/* 提示词助手：输入框里的 ✨、面板（版本、继续优化、按板块细调、3 个版本、收藏、进度层）、图 / 视频下面的「改进提示词」 */

/* 输入框里的按钮：电脑上「✨ 帮我写」橙色描边小胶囊；手机上只有图标，和 📎 一样大 */
.assist-btn {
  display: inline-flex; align-items: center; gap: 4px; height: 32px; padding: 0 10px 0 8px; border-radius: 99px; flex-shrink: 0;
  border: 1px solid color-mix(in srgb, var(--accent) 35%, var(--border)); background: transparent; color: var(--accent);
  font-size: 13px; font-weight: 600; cursor: pointer; transition: background .15s, border-color .15s;
}
.assist-btn svg { width: 16px; height: 16px; }
.assist-btn:hover { background: var(--accent-soft); border-color: var(--accent); }
.assist-btn.hot { background: var(--accent-soft); border-color: color-mix(in srgb, var(--accent) 55%, var(--border)); } /* 选了画图 / 视频：淡淡的底色 */
@media (max-width: 820px) {
  .assist-btn { width: 36px; height: 36px; padding: 0; justify-content: center; border: 0; }
  .assist-btn span { display: none; }
  .assist-btn svg { width: 19px; height: 19px; }
  .assist-btn.hot { border: 0; }
}

