#otp-login-container {
    max_width: 400px;
    margin: 0 auto;
    padding: 20px;
    border: 1px solid #ddd;
    border-radius: 5px;
    background: #fff;
}

.otp-form-group {
    margin-bottom: 15px;
}

.otp-form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
}

.otp-form-group input {
    width: 100%;
    padding: 8px;
    border: 1px solid #ccc;
    border-radius: 4px;
}

button#otp-send-code-btn,
button#otp-verify-code-btn {
    width: 100%;
    padding: 10px;
    background: #0073aa;
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
}

button#otp-send-code-btn:hover,
button#otp-verify-code-btn:hover {
    background: #005177;
}

#otp-message {
    margin-bottom: 15px;
    padding: 10px;
    border-radius: 4px;
}

#otp-message.otp-error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

#otp-message.otp-success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.otp-resend {
    text-align: center;
    margin-top: 10px;
}