#natAssistant{position:fixed;right:18px;bottom:88px;z-index:9997;font-family:inherit;--nat-navy:#071d35;--nat-navy2:#0b3157;--nat-gold:#d4b36a;--nat-ink:#102033;--nat-soft:#f4f7fa}#natAssistant[hidden]{display:none!important}.nat-toggle{position:relative;border:1px solid rgba(212,179,106,.4);border-radius:999px;padding:13px 19px 13px 48px;background:linear-gradient(135deg,var(--nat-navy),var(--nat-navy2));color:#fff;font-weight:850;letter-spacing:.01em;box-shadow:0 14px 36px rgba(0,0,0,.28);cursor:pointer;transition:transform .25s ease,box-shadow .25s ease}.nat-toggle:before{content:'NAT';position:absolute;left:8px;top:50%;transform:translateY(-50%);width:32px;height:32px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(145deg,#efd18a,var(--nat-gold));color:#071a2c;font-size:.62rem;font-weight:1000;border:1px solid rgba(255,255,255,.55);box-shadow:0 0 0 5px rgba(212,179,106,.08)}.nat-toggle:after{content:'';position:absolute;left:35px;top:9px;width:8px;height:8px;border-radius:50%;background:#42d392;border:2px solid var(--nat-navy)}.nat-toggle:hover{transform:translateY(-2px);box-shadow:0 18px 42px rgba(0,0,0,.32)}.nat-panel{width:min(390px,calc(100vw - 28px));margin-bottom:12px;background:#fff;color:var(--nat-ink);border:1px solid rgba(9,39,71,.14);border-radius:24px;box-shadow:0 24px 70px rgba(0,0,0,.3);overflow:hidden;transform-origin:bottom right;animation:natOpen .24s ease-out}.nat-head{position:relative;padding:17px 18px 16px 68px;min-height:70px;background:linear-gradient(135deg,var(--nat-navy),#0d3b67);color:#fff;border-bottom:1px solid rgba(212,179,106,.35)}.nat-head:before{content:'NAT';position:absolute;left:17px;top:14px;width:40px;height:40px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(145deg,#efd18a,var(--nat-gold));color:#071a2c;font-size:.68rem;font-weight:1000;border:2px solid rgba(255,255,255,.68);box-shadow:0 7px 18px rgba(0,0,0,.2)}.nat-head:after{content:'online';position:absolute;right:16px;top:15px;padding:3px 7px;border-radius:999px;background:rgba(66,211,146,.12);color:#8af0bd;font-size:.64rem;font-weight:800;text-transform:uppercase;letter-spacing:.08em}.nat-head strong,.nat-head small{display:block}.nat-head strong{font-family:'Cormorant Garamond',Georgia,serif;font-size:1.38rem;line-height:1.05;letter-spacing:.02em}.nat-head small{margin-top:3px;color:rgba(255,255,255,.72);font-size:.72rem}.nat-messages{height:315px;overflow-y:auto;padding:15px;background:linear-gradient(180deg,#f8fafc,#f3f6f9);scroll-behavior:smooth}.nat-message-wrap{display:flex;flex-direction:column;align-items:flex-start;margin:9px 0;animation:natMessage .22s ease-out}.nat-message-wrap.user{align-items:flex-end}.nat-message{max-width:88%;padding:11px 13px;border-radius:15px;line-height:1.46;font-size:.9rem;box-shadow:0 4px 12px rgba(5,24,43,.04)}.nat-message.user{margin-left:auto;background:linear-gradient(135deg,var(--nat-navy2),var(--nat-navy));color:#fff;border-bottom-right-radius:4px}.nat-message.assistant{background:#fff;border:1px solid #dfe5eb;border-bottom-left-radius:4px}.nat-quick{display:flex;flex-wrap:wrap;gap:7px;margin-top:9px;max-width:100%}.nat-quick button,.nat-action{border:1px