/* 「今天看过」：与收藏页同一套纸面/侧栏壳子，列表改成按天分组的单列行 */
:root{--history-blue:#567ace;--history-ink:#26324a;--history-paper:#f8f7f1;--history-line:rgba(86,122,206,.15)}
*{box-sizing:border-box}
body{margin:0;background:#eceef2;color:var(--history-ink);font-family:"Segoe UI","Microsoft YaHei","Noto Sans CJK SC","Source Han Sans SC",Roboto,sans-serif}
.history-app{width:min(1440px,calc(100% - 48px));height:calc(100vh - 48px);margin:24px auto;display:grid;grid-template-columns:178px minmax(0,1fr);overflow:hidden;border:1px solid rgba(255,255,255,.75);border-radius:28px;background:var(--history-paper);box-shadow:0 24px 70px rgba(27,39,64,.15)}
.archive-main{position:relative;min-width:0;overflow-y:auto;padding:44px clamp(28px,5vw,72px) 64px;background:radial-gradient(circle at 85% 7%,rgba(166,189,239,.2),transparent 24%),linear-gradient(rgba(255,255,255,.46),rgba(248,247,241,.86)),repeating-linear-gradient(0deg,transparent 0 31px,rgba(86,122,206,.035) 31px 32px)}
.archive-hero{position:relative;z-index:1;display:flex;align-items:flex-end;justify-content:space-between;gap:30px;padding-bottom:28px;border-bottom:1px solid var(--history-line)}
.archive-hero small{color:var(--history-blue);font-size:10px;font-weight:700;letter-spacing:.28em}
.archive-hero h1{margin:8px 0 7px;font:500 clamp(38px,5vw,68px)/1.05 Georgia,"Noto Serif SC","Noto Serif CJK SC","Source Han Serif SC","Songti SC",serif;letter-spacing:-.05em}
.archive-hero h1 em{color:var(--history-blue);font-style:italic}
.archive-hero p{margin:0;color:#7d8799;font-size:12px}
.archive-total{text-align:right}
.archive-total strong{display:block;color:var(--history-blue);font:500 44px/1 Georgia,"Noto Serif SC","Noto Serif CJK SC","Source Han Serif SC","Songti SC",serif}
.archive-total span{color:#9ba4b4;font-size:8px;letter-spacing:.19em}
.history-scope{position:relative;z-index:1;margin:18px 0 0;padding:13px 16px;border:1px solid rgba(86,122,206,.18);border-radius:14px;background:rgba(255,255,255,.66);color:#6c788d;font-size:11.5px;line-height:1.75}
.history-scope a{color:#4568b7}
.history-list{position:relative;z-index:1;margin-top:20px;display:grid;gap:24px}
.history-day{display:grid;gap:10px}
.history-day-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;padding:0 4px}
.history-day-head h2{margin:0;color:#33405a;font:600 15px/1.3 Georgia,"Noto Serif SC","Noto Serif CJK SC","Source Han Serif SC","Songti SC",serif}
.history-day-head span{color:#9ba4b4;font-size:10px;letter-spacing:.08em}
.history-rows{display:grid;gap:9px;margin:0;padding:0;list-style:none}
.history-row{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:12px;padding:11px 14px;border:1px solid var(--history-line);border-radius:17px;background:rgba(255,255,255,.9);box-shadow:0 8px 20px rgba(38,50,74,.05);transition:box-shadow .2s ease,transform .2s ease}
.history-row:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(38,50,74,.1)}
.history-link{min-width:0;display:grid;grid-template-columns:64px minmax(0,1fr);align-items:center;gap:14px;color:inherit;text-decoration:none}
.history-thumb{width:64px;height:64px;display:grid;place-items:center;overflow:hidden;border-radius:13px;background:rgba(86,122,206,.08);color:#7f8dab;font-size:10px}
.history-thumb img{width:100%;height:100%;object-fit:cover}
.history-body{min-width:0;display:grid;gap:5px}
.history-body h3{margin:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:#2c3850;font-size:13.5px;font-weight:600}
.history-meta{display:flex;flex-wrap:wrap;gap:8px;color:#919bab;font-size:10.5px}
.history-meta b{color:#6c84bd;font-weight:600}
.history-fav{height:32px;padding:0 13px;border:1px solid rgba(86,122,206,.3);border-radius:999px;background:#fff;color:#5a6f96;font-size:11px;cursor:pointer;white-space:nowrap;transition:.18s ease}
.history-fav:hover{border-color:rgba(86,122,206,.55);color:#3f5f9f}
.history-fav.is-on{border-color:rgba(86,122,206,.5);background:rgba(86,122,206,.09);color:#3f5f9f}
.history-fav[disabled]{opacity:.55;cursor:default}