/* 面板 */
.pa { display: grid; gap: 12px; }
.pa-top { display: flex; align-items: center; gap: 10px; font-size: 13px; color: var(--muted); min-width: 0; }
.pa-from { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pa-from b { color: var(--text); font-weight: 600; }
.pa-quota { flex-shrink: 0; font-size: 12px; padding: 2px 8px; border-radius: 99px; background: var(--hover); }
.pa-quota:empty { display: none; }
.pa-main { position: relative; display: grid; gap: 14px; min-height: 160px; }
.pa-card { display: grid; gap: 8px; }
.pa-card-h { display: flex; align-items: baseline; gap: 8px; }
.pa-card-h b { font-size: 14px; }
.pa-card-h .hint { font-size: 12px; }
.pa-text { min-height: 130px; max-height: 40vh; resize: vertical; line-height: 1.7; font-size: 15px; }
.pa-note { font-size: 12px; color: var(--faint); overflow: hidden; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.pa-group { display: grid; gap: 8px; padding-top: 12px; border-top: 1px solid var(--border); }
.pa-gt { font-size: 13px; font-weight: 600; color: var(--muted); }
.pa-acts { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; }
.pa-act {
  display: flex; align-items: center; justify-content: center; gap: 5px; height: 36px; padding: 0 6px; border-radius: 10px; cursor: pointer;
  border: 1px solid var(--border); background: var(--panel); color: var(--text); font-size: 13px; white-space: nowrap; transition: border-color .15s, background .15s;
}
.pa-act span { font-size: 14px; }
.pa-act:hover:not(:disabled) { border-color: var(--accent); background: var(--accent-soft); }
.pa-act:disabled, .pa .mchip:disabled { opacity: .5; cursor: default; }
.pa-act.loading, .btn.loading { opacity: 1 !important; color: var(--accent); border-color: var(--accent); }
.pa-act.loading span { display: inline-block; animation: spin 1s linear infinite; }
.pa-ask { display: flex; gap: 8px; }
.pa-ask .input { flex: 1; min-width: 0; }
/* 「按板块细调」：收起时是一张能点的小卡片（图标 + 标题 + 有哪些板块 + 箭头），让人一眼看出还有这个功能 */
.pa-tune { border: 1px solid color-mix(in srgb, var(--accent) 28%, var(--border)); border-radius: 12px; background: color-mix(in srgb, var(--accent-soft) 55%, transparent); }
.pa-tune > summary { display: flex; align-items: center; gap: 10px; padding: 10px 12px; cursor: pointer; list-style: none; border-radius: 12px; }
.pa-tune > summary::-webkit-details-marker { display: none; }
.pa-tune > summary:hover { background: var(--accent-soft); }
.pa-tune-ico { flex-shrink: 0; width: 30px; height: 30px; border-radius: 9px; display: grid; place-items: center; font-size: 15px; background: var(--panel); border: 1px solid var(--border); }
.pa-tune-t { flex: 1; min-width: 0; }
.pa-tune-t b { display: block; font-size: 14px; color: var(--text); }
.pa-tune-t small { display: block; margin-top: 1px; font-size: 12px; color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pa-tune-arr { flex-shrink: 0; font-size: 20px; line-height: 1; color: var(--accent); transition: transform .2s; }
.pa-tune[open] .pa-tune-arr { transform: rotate(90deg); }
.pa-tune[open] > summary { border-bottom: 1px dashed var(--border); border-radius: 12px 12px 0 0; }
.pa-tune > .pa-secs, .pa-tune > .pa-apply { margin-left: 12px; margin-right: 12px; }
.pa-tune > .pa-apply { margin-bottom: 12px; }
.pa-tune > .pa-secs:last-child { margin-bottom: 12px; }
.pa-secs { display: grid; gap: 8px; margin-top: 10px; }
.pa-sec { display: grid; grid-template-columns: 64px 1fr; gap: 8px; align-items: start; }
.pa-sn { font-size: 12.5px; font-weight: 600; color: var(--muted); padding-top: 5px; }
.pa-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.pa-apply { display: flex; gap: 8px; margin-top: 10px; }
.pa-orig { white-space: pre-wrap; font-size: 13px; color: var(--muted); padding: 8px 10px; border-radius: 8px; background: var(--hover); }
.pa-foot { flex: 1; display: flex; align-items: center; gap: 10px; }
.pa-foot-l { display: flex; align-items: center; gap: 6px; }
.pa-foot-r { margin-left: auto; display: flex; gap: 8px; }
.pa-foot-r .btn { min-width: 96px; justify-content: center; }
.pa-ver { display: flex; align-items: center; gap: 2px; font-size: 13px; color: var(--muted); }
.pa-ver .icon-btn { font-size: 18px; width: 30px; height: 30px; }
.pa-star { width: 32px; height: 32px; border-radius: 99px; border: 1px solid var(--border); background: transparent; font-size: 16px; color: var(--accent); cursor: pointer; }
.pa-star:hover { background: var(--accent-soft); }
.pa-vars { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.pa-var { display: grid; gap: 6px; align-content: start; padding: 12px; border: 1px solid var(--border); border-radius: 12px; background: var(--panel); }
.pa-var p { margin: 0; font-size: 13px; line-height: 1.6; color: var(--muted); }
.pa-var .btn { justify-self: start; }
.pa-favs { display: grid; gap: 10px; }
.pa-fav-items { display: grid; gap: 8px; max-height: 50vh; overflow-y: auto; }
.pa-fav { display: grid; gap: 6px; padding: 10px 12px; border: 1px solid var(--border); border-radius: 10px; }
.pa-fav p { margin: 0; font-size: 13px; line-height: 1.6; }

/* 进度层：盖在内容上（半透明 + 模糊），流动的进度条 + 步骤说明 + 秒数 */
.pa-prog { position: absolute; inset: -4px; z-index: 5; display: grid; place-items: center; border-radius: 12px;
  background: color-mix(in srgb, var(--panel) 72%, transparent); -webkit-backdrop-filter: blur(3px); backdrop-filter: blur(3px); animation: fade .2s; }
.pa-prog-in { display: grid; grid-template-columns: auto 1fr; gap: 10px 12px; align-items: center; width: min(360px, 88%);
  padding: 16px 18px; border-radius: 14px; background: var(--panel); border: 1px solid var(--border); box-shadow: var(--shadow); }
.pa-prog-ico { position: relative; width: 36px; height: 36px; border-radius: 50%; display: grid; place-items: center; background: var(--accent-soft); color: var(--accent); }
.pa-prog-txt { display: grid; gap: 2px; min-width: 0; }
.pa-prog-txt b { font-size: 14px; }
.pa-prog-txt small { font-size: 12px; color: var(--faint); }
.pa-bar { grid-column: 1 / -1; height: 4px; border-radius: 99px; background: var(--hover); overflow: hidden; }
.pa-bar i { display: block; width: 40%; height: 100%; border-radius: inherit; background: linear-gradient(90deg, #ff7a2f, #ff4f81, #8b5cf6); animation: pa-slide 1.3s ease-in-out infinite; }
@keyframes pa-slide { 0% { transform: translateX(-110%); } 100% { transform: translateX(260%); } }
@media (prefers-reduced-motion: reduce) { .pa-bar i { animation: none; width: 100%; opacity: .6; } }

