:root{--kai-accent: #0c6b6a;--kai-ink: #12211f;--kai-soft: #51625f;--kai-line: #dce6e3;--kai-bg: #f4f7f7;--kai-user: #0c6b6a;--kai-confirm: #f3ecd8;--kai-confirm-line: #8a6b18}.kai-widget{font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;max-width:720px;margin:24px auto;border:1px solid var(--kai-line);border-radius:14px;overflow:hidden;display:flex;flex-direction:column;height:640px;background:#fff;color:var(--kai-ink);box-shadow:0 10px 30px #12211f0f}.kai-head{background:var(--kai-accent);color:#fff;padding:12px 16px;font-weight:600;font-size:15px;display:flex;align-items:center;gap:8px}.kai-dot{width:8px;height:8px;border-radius:50%;background:#7ee0d4}.kai-messages{flex:1;overflow-y:auto;padding:16px;background:var(--kai-bg);display:flex;flex-direction:column;gap:10px}.kai-msg{max-width:92%;padding:10px 14px;border-radius:12px;font-size:14.5px;line-height:1.5;white-space:pre-wrap}.kai-assistant{background:#fff;border:1px solid var(--kai-line);align-self:flex-start}.kai-user{background:var(--kai-user);color:#fff;align-self:flex-end}.kai-typing{display:inline-flex;align-items:center;gap:6px;color:var(--kai-soft)}.kai-typing i{width:6px;height:6px;border-radius:50%;background:var(--kai-accent);animation:kai-blink 1.2s infinite both}.kai-typing i:nth-child(2){animation-delay:.2s}.kai-typing i:nth-child(3){animation-delay:.4s}@keyframes kai-blink{0%,80%,to{opacity:.25}40%{opacity:1}}@media (prefers-reduced-motion: reduce){.kai-typing i{animation:none}}.kai-quote{margin-top:6px}.kai-quote table{width:100%;border-collapse:collapse;font-size:13px}.kai-quote th,.kai-quote td{text-align:left;padding:6px 8px;border-bottom:1px solid var(--kai-line)}.kai-quote th{color:var(--kai-soft);font-weight:600}.kai-quote .num{text-align:right;font-variant-numeric:tabular-nums}.kai-confirm{background:var(--kai-confirm)}.kai-excluded{opacity:.4;text-decoration:line-through}.kai-child td{color:var(--kai-soft);font-size:12px}.kai-note td{color:var(--kai-soft);font-size:12px;background:#fafcfb}.kai-badge{margin-left:8px;font-size:11px;color:var(--kai-confirm-line);border:1px solid var(--kai-confirm-line);border-radius:6px;padding:1px 6px}.kai-total{font-weight:700;color:var(--kai-accent)}.kai-hint{color:var(--kai-soft);font-weight:400;font-size:12px}.kai-disclaimer{color:var(--kai-soft);font-size:11.5px;margin:8px 2px 0}.kai-input{display:flex;gap:8px;padding:10px;border-top:1px solid var(--kai-line);align-items:center}.kai-upload{cursor:pointer;font-size:20px;padding:4px 6px;-webkit-user-select:none;user-select:none}.kai-input input[type=text]{flex:1;border:1px solid var(--kai-line);border-radius:10px;padding:9px 12px;font-size:14px;outline:none}.kai-input input[type=text]:focus{border-color:var(--kai-accent)}.kai-input button{background:var(--kai-accent);color:#fff;border:none;border-radius:10px;padding:9px 16px;font-size:14px;font-weight:600;cursor:pointer}.kai-input button:disabled{opacity:.5;cursor:default}