/*
 * chat-bot.html specific styles. Loaded after example-page.css.
 */

.chat-shell {
  max-width: 1100px;
  margin: 0 auto;
  padding: 24px 24px 24px;
  height: 100vh;
  height: 100dvh;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.chat-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}


.chat-meta .pill code {
  font-family: var(--ex-mono);
  font-size: 12px;
  font-weight: 500;
  color: var(--ex-text-muted);
}

.chat-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  font-size: 12.5px;
  color: var(--ex-text-muted);
}

.chat-meta .pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--ex-surface);
  border: 1px solid var(--ex-border);
  padding: 5px 10px;
  border-radius: 999px;
  font-weight: 600;
  color: var(--ex-text);
  position: relative;
}

/* Style the raw select elements to blend seamlessly into the pills */
.chat-meta .pill select {
  font-family: var(--ex-mono, monospace);
  font-size: 12px;
  font-weight: 500;
  color: var(--ex-text-muted);
  background: transparent;
  border: none;
  outline: none;
  cursor: pointer;
  appearance: none;
  padding-right: 16px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2364748b'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right center;
  background-size: 12px;
  max-width: 200px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.chat-meta .pill select:hover,
.chat-meta .pill select:focus {
  color: var(--ex-text);
}

/* Fix dropdown option colors depending on system dark/light mode */
.chat-meta .pill select option {
  color: #000; 
  font-family: var(--ex-mono, monospace);
}

/* Enable-JavaScript toggle pill */
.chat-meta .toggle-pill {
  cursor: pointer;
  user-select: none;
  color: var(--ex-text-muted);
  font-size: 12px;
}
.chat-meta .toggle-pill input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  width: 28px;
  height: 16px;
  border-radius: 999px;
  background: var(--ex-border);
  position: relative;
  cursor: pointer;
  transition: background-color 0.15s ease;
  flex-shrink: 0;
}
.chat-meta .toggle-pill input[type="checkbox"]::after {
  content: "";
  position: absolute;
  top: 2px;
  left: 2px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #fff;
  transition: transform 0.15s ease;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.12);
}
.chat-meta .toggle-pill input[type="checkbox"]:checked {
  background: var(--ex-accent, #2563eb);
}
.chat-meta .toggle-pill input[type="checkbox"]:checked::after {
  transform: translateX(12px);
}
.chat-meta .toggle-pill:hover {
  color: var(--ex-text);
}

.chat-stage {
  flex: 1;
  display: flex;
  flex-direction: column;
  background: var(--ex-surface);
  border: 1px solid var(--ex-border);
  border-radius: var(--ex-radius-lg);
  box-shadow: var(--ex-shadow);
  overflow: hidden;
  min-height: 0;
}

.chat-history {
  flex: 1;
  overflow-y: auto;
  padding: 22px 22px 8px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.chat-history:empty::before {
  content: "Send a message to get started — the assistant always responds with a UI.";
  display: block;
  color: var(--ex-text-muted);
  font-size: 13px;
  text-align: center;
  padding: 60px 20px;
}

.chat-msg {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.chat-msg .role {
  font-size: 11.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ex-text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
}

.chat-msg.user {
  align-self: flex-end;
  max-width: 80%;
}

.chat-msg.user .role { color: var(--ex-primary-hover); }

.chat-msg.user .bubble {
  background: var(--ex-gradient);
  color: #ffffff;
  padding: 10px 14px;
  border-radius: 14px 14px 4px 14px;
  font-size: 14px;
  white-space: pre-wrap;
  word-break: break-word;
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.25);
}

.chat-msg.assistant {
  align-self: stretch;
}

.chat-msg.assistant streaming-ui-script {
  display: block;
}

.chat-msg.assistant .raw-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11.5px;
  color: var(--ex-text-muted);
  background: transparent;
  border: 1px solid var(--ex-border);
  border-radius: 999px;
  padding: 3px 10px;
  cursor: pointer;
  margin-top: 8px;
  font-family: inherit;
}

.chat-msg.assistant .raw-toggle:hover { color: var(--ex-text); border-color: var(--ex-border-strong); }

.chat-msg.assistant .raw {
  margin-top: 8px;
  background: linear-gradient(180deg, #0b1020 0%, #0f172a 100%);
  color: #e2e8f0;
  font-family: var(--ex-mono);
  font-size: 12.5px;
  line-height: 1.6;
  border-radius: 10px;
  padding: 12px 14px;
  white-space: pre-wrap;
  word-break: break-word;
  display: none;
}

