*{box-sizing:border-box}:root{--page:#fff;--surface:#fff;--surface-soft:#f6f7f9;--text:#111827;--muted:#6b7280;--line:#e5e7eb;--dark:#111827;--sidebar-width:290px}html,body{margin:0;min-height:100%;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--page);color:var(--text)}button,input,textarea{font:inherit}button{cursor:pointer}.hidden{display:none!important}.auth-page{min-height:100vh;display:grid;place-items:center;padding:24px;background:#f6f7f9}.auth-card{width:100%;max-width:420px;padding:26px;background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:0 18px 50px rgba(0,0,0,.06)}.brand{margin:0;font-size:28px;font-weight:800;letter-spacing:-.03em}.subtitle{margin:8px 0 24px;color:var(--muted);line-height:1.45}label{display:block;margin:16px 0 7px;font-size:14px;font-weight:650}input{width:100%;padding:13px 14px;border:1px solid #d1d5db;border-radius:12px;outline:none;font-size:16px;background:#fff}input:focus{border-color:#9ca3af;box-shadow:0 0 0 3px rgba(17,24,39,.06)}.button{width:100%;min-height:46px;margin-top:12px;border:0;border-radius:12px;font-weight:700}.button-primary{color:#fff;background:var(--dark)}.button-secondary{color:var(--text);background:var(--surface-soft)}.auth-message{display:none;margin-top:16px;padding:12px 14px;border-radius:12px;background:var(--surface-soft);font-size:14px;line-height:1.4}.app{height:100dvh;display:flex;overflow:hidden;background:#fff}.sidebar{position:fixed;inset:0 auto 0 0;width:var(--sidebar-width);z-index:30;display:flex;flex-direction:column;background:#f7f7f8;border-right:1px solid var(--line);transform:translateX(-100%);transition:transform 180ms ease}.sidebar.open{transform:translateX(0)}.sidebar-header{padding:max(16px,env(safe-area-inset-top)) 14px 12px;border-bottom:1px solid var(--line)}.new-chat-sidebar{width:100%;padding:12px 14px;border:1px solid #d8dadd;border-radius:12px;background:#fff;text-align:left;font-weight:700}.history-label{padding:18px 16px 7px;color:var(--muted);font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.05em}.conversation-list{flex:1;overflow-y:auto;padding:0 8px 16px}.conversation-group-label{padding:12px 10px 5px;color:var(--muted);font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.04em}.conversation-item-row{position:relative;display:flex;align-items:center;margin:2px 0;border-radius:10px}.conversation-item-row:hover,.conversation-item-row.active{background:rgba(0,0,0,.06)}.conversation-item-row.active{box-shadow:inset 2px 0 0 var(--dark)}.conversation-item{flex:1;min-width:0;margin:0;padding:11px 8px 11px 10px;border:0;border-radius:10px;background:transparent;text-align:left;color:var(--text)}.conversation-item-title{overflow:hidden;white-space:nowrap;text-overflow:ellipsis;font-size:14px;font-weight:550}.conversation-more{width:34px;height:34px;flex-shrink:0;margin-right:3px;border:0;border-radius:8px;background:transparent;color:var(--muted);font-size:20px;line-height:1}.conversation-more:hover,.conversation-more:focus-visible{background:rgba(0,0,0,.06);color:var(--text)}.conversation-menu{position:absolute;right:4px;top:38px;z-index:8;min-width:122px;padding:5px;background:#fff;border:1px solid var(--line);border-radius:10px;box-shadow:0 10px 28px rgba(0,0,0,.12)}.conversation-menu button{width:100%;padding:9px 10px;border:0;border-radius:7px;background:transparent;text-align:left;font-size:13px}.conversation-menu button:hover{background:var(--surface-soft)}.conversation-menu 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.bubble.markdown hr{border:0;border-top:1px solid #d1d5db;margin:1em 0}.assistant .bubble.markdown table{display:block;max-width:100%;overflow-x:auto;border-collapse:collapse;margin:.8em 0}.assistant .bubble.markdown th,.assistant .bubble.markdown td{border:1px solid #d1d5db;padding:6px 8px;text-align:left}.composer-wrap{position:fixed;left:0;right:0;bottom:0;padding:12px 14px max(14px,env(safe-area-inset-bottom));background:linear-gradient(to top,#fff 78%,rgba(255,255,255,0))}.composer{width:100%;max-width:760px;margin:0 auto;padding:10px;display:flex;align-items:flex-end;gap:8px;border:1px solid #d1d5db;border-radius:20px;background:#fff;box-shadow:0 8px 30px rgba(0,0,0,.08)}.composer:focus-within{border-color:#b8bec7;box-shadow:0 8px 30px rgba(0,0,0,.08),0 0 0 3px rgba(17,24,39,.035)}textarea{flex:1;min-height:42px;max-height:150px;padding:10px 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.saas-controls{width:100%;max-width:760px;margin:0 auto 8px;display:flex;align-items:center;gap:2px;flex-wrap:nowrap;padding:4px;border:1px solid #dfe3e8;border-radius:18px;background:#fff;box-shadow:0 2px 10px rgba(0,0,0,.04);overflow:hidden}
