:root{--bg:#fbfaf7;--surface:#fff;--text:#1d1f23;--muted:#5d6470;--border:#e3e0d8;--accent:#1f5f8b;--soft:#e6f0f7;color-scheme:light;font-family:ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:var(--text);background:var(--bg)}
@media(prefers-color-scheme:dark){:root{--bg:#15171a;--surface:#1d2024;--text:#e8e6e1;--muted:#a0a6b0;--border:#30343a;--accent:#7fb8e0;--soft:#1d3142;color-scheme:dark}}
*{box-sizing:border-box}body{margin:0;height:100dvh;display:flex;flex-direction:column;font-size:16px;line-height:1.6}a{color:var(--accent);text-underline-offset:3px}button,textarea{font:inherit}button{cursor:pointer}button:disabled{cursor:default;opacity:.55}button:focus-visible,a:focus-visible,textarea:focus-visible{outline:3px solid var(--accent);outline-offset:3px}header{min-height:64px;padding:12px 28px;display:flex;align-items:center;justify-content:space-between;gap:12px;border-bottom:1px solid var(--border);background:var(--surface)}.brand{font-size:1.1rem;font-weight:700;text-decoration:none;color:var(--text);white-space:nowrap}.brand span{font-weight:400;color:var(--muted);padding-left:8px}.header-actions{display:flex;gap:20px;align-items:center}.badge{font-size:.75rem;border-radius:999px;padding:3px 10px;background:var(--soft);color:var(--accent)}.quiet{border:0;background:transparent;color:var(--muted);font-size:.85rem;padding:6px}main{width:100%;max-width:900px;margin:0 auto;display:flex;flex-direction:column;flex:1;min-height:0;padding:0 28px}#conversation{flex:1;overflow-y:auto;overscroll-behavior:contain;padding:28px 8px 12px;scrollbar-width:thin}#welcome{max-width:740px;margin:clamp(16px,8vh,96px) auto 20px}.eyebrow{color:var(--accent);font-size:.8rem;font-weight:600;letter-spacing:.03em}h1{font-size:clamp(1.8rem,4vw,2.75rem);line-height:1.18;letter-spacing:-.035em;margin:14px 0 18px}#welcome>p{color:var(--muted);max-width:580px}.suggestions{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:30px 0 22px}.suggestions button{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:18px 16px;text-align:left;color:var(--text);font-weight:600;font-size:.9rem}.suggestions button:hover{border-color:var(--accent)}.suggestions span{display:block;font-weight:400;color:var(--muted);font-size:.8rem;margin-top:9px}.source-note{font-size:.8rem}.composer-area{padding:0 8px max(16px,env(safe-area-inset-bottom));flex-shrink:0}#status{font-size:.8rem;color:var(--muted);min-height:1.6em;margin:8px 0}form{padding:14px 16px 12px;background:var(--surface);border:1px solid var(--border);border-radius:14px;box-shadow:0 4px 20px #00000005}textarea{display:block;width:100%;resize:vertical;max-height:180px;min-height:55px;background:transparent;border:0;color:var(--text);padding:0;font-size:1rem;line-height:1.5}textarea:focus-visible{outline-offset:5px}.composer-bottom{display:flex;align-items:center;justify-content:space-between;margin-top:10px;gap:12px}.composer-bottom span{font-size:.75rem;color:var(--muted)}#send{border:0;border-radius:8px;background:var(--accent);color:var(--surface);padding:7px 16px;font-size:.9rem;font-weight:600}#privacy-note,.disclaimer{font-size:.72rem;line-height:1.5;color:var(--muted);margin:10px 2px 0}.disclaimer{margin-top:4px}.message{margin:0 0 28px;overflow-wrap:anywhere}.message h2{font-size:.75rem;color:var(--muted);margin:0 0 6px;font-weight:600}.message .text{white-space:pre-wrap}.message.user{margin-left:12%;padding:14px 18px;background:var(--soft);border-radius:12px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.privacy{display:block;overflow:auto;max-width:760px;padding:30px 24px 70px}.privacy h1{font-size:2rem}.privacy h2{font-size:1.2rem;margin-top:28px}.privacy p,.privacy li{color:var(--muted)}
@media(max-width:600px){header{padding:12px 16px;min-height:58px}.header-actions{gap:6px}.badge{display:none}main{padding:0 10px}#welcome{margin:20px auto}.suggestions{grid-template-columns:1fr;gap:8px;margin:22px 0}.suggestions button{padding:12px 14px}.suggestions span{margin:3px 0 0}.source-note{display:none}#conversation{padding-top:16px}.composer-area{padding-bottom:max(10px,env(safe-area-inset-bottom))}.message.user{margin-left:5%}}

.message.incomplete{opacity:.75;border-left:2px solid var(--border);padding-left:12px}#stop{margin-left:auto}

textarea:disabled{color:var(--muted);background:var(--bg);opacity:.65;cursor:wait}

#file-drop-notice{width:min(440px,calc(100vw - 40px));padding:28px;border:1px solid var(--border);border-radius:18px;background:var(--surface);color:var(--text);box-shadow:0 24px 80px #0003;text-align:center;pointer-events:none}#file-drop-notice::backdrop{background:#10182066;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}#file-drop-notice h2{font-size:1.3rem;line-height:1.3;margin:0 0 12px}#file-drop-notice p{color:var(--muted);margin:0}#file-drop-notice .drop-hint{font-size:.8rem;margin-top:16px}

@keyframes file-drop-enter{from{opacity:0;transform:translateY(8px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}
@keyframes file-drop-scrim-enter{from{opacity:0}to{opacity:1}}
@media(prefers-reduced-motion:no-preference){
  #file-drop-notice[open]{animation:file-drop-enter 200ms ease-out}
  #file-drop-notice[open]::backdrop{animation:file-drop-scrim-enter 200ms ease-out}
}
@media(prefers-reduced-motion:reduce){
  #file-drop-notice[open],#file-drop-notice[open]::backdrop{animation:none}
}

.composer-tools{min-width:0;flex:1;font-size:.75rem;color:var(--muted)}#attach-documents{padding:0;font-size:inherit;color:var(--accent);text-decoration:underline;text-underline-offset:3px}

#queued-attachments,.message-attachments{display:flex;flex-wrap:wrap;gap:8px}#queued-attachments:not(:empty){padding-bottom:12px}.message-attachments{margin-top:10px}.attachment{position:relative;display:inline-flex;max-width:100%}.attachment-badge{border:1px solid var(--border);border-radius:8px;background:var(--soft);color:var(--text);padding:5px 9px;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:.8rem}.attachment-info{display:none;position:absolute;bottom:calc(100% + 6px);left:0;width:min(290px,70vw);padding:10px 12px;background:var(--surface);color:var(--text);border:1px solid var(--border);border-radius:8px;box-shadow:0 4px 20px #0002;z-index:5;font-size:.75rem;pointer-events:none}.attachment-info small{display:block;color:var(--muted);margin-top:5px}.attachment:hover .attachment-info,.attachment:focus-within .attachment-info{display:block}#document-summary-dialog{width:min(640px,calc(100vw - 32px));max-height:80dvh;overflow:auto;border:1px solid var(--border);border-radius:16px;padding:24px;background:var(--surface);color:var(--text)}#document-summary-dialog::backdrop{background:#10182066;backdrop-filter:blur(8px)}.close-summary{float:right}.document-summary{white-space:pre-wrap;overflow-wrap:anywhere}.document-kind{color:var(--muted);font-size:.85rem}

.message-attachments .attachment-info{bottom:auto;top:calc(100% + 6px)}