/* 诗意 · 独立页面 */
:root {
  --bg: #faf7f2; --card: #ffffff; --ink: #2c2a26; --ink2: #6b675f;
  --line: #e8e2d6; --accent: #b03a2e; --accent2: #1f618d;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink);
  font: 15px/1.7 "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif; }
header { background: var(--card); border-bottom: 1px solid var(--line); padding: 14px 22px 0; }
header h1 { margin: 0; font-size: 21px; letter-spacing: 2px; }
header .sub { color: var(--ink2); font-size: 12.5px; margin: 2px 0 8px; }
nav { display: flex; gap: 4px; flex-wrap: wrap; }
nav button { border: none; background: none; padding: 9px 16px; font-size: 15px;
  color: var(--ink2); cursor: pointer; border-bottom: 2.5px solid transparent; }
nav button.active { color: var(--accent); border-bottom-color: var(--accent); font-weight: 600; }
main { max-width: 1000px; margin: 0 auto; padding: 20px 22px 60px; }
section { display: none; }
section.active { display: block; }
.hint { color: var(--ink2); font-size: 12.5px; margin: 6px 0 12px; }
.controls { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin-bottom: 12px; }
input[type="search"], textarea {
  flex: 1; padding: 8px 12px; border: 1px solid var(--line); border-radius: 8px;
  background: #fff; color: var(--ink); font: inherit; outline: none; }
input:focus, textarea:focus { border-color: var(--accent2); }
button.primary { background: var(--accent); color: #fff; border: none; border-radius: 8px;
  padding: 8px 20px; font-size: 14px; cursor: pointer; }
button.primary:disabled { opacity: .6; cursor: default; }
button.primary:hover:not(:disabled) { filter: brightness(1.08); }
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 10px; margin-bottom: 14px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 10px;
  padding: 14px 16px; cursor: pointer; }
.card:hover { border-color: var(--accent); }
.card.on { border-color: var(--accent); box-shadow: 0 0 0 2px #b03a2e22; }
.card .n { font-size: 20px; font-weight: 700; color: var(--accent); }
.card .l { color: var(--ink2); font-size: 12.5px; }
.chips { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 12px; }
.chip { padding: 4px 12px; border: 1px solid var(--line); border-radius: 999px;
  background: #fff; cursor: pointer; font-size: 13px; color: var(--ink2); }
.chip:hover, .chip.on { border-color: var(--accent); color: var(--accent); }
.work { background: var(--card); border: 1px solid var(--line); border-radius: 10px;
  padding: 12px 16px; margin-bottom: 10px; cursor: pointer; }
.work:hover { border-color: var(--accent); }
.work .t { font-weight: 600; }
.work .m { color: var(--ink2); font-size: 13px; }
.work .x { font-family: "Songti SC", "STSong", serif; color: var(--ink2);
  font-size: 14px; margin-top: 4px; display: -webkit-box; -webkit-line-clamp: 2;
  -webkit-box-orient: vertical; overflow: hidden; }
.pager { display: flex; gap: 8px; align-items: center; margin: 14px 0; }
.pager button { padding: 5px 14px; border: 1px solid var(--line); background: #fff;
  border-radius: 7px; cursor: pointer; }
.pager button:disabled { opacity: .4; cursor: default; }
dialog { border: 1px solid var(--line); border-radius: 12px; max-width: 760px;
  width: calc(100% - 40px); max-height: 82vh; padding: 20px 24px; }
dialog::backdrop { background: rgba(40,36,30,.35); }
dialog h3 { margin: 0 0 2px; font-size: 18px; }
dialog .meta { color: var(--ink2); font-size: 13px; margin-bottom: 10px; }
dialog .full { font-family: "Songti SC", "STSong", serif; font-size: 16.5px; line-height: 2; }
dialog .close { position: sticky; top: 0; float: right; border: none; background: none;
  font-size: 20px; cursor: pointer; color: var(--ink2); }
.icat { margin-bottom: 14px; }
.icat h3 { font-size: 14.5px; margin: 0 0 6px; color: var(--ink2); }
.icat .chip .n { color: var(--accent); font-weight: 600; }
.ask-box { background: var(--card); border: 1px solid var(--line); border-radius: 12px;
  padding: 14px 16px; margin-bottom: 16px; }
.ask-box textarea { width: 100%; resize: vertical; margin-bottom: 10px; }
.answer { background: var(--card); border: 1px solid var(--line); border-left: 4px solid var(--accent);
  border-radius: 10px; padding: 14px 18px; margin-bottom: 14px; white-space: pre-wrap; }
.rec { background: var(--card); border: 1px solid var(--line); border-radius: 10px;
  padding: 12px 16px; margin-bottom: 10px; }
.rec .q { font-family: "Songti SC", "STSong", serif; font-size: 19px; color: var(--accent); }
.rec .m { color: var(--ink2); font-size: 13px; margin: 2px 0 6px; }
.rec a { color: var(--accent2); cursor: pointer; text-decoration: none; font-size: 13px; }
.mark { background: #f5e3c8; padding: 0 1px; border-radius: 2px; }
.method { color: var(--ink2); font-size: 12px; margin-bottom: 10px; }
.gear { float: right; border: 1px solid var(--line); background: #fff; border-radius: 7px;
  padding: 3px 10px; font-size: 12.5px; color: var(--ink2); cursor: pointer; }
.gear:hover { border-color: var(--accent); color: var(--accent); }
.group { background: var(--card); border: 1px solid var(--line); border-radius: 12px;
  padding: 12px 16px; margin-bottom: 14px; }
.group h3 { margin: 0 0 8px; font-size: 15px; }
.group h3 .hint { font-weight: normal; }
.badge { display: inline-block; min-width: 20px; text-align: center; background: #f3ece1;
  color: var(--ink2); border-radius: 999px; padding: 1px 8px; font-size: 12.5px; }
.group .work { margin-bottom: 8px; }
.group .work .x { -webkit-line-clamp: 3; }
dialog .close { float: right; border: none; background: none; font-size: 20px;
  cursor: pointer; color: var(--ink2); }
.set-row { display: flex; gap: 8px; align-items: center; margin: 10px 0; flex-wrap: wrap; }
.set-row label { width: 92px; color: var(--ink2); font-size: 13.5px; flex: none; }
.set-row input, .set-row select { flex: 1; min-width: 220px; padding: 6px 10px;
  border: 1px solid var(--line); border-radius: 7px; font-size: 13.5px; }
button.mini { border: 1px solid var(--line); background: #fff; border-radius: 7px;
  padding: 5px 12px; font-size: 13px; cursor: pointer; color: var(--ink2); }
button.mini:hover { border-color: var(--accent); color: var(--accent); }
.set-msg { font-size: 12.5px; color: var(--ink2); }
.set-row.actions { justify-content: flex-end; }
#settings-dlg code { background: #f3ece1; padding: 1px 5px; border-radius: 4px; font-size: 12px; }