.archive-empty,.archive-loading{grid-column:1/-1;min-height:300px;display:grid;place-items:center;text-align:center;color:#8b95a8;font-size:13px;line-height:1.8}
.archive-empty span{display:block;margin-bottom:12px;color:#7896d7;font:italic 34px Georgia,"Noto Serif SC","Noto Serif CJK SC","Source Han Serif SC","Songti SC",serif}
.archive-error{color:#a05d68}
/* 对话记录：与浏览记录同一套纸面卡片，单列按天分组 */
.chat-history{position:relative;z-index:1;margin-top:36px;padding-top:26px;border-top:1px solid var(--history-line);display:grid;gap:14px}
.chat-history-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px}
.chat-history-head small{color:var(--history-blue);font-size:9px;font-weight:700;letter-spacing:.26em}
.chat-history-head h2{margin:6px 0 0;color:#33405a;font:600 20px/1.2 Georgia,"Noto Serif SC","Noto Serif CJK SC","Source Han Serif SC","Songti SC",serif}
.chat-history-head .history-scope{flex:0 1 56%;margin:0;padding:10px 13px;font-size:10.5px;line-height:1.7}
#chatTurns{display:grid;gap:22px}
.chat-day{display:grid;gap:9px}
.chat-day .history-day-head h3{margin:0;color:#33405a;font:600 14px/1.3 Georgia,"Noto Serif SC","Noto Serif CJK SC","Source Han Serif SC","Songti SC",serif}
.chat-turn{display:grid;gap:9px;padding:13px 15px;border:1px solid var(--history-line);border-radius:17px;background:rgba(255,255,255,.9);box-shadow:0 8px 20px rgba(38,50,74,.05)}
.chat-q{display:flex;align-items:flex-start;gap:9px}
.chat-q p{flex:1;min-width:0;margin:0;color:#2c3850;font-size:13.5px;font-weight:600;line-height:1.55}
.chat-q time{color:#9ba4b4;font-size:10px;white-space:nowrap;padding-top:3px}
.chat-badge{flex:none;width:20px;height:20px;display:grid;place-items:center;border-radius:7px;background:rgba(86,122,206,.12);color:#4568b7;font-size:10px;font-weight:700}
.chat-answers summary{display:inline-flex;align-items:center;gap:6px;color:#5a6f96;font-size:11px;cursor:pointer;list-style:none}
.chat-answers summary::-webkit-details-marker{display:none}
.chat-answers summary::before{content:"▸";color:#8fa6d6;font-size:9px;transition:transform .18s ease}
.chat-answers[open] summary::before{transform:rotate(90deg)}
.chat-answers ul{display:grid;gap:4px;margin:8px 0 0;padding-left:18px}
.chat-answers a,.chat-answers span{color:#4568b7;font-size:11.5px;text-decoration:none}
.chat-answers a:hover{text-decoration:underline}
.chat-click{margin:0;padding:8px 11px;border-radius:11px;background:rgba(86,122,206,.07);color:#3f5f9f;font-size:12px}
.chat-click a{color:inherit;font-weight:600;text-decoration:none}
.chat-click a:hover{text-decoration:underline}
.chat-times{margin-left:5px;color:#8b95a8;font-size:10.5px}
.chat-older>summary{margin-top:4px;color:#6c84bd;font-size:11.5px;cursor:pointer;list-style:none}
.chat-older>summary::-webkit-details-marker{display:none}
.chat-older>summary::before{content:"▸ ";color:#8fa6d6}
.chat-older[open]>summary::before{content:"▾ "}
.chat-older[open]>summary{margin-bottom:14px}
@media(max-width:820px){
  .chat-history{margin-top:26px;padding-top:20px}
  .chat-history-head{display:block}
  .chat-history-head .history-scope{display:none}
  .chat-turn{padding:11px 12px}
  .chat-q p{font-size:13px}
  .chat-click{font-size:11.5px}
}
@media(max-width:980px){.history-app{grid-template-columns:82px minmax(0,1fr)}.archive-main{padding-inline:30px}}
@media(max-width:820px){
  body{background:var(--history-paper)}
  .history-app{width:100%;height:100dvh;margin:0;display:block;border:0;border-radius:0;box-shadow:none}
  .history-app>.rail{position:sticky;top:0;height:56px}
  .archive-main{height:calc(100dvh - 56px);padding:24px 15px 44px}
  .archive-hero{align-items:flex-start}
  .archive-hero h1{font-size:38px}
  .archive-total strong{font-size:32px}
  .archive-total span{display:none}
  .history-list{margin-top:16px;gap:18px}
  .history-row{padding:10px 12px}
  .history-link{grid-template-columns:54px minmax(0,1fr);gap:12px}
  .history-thumb{width:54px;height:54px;border-radius:11px}
  .history-body h3{font-size:13px}
  .history-fav{height:30px;padding:0 11px;font-size:10.5px}
}