body {
    font-family: 'Arial', sans-serif;
    background-color: #f9f9f9;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.chat-container {
    width: 100%;
    max-width: 400px;
    padding: 20px;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.chat-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.form-title {
    font-size: 1.5rem;
    margin-bottom: 10px;
    color: #333;
    text-align: center;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

label {
    font-size: 0.9rem;
    color: #555;
}

input[type="text"] {
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
}

.room-actions {
    display: flex;
    gap: 10px;
    align-items: center;
}

.room-actions input {
    flex: 1;
}

.btn {
    padding: 10px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
}

.join-btn {
    background-color: #007bff;
    color: white;
    transition: background-color 0.3s;
}

.create-btn {
    background-color: #28a745;
    color: white;
    transition: background-color 0.3s;
}

.btn:hover {
    opacity: 0.9;
}

.error-message {
    background-color: #f8d7da;
    color: #842029;
    padding: 10px;
    border-radius: 4px;
    font-size: 0.9rem;
}

.message-box {
    width: 100%;
    max-width: 600px;
    margin: auto;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

h2 {
    text-align: center;
    color: #333;
}

.messages {
    height: 300px;
    overflow-y: auto;
    border: 1px solid #ddd;
    border-radius: 4px;
    padding: 10px;
    background: #f9f9f9;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.message {
    display: flex;
    justify-content: space-between;
    padding: 5px 10px;
    background: #e9ecef;
    border-radius: 4px;
}

.message-content {
    font-size: 1rem;
}

.message-time {
    font-size: 0.8rem;
    color: #6c757d;
}

.inputs {
    display: flex;
    gap: 10px;
}

button {
    padding: 10px 20px;
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
    transition: background-color 0.3s;
}

button:hover {
    background-color: #0056b3;
}