solid rgba(9,39,71,.17);background:#fff;color:#092747;border-radius:999px;padding:7px 11px;font:inherit;font-size:.75rem;font-weight:800;cursor:pointer;text-decoration:none;transition:all .2s ease}.nat-quick button:hover,.nat-action:hover{border-color:var(--nat-gold);background:#fffaf0;transform:translateY(-1px)}.nat-action{display:inline-block;margin-top:9px;background:linear-gradient(145deg,#e5c578,var(--nat-gold));color:#071a2c;border-color:var(--nat-gold);box-shadow:0 7px 18px rgba(180,142,65,.18)}.nat-summary{margin-top:8px;width:min(300px,90%);background:#fff;border:1px solid rgba(9,39,71,.12);border-radius:14px;padding:9px 11px;box-shadow:0 6px 16px rgba(5,24,43,.05)}.nat-summary div{display:flex;justify-content:space-between;gap:14px;padding:4px 0;font-size:.75rem}.nat-summary strong{color:#6b7887}.nat-summary span{text-align:right;color:var(--nat-navy);font-weight:800}.nat-form{display:flex;gap:8px;padding:12px;background:#fff;border-top:1px solid #e7edf2}.nat-form input{flex:1;min-width:0;padding:11px 12px;border:1px solid #ccd4dc;border-radius:12px;outline:none;font:inherit}.nat-form input:focus{border-color:var(--nat-gold);box-shadow:0 0 0 3px rgba(212,179,106,.13)}.nat-form button{border:0;border-radius:12px;padding:10px 14px;background:linear-gradient(145deg,#e4c477,var(--nat-gold));color:#071a2c;font-weight:900;cursor:pointer}.nat-form button:disabled,.nat-form input:disabled{opacity:.6;cursor:wait}.nat-typing{display:flex;gap:4px;align-items:center;width:max-content;margin:8px 0;padding:10px 13px;background:#fff;border:1px solid #dfe5eb;border-radius:15px 15px 15px 4px}.nat-typing span{width:6px;height:6px;border-radius:50%;background:#8a98a8;animation:natDot 1.1s infinite ease-in-out}.nat-typing span:nth-child(2){animation-delay:.14s}.nat-typing span:nth-child(3){animation-delay:.28s}.nat-nudge{position:absolute;right:0;bottom:58px;width:280px;border:1px solid rgba(212,179,106,.45);border-radius:16px;padding:12px 34px 12px 13px;background:#fff;color:var(--nat-ink);box-shadow:0 16px 40px rgba(0,0,0,.2);text-align:left;cursor:pointer;animation:natNudge .28s ease-out}.nat-nudge strong{display:block;color:#9a742c;font-size:.72rem;letter-spacing:.08em}.nat-nudge span{display:block;margin-top:2px;font-size:.82rem;line-height:1.35}.nat-nudge i{position:absolute;right:10px;top:8px;font-style:normal;color:#8190a0;font-size:1rem;padding:2px 5px}.is-busy .nat-toggle:before{animation:natPulse 1.2s infinite}.is-open .nat-toggle{box-shadow:0 10px 28px rgba(0,0,0,.2)}@keyframes natOpen{from{opacity:0;transform:translateY(10px) scale(.97)}to{opacity:1;transform:none}}@keyframes natMessage{from{opacity:0;transform:translateY(5px)}to{opacity:1;transform:none}}@keyframes natDot{0%,70%,100%{transform:translateY(0);opacity:.45}35%{transform:translateY(-4px);opacity:1}}@keyframes natNudge{from{opacity:0;transform:translateY(8px) scale(.98)}to{opacity:1;transform:none}}@keyframes natPulse{0%,100%{box-shadow:0 0 0 5px rgba(212,179,106,.08)}50%{box-shadow:0 0 0 9px rgba(212,179,106,.13)}}@media(max-width:600px){#natAssistant{right:12px;bottom:82px}.nat-panel{width:min(374px,calc(100vw - 24px));border-radius:20px}.nat-messages{height:min(330px,46vh)}.nat-nudge{width:min(286px,calc(100vw - 32px))}.nat-toggle{padding-right:16px}}@media(prefers-reduced-motion:reduce){.nat-panel,.nat-message-wrap,.nat-nudge,.nat-typing span,.is-busy .nat-toggle:before{animation:none!important}.nat-toggle,.nat-quick button,.nat-action{transition:none!important}}