.saas-control{min-height:34px;border:0;border-radius:12px;background:transparent;color:#374151;font-size:13px;font-weight:650;box-shadow:none;outline:none}
.saas-control:focus-visible{outline:2px solid #9ca3af;outline-offset:-2px}
select.saas-control{flex:1 1 auto;min-width:0;max-width:none;padding:0 28px 0 10px;background:transparent}
button.saas-control{flex:0 0 auto;padding:6px 10px;border-left:1px solid #eef0f3;border-radius:0}
button.saas-control:first-of-type{border-left:1px solid #eef0f3}
.saas-attachment-tray{width:100%;max-width:760px;margin:0 auto 7px;display:flex;flex-wrap:wrap;gap:6px}
.saas-pending-chip,.saas-file-chip{display:flex;align-items:center;gap:6px;max-width:min(320px,78vw);padding:7px 9px;border:1px solid #d1d5db;border-radius:10px;background:#fff;color:#374151;font-size:12px;overflow:hidden}
.saas-pending-chip span,.saas-file-chip span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.saas-message-stack{display:flex;flex-direction:column;gap:7px;max-width:min(85%,620px)}
.message-row.user .saas-message-stack{align-items:flex-end}.message-row.assistant .saas-message-stack{align-items:flex-start}
.saas-message-stack>.bubble{max-width:100%}
.saas-attachments{display:flex;flex-wrap:wrap;gap:7px;max-width:100%}
.saas-image-button{border:0;padding:0;background:transparent;border-radius:12px;overflow:hidden;max-width:100%;line-height:0}
.saas-image-thumb{display:block;width:auto;max-width:min(270px,72vw);height:auto;max-height:230px;object-fit:cover;border-radius:12px;background:#e5e7eb;border:1px solid #e5e7eb}
.saas-image-placeholder{width:160px;height:110px;display:grid;place-items:center;border-radius:12px;background:#f3f4f6;color:#6b7280;font-size:12px;border:1px solid #e5e7eb}
.saas-image-placeholder[hidden],.saas-image-thumb[hidden]{display:none !important}
.saas-provenance{max-width:100%;padding:0 4px;color:#7b8491;font-size:11px;line-height:1.35;white-space:normal}
.saas-stopped{max-width:100%;padding:0 4px;color:#7b8491;font-size:11px;line-height:1.35}
.saas-latest{position:fixed;z-index:24;width:38px;height:38px;border:1px solid #d1d5db;border-radius:50%;background:#fff;color:#111827;font-size:20px;box-shadow:0 5px 18px rgba(0,0,0,.12);display:none}
.saas-preview{position:fixed;inset:0;z-index:80;display:flex;align-items:center;justify-content:center;padding:20px;background:rgba(0,0,0,.78)}
.saas-preview img{max-width:94vw;max-height:90vh;object-fit:contain;border-radius:10px;background:#111}
.saas-preview-close{position:absolute;top:max(14px,env(safe-area-inset-top));right:14px;width:42px;height:42px;border:0;border-radius:50%;background:rgba(255,255,255,.92);font-size:24px}
.saas-thinking-ui{display:inline-flex;align-items:center;gap:9px;min-height:24px;color:#6b7280;font-size:14px;font-weight:550}
.saas-thinking-dots{display:inline-flex;align-items:center;gap:4px}
.saas-thinking-dot{width:5px;height:5px;border-radius:50%;background:currentColor;opacity:.28;animation:saasThink 1.15s ease-in-out infinite}
.saas-thinking-dot:nth-child(2){animation-delay:.14s}.saas-thinking-dot:nth-child(3){animation-delay:.28s}
@keyframes saasThink{0%,60%,100%{opacity:.25;transform:translateY(0)}30%{opacity:.9;transform:translateY(-2px)}}
.saas-reference-panel{margin-top:14px;border-top:1px solid #e5e7eb;padding-top:8px}
.saas-reference-panel summary{display:flex;align-items:center;justify-content:space-between;gap:12px;cursor:pointer;list-style:none;color:#667085;font-size:12px;font-weight:650;padding:5px 1px;user-select:none}
.saas-reference-panel summary::-webkit-details-marker{display:none}
.saas-reference-panel summary:after{content:'›';font-size:18px;font-weight:400;line-height:1;transform:rotate(90deg);transition:transform .15s ease}
.saas-reference-panel[open] summary:after{transform:rotate(-90deg)}
.saas-reference-body{padding:5px 1px 2px;color:#667085;font-size:12px;line-height:1.55;overflow-wrap:anywhere}
.saas-reference-body p,.saas-reference-body li{font-size:inherit;line-height:inherit}
@media(prefers-reduced-motion:reduce){.saas-thinking-dot{animation:none;opacity:.55}.saas-reference-panel summary:after{transition:none}}
@media(max-width:599px){.saas-message-stack{max-width:91%}.saas-controls{gap:0;padding:3px}.saas-control{font-size:12px}select.saas-control{padding-left:8px;padding-right:22px}.saas-image-thumb{max-width:76vw}}
@media(max-height:500px) and (orientation:landscape){.saas-controls{margin-bottom:5px}.saas-control{min-height:31px}.saas-image-thumb{max-height:150px}}
html:not([data-brand-ready="1"]) .brand{visibility:hidden}