.app-shell{height:100dvh;min-height:0;overflow:hidden}
.chat-identity{display:flex;align-items:center;justify-content:center}
.chat-main{flex:1;min-height:0;overflow-y:auto;padding:16px 14px 12px;display:flex;flex-direction:column;gap:17px;scroll-behavior:smooth}.message{width:100%;display:flex;align-items:flex-start;gap:8px}.message.user{justify-content:flex-end}.message-content{width:fit-content;max-width:calc(100% - 52px);min-width:0;display:flex;flex-direction:column;align-items:flex-start}.message.user .message-content{align-items:flex-end}.bubble{max-width:100%;white-space:pre-wrap;word-break:break-word}.message.user .bubble{padding:10px 14px;border-radius:14px 14px 3px 14px;background:var(--indigo);color:#f3f0e8;font-size:15px;line-height:1.6}.message.assistant .bubble{min-width:54px;min-height:54px;padding:13px 15px 11px;border:1px solid var(--rule);border-radius:3px 14px 14px 14px;background:repeating-linear-gradient(90deg,transparent 0 27px,rgba(158,59,44,.1) 27px 28px),#fbf6ea;font-family:var(--font-wen);font-size:16.5px;line-height:1.95;letter-spacing:.03em}.message-tools{display:flex;gap:7px;margin-top:7px}.message.user .message-tools{justify-content:flex-end}.tool-chip{min-height:29px;padding:4px 11px;border:1px solid var(--rule);border-radius:16px;background:rgba(255,255,255,.45);color:var(--indigo);font-size:11px}.baihua{max-width:100%;margin-top:8px;padding:9px 11px;border-left:3px solid var(--indigo);border-radius:0 7px 7px 0;background:rgba(64,85,107,.06);font-family:var(--font-ui);font-size:13px;line-height:1.7;color:#3e4650}.typing-caret{display:inline-block;width:2px;height:1em;vertical-align:-2px;background:var(--ink)}
.message-avatar{position:relative;width:44px;height:44px;display:grid;place-items:center;flex:0 0 44px;margin-top:2px;border-radius:50%}.message-avatar img{position:absolute;inset:2px;width:40px;height:40px;display:block;border:1px solid rgba(158,59,44,.25);border-radius:50%;object-fit:cover;background:var(--paper-deep)}.message-avatar-fallback{width:40px;height:40px;display:grid;place-items:center;border-radius:50%;font-family:var(--font-wen);font-size:13px;line-height:1;text-align:center}.persona-message-avatar{padding:0;transition:transform .16s ease,box-shadow .16s ease}.persona-message-avatar .message-avatar-fallback{background:var(--paper-deep);color:var(--cinnabar);box-shadow:inset 0 0 0 1px var(--rule)}.persona-message-avatar:hover{box-shadow:0 0 0 3px rgba(158,59,44,.1)}.persona-message-avatar:active{transform:scale(.94)}.user-message-avatar .message-avatar-fallback{background:var(--indigo);color:#f7f1e5;box-shadow:inset 0 0 0 1px rgba(255,255,255,.2)}
.chat-main>.quota-warning{align-self:stretch;width:calc(100% - 52px);margin:-10px 0 0 52px}
.persona-profile-backdrop{z-index:45}.persona-profile-dialog{position:relative;width:min(100%,344px);max-height:88dvh;overflow:auto;padding:27px 24px 25px;border:1px solid rgba(158,59,44,.2);border-radius:20px;background:radial-gradient(circle at 50% 0,rgba(255,255,255,.78),transparent 38%),var(--paper);box-shadow:0 24px 64px rgba(38,31,22,.34);text-align:center}.persona-profile-close{position:absolute;top:10px;right:10px;width:40px;height:40px;border-radius:50%;color:var(--ink-soft);font-size:25px}.persona-profile-portrait{position:relative;width:92px;height:92px;margin:2px auto 13px;padding:5px;border:1px solid rgba(158,59,44,.35);border-radius:50%;background:rgba(253,250,242,.8);box-shadow:0 0 0 5px rgba(216,203,178,.24)}.persona-profile-portrait