:root{--bg:#0b0d10;--panel:#14181d;--panel-2:#1b2027;--text:#e7e9ea;--muted:#8a9099;--accent:#2f7d4f;--accent-2:#c8102e;--border:#262c34;--radius:14px}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}body,html{margin:0;padding:0;height:100%;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}a{color:var(--accent);text-decoration:none}.center{min-height:100vh;min-height:100dvh;display:flex;align-items:center;justify-content:center;padding:max(24px,env(safe-area-inset-top)) 20px max(24px,env(safe-area-inset-bottom))}.card{width:100%;max-width:420px;background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:28px}.brand{font-size:30px;font-weight:800;letter-spacing:.5px}.brand .dot{color:var(--accent-2)}.muted{font-size:14px}.muted,label{color:var(--muted)}label{display:block;font-size:13px;margin:14px 0 6px}input,textarea{width:100%;padding:12px 13px;border-radius:10px;border:1px solid var(--border);background:var(--panel-2);color:var(--text);font-size:16px;font-family:inherit;outline:none;transition:border-color .15s ease}input:focus,textarea:focus{border-color:var(--accent)}button{margin-top:18px;width:100%;padding:13px;border:0;border-radius:10px;background:var(--accent);color:white;font-weight:700;font-size:16px;cursor:pointer;touch-action:manipulation;transition:transform .06s ease,opacity .15s ease,filter .15s ease}button:active{transform:scale(.97);filter:brightness(1.08)}button:disabled{opacity:.55;cursor:default;transform:none}.err{color:var(--accent-2);font-size:13px;margin-top:12px;min-height:16px}.chat-wrap{display:flex;flex-direction:column;height:100vh;height:100dvh}.chat-head{justify-content:space-between;gap:10px;padding:max(12px,env(safe-area-inset-top)) 16px 12px;border-bottom:1px solid var(--border);background:color-mix(in srgb,var(--panel) 88%,transparent);backdrop-filter:saturate(180%) blur(10px);-webkit-backdrop-filter:saturate(180%) blur(10px);position:-webkit-sticky;position:sticky;top:0;z-index:5}.chat-head,.chat-head .actions{display:flex;align-items:center}.chat-head .actions{gap:12px;min-width:0}.chat-head .email{color:var(--muted);font-size:13px;max-width:38vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chat-head .salir{width:auto;margin:0;padding:8px 14px;font-size:14px;background:var(--panel-2);border:1px solid var(--border)}.chat-log{flex:1 1;overflow-y:auto;-webkit-overflow-scrolling:touch;overscroll-behavior:contain;padding:16px;display:flex;flex-direction:column;gap:12px}.msg{max-width:85%;padding:11px 14px;border-radius:16px;white-space:pre-wrap;word-wrap:break-word;overflow-wrap:anywhere;line-height:1.5;font-size:16px;animation:pop .13s ease-out}.msg.user{align-self:flex-end;background:var(--accent);color:white;border-bottom-right-radius:5px}.msg.bot{align-self:flex-start;background:var(--panel-2);border:1px solid var(--border);border-bottom-left-radius:5px}@keyframes pop{0%{opacity:0;transform:translateY(5px)}to{opacity:1;transform:none}}.typing{display:inline-flex;gap:5px;align-items:center;padding:3px 0}.typing span{width:7px;height:7px;border-radius:50%;background:var(--muted);animation:blink 1.2s ease-in-out infinite}.typing span:nth-child(2){animation-delay:.18s}.typing span:nth-child(3){animation-delay:.36s}@keyframes blink{0%,80%,to{opacity:.25;transform:translateY(0)}40%{opacity:1;transform:translateY(-3px)}}.composer{display:flex;gap:10px;padding:12px 16px max(12px,env(safe-area-inset-bottom));border-top:1px solid var(--border);background:var(--panel);position:-webkit-sticky;position:sticky;bottom:0}.composer input{flex:1 1;margin:0}.composer button{width:auto;margin:0;padding:12px 22px}@media (max-width:480px){.brand{font-size:20px}.chat-head .email{display:none}.msg{max-width:90%}.card{padding:22px}}@media (prefers-reduced-motion:reduce){*,.msg,.typing span{animation:none!important;transition:none!important}}