/* ===== Floating AI assistant — one button, rich panel ===== */
.ai-chat-widget{position:fixed;right:18px;bottom:18px;z-index:1100;font-family:inherit;display:flex;flex-direction:column;align-items:flex-end;gap:10px}
.ai-chat-widget.ai-chat-open{right:0;bottom:0}

/* -- FAB -- */
.ai-chat-launch{display:flex;align-items:center;gap:9px;border:0;border-radius:999px;padding:14px 20px 14px 16px;background:linear-gradient(135deg,#0A1F36 0%,#1E5F8E 100%);color:#fff;cursor:pointer;font-size:.875rem;font-weight:600;letter-spacing:.01em;box-shadow:0 10px 28px rgba(10,31,54,.38);transition:transform .18s ease,box-shadow .18s ease}
.ai-chat-launch:hover{transform:translateY(-2px);box-shadow:0 14px 34px rgba(10,31,54,.46);color:#fff}
.ai-chat-launch .spark{font-size:1.05rem;line-height:1;color:#F2B441}
.ai-chat-open .ai-chat-launch{opacity:0;pointer-events:none;position:absolute}

/* -- Panel -- */
.ai-chat-panel{width:min(400px,calc(100vw - 28px));height:min(640px,calc(100vh - 90px));display:flex;flex-direction:column;background:#fff;border:1px solid rgba(10,31,54,.1);border-radius:20px;box-shadow:0 24px 64px rgba(10,31,54,.28);overflow:hidden;animation:aiChatIn .22s ease}
.ai-chat-panel.hidden{display:none}
@keyframes aiChatIn{from{opacity:0;transform:translateY(14px) scale(.98)}to{opacity:1;transform:none}}
.ai-chat-header{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:14px 16px;background:linear-gradient(135deg,#0A1F36 0%,#1E5F8E 100%);color:#fff}
.ai-chat-header strong{display:block;font-size:.95rem}
.ai-chat-header .ai-chat-sub{display:block;font-size:.72rem;opacity:.82;margin-top:2px}
.ai-chat-close{border:0;background:rgba(255,255,255,.14);color:#fff;width:30px;height:30px;border-radius:999px;font-size:1rem;cursor:pointer;line-height:1;flex-shrink:0}
.ai-chat-close:hover{background:rgba(255,255,255,.26)}
.ai-chat-messages{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:10px;background:#F7F9FB;scroll-behavior:smooth}
.ai-chat-bubble{max-width:86%;padding:10px 13px;border-radius:14px;font-size:.85rem;line-height:1.55}
.ai-chat-bubble--assistant{align-self:flex-start;background:#fff;color:#0F1A2A;border:1px solid rgba(10,31,54,.08);border-bottom-left-radius:4px}
.ai-chat-bubble--user{align-self:flex-end;background:linear-gradient(135deg,#0A1F36,#1E5F8E);color:#fff;border-bottom-right-radius:4px}
.ai-chat-bubble p{margin:0 0 .5em}
.ai-chat-bubble p:last-child{margin-bottom:0}
.ai-chat-bubble ul{margin:.25em 0;padding-left:1.1em}
.ai-chat-bubble a{color:#1E5F8E;font-weight:600;text-decoration:underline;text-underline-offset:2px}
.ai-chat-typing{align-self:flex-start;display:flex;gap:5px;padding:12px 14px;background:#fff;border:1px solid rgba(10,31,54,.08);border-radius:14px;border-bottom-left-radius:4px}
.ai-chat-typing span{width:7px;height:7px;border-radius:999px;background:#1E5F8E;opacity:.4;animation:aiChatDot 1.2s infinite}
.ai-chat-typing span:nth-child(2){animation-delay:.15s}
.ai-chat-typing span:nth-child(3){animation-delay:.3s}
@keyframes aiChatDot{0%,60%,100%{opacity:.3;transform:none}30%{opacity:1;transform:translateY(-3px)}}

