*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--verde-petroleo: #489999;--verde-turquesa: #6ABEA9;--laranja: #EC6D1D;--verde-petrolotec: #104444;--v50: #F1FCFA;--v100: #CEF9EE;--v200: #9DF2DF;--v300: #63E5CB;--v400: #33CEB4;--v500: #1AB29B;--v600: #128F7F;--v700: #137267;--v800: #145B53;--v900: #12403B;--v950: #062D2A;--c50: #FAFAFA;--c100: #F2F2F0;--c200: #E4E4E0;--c300: #C8C8C2;--c400: #ABABA4;--c500: #888882;--c600: #636360;--c700: #424240;--c800: #2A2A28;--c900: #181816;--c950: #0D0D0C;--font: "DM Sans", sans-serif;--mono: "DM Mono", monospace}html,body,#root{height:100%}body{font-family:var(--font);background:var(--c100);color:var(--c800)}#root{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:24px}.chat-shell{width:100%;max-width:420px;height:min(680px,100vh - 48px);background:#fff;border-radius:20px;box-shadow:0 20px 60px #1044442e;display:flex;flex-direction:column;overflow:hidden}.chat-header{background:var(--verde-petrolotec);padding:18px 20px;display:flex;align-items:center;gap:12px;position:relative;overflow:hidden;flex-shrink:0}.chat-header:before{content:"";position:absolute;top:-60px;right:-40px;width:160px;height:160px;border-radius:50%;background:var(--v600);opacity:.25}.chat-header-avatar{width:38px;height:38px;border-radius:50%;background:var(--laranja);display:flex;align-items:center;justify-content:center;font-weight:600;color:#fff;font-size:14px;flex-shrink:0;position:relative;z-index:1}.chat-header-text{position:relative;z-index:1;min-width:0}.chat-header-text h1{font-size:15px;font-weight:600;color:#fff;letter-spacing:-.01em}.chat-header-text p{font-size:12px;color:var(--v300);font-weight:300;display:flex;align-items:center;gap:6px;margin-top:2px}.status-dot{width:6px;height:6px;border-radius:50%;background:var(--verde-turquesa);flex-shrink:0}.chat-messages{flex:1;overflow-y:auto;padding:20px 16px;display:flex;flex-direction:column;gap:14px;background:var(--c50)}.msg-row{display:flex;gap:8px;max-width:88%;animation:fadeIn .25s ease}@keyframes fadeIn{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}.msg-row.bot{align-self:flex-start}.msg-row.user{align-self:flex-end;flex-direction:row-reverse}.msg-avatar{width:26px;height:26px;border-radius:50%;background:var(--laranja);color:#fff;font-size:11px;font-weight:600;display:flex;align-items:center;justify-content:center;flex-shrink:0;margin-top:2px}.msg-bubble{padding:10px 14px;border-radius:14px;font-size:13.5px;line-height:1.5;word-wrap:break-word;white-space:pre-wrap}.msg-row.bot .msg-bubble{background:var(--c200);color:var(--c800);border-bottom-left-radius:4px}.msg-row.user .msg-bubble{background:var(--verde-turquesa);color:var(--verde-petrolotec);border-bottom-right-radius:4px}.msg-bubble a{color:var(--v700);font-weight:500;text-decoration:underline}.msg-row.user .msg-bubble a{color:var(--v900)}.msg-bubble strong{font-weight:600}.typing-bubble{display:flex;align-items:center;gap:4px;padding:12px 14px}.typing-dot{width:6px;height:6px;border-radius:50%;background:var(--c500);animation:bounce 1.2s infinite ease-in-out}.typing-dot:nth-child(2){animation-delay:.15s}.typing-dot:nth-child(3){animation-delay:.3s}@keyframes bounce{0%,60%,to{transform:translateY(0);opacity:.5}30%{transform:translateY(-4px);opacity:1}}.chat-input-bar{display:flex;align-items:flex-end;gap:8px;padding:12px 14px;background:#fff;border-top:1px solid var(--c200);flex-shrink:0}.chat-input-bar textarea{flex:1;resize:none;border:1px solid var(--c300);border-radius:12px;padding:10px 14px;font-family:var(--font);font-size:13.5px;color:var(--c800);background:var(--c50);max-height:96px;line-height:1.4;outline:none;transition:border-color .15s}.chat-input-bar textarea:focus{border-color:var(--verde-turquesa)}.chat-input-bar textarea::placeholder{color:var(--c400)}.send-btn{width:38px;height:38px;border-radius:50%;border:none;background:var(--verde-turquesa);color:var(--verde-petrolotec);display:flex;align-items:center;justify-content:center;cursor:pointer;flex-shrink:0;transition:opacity .15s,transform .1s}.send-btn:hover:not(:disabled){opacity:.88}.send-btn:active:not(:disabled){transform:scale(.93)}.send-btn:disabled{background:var(--c300);color:var(--c500);cursor:not-allowed}.chat-footer-note{text-align:center;font-size:10px;color:var(--c400);padding:6px 0 10px;background:#fff}