/* Botón flotante */
.assistant-btn {
    position: fixed;
    bottom: 20px;
    left: 20px;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 24px;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(0,0,0,0.3);
    z-index: 10000;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.assistant-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 25px rgba(0,0,0,0.4);
}

/* Modal del chat */
.assistant-modal {
    position: fixed;
    bottom: 90px;
    right: 20px;
    width: 400px;
    height: 500px;
    background: white;
    border-radius: 15px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.2);
    z-index: 10001;
    display: none;
    flex-direction: column;
    overflow: hidden;
    border: 1px solid #e0e0e0;
}

.assistant-modal.open {
    display: flex;
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Header del modal */
.modal-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    margin: 0;
    font-size: 16px;
}

.close-btn {
    background: none;
    border: none;
    color: white;
    font-size: 20px;
    cursor: pointer;
    padding: 0;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.close-btn:hover {
    background: rgba(255,255,255,0.2);
}

/* Área de chat */
.chat-container {
    flex: 1;
    padding: 15px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 10px;
    background: #f8f9fa;
}

.message {
    max-width: 80%;
    padding: 10px 15px;
    border-radius: 18px;
    line-height: 1.4;
    word-wrap: break-word;
}

.user-message {
    align-self: flex-end;
    background: #667eea;
    color: white;
    border-bottom-right-radius: 5px;
}

.assistant-message {
    align-self: flex-start;
    background: white;
    color: #333;
    border: 1px solid #e0e0e0;
    border-bottom-left-radius: 5px;
}

/* Estilos para enlaces en el chat del asistente */
.assistant-message a.chat-link {
    color: #667eea;
    text-decoration: none;
    font-weight: 500;
    border-bottom: 1px solid #667eea;
    padding: 2px 6px;
    border-radius: 4px;
    background: rgba(102, 126, 234, 0.1);
    transition: all 0.3s ease;
    display: inline-block;
    margin: 2px 0;
}

.assistant-message a.chat-link:hover {
    background: #667eea;
    color: white;
    text-decoration: none;
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(102, 126, 234, 0.3);
}

/* Mejorar el formato de listas */
.assistant-message ul {
    margin: 8px 0;
    padding-left: 24px;
    list-style-type: disc;
}

.assistant-message li {
    margin: 6px 0;
    line-height: 1.5;
}

/* Estilos para títulos */
.assistant-message strong {
    color: #2d3748;
    font-weight: 600;
}

.typing-indicator {
    align-self: flex-start;
    background: white;
    padding: 10px 15px;
    border-radius: 18px;
    border: 1px solid #e0e0e0;
    display: none;
}

.typing-dots {
    display: flex;
    gap: 4px;
}

.typing-dots span {
    width: 6px;
    height: 6px;
    background: #999;
    border-radius: 50%;
    animation: typing 1.4s infinite ease-in-out;
}

.typing-dots span:nth-child(1) { animation-delay: -0.32s; }
.typing-dots span:nth-child(2) { animation-delay: -0.16s; }

@keyframes typing {
    0%, 80%, 100% { transform: scale(0); }
    40% { transform: scale(1); }
}

/* Input area */
.input-container {
    padding: 15px;
    border-top: 1px solid #e0e0e0;
    background: white;
}

.input-wrapper {
    display: flex;
    gap: 10px;
}

.chat-input {
    flex: 1;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 25px;
    outline: none;
    font-size: 14px;
}

.chat-input:focus {
    border-color: #667eea;
}

.send-btn {
    background: #667eea;
    color: white;
    border: none;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.3s ease;
}

.send-btn:hover:not(:disabled) {
    background: #5a6fd8;
}

.send-btn:disabled {
    background: #ccc;
    cursor: not-allowed;
}

/* Responsive */
@media (max-width: 480px) {
    .assistant-modal {
        width: calc(100vw - 40px);
        height: 70vh;
        right: 20px;
        left: 20px;
    }
}