.teng-chat{position:fixed;right:24px;bottom:24px;z-index:45;font-family:var(--sans);color:var(--ink);view-transition-name:teng-chat}
.teng-chat button{font-weight:400;font-size:13px}
.teng-chat-launch{display:flex;gap:28px;align-items:center;background:var(--navy);color:var(--cloud);border:1px solid var(--slate);border-radius:5px;padding:12px 17px;box-shadow:0 4px 20px #2c3e5018}
.teng-chat-launch span{font-size:18px}
.teng-chat-panel{display:flex;flex-direction:column;position:absolute;right:0;bottom:58px;width:380px;height:550px;max-height:calc(100dvh - 110px);background:var(--paper);border:1px solid var(--line);border-radius:8px;box-shadow:0 12px 48px #2c3e5029;overflow:hidden;transform-origin:bottom right;animation:chat-appear 180ms ease-out}
.teng-chat-header{padding:18px 19px 14px;display:flex;align-items:start;justify-content:space-between;border-bottom:1px solid var(--line)}
.teng-chat-header h2{margin:0 0 5px;font-size:18px;letter-spacing:-.025em;font-weight:400}
.teng-chat-header p{margin:0;font-size:11px;color:var(--muted)}
.teng-chat-header button{background:none;border:0;padding:0 5px;font-size:24px;line-height:1.1}
.teng-chat-scroll{flex:1;min-height:0;overflow:auto;overscroll-behavior:contain;padding:18px;scroll-behavior:smooth}
.teng-chat-intro{font-size:13px;line-height:1.6;margin:0 0 15px}
.teng-chat-prompts{display:grid;gap:7px;margin-bottom:18px}
.teng-chat-prompts button{background:transparent;border:1px solid var(--line);text-align:left;border-radius:4px;padding:8px 10px;line-height:1.4}
.teng-chat-prompts button:hover{background:var(--wash)}
.teng-chat-message{margin-bottom:18px;overflow-wrap:anywhere;font-size:13px;line-height:1.65}
.teng-chat-message[data-role=user]{background:var(--wash);padding:10px 12px;margin-left:24px;border-radius:5px}
.teng-chat-message p{white-space:pre-wrap;margin:0;font-size:13px;font-weight:400}
.teng-chat-message-label{display:block;font-size:10px;margin-bottom:5px;color:var(--muted);letter-spacing:.04em}
.teng-chat-sources{display:grid;gap:5px;margin:10px 0 0;padding-top:9px;border-top:1px solid var(--line)}
.teng-chat-sources a{font-size:11px;line-height:1.45;text-decoration:none}
.teng-chat-sources a:hover{text-decoration:underline}
.teng-chat-status{font-size:12px;line-height:1.5;margin:0;color:var(--muted);white-space:pre-line}
.teng-chat-status:empty{display:none}
.teng-chat-form{border-top:1px solid var(--line);padding:12px 16px 9px}
.teng-chat-form label{display:block;font-size:11px;margin-bottom:6px}
.teng-chat-form textarea{display:block;resize:none;box-sizing:border-box;width:100%;border:1px solid var(--line);border-radius:4px;background:#ffffff60;color:var(--ink);padding:9px 10px;font-size:14px;line-height:1.5}
.teng-chat-actions{display:flex;justify-content:space-between;align-items:center;margin-top:9px;gap:12px}
.teng-chat-actions button{border:0;background:none;padding:6px 0;font-size:11px}
.teng-chat-actions button[type=submit]{background:var(--navy);color:var(--cloud);padding:7px 15px;border-radius:4px;font-size:12px}
.teng-chat-note{margin:0;padding:0 16px 12px;font-size:10px;line-height:1.5;color:var(--muted)}
::view-transition-group(teng-chat){animation:none;z-index:50}::view-transition-old(teng-chat){display:none}::view-transition-new(teng-chat){animation:none}
@keyframes chat-appear{from{opacity:0;transform:translateY(7px) scale(.985)}to{opacity:1;transform:none}}
@media(max-width:560px){.teng-chat{right:12px;bottom:max(12px,env(safe-area-inset-bottom))}.teng-chat-panel{width:calc(100vw - 24px);max-height:calc(100dvh - 90px);bottom:55px}.teng-chat-form textarea{font-size:16px}.teng-chat-launch{padding:10px 14px}}
@media(prefers-reduced-motion:reduce){.teng-chat-panel{animation:none}.teng-chat-scroll{scroll-behavior:auto}}