/* Кнопка AI-консультанта */
.ai-button {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 50px;
    padding: 12px 24px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
    z-index: 1000;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
}

.ai-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.6);
}

/* Модальное окно */
.ai-modal {
    display: none;
    position: fixed;
    bottom: 80px;
    right: 20px;
    width: 400px;
    height: 600px;
    background: white;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    z-index: 1001;
    overflow: hidden;
    animation: slideIn 0.3s ease;
}

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

.ai-modal-content {
    display: flex;
    flex-direction: column;
    height: 100%;
}

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

.ai-header h3 {
    margin: 0;
    font-size: 18px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.ai-close {
    background: none;
    border: none;
    color: white;
    font-size: 24px;
    cursor: pointer;
    padding: 0;
    line-height: 1;
}

/* Сообщения */
.ai-messages {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
    background: #f8f9fa;
}

.ai-message {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
}

.ai-user {
    flex-direction: row-reverse;
}

.ai-avatar {
    width: 35px;
    height: 35px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 14px;
    flex-shrink: 0;
}

.ai-user .ai-avatar {
    background: #667eea;
    color: white;
}

.ai-assistant .ai-avatar {
    background: #28a745;
    color: white;
}

.ai-text {
    max-width: 70%;
    padding: 12px 16px;
    border-radius: 18px;
    line-height: 1.4;
}

.ai-user .ai-text {
    background: #667eea;
    color: white;
    border-bottom-right-radius: 4px;
}

.ai-assistant .ai-text {
    background: white;
    color: #333;
    border: 1px solid #e0e0e0;
    border-bottom-left-radius: 4px;
}

/* Поле ввода */
.ai-input-area {
    display: flex;
    padding: 15px;
    border-top: 1px solid #e0e0e0;
    background: white;
}

#messageInput {
    flex: 1;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 25px;
    font-size: 14px;
    outline: none;
    transition: border 0.3s;
}

#messageInput:focus {
    border-color: #667eea;
}

#sendButton {
    margin-left: 10px;
    background: #667eea;
    color: white;
    border: none;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.3s;
}

#sendButton:hover {
    background: #5a67d8;
}

/* Анимация загрузки */
.ai-typing {
    display: none;
    padding: 10px 20px;
}

.ai-typing.active {
    display: block;
}

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

.typing-dots span {
    width: 8px;
    height: 8px;
    background: #999;
    border-radius: 50%;
    animation: typing 1.4s infinite;
}

.typing-dots span:nth-child(2) { animation-delay: 0.2s; }
.typing-dots span:nth-child(3) { animation-delay: 0.4s; }

@keyframes typing {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

/* Адаптивность */
@media (max-width: 480px) {
    .ai-modal {
        width: calc(100vw - 40px);
        height: 70vh;
        bottom: 70px;
        right: 10px;
        left: 10px;
    }
}