img{position:absolute;inset:5px;width:80px;height:80px;border-radius:50%;object-fit:cover}.persona-profile-fallback{width:80px;height:80px;display:grid;place-items:center;border-radius:50%;background:var(--paper-deep);color:var(--cinnabar);font-family:var(--font-wen);font-size:28px}.persona-profile-kicker{margin:0;color:var(--cinnabar);font-size:10px;letter-spacing:.28em}.persona-profile-dialog h2{margin:7px 0 5px;font-family:var(--font-wen);font-size:23px;letter-spacing:.08em}.persona-profile-courtesy{margin:0;color:var(--ink-soft);font-family:var(--font-wen);font-size:14px;line-height:1.65}.persona-profile-facts{margin:19px 0 0;text-align:left}.persona-profile-facts>div{padding:13px 0;border-top:1px solid var(--rule)}.persona-profile-facts>div:last-child{padding-bottom:0}.persona-profile-facts dt{margin-bottom:5px;color:var(--cinnabar);font-size:10px;font-weight:700;letter-spacing:.18em}.persona-profile-facts dd{margin:0;color:var(--ink);font-size:13px;line-height:1.75}.persona-profile-facts>div:first-child dd{font-family:var(--font-wen);font-size:15px;letter-spacing:.06em}
.quick-prompts{display:flex;gap:8px;padding:6px 14px;overflow-x:auto;scrollbar-width:none}.quick-prompts button{flex:0 0 auto;padding:6px 13px;border:1px solid var(--indigo);border-radius:20px;background:rgba(255,255,255,.5);color:var(--indigo);font-family:var(--font-wen);font-size:12px}
.quick-prompts button:disabled{cursor:not-allowed;opacity:.38}.chat-composer{display:flex;gap:8px;padding:9px 14px calc(12px + env(safe-area-inset-bottom));border-top:1px solid var(--rule);background:rgba(245,239,226,.96)}.chat-composer input{flex:1;min-width:0;padding:10px 15px;border:1px solid var(--rule);border-radius:22px;background:var(--paper-light)}.chat-composer[data-quota-locked]{background:rgba(216,203,178,.38)}.chat-composer input:disabled{cursor:not-allowed;border-color:rgba(107,98,87,.28);background:rgba(216,203,178,.48);color:var(--ink-soft)}.chat-composer input:disabled::placeholder{color:var(--ink-soft);opacity:.78}.chat-composer button{width:44px;height:44px;flex:0 0 44px;border-radius:50%;background:var(--cinnabar);color:#fff7e9;font-family:var(--font-wen);font-size:13px}.chat-composer button:disabled{cursor:not-allowed;opacity:.38}
.history-dialog{height:min(84dvh,720px);display:flex;flex-direction:column;padding:0}.dialog-head{display:flex;align-items:center;justify-content:space-between;padding:14px 17px;border-bottom:1px solid var(--rule)}.dialog-head h2{margin:0;font-size:19px}.dialog-head button{width:34px;height:34px;font-size:23px}.history-controls{display:flex;gap:8px;padding:11px 14px;border-bottom:1px solid var(--rule)}.history-controls input{flex:1;min-width:0;padding:9px 12px;border:1px solid var(--rule);border-radius:19px;background:var(--paper-light)}.history-controls button{padding:0 15px;border-radius:19px;background:var(--cinnabar);color:white}.history-list{flex:1;overflow-y:auto;padding:0 14px 12px}.history-item{width:100%;padding:13px 2px;border-bottom:1px solid var(--rule);text-align:left}.history-item strong{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-family:var(--font-wen);font-size:15px}.history-item small{display:block;margin-top:5px;color:var(--ink-soft);font-size:10px}.empty-state{padding:24px 8px;text-align:center;color:var(--ink-soft);font-size:12px;line-height:1.7}
.share-backdrop{align-items:center;padding:18px 16px calc(18px + env(safe-area-inset-bottom));overflow:hidden}
.share-wrap{width:100%;max-width:420px;max-height:100%;display:flex;flex-direction:column;align-items:center;gap:9px}
