* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: #f5f7fa;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

.chat-container {
    width: 100%;
    max-width: 800px;
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
    height: 80vh;
    overflow: hidden;
}

.chat-header {
    background-color: #4a6baf;
    color: white;
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-container {
    display: flex;
    align-items: center;
}

.logo {
    height: 40px;
    margin-right: 10px;
}

.logo-container h1 {
    font-size: 1.5rem;
    font-weight: 600;
}

.status {
    display: flex;
    align-items: center;
    font-size: 0.9rem;
}

.status-dot {
    width: 10px;
    height: 10px;
    background-color: #4caf50;
    border-radius: 50%;
    margin-right: 5px;
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
}

.message {
    margin-bottom: 15px;
    max-width: 80%;
    display: flex;
    flex-direction: column;
}

.user-message {
    align-self: flex-end;
}

.bot-message {
    align-self: flex-start;
}

.message-content {
    padding: 12px 15px;
    border-radius: 18px;
    word-wrap: break-word;
}

.user-message .message-content {
    background-color: #4a6baf;
    color: white;
    border-bottom-right-radius: 5px;
}

.bot-message .message-content {
    background-color: #e9ecef;
    color: #333;
    border-bottom-left-radius: 5px;
}

.message-time {
    font-size: 0.7rem;
    color: #777;
    margin-top: 5px;
    align-self: flex-end;
}

.user-message .message-time {
    margin-right: 5px;
}

.bot-message .message-time {
    margin-left: 5px;
}

.chat-input-container {
    padding: 15px;
    border-top: 1px solid #eee;
}

#chatForm {
    display: flex;
}

#messageInput {
    flex: 1;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 20px;
    outline: none;
    font-size: 1rem;
}

#sendButton {
    background-color: #4a6baf;
    color: white;
    border: none;
    border-radius: 20px;
    padding: 0 20px;
    margin-left: 10px;
    cursor: pointer;
    font-weight: 600;
    transition: background-color 0.3s;
}

#sendButton:hover {
    background-color: #3a5a9f;
}

.register-form {
    padding: 20px;
    border-top: 1px solid #eee;
    background-color: #f9f9f9;
}

.register-form h3 {
    margin-bottom: 15px;
    color: #4a6baf;
}

.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
}

.form-group input {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
    outline: none;
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

.btn-register {
    background-color: #4a6baf;
    color: white;
    border: none;
    border-radius: 5px;
    padding: 10px 20px;
    cursor: pointer;
    font-weight: 600;
}

#cancelRegister {
    background-color: #e9ecef;
    color: #333;
    border: none;
    border-radius: 5px;
    padding: 10px 20px;
    cursor: pointer;
}

/* Responsive */
@media (max-width: 768px) {
    .chat-container {
        height: 90vh;
        border-radius: 0;
    }
    
    .message {
        max-width: 90%;
    }
    
    .logo-container h1 {
        font-size: 1.2rem;
    }
    
    .status {
        display: none;
    }
}

/* --- Modal de registro mejorado --- */
.register-form{
    position:fixed;
    inset:0;
    display:none;
    align-items:center;
    justify-content:center;
    background: rgba(0,0,0,.45);
    z-index: 1000;
}
.register-form .card{
    background:#fff;
    width:min(520px, 92vw);
    border-radius:12px;
    padding:20px;
    position:relative;
    box-shadow: 0 20px 60px rgba(0,0,0,.25);
}
.register-form .close-x{
    position:absolute;
    top:10px; right:12px;
    font-size:20px;
    cursor:pointer;
}
/* Chips opciones */
.options-wrap{
    display:flex;
    flex-wrap:wrap;
    gap:8px;
    margin:10px 0 2px;
}
.option-chip{
    border:1px solid #4a6baf;
    background:transparent;
    padding:6px 10px;
    border-radius:999px;
    cursor:pointer;
}
.option-chip:hover{ background:#e6ecff; }


/* Modal centrado */
.rc-modal{position:fixed;inset:0;display:none;align-items:center;justify-content:center;background:rgba(0,0,0,.45);z-index:1000}
.rc-modal-card{width:min(560px,92vw);background:#fff;border-radius:12px;box-shadow:0 25px 70px rgba(0,0,0,.28);padding:20px;border:1px solid #e7e7e7;position:relative}
.rc-modal-close{position:absolute;right:12px;top:8px;font-size:22px;border:none;background:transparent;cursor:pointer}
.btn{background:#4a6baf;color:#fff;border:none;border-radius:6px;padding:10px 14px;cursor:pointer}
.btn-ghost{background:transparent;border:1px solid #4a6baf;color:#4a6baf}

/* Chips y botones en chat */
.button-bar{display:flex;flex-wrap:wrap;gap:10px;margin:10px 0 6px}
.chat-cta{display:inline-block;text-decoration:none;background:#4a6baf;color:#fff;border:1px solid #4a6baf;border-radius:8px;padding:8px 12px;font-weight:600}
.chat-cta.outline{background:transparent;color:#4a6baf}