body {
    font-family: 'Arial', sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f5f5f5;
    color: #333;
}

.support-btn {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: #15779e;
    color: white;
    border: none;
    border-radius: 50%;
    width: 60px;
    height: 60px;
    font-size: 24px;
    cursor: pointer;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.support-btn:hover {
    background-color: #15779e;
}

.chat-container {
    display: none;
    position: fixed;
    bottom: 90px;
    right: 20px;
    width: 350px;
    height: 500px;
    background-color: white;
    border-radius: 10px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
    flex-direction: column;
    z-index: 999;
}

.chat-header {
    background-color: #15779e;
    color: white;
    padding: 15px;
    border-top-left-radius: 10px;
    border-top-right-radius: 10px;
    font-weight: bold;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.close-btn {
    background: none;
    border: none;
    color: white;
    font-size: 20px;
    cursor: pointer;
}

.chat-messages {
    flex: 1;
    padding: 15px;
    overflow-y: auto;
    background-color: #f9f9f9;
}

/* ✅ تنسيق الرسالة الأساسي */
.message {
    display: flex;
    align-items: flex-start;
    margin: 10px 0;
}

.student-message {
    flex-direction: row;
    text-align: left;
}

.admin-message {
    flex-direction: row-reverse;
    text-align: right;
}

/* ✅ الصورة الرمزية */
.message-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    overflow: hidden;
    margin: 0 10px;
    flex-shrink: 0;
    background-color: #ddd;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
}

.message-avatar-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    border-radius: 50%;
}

/* ✅ محتوى الرسالة */
.message-content {
    max-width: 80%;
    padding: 10px 15px;
    border-radius: 10px;
    word-wrap: break-word;
    font-size: 14px;
}

/* ✅ فقاعات مختلفة لكل جهة */
.student-message .message-content {
    background-color: #e5e5ea;
    color: black;
    border-bottom-left-radius: 0;
}

.admin-message .message-content {
    background-color: #15779e;
    color: white;
    border-bottom-right-radius: 0;
}

/* ✅ عنوان المرسل */
.message-header {
    font-weight: bold;
    margin-bottom: 5px;
}

/* ✅ الإدخال */
.chat-input {
    padding: 15px;
    border-top: 1px solid #ddd;
    background-color: white;
    border-bottom-left-radius: 10px;
    border-bottom-right-radius: 10px;
}

.instructions {
    font-size: 14px;
    color: #666;
    margin-bottom: 10px;
}

.id-input {
    width: 65%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
    margin-bottom: 10px;
}

.send-btn {
    background-color: #15779e;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    float: left;
}

.send-btn:hover {
    background-color: #15779e;
}

.hidden {
    display: none;
}