.share-preview-stage{width:100%;position:relative;display:flex;justify-content:center;align-items:center}
.share-page-frame{width:min(84vw,340px,calc((100dvh - 180px) * .625));aspect-ratio:5/8;position:relative;flex:0 0 auto;border-radius:4px;box-shadow:0 12px 32px rgba(0,0,0,.38);overflow:hidden;touch-action:pan-y;background:#f8f2e3}
.share-page-frame.wechat-save-ready{box-shadow:0 0 0 3px rgba(248,242,227,.92),0 12px 32px rgba(0,0,0,.38)}
.share-card{width:250px;height:400px;flex:0 0 auto;background:radial-gradient(ellipse 100% 40% at 80% 0%,rgba(255,255,255,.5),transparent),#f8f2e3;border:1px solid #c9bc9c;border-radius:4px;position:relative;padding:26px 22px;display:flex;justify-content:flex-end}
.share-card[hidden]{display:none}
.share-text{writing-mode:vertical-rl;font-family:var(--font-wen);font-size:19px;line-height:2.1;letter-spacing:.12em;height:100%;color:var(--ink);overflow:hidden}
.share-qr{position:absolute;left:18px;bottom:18px;width:42px;height:42px;display:block;object-fit:contain;background:#fff}
.share-export-preview{display:block;width:100%;height:100%;object-fit:contain;border-radius:4px;user-select:none;-webkit-user-select:none;-webkit-touch-callout:default;animation:share-page-in .18s ease-out}
.share-export-preview[hidden]{display:none}
@keyframes share-page-in{from{opacity:.55;transform:translateX(var(--share-page-shift,0))}to{opacity:1;transform:none}}
@media(prefers-reduced-motion:reduce){.share-export-preview{animation:none}}
.share-preview-loading{position:absolute;inset:0;display:grid;place-items:center;border:1px solid #c9bc9c;border-radius:4px;background:radial-gradient(ellipse 100% 40% at 80% 0%,rgba(255,255,255,.5),transparent),#f8f2e3;color:var(--ink-soft);font-family:var(--font-wen);font-size:14px;letter-spacing:.12em}
.share-preview-loading[hidden]{display:none}
.share-page-arrow{position:absolute;top:50%;z-index:2;width:36px;height:36px;margin-top:-18px;border:1px solid rgba(201,188,156,.9);border-radius:50%;display:grid;place-items:center;background:rgba(248,242,227,.94);color:var(--cinnabar);font-family:serif;font-size:26px;line-height:1;box-shadow:0 3px 10px rgba(0,0,0,.18);transition:opacity .16s ease,transform .16s ease}
.share-page-arrow:active:not(:disabled){transform:scale(.92)}
.share-page-arrow:disabled{opacity:.25;cursor:default}
.share-page-arrow.is-hidden{visibility:hidden;pointer-events:none}
.share-page-prev{left:2px}
.share-page-next{right:2px}
.share-page-meta{min-height:18px;color:#f8f2e3;font-size:12px;line-height:18px;text-align:center;text-shadow:0 1px 2px rgba(0,0,0,.35)}
.share-page-meta[hidden]{visibility:hidden}
.share-save-hint{max-width:340px;margin:0;color:#f8f2e3;font-size:12px;line-height:1.55;text-align:center;text-shadow:0 1px 2px rgba(0,0,0,.35)}
.share-save-hint[hidden]{display:none}
.share-buttons{display:flex;gap:10px}
.share-save-button,.share-close-button{border-radius:20px;padding:9px 18px;font-size:13px}
.share-save-button{background:var(--cinnabar);color:#f5efe2}
.share-save-button:disabled{cursor:wait;opacity:.65}
.share-close-button{background:rgba(245,239,226,.9);color:var(--ink)}
@media(prefers-reduced-motion:no-preference){.persona-profile-dialog{animation:persona-profile-in .18s ease-out}@keyframes persona-profile-in{from{opacity:0;transform:translateY(10px) scale(.98)}}}
@media(max-width:374px){.chat-main{padding-left:11px;padding-right:11px}.message{gap:6px}.message-content{max-width:calc(100% - 50px)}.chat-main>.quota-warning{width:calc(100% - 50px);margin-left:50px}.persona-profile-dialog{padding-left:20px;padding-right:20px}}