/* 异文展开 */
.variant-toggle { color: var(--accent2); cursor: pointer; font-size: 12.5px;
  text-decoration: none; user-select: none; }
.variant-toggle:hover { text-decoration: underline; }
.variants-box { border-left: 3px solid var(--line); margin: 8px 0 4px; padding: 6px 0 2px 12px; }
.variant-item { margin-bottom: 10px; }
.variant-text { font-family: "Songti SC", "STSong", serif; font-size: 14px;
  color: var(--ink2); white-space: pre-wrap; margin-top: 2px; line-height: 1.8; }

/* AI 问答预设:可直接点击发送 + 换一批按钮 */
.chip-ask { cursor: pointer; }
.chip-refresh { border-style: dashed; cursor: pointer; font-family: inherit; }
.chip-refresh:hover { border-color: var(--accent2); color: var(--accent2); }
select:disabled, input:disabled { opacity: .75; background: #f7f4ee; }

/* 参考资料(公开来源留痕) */
details.sources { margin-top: 8px; }
details.sources summary { cursor: pointer; color: var(--ink2); font-size: 12.5px; }
details.sources a { display: block; font-size: 13px; color: var(--accent2);
  text-decoration: none; margin-top: 5px; word-break: break-all; }
details.sources a:hover { text-decoration: underline; }

/* 连续问答:每轮问题与分隔 */
.turn { margin-bottom: 22px; }
.turn-q { font-size: 15px; font-weight: 600; color: var(--ink);
  border-left: 3px solid var(--accent); padding: 2px 0 2px 10px; margin: 16px 0 10px; }
.turn-q::before { content: '问:'; color: var(--accent); margin-right: 2px; }
.error-text { color: var(--accent); }

/* 历史对话(IndexedDB 会话列表) */
#hist-dlg { max-width: 560px; }
.hist-item { position: relative; border: 1px solid var(--line); border-radius: 10px;
  padding: 10px 42px 10px 14px; margin-bottom: 8px; cursor: pointer; background: #fff; }
.hist-item:hover { border-color: var(--accent); }
.hist-item.on { border-color: var(--accent); box-shadow: 0 0 0 2px #b03a2e22; }
.hist-title { font-weight: 600; font-size: 14px; overflow: hidden;
  text-overflow: ellipsis; white-space: nowrap; }
.hist-meta { color: var(--ink2); font-size: 12.5px; margin-top: 2px; }
.hist-del { position: absolute; right: 8px; top: 50%; transform: translateY(-50%);
  border: none; background: none; color: var(--ink2); cursor: pointer;
  font-size: 14px; padding: 4px 6px; border-radius: 6px; }
.hist-del:hover { color: var(--accent); background: #f3ece1; }

