@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;600;700&display=swap');
:root{--vino:#4a1422;--oscuro:#270c13;--oro:#c4a15a;--crema:#f6f2ec;--blanco:#fff;--gris:#6e6870}
*{box-sizing:border-box}body{margin:0;font-family:Poppins,Arial;background:var(--crema);color:#222}
header{min-height:72px;background:var(--oscuro);color:#fff;border-bottom:2px solid var(--oro);display:flex;align-items:center;justify-content:space-between;padding:0 5%}
header a{color:var(--oro);margin-left:16px;text-decoration:none}.container{width:min(1150px,92%);margin:45px auto}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:22px}.card,.login-card,aside,.chat{background:#fff;border:1px solid #e2dad0;border-radius:18px;box-shadow:0 15px 40px #2b10141c;padding:26px}
.avatar{width:58px;height:58px;border-radius:50%;display:grid;place-items:center;background:var(--vino);color:var(--oro);border:2px solid var(--oro);font:30px Georgia}.big{width:82px;height:82px;font-size:42px}
.card h2{margin-bottom:2px}.card h3,aside h3{color:var(--oro);font-size:14px}.card p,aside p{color:var(--gris);line-height:1.6}
.btn,button{background:var(--vino);color:#fff;border:0;border-radius:10px;padding:12px 18px;font-weight:600;text-decoration:none;cursor:pointer}
.login-body{min-height:100vh;display:grid;place-items:center;background:var(--oscuro)}.login-card{width:min(430px,92%);border-top:4px solid var(--oro)}
label{display:block;margin:16px 0 6px}input,textarea{width:100%;padding:13px;border:1px solid #ddd3c8;border-radius:10px;font:inherit}.login-card button{width:100%;margin-top:20px}.error{background:#fde7e7;color:#8d1d1d;padding:10px;border-radius:8px}
.chat-wrap{width:min(1380px,96%);margin:25px auto;display:grid;grid-template-columns:300px 1fr;gap:22px}.chat{padding:0;min-height:700px;display:flex;flex-direction:column;overflow:hidden}
#mensajes{flex:1;overflow:auto;padding:25px;display:flex;flex-direction:column;gap:13px}.msg{max-width:82%;padding:14px;border-radius:14px;white-space:pre-wrap;line-height:1.6}.msg.usuario{align-self:flex-end;background:var(--vino);color:#fff}.msg.ia{align-self:flex-start;background:#f0ebe5}.msg.error{background:#fde7e7;color:#8d1d1d}
#form-chat{border-top:1px solid #e2dad0;padding:18px}.acciones{display:flex;justify-content:space-between;align-items:center;gap:15px;margin-top:10px}.acciones small{color:var(--gris)}
@media(max-width:800px){.chat-wrap{grid-template-columns:1fr}.chat-wrap aside{display:none}.msg{max-width:95%}}
.topbar{
    display:flex;
    justify-content:space-between;
    align-items:center;
}

.brand{
    display:flex;
    align-items:center;
    gap:12px;
    text-decoration:none;
}

.brand img{
    width:26px !important;
    height:26px !important;
    max-width:26px !important;
    max-height:26px !important;
    object-fit:contain;
}

.brand span{
    font-size:22px;
    font-weight:600;
    letter-spacing:1.5px;
}

.brand strong{
    color:#E53935;
}

.brand img{
    width:24px;
    height:24px;
    object-fit:contain;
    filter: drop-shadow(0 0 8px rgba(229,57,53,.65));
    transition:.25s;
}

.brand:hover img{
    transform:scale(1.08);
}