/* -- Tour cards -- */
.ai-chat-cards{display:grid;grid-template-columns:1fr 1fr;gap:10px;width:100%}
.ai-chat-cards.ai-chat-cards-single{grid-template-columns:1fr}
.ai-chat-card{background:#fff;border:1px solid rgba(10,31,54,.09);border-radius:14px;overflow:hidden;display:flex;flex-direction:column;transition:transform .15s ease,box-shadow .15s ease}
.ai-chat-card:hover{transform:translateY(-2px);box-shadow:0 8px 20px rgba(10,31,54,.12)}
.ai-chat-card-media{position:relative;aspect-ratio:16/9;background:linear-gradient(135deg,#14304F,#1E5F8E);display:block}
.ai-chat-card-media img{width:100%;height:100%;object-fit:cover;display:block}
.ai-chat-card-media .ai-chat-card-days{position:absolute;top:8px;left:8px;background:rgba(10,31,54,.82);color:#fff;font-size:.62rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;padding:3px 8px;border-radius:999px;backdrop-filter:blur(4px)}
.ai-chat-card-body{display:flex;flex-direction:column;gap:4px;padding:10px 12px 12px;flex:1}
.ai-chat-card-body strong{font-size:.82rem;line-height:1.3;color:#0A1F36}
.ai-chat-card-destination{font-size:.68rem;color:#6B7280;text-transform:uppercase;letter-spacing:.08em;font-weight:600}
.ai-chat-card-price{font-size:.8rem;font-weight:700;color:#E07A3C}
.ai-chat-card-price small{font-weight:500;color:#6B7280;font-size:.66rem}
.ai-chat-card-link{margin-top:auto;display:inline-flex;align-items:center;gap:5px;font-size:.74rem;font-weight:700;color:#1E5F8E;text-decoration:none;padding-top:6px}
.ai-chat-card-link:hover{text-decoration:underline;text-underline-offset:2px}
.ai-chat-card-link .arrow{transition:transform .15s ease}
.ai-chat-card-link:hover .arrow{transform:translateX(3px)}

/* -- Quick prompt chips -- */
.ai-chat-prompts{display:flex;flex-wrap:wrap;gap:6px;padding:10px 14px;border-top:1px solid rgba(10,31,54,.07);background:#fff}
.ai-chat-prompts:empty{display:none}
.ai-chat-prompts button{border:1px solid rgba(30,95,142,.35);background:rgba(30,95,142,.06);color:#1E5F8E;font-size:.7rem;font-weight:600;padding:6px 11px;border-radius:999px;cursor:pointer;transition:all .15s ease}
.ai-chat-prompts button:hover{background:#1E5F8E;color:#fff;border-color:#1E5F8E}

/* -- Quick action row (AI vs WhatsApp) -- */
.ai-chat-actions{display:flex;gap:8px;padding:10px 14px 0;background:#fff}
.ai-chat-actions:empty{display:none}
.ai-chat-actions button{flex:1;display:inline-flex;align-items:center;justify-content:center;gap:6px;border-radius:10px;padding:8px 10px;font-size:.72rem;font-weight:700;cursor:pointer;transition:all .15s ease}
.ai-chat-actions .action-ai{border:1.5px solid #1E5F8E;background:#1E5F8E;color:#fff}
.ai-chat-actions .action-ai:hover{background:#175C85}
.ai-chat-actions .action-whatsapp{border:1.5px solid #25D366;background:#fff;color:#128C4B}
.ai-chat-actions .action-whatsapp:hover{background:#25D366;color:#fff}

