body {
    margin: 0;
    font-family: "Segoe UI", Arial, sans-serif;
    background: #0b141a;
    color: #e5e7eb;
}

/* HEADER */
.header {
    background: #111b21;
    padding: 14px 20px;
    border-bottom: 1px solid #1f2c33;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* LOGO + BRAND JUNTOS */
.brand-box {
    display: flex;
    align-items: center;
    gap: 10px;
}

/* LOGO */
.logo {
    width: 55px;
    height: 55px;
    object-fit: cover;
    border-radius: 10px;
}

/* TEXTO BRAND */
.brand {
    color: #25d366;
    font-weight: bold;
    font-size: 16px;
    letter-spacing: 0.5px;
}

/* STATUS A LA DERECHA */
.status {
    font-size: 12px;
    color: #a7b1b8;
}

/* CONTAINER PRINCIPAL */
.container {
    display: flex;
    height: calc(100vh - 55px);
}

/* LEFT */
.left {
    width: 50%;
    padding: 50px;
    box-sizing: border-box;
}

.left h1 {
    font-size: 36px;
}

.left p {
    color: #a7b1b8;
    line-height: 1.6;
}

.badge {
    margin-top: 20px;
    display: inline-block;
    padding: 8px 12px;
    border: 1px solid #25d366;
    color: #25d366;
    border-radius: 6px;
    font-size: 12px;
}

/* WHATSAPP */
.wa-box {
    margin-top: 35px;
    text-align: center;
}

.wa-box img {
    width: 65px;
    opacity: 0.85;
}

.wa-btn {
    margin-top: 15px;
    display: inline-block;
    padding: 12px 16px;
    background: #25d366;
    color: #0b141a;
    text-decoration: none;
    border-radius: 8px;
    font-weight: bold;
}

/* CHAT */
.chat {
    width: 50%;
    display: flex;
    flex-direction: column;
    background: #111b21;
    border-left: 1px solid #1f2c33;
}

.messages {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
}

.msg {
    margin-bottom: 10px;
    padding: 10px 12px;
    border-radius: 8px;
    max-width: 80%;
    font-size: 14px;
}

.bot {
    background: #1f2c33;
}

.user {
    background: #005c4b;
    margin-left: auto;
}

.input {
    display: flex;
    padding: 10px;
    border-top: 1px solid #1f2c33;
}

input {
    flex: 1;
    padding: 10px;
    background: #0b141a;
    border: 1px solid #2a3942;
    color: white;
    border-radius: 6px;
}

button {
    margin-left: 10px;
    background: #25d366;
    border: none;
    padding: 10px 14px;
    border-radius: 6px;
    font-weight: bold;
    cursor: pointer;
}

/* RESPONSIVE */
@media(max-width:900px){
    .container{
        flex-direction: column;
    }

    .left, .chat{
        width: 100%;
    }

    .chat{
        height: 60vh;
    }
}