/* NAT v5 — identidade oficial, movimento sutil e acessibilidade */
.nat-head{padding-left:84px;min-height:88px}
.nat-head:before{display:none}
.nat-avatar{position:absolute;left:14px;top:14px;width:58px;height:58px;border-radius:18px;overflow:hidden;border:2px solid rgba(229,197,120,.82);box-shadow:0 9px 24px rgba(0,0,0,.28);background:#09182a;animation:natAvatarFloat 4.8s ease-in-out infinite}
.nat-avatar:after{content:'';position:absolute;inset:-35% -70%;background:linear-gradient(110deg,transparent 42%,rgba(255,255,255,.16) 50%,transparent 58%);transform:translateX(-60%);animation:natAvatarShine 7s ease-in-out infinite}
.nat-avatar img{display:block;width:100%;height:100%;object-fit:cover;object-position:center 30%;transform:scale(1.04);transition:transform .45s ease}
.nat-head:hover .nat-avatar img{transform:scale(1.09)}
.nat-privacy-note{display:block!important;margin-top:6px!important;color:rgba(255,255,255,.56)!important;font-size:.62rem!important;letter-spacing:.01em;max-width:250px}
.nat-toggle{display:flex;align-items:center;gap:10px;padding:7px 17px 7px 7px;min-height:54px}
.nat-toggle:before{display:none}
.nat-toggle:after{left:42px;top:7px;z-index:2}
.nat-toggle img{width:40px;height:40px;border-radius:50%;object-fit:cover;object-position:center 28%;border:2px solid rgba(229,197,120,.78);box-shadow:0 0 0 4px rgba(212,179,106,.09);animation:natAvatarFloat 4.8s ease-in-out infinite}
.is-busy .nat-toggle img{animation:natAvatarPulse 1.1s ease-in-out infinite}
.nat-message-wrap.assistant{padding-left:2px}
.nat-message-wrap.assistant .nat-message{position:relative}
.nat-message-wrap.assistant .nat-message:before{content:'';position:absolute;left:-7px;bottom:5px;width:12px;height:12px;background:#fff;border-left:1px solid #dfe5eb;border-bottom:1px solid #dfe5eb;transform:rotate(45deg)}
.nat-panel{backdrop-filter:saturate(1.05)}
.nat-form button{min-width:76px}
.nat-quick button:focus-visible,.nat-action:focus-visible,.nat-toggle:focus-visible,.nat-form input:focus-visible,.nat-form button:focus-visible,.nat-nudge:focus-visible{outline:3px solid rgba(212,179,106,.42);outline-offset:3px}
@keyframes natAvatarFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-2px)}}
@keyframes natAvatarShine{0%,55%,100%{transform:translateX(-70%)}68%{transform:translateX(75%)}}
@keyframes natAvatarPulse{0%,100%{transform:scale(1);box-shadow:0 0 0 4px rgba(212,179,106,.09)}50%{transform:scale(1.035);box-shadow:0 0 0 8px rgba(212,179,106,.12)}}
@media(max-width:600px){.nat-head{padding-left:78px}.nat-avatar{width:52px;height:52px}.nat-privacy-note{max-width:220px}.nat-toggle{max-width:calc(100vw - 24px)}}
@media(prefers-reduced-motion:reduce){.nat-avatar,.nat-avatar:after,.nat-toggle img,.is-busy .nat-toggle img{animation:none!important}.nat-head:hover .nat-avatar img{transform:scale(1.04)}}