/* -- Composer -- */
.ai-chat-form{display:flex;flex-direction:column;gap:8px;padding:12px 14px;background:#fff;border-top:1px solid rgba(10,31,54,.07)}
.ai-chat-form input,.ai-chat-form textarea{width:100%;border:1px solid rgba(10,31,54,.14);border-radius:10px;padding:8px 11px;font-size:.8rem;font-family:inherit;background:#F7F9FB;color:#0F1A2A;resize:none}
.ai-chat-form input:focus,.ai-chat-form textarea:focus{outline:2px solid rgba(30,95,142,.35);outline-offset:1px;border-color:#1E5F8E}
.ai-chat-form .ai-chat-contact-row{display:flex;gap:8px}
.ai-chat-form-row{display:flex;justify-content:space-between;align-items:center;gap:10px}
.ai-chat-note{font-size:.62rem;color:#6B7280;line-height:1.4}
.ai-chat-submit{border:0;background:linear-gradient(135deg,#0A1F36,#1E5F8E);color:#fff;font-size:.75rem;font-weight:700;padding:9px 18px;border-radius:999px;cursor:pointer;transition:opacity .15s ease;flex-shrink:0}
.ai-chat-submit:hover{opacity:.92}
.ai-chat-submit:disabled{opacity:.55;cursor:wait}

/* -- Footer links -- */
.ai-chat-footer{display:flex;flex-wrap:wrap;align-items:center;gap:4px 6px;padding:9px 14px;font-size:.68rem;background:#fff;border-top:1px solid rgba(10,31,54,.07)}
.ai-chat-footer a{color:#1E5F8E;font-weight:700;text-decoration:none}
.ai-chat-footer a:hover{text-decoration:underline}
.ai-chat-footer .ai-chat-contact{color:#6B7280}

/* ===== Dark mode ===== */
.dark .ai-chat-panel{background:#14223A;border-color:rgba(255,255,255,.09)}
.dark .ai-chat-messages{background:#0F1A2A}
.dark .ai-chat-bubble--assistant{background:#1B2C48;color:#DCE3EB;border-color:rgba(255,255,255,.09)}
.dark .ai-chat-bubble a{color:#3FA7C4}
.dark .ai-chat-typing{background:#1B2C48;border-color:rgba(255,255,255,.09)}
.dark .ai-chat-typing span{background:#3FA7C4}
.dark .ai-chat-card{background:#1B2C48;border-color:rgba(255,255,255,.09)}
.dark .ai-chat-card-body strong{color:#fff}
.dark .ai-chat-card-destination{color:#8FA3B8}
.dark .ai-chat-card-price{color:#F2B441}
.dark .ai-chat-card-price small{color:#8FA3B8}
.dark .ai-chat-card-link{color:#3FA7C4}
.dark .ai-chat-prompts{background:#14223A;border-top-color:rgba(255,255,255,.07)}
.dark .ai-chat-prompts button{background:rgba(63,167,196,.1);border-color:rgba(63,167,196,.4);color:#3FA7C4}
.dark .ai-chat-prompts button:hover{background:#3FA7C4;color:#0A1726}
.dark .ai-chat-actions{background:#14223A}
.dark .ai-chat-actions .action-ai{background:#1E5F8E;color:#fff}
.dark .ai-chat-actions .action-whatsapp{background:#1B2C48;border-color:#25D366;color:#4ADE80}
.dark .ai-chat-form{background:#14223A;border-top-color:rgba(255,255,255,.07)}
.dark .ai-chat-form input,.dark .ai-chat-form textarea{background:#0F1A2A;border-color:rgba(255,255,255,.12);color:#DCE3EB}
.dark .ai-chat-note{color:#8FA3B8}
.dark .ai-chat-footer{background:#14223A;border-top-color:rgba(255,255,255,.07)}
.dark .ai-chat-footer a{color:#3FA7C4}
.dark .ai-chat-footer .ai-chat-contact{color:#8FA3B8}

/* ===== Mobile ===== */
@media (max-width:640px){
  .ai-chat-widget{right:12px;bottom:12px}
  .ai-chat-panel{width:calc(100vw - 20px);height:min(78vh,620px);border-radius:16px}
  .ai-chat-launch{padding:12px 16px 12px 14px;font-size:.8rem}
  .ai-chat-cards{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  .ai-chat-panel,.ai-chat-launch,.ai-chat-card{animation:none;transition:none}
}