/* ===== 016 多模态:语音输入 / 图像识别 / 朗读 ===== */
button.mini.mic { border-color: var(--accent2); color: var(--accent2); }
button.mini.mic.rec { background: var(--accent); border-color: var(--accent); color: #fff;
  animation: micPulse 1.1s ease-in-out infinite; }
@keyframes micPulse { 50% { opacity: .55; } }
.tts-btn { margin-left: 8px; vertical-align: middle; }
/* 逐句高亮:正在朗读的那一行 */
.full .tts-line { background: linear-gradient(transparent 62%, #f5e3c8 62%);
  border-radius: 2px; }
/* 朗读控制条(固定底部,不遮挡正文) */
.tts-bar { position: fixed; left: 50%; transform: translateX(-50%); bottom: 14px;
  display: flex; align-items: center; gap: 8px; max-width: min(920px, calc(100% - 28px));
  background: var(--card); border: 1px solid var(--line); border-radius: 12px;
  box-shadow: 0 6px 24px rgba(44, 42, 38, .18); padding: 8px 14px; z-index: 40; }
.tts-bar .tts-title { font-weight: 600; font-size: 13.5px; max-width: 240px; overflow: hidden;
  text-overflow: ellipsis; white-space: nowrap; }
.tts-bar .hint { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tts-bar .tts-speed { flex: none; padding: 4px 6px; border: 1px solid var(--line);
  border-radius: 7px; font-size: 12.5px; background: #fff; }

/* ===== 图标集(内联 sprite;全线不用 emoji)===== */
.sprite { display: none; }
.ic { width: 15px; height: 15px; flex: none; vertical-align: -2.5px; fill: none;
  stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
button .ic, .chip .ic, label.mini .ic { margin-right: 5px; }
button.mini, .chip-refresh, .gear { display: inline-flex; align-items: center; }
button.mini.playing { border-color: var(--accent); color: #fff; background: var(--accent); }
button.mini.playing .ic { stroke: none; fill: currentColor; }
.mini.switch { gap: 2px; cursor: pointer; user-select: none; }
.mini.switch input { margin: 0 2px 0 0; accent-color: var(--accent); }

/* 图片确认弹窗 */
.img-preview { display: block; width: 100%; max-height: 52vh; object-fit: contain;
  background: #f3ece1; border: 1px solid var(--line); border-radius: 10px; margin: 4px 0 12px; }
.chooser { position: fixed; inset: 0; background: rgba(40, 36, 30, .35); z-index: 50;
  display: flex; align-items: flex-end; justify-content: center; padding: 0 12px 22px; }
.chooser-box { background: var(--card); border: 1px solid var(--line); border-radius: 14px;
  padding: 10px; display: flex; flex-direction: column; gap: 8px; width: min(320px, 100%);
  box-shadow: 0 8px 30px rgba(44, 42, 38, .22); }
.chooser-box .mini { justify-content: center; padding: 11px 14px; font-size: 14.5px; }

/* ===== 移动端适配(手机:单列、大点击区、底部安全区)===== */
@media (max-width: 700px) {
  header { padding: 10px 14px 0; }
  header h1 { font-size: 19px; }
  header .sub { font-size: 12px; }
  main { padding: 14px 12px 96px; }
  input[type="search"], textarea, select, input[type="password"] { font-size: 16px; }  /* iOS 聚焦不缩放 */
  .cards { grid-template-columns: repeat(auto-fill, minmax(104px, 1fr)); gap: 8px; }
  .card { padding: 10px 12px; border-radius: 9px; }
  .card .n { font-size: 17px; }
  .card .l { font-size: 11.5px; }
  .controls { gap: 8px; }
  .controls button { min-height: 40px; }
  .chip { padding: 7px 12px; font-size: 13px; }
  .chip-refresh { padding: 8px 12px; }
  .work { padding: 11px 13px; }
  .work .x { -webkit-line-clamp: 3; }
  .ask-box { padding: 12px 13px; border-radius: 11px; }
  .answer, .rec, .group { padding: 12px 13px; }
  .rec .q { font-size: 17px; }
  dialog { width: calc(100% - 18px); max-width: none; max-height: 88vh; padding: 16px 15px; }
  dialog .full { font-size: 15.5px; line-height: 1.95; }
  .set-row label { width: 100%; }            /* 设置项在窄屏改为上下排 */
  .set-row input, .set-row select { min-width: 0; flex: 1 1 100%; }
  .hist-item { padding: 10px 40px 10px 12px; }
  .tts-bar { left: 8px; right: 8px; bottom: calc(8px + env(safe-area-inset-bottom));
    transform: none; max-width: none; padding: 8px 10px; gap: 6px; flex-wrap: wrap; }
  .tts-bar .tts-title { max-width: 42vw; }
  .tts-bar .hint { flex: 1 1 100%; order: 9; font-size: 12px; }
  .tts-bar button.mini { padding: 7px 10px; }
  .tts-speed { padding: 6px 8px; }
}