.koto-ai{position:fixed;right:24px;bottom:24px;z-index:1100;font-family:Inter,system-ui,sans-serif}.koto-ai__launcher{display:flex;align-items:center;gap:9px;border:0;border-radius:999px;padding:13px 18px;background:linear-gradient(135deg,var(--merchant-primary,#111827),var(--merchant-secondary,#334155));color:#fff;font:700 14px/1 Inter,sans-serif;letter-spacing:.04em;box-shadow:0 14px 34px rgba(15,23,42,.25);cursor:pointer}.koto-ai__spark{display:grid;place-items:center;width:25px;height:25px;border-radius:50%;background:rgba(255,255,255,.18);font-size:16px}.koto-ai__panel{position:absolute;right:0;bottom:64px;width:min(390px,calc(100vw - 32px));height:min(620px,calc(100vh - 110px));overflow:hidden;border:1px solid #e5e7eb;border-radius:22px;background:#fff;box-shadow:0 24px 70px rgba(15,23,42,.24)}.koto-ai__panel:not([hidden]){display:flex;flex-direction:column}.koto-ai__header{display:flex;align-items:center;justify-content:space-between;padding:18px 19px;background:linear-gradient(135deg,var(--merchant-primary,#111827),var(--merchant-secondary,#334155));color:#fff}.koto-ai__header strong{display:block;font-size:16px}.koto-ai__header small{display:flex;align-items:center;gap:6px;margin-top:5px;opacity:.85}.koto-ai__header small span{width:7px;height:7px;border-radius:50%;background:#4ade80}.koto-ai__header button{border:0;background:transparent;color:#fff;font-size:27px;line-height:1;cursor:pointer}.koto-ai__messages{flex:1;display:flex;flex-direction:column;gap:11px;overflow-y:auto;padding:18px;background:#f8fafc}.koto-ai__message{max-width:84%;padding:11px 13px;border-radius:15px;white-space:pre-wrap;overflow-wrap:anywhere;font-size:14px;line-height:1.48}.koto-ai__message--assistant{align-self:flex-start;border:1px solid #e5e7eb;border-bottom-left-radius:5px;background:#fff;color:#1f2937}.koto-ai__message--user{align-self:flex-end;border-bottom-right-radius:5px;background:var(--merchant-primary,#111827);color:#fff}.koto-ai__message.is-pending{letter-spacing:.18em;color:#64748b}.koto-ai__form{display:flex;align-items:flex-end;gap:9px;padding:12px;border-top:1px solid #e5e7eb;background:#fff}.koto-ai__form textarea{flex:1;max-height:112px;resize:none;border:1px solid #dbe1e8;border-radius:13px;padding:11px 12px;font:14px/1.4 Inter,sans-serif;outline:none}.koto-ai__form textarea:focus{border-color:var(--merchant-primary,#111827);box-shadow:0 0 0 3px color-mix(in srgb,var(--merchant-primary,#111827) 12%,transparent)}.koto-ai__form button{display:grid;place-items:center;width:43px;height:43px;border:0;border-radius:12px;background:var(--merchant-primary,#111827);color:#fff;font-size:17px;cursor:pointer}.koto-ai__form button:disabled{opacity:.5;cursor:wait}.koto-ai__notice{margin:0;padding:0 14px 11px;background:#fff;color:#64748b;font-size:10px;text-align:center}@media(max-width:640px){.koto-ai{right:16px;bottom:16px}.koto-ai__panel{position:fixed;inset:12px;width:auto;height:auto;border-radius:18px}.koto-ai__launcher{padding:13px 15px}.koto-ai__launcher>span:last-child{display:none}}@media(prefers-reduced-motion:no-preference){.koto-ai__panel:not([hidden]){animation:koto-ai-in .18s ease-out}@keyframes koto-ai-in{from{opacity:0;transform:translateY(8px) scale(.98)}to{opacity:1;transform:none}}}