:root {
    --primary-color: #4a6bff;
    --secondary-color: #f5f7ff;
    --text-color: #333;
    --light-text: #777;
    --white: #fff;
    --shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Vazirmatn', sans-serif;
}

body {
    background-color: #f9f9f9;
}

/* دکمه باز کردن چت */
.chat-toggle-btn {
    position: fixed;
    bottom: 30px;
    left: 30px;
    width: 60px;
    height: 60px;
    background-color: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    box-shadow: var(--shadow);
    z-index: 999;
    transition: var(--transition);
    font-size: 24px;
}

.chat-toggle-btn:hover {
    transform: scale(1.1);
    background-color: #3a5bef;
}

.notification-badge {
    position: absolute;
    top: -5px;
    right: -5px;
    background-color: #ff4757;
    color: white;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 12px;
    font-weight: bold;
}

/* پنل چت */
.chat-container {
    position: fixed;
    bottom: 100px;
    left: 30px;
    width: 350px;
    height: 500px;
    background-color: var(--white);
    border-radius: 15px;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transform: translateY(20px);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 1000;
}

.chat-container.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
}

.chat-header {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-content {
    display: flex;
    align-items: center;
    gap: 10px;
}

.chat-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    overflow: hidden;
}

.chat-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.chat-info h3 {
    font-size: 16px;
    margin-bottom: 3px;
}

.chat-info p {
    font-size: 12px;
    opacity: 0.9;
}

.close-chat {
    background: none;
    border: none;
    color: var(--white);
    font-size: 18px;
    cursor: pointer;
    transition: var(--transition);
}

.close-chat:hover {
    transform: rotate(90deg);
}

.chat-messages {
    flex: 1;
    padding: 15px;
    overflow-y: auto;
    background-color: var(--secondary-color);
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.message {
    max-width: 80%;
    display: flex;
    flex-direction: column;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

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

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

.message-content {
    padding: 10px 15px;
    border-radius: 15px;
    position: relative;
    word-wrap: break-word;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
}

.message.received .message-content {
    background-color: var(--white);
    border-bottom-right-radius: 5px;
}

.message.sent .message-content {
    background-color: var(--primary-color);
    color: var(--white);
    border-bottom-left-radius: 5px;
}

.message-time {
    font-size: 10px;
    color: var(--light-text);
    margin-top: 5px;
    text-align: end;
}

.message.sent .message-time {
    color: rgba(255, 255, 255, 0.7);
}

.chat-input {
    padding: 10px;
    border-top: 1px solid #eee;
    background-color: var(--white);
}

.input-group {
    display: flex;
    align-items: center;
    background-color: #f5f5f5;
    border-radius: 25px;
    padding: 5px 15px;
}

#message-input {
    flex: 1;
    border: none;
    background: transparent;
    padding: 10px;
    outline: none;
    font-size: 14px;
}

.emoji-btn, .send-btn {
    background: none;
    border: none;
    color: var(--light-text);
    cursor: pointer;
    font-size: 18px;
    transition: var(--transition);
}

.send-btn {
    color: var(--primary-color);
}

.emoji-btn:hover, .send-btn:hover {
    transform: scale(1.1);
}

/* اسکرول بار */
.chat-messages::-webkit-scrollbar {
    width: 5px;
}

.chat-messages::-webkit-scrollbar-track {
    background: #f1f1f1;
}

.chat-messages::-webkit-scrollbar-thumb {
    background: #ccc;
    border-radius: 5px;
}

.chat-messages::-webkit-scrollbar-thumb:hover {
    background: #aaa;
}

/* استایل‌های جدید برای افکت تایپ */
.typing-indicator .message-content {
    background-color: transparent !important;
    box-shadow: none !important;
    padding: 8px 15px !important;
}

.typing-dots {
    display: flex;
    align-items: center;
    height: 20px;
}

.typing-dots span {
    width: 8px;
    height: 8px;
    margin: 0 2px;
    background-color: #999;
    border-radius: 50%;
    display: inline-block;
    animation: typingAnimation 1.4s infinite ease-in-out;
}

.typing-dots span:nth-child(1) {
    animation-delay: 0s;
}

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

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

@keyframes typingAnimation {
    0%, 60%, 100% { transform: translateY(0); }
    30% { transform: translateY(-5px); }
}

/* انیمیشن برای پیام‌های دریافتی */
.message.received {
    animation: messageReceived 0.3s ease;
}

@keyframes messageReceived {
    from { 
        opacity: 0;
        transform: translateX(-10px);
    }
    to { 
        opacity: 1;
        transform: translateX(0);
    }
}

/* انیمیشن برای پیام‌های ارسالی */
.message.sent {
    animation: messageSent 0.3s ease;
}

@keyframes messageSent {
    from { 
        opacity: 0;
        transform: translateX(10px);
    }
    to { 
        opacity: 1;
        transform: translateX(0);
    }
}