/* 测试台页：对话区与底部输入框。对话区不加卡片底色，让输入框成为焦点。 */

.pg-page { gap: 12px; }
@media (min-width: 768px) { .pg-page { gap: 16px; } }

.pg-chat { height: calc(100dvh - 430px); min-height: 320px; overflow-y: auto; padding: 4px 4px 8px; }
.pg-chat-inner {
  width: 100%; max-width: 800px; margin: 0 auto;
  display: flex; flex-direction: column; gap: 14px;
}

.pg-msg { display: flex; align-items: flex-start; gap: 10px; }
.pg-msg.user { flex-direction: row-reverse; }
.pg-avatar {
  width: 24px; height: 24px; border-radius: 9999px; background: var(--muted); flex-shrink: 0;
  display: grid; place-items: center; color: var(--muted-foreground); margin-top: 2px;
}
.pg-avatar svg.lucide { width: 14px; height: 14px; }
.pg-bubble {
  min-width: 0; max-width: min(78%, 640px); border-radius: 16px; background: var(--muted);
  padding: 10px 12px; font-size: 13px; line-height: 1.6;
}
.pg-msg.user .pg-bubble { background: var(--primary); color: var(--primary-foreground); }
.pg-text { white-space: pre-wrap; word-break: break-word; }

.pg-waiting { display: flex; align-items: center; gap: 6px; font-size: 12px; color: var(--muted-foreground); }
.pg-error {
  display: flex; align-items: flex-start; gap: 6px; margin-top: 6px; padding: 6px 8px;
  border-radius: 12px; font-size: 12px; line-height: 1.5;
  background: color-mix(in srgb, var(--danger) 10%, transparent); color: var(--danger);
}
.pg-usage {
  display: flex; align-items: center; gap: 4px; margin-top: 6px;
  font-size: 11px; color: var(--muted-foreground); font-variant-numeric: tabular-nums;
}
.pg-usage svg.lucide { width: 12px; height: 12px; }
.pg-msg.user .pg-usage { color: color-mix(in oklab, var(--primary-foreground) 72%, transparent); }

.pg-reasoning {
  margin-bottom: 8px; padding: 6px 8px; border-radius: 12px;
  background: color-mix(in oklab, var(--background) 60%, transparent); font-size: 12px;
}
.pg-reasoning summary { cursor: pointer; color: var(--muted-foreground); }
.pg-reasoning-body {
  margin-top: 6px; max-height: 240px; overflow: auto;
  white-space: pre-wrap; word-break: break-word; color: var(--muted-foreground);
}

.pg-footnotes { display: flex; flex-direction: column; gap: 6px; max-width: 540px; margin: 0 auto; font-size: 11px; color: var(--muted-foreground); }
.pg-footnotes > div { display: flex; align-items: flex-start; gap: 6px; }
.pg-footnotes svg.lucide { width: 13px; height: 13px; margin-top: 3px; flex-shrink: 0; }

.pg-composer {
  display: flex; flex-direction: column; gap: 8px; padding: 10px 12px;
  border: 1px solid color-mix(in oklab, var(--border) 60%, transparent); border-radius: 24px;
  background: var(--background); box-shadow: var(--shadow-sm);
}
.pg-composer-fields { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 10px; }
.pg-field { display: flex; flex-direction: column; gap: 4px; min-width: 180px; }
.pg-field .select, .pg-field .input { background: color-mix(in oklab, var(--muted) 55%, transparent); }
html.dark .pg-field .select, html.dark .pg-field .input { background: rgba(255, 255, 255, .04); }
.pg-credit {
  display: inline-flex; align-items: center; align-self: center; gap: 5px; margin-left: auto;
  padding: 4px 10px; border-radius: 9999px; background: var(--muted);
  font-size: 11px; font-variant-numeric: tabular-nums; color: var(--muted-foreground);
}
.pg-credit svg.lucide { width: 13px; height: 13px; }
.pg-composer-main { display: flex; align-items: flex-end; gap: 8px; }
.pg-input { flex: 1; min-height: 28px; max-height: 132px; border-radius: 18px; resize: none; }
.pg-send { height: 36px; border-radius: 9999px; }

@media (max-width: 767px) {
  .pg-chat { height: auto; min-height: 42vh; }
  .pg-bubble { max-width: 84%; }
  .pg-credit { margin-left: 0; }
}