@media (max-width: 820px) {
  .pa-acts { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .pa-vars { grid-template-columns: minmax(0, 1fr); }
  .pa-sec { grid-template-columns: minmax(0, 1fr); gap: 4px; }
  .pa-sn { padding-top: 0; }
  .pa-text { min-height: 150px; }
  .pa-foot { flex-wrap: wrap; gap: 8px; }
  .pa-foot-l { width: 100%; justify-content: space-between; }
  .pa-foot-r { width: 100%; margin-left: 0; }
  .pa-foot-r .btn { flex: 1; min-width: 0; height: 44px; border-radius: 12px; font-size: 15px; }
  .pa-foot-r .btn.primary { flex: 1.4; }
}

/* 生成的图 / 视频下面 */
.msg .actions .fix-btn { height: 30px; gap: 4px; padding: 0 10px; border-radius: 99px; font-size: 12.5px; color: var(--accent); border-color: color-mix(in srgb, var(--accent) 35%, var(--border)); background: var(--accent-soft); }
.msg .actions .fix-btn svg { width: 14px; height: 14px; }

/* 输入框空着点 ✨：按钮上方的小卡片（带小箭头），里面几个能直接点的例子 */
.assist-tip {
  position: fixed; z-index: 60; width: min(320px, calc(100vw - 24px)); padding: 14px 14px 12px; border-radius: 16px;
  background: color-mix(in srgb, var(--panel) 94%, transparent); border: 1px solid var(--border);
  -webkit-backdrop-filter: blur(18px) saturate(1.5); backdrop-filter: blur(18px) saturate(1.5);
  box-shadow: 0 18px 44px -12px rgba(0, 0, 0, 0.3), 0 2px 8px rgba(0, 0, 0, 0.06);
  opacity: 0; transform: translateY(8px) scale(.97); transform-origin: var(--ax, 30px) 100%; transition: opacity .18s, transform .22s cubic-bezier(.2, .8, .2, 1);
}
.assist-tip.show { opacity: 1; transform: none; }
.assist-tip::after {
  content: ""; position: absolute; bottom: -7px; left: calc(var(--ax, 30px) - 7px); width: 14px; height: 14px; transform: rotate(45deg);
  background: inherit; border-right: 1px solid var(--border); border-bottom: 1px solid var(--border); border-bottom-right-radius: 3px;
}
.at-h { display: flex; gap: 10px; align-items: flex-start; }
.at-ico { flex-shrink: 0; width: 30px; height: 30px; border-radius: 10px; display: grid; place-items: center; font-size: 15px;
  background: linear-gradient(135deg, color-mix(in srgb, #ff7a2f 18%, transparent), color-mix(in srgb, #8b5cf6 18%, transparent)); }
.at-h b { display: block; font-size: 14px; }
.at-h small { display: block; margin-top: 2px; font-size: 12px; color: var(--muted); line-height: 1.5; }
.at-ex { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; }
.at-ex button {
  border: 1px solid var(--border); background: var(--bg); color: var(--text); border-radius: 99px; padding: 5px 11px; font-size: 13px; cursor: pointer;
  transition: border-color .15s, color .15s, background .15s;
}
.at-ex button:hover, .at-ex button:active { border-color: var(--accent); color: var(--accent); background: var(--accent-soft); }
.pa-len { font-size: 12px; color: var(--accent); background: var(--accent-soft); padding: 1px 8px; border-radius: 99px; }