.chat-msg.assistant.show-raw .raw { display: block; }

.chat-msg.assistant .typing {
  font-size: 12px;
  color: var(--ex-text-muted);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.chat-msg.assistant .typing .blink {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ex-primary);
  animation: chat-blink 1s infinite ease-in-out;
}

.chat-msg.assistant .err {
  color: #b91c1c;
  background: rgba(220, 38, 38, 0.06);
  border: 1px solid rgba(220, 38, 38, 0.18);
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 13px;
}

@keyframes chat-blink {
  0%, 80%, 100% { opacity: 0.2; }
  40% { opacity: 1; }
}

.chat-composer {
  border-top: 1px solid var(--ex-border);
  padding: 14px 16px;
  padding-bottom: max(14px, env(safe-area-inset-bottom));
  background: var(--ex-surface);
  display: flex;
  align-items: flex-end;
  gap: 10px;
}

.chat-composer textarea {
  flex: 1 1 0;
  width: 100%;
  min-width: 0;
  resize: none;
  border: 1px solid var(--ex-border);
  border-radius: 12px;
  padding: 10px 12px;
  font: inherit;
  font-size: 16px;
  min-height: 42px;
  max-height: 160px;
  line-height: 1.4;
  background: var(--ex-surface-soft);
  color: var(--ex-text);
  transition: border-color 150ms ease, box-shadow 150ms ease;
}

.chat-composer textarea:focus {
  outline: none;
  border-color: var(--ex-primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.18);
  background: var(--ex-surface);
}

.chat-composer .btn {
  flex-shrink: 0;
}

/* Setup card */

.setup-screen {
  max-width: 520px;
  margin: 60px auto;
  padding: 0 20px;
}

.setup-card {
  background: var(--ex-surface);
  border: 1px solid var(--ex-border);
  border-radius: var(--ex-radius-lg);
  padding: 30px 32px;
  box-shadow: var(--ex-shadow-lg);
  position: relative;
  overflow: hidden;
}

.setup-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 4px;
  background: var(--ex-gradient);
}

.setup-card h1 {
  margin: 0 0 6px;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.setup-card .lede {
  margin: 0 0 20px;
  color: var(--ex-text-muted);
  font-size: 13.5px;
}

.setup-card form { display: flex; flex-direction: column; gap: 14px; }

.setup-card .actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 6px;
}

.setup-card .privacy {
  font-size: 11.5px;
  color: var(--ex-text-muted);
  background: var(--ex-gradient-soft);
  border-radius: 10px;
  padding: 10px 12px;
}

.setup-card .err {
  color: #b91c1c;
  font-size: 12.5px;
  background: rgba(220, 38, 38, 0.06);
  border: 1px solid rgba(220, 38, 38, 0.18);
  border-radius: 10px;
  padding: 8px 10px;
}

.hidden { display: none !important; }

/* Responsive — tighten the layout for phones and small tablets so the
   chat bot stays usable on narrow viewports. */
@media (max-width: 720px) {
  .chat-shell {
    padding: 12px 12px 0;
    gap: 10px;
    height: 100dvh;
  }
  .chat-topbar { gap: 8px; }
  .chat-meta .pill { padding: 4px 8px; font-size: 11.5px; }
  .chat-history { padding: 14px 14px 6px; gap: 14px; }
  .chat-history:empty::before { padding: 36px 12px; }
  .chat-msg.user { max-width: 92%; }
  .chat-msg .role { font-size: 11px; }
  .chat-msg.assistant .bubble { padding: 12px; border-radius: 12px; }
  .chat-msg.assistant .raw { font-size: 12px; padding: 10px 12px; }
  .chat-composer { padding: 10px 12px; gap: 8px; }
  .chat-composer textarea { font-size: 16px; min-height: 40px; }
  .chat-composer .btn { padding: 8px 14px; }
  .setup-screen { margin: 24px auto; padding: 0 14px; }
  .setup-card { padding: 22px 20px; border-radius: var(--ex-radius); }
  .setup-card h1 { font-size: 20px; }
  .setup-card .actions { flex-direction: column-reverse; align-items: stretch; }
  .setup-card .actions .btn { width: 100%; }
  .setup-card .actions .example-back { text-align: center; }
}

@media (max-width: 480px) {
  .chat-shell { padding: 8px 6px 0; }
  .chat-composer { padding: 6px 8px; gap: 6px; }
  .chat-composer .btn {
    padding: 9px 10px;
    min-width: 0;
    width: 44px;
    height: 44px;
    font-size: 0;
    background: var(--ex-gradient);
    color: transparent;
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }
  .chat-composer .btn::before {
    content: "↑";
    font-size: 18px;
    color: #fff;
    line-height: 1;
  }
}