:root{color:#18332a;font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:#f3ebdf;font-family:IBM Plex Sans,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;font-weight:400;line-height:1.5}*{box-sizing:border-box}html,body,#root{min-height:100vh}body{margin:0}button,input,textarea{font:inherit}a{color:inherit}.page-shell{color:#13251f;background:radial-gradient(circle at 0 0,#0b6f5f29,#0000 28%),radial-gradient(circle at 100% 100%,#f5aa4c2e,#0000 24%),linear-gradient(#f7f5ef 0%,#efe7d8 100%);min-height:100vh}.app-layout{grid-template-columns:320px minmax(0,1fr);gap:18px;min-height:100vh;padding:18px;display:grid}.sidebar,.chat-stage,.login-card{-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);background:#fffbf3c7;border:1px solid #13251f14;box-shadow:0 24px 80px #2c342c1f}.sidebar{border-radius:28px;flex-direction:column;gap:18px;padding:20px;display:flex}.sidebar-head{justify-content:space-between;gap:12px;display:flex}.sidebar-head h2,.chat-stage-head h3{margin:10px 0 4px;font-size:1.2rem}.sidebar-head p,.chat-stage-subtle,.thread-card span,.composer-hint,.login-card p,.login-notice{color:#5d6c66}.empty-badge{color:#1f3b31;background:#13251f12;border-radius:999px;align-items:center;gap:8px;padding:6px 12px;font-size:.82rem;font-weight:600;display:inline-flex}.ghost-button,.icon-button,.attachment-remove,.thread-card{background:0 0;border:0}.ghost-button,.icon-button{color:#214137;cursor:pointer;border-radius:999px;justify-content:center;align-items:center;width:40px;height:40px;transition:background .16s,transform .16s;display:inline-flex}.ghost-button:hover,.icon-button:hover{background:#13251f14;transform:translateY(-1px)}.primary-button,.send-button{color:#fffdf8;cursor:pointer;background:linear-gradient(135deg,#0f6e61 0%,#1b584b 100%);border:0;border-radius:16px;font-weight:600;transition:transform .16s,box-shadow .16s}.primary-button:hover,.send-button:hover{transform:translateY(-1px);box-shadow:0 12px 24px #0f6e6133}.new-thread,.send-button{justify-content:center;align-items:center;gap:8px;padding:12px 16px;display:inline-flex}.thread-list{flex-direction:column;gap:10px;display:flex;overflow:auto}.thread-card{text-align:left;cursor:pointer;background:#ffffff80;border-radius:18px;padding:14px;transition:background .16s,transform .16s}.thread-card.active,.thread-card:hover{background:#13251f14;transform:translateY(-1px)}.thread-card strong{color:#18332a;margin-bottom:6px;display:block}.chat-stage{border-radius:34px;flex-direction:column;padding:18px 18px 18px 0;display:flex}.chat-stage-head{justify-content:space-between;align-items:flex-end;gap:18px;padding:6px 24px 18px;display:flex}.chat-stage-label{text-transform:uppercase;letter-spacing:.08em;color:#789188;font-size:.82rem;display:inline-block}.chat-stage-body{flex:1;min-height:0;padding-left:18px}.thread-shell,.thread-viewport{height:100%}.thread-viewport{flex-direction:column;gap:20px;padding:0 12px 24px 6px;display:flex}.message-row{gap:14px;display:flex}.message-row.user{justify-content:flex-end}.message-row.live{align-items:center}.assistant-avatar{color:#fff;background:linear-gradient(135deg,#0f6e61 0%,#f3c06a 100%);border-radius:16px;justify-content:center;align-items:center;width:36px;height:36px;margin-top:4px;font-size:.8rem;font-weight:700;display:flex}.message-bubble{border-radius:26px;max-width:min(1120px,96%);padding:18px 20px;box-shadow:0 10px 30px #2c342c14}.message-bubble.user{max-width:min(880px,92%);color:#f9fff8;background:linear-gradient(135deg,#1d5f52 0%,#0d8574 100%);border-bottom-right-radius:10px}.message-bubble.assistant{background:#ffffffe0;border-bottom-left-radius:10px}.live-status{color:#214137;background:#ffffffd6;border:1px solid #13251f14;border-radius:999px;align-items:center;gap:12px;padding:12px 16px;font-weight:600;display:inline-flex;box-shadow:0 10px 30px #2c342c0f}.live-dots{gap:6px;display:inline-flex}.live-dots i{opacity:.22;background:#0f6e61;border-radius:999px;width:7px;height:7px;animation:1.2s ease-in-out infinite livePulse}.live-dots i:nth-child(2){animation-delay:.2s}.live-dots i:nth-child(3){animation-delay:.4s}@keyframes livePulse{0%,80%,to{opacity:.22;transform:translateY(0)}40%{opacity:1;transform:translateY(-2px)}}.message-text.user{white-space:pre-wrap;line-height:1.7}.markdown-answer{color:#18332a;white-space:pre-wrap;line-height:1.72}.markdown-answer :where(p,ul,ol){margin:0 0 12px}.markdown-answer :where(h1,h2,h3,h4){margin-top:0}.markdown-answer table{border-collapse:collapse;width:100%;margin:12px 0}.markdown-answer th,.markdown-answer td{text-align:left;border:1px solid #13251f1f;padding:10px 12px}.markdown-answer th{background:#13251f0f}.markdown-answer pre{color:#f9faf8;background:#17352c;border-radius:16px;padding:16px;overflow:auto}.attachment-stack{flex-direction:column;gap:10px;margin-top:14px;display:flex}.attachment-stack.compact{margin-top:10px}.attachment-card{color:inherit;background:#0d6e6114;border-radius:18px;flex-direction:column;gap:8px;padding:12px;text-decoration:none;display:flex}.attachment-card.image img{object-fit:cover;border-radius:14px;width:min(280px,100%)}.attachment-card audio{width:min(320px,100%)}.source-list{flex-wrap:wrap;gap:10px;margin-top:14px;display:flex}.source-pill{color:#17352c;background:#13251f14;border-radius:999px;align-items:center;gap:8px;padding:8px 12px;font-size:.9rem;text-decoration:none;display:inline-flex}.thread-footer{background:0 0;margin-top:auto;padding-top:0;position:sticky;bottom:0}.composer-panel{padding:0}.composer-root{background:#ffffffeb;border:1px solid #13251f14;border-radius:28px;padding:14px;box-shadow:0 18px 42px #2c342c14}.composer-toolbar,.composer-actions{justify-content:space-between;align-items:center;gap:12px;display:flex}.composer-toolbar{margin-bottom:12px}.composer-input{resize:none;color:#18332a;width:100%;min-height:84px;font:inherit;background:0 0;border:0;outline:0}.composer-attachment{background:#13251f0f;border-radius:18px;justify-content:space-between;align-items:center;gap:12px;margin-top:12px;padding:10px 12px;display:flex}.composer-attachment-meta{flex-direction:column;gap:4px;display:flex}.composer-attachment-name{color:#18332a;font-weight:600}.composer-attachment-type{color:#5d6c66;font-size:.84rem}.attachment-remove{color:#a33f3f;cursor:pointer}.composer-hint{align-items:center;gap:8px;font-size:.9rem;display:inline-flex}.composer-error,.global-error{color:#7d1f1f;background:#b334341f;border-radius:18px;padding:12px 16px}.composer-error{margin-top:12px}.empty-state{flex-direction:column;align-items:flex-start;gap:18px;width:100%;max-width:none;padding:28px 12px 0;display:flex}.empty-state h1{white-space:nowrap;max-width:none;margin:0;font-size:clamp(1.9rem,3.3vw,2.6rem);line-height:1.05}.empty-state p{color:#54625d;max-width:60ch;margin:0;line-height:1.7}.starter-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;width:100%;display:grid}.starter-card{text-align:left;color:#18332a;cursor:pointer;background:#ffffffc7;border:0;border-radius:22px;flex-direction:column;justify-content:space-between;gap:10px;min-height:138px;padding:16px;display:flex}.starter-card span{color:#5d6c66;line-height:1.6}.login-shell,.loading-shell{place-items:center;min-height:100vh;padding:24px;display:grid}.login-card{border-radius:34px;width:min(700px,100%);padding:28px}.login-card h1{white-space:nowrap;margin:20px 0 8px;font-size:clamp(1.55rem,3vw,2.2rem);line-height:1.08}.login-form{gap:16px;margin-top:24px;display:grid}.login-form label{gap:8px;display:grid}.login-form span{color:#2e453e;font-weight:600}.login-form input{font:inherit;background:#fffc;border:1px solid #13251f1a;border-radius:16px;padding:14px 16px}.login-notice{margin-top:16px}.recording{color:#8a2323;background:#b334341f}@media (width<=980px){.app-layout{grid-template-columns:1fr}.sidebar{max-height:42vh}.starter-grid{grid-template-columns:1fr}.empty-state h1,.login-card h1{white-space:normal}.chat-stage{padding-right:0}.chat-stage-head{flex-direction:column;align-items:flex-start}}
.markdown-answer img{display:block;width:auto;max-width:100%;height:auto;border-radius:14px;margin:10px 0;box-shadow:0 8px 18px rgba(19,37,31,.1)}
/* emergency image overflow fix */
.message-bubble.assistant{overflow:hidden !important;}
.message-bubble.assistant img,.message-bubble img,.markdown-answer img,.thread-viewport img{max-width:100% !important;height:auto !important;display:block !important;}
.message-bubble.assistant p{overflow-wrap:anywhere;}
.message-bubble.assistant img{display:block !important;max-width:min(100%,900px) !important;max-height:62vh !important;width:auto !important;height:auto !important;object-fit:contain !important;margin:10px auto !important;border-radius:14px !important;}