--mini-radius);
  border-bottom-left-radius: var(--mini-radius);
}

.mode-toggle .mode-button:last-child {
  border-top-right-radius: var(--mini-radius);
  border-bottom-right-radius: var(--mini-radius);
}

.mode-button[aria-pressed="true"] {
  background: var(--mini-accent);
  color: var(--mini-on-accent);
  border-color: var(--mini-accent);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

#model-select {